Status: O X-Status: X-Keywords: X-UID: 2 --Apple-Mail=_6EAEDCF6-6AEC-42EF-A9D6-24F02BEDC6FB Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii DIAS THEORETICAL PHYSICS SEMINAR Time: Tuesday, 6th February 2018, 2:30 pm Speaker: Ruth Britto (Trinity College Dublin) Title: A Hopf algebra for Feynman diagrams and integral Abstract: I will present a combinatorial operation on one-loop Feynman = diagrams, described by cutting and pinching edges, that corresponds to = the Hopf-algebraic coaction on the multiple polylogarithms resulting = from their integration. A generalization of this operation, expressed = simply in terms of master integrands paired with master contours, can be = applied directly to larger classes of functions including hypergeometric = functions. I will discuss applications to analyses of discontinuities of = and differential equations for Feynman diagrams. Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 = Burlington Road, Dublin 4 All welcome! &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& title:: DIAS Theoretical Physics Seminar content:: Ruth Britto (Trinity College Dublin) ::A Hopf algebra for Feynman diagrams and integrals date-time:: 6 February 2018 at 2:30 pm location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4. endevent:: --Apple-Mail=_6EAEDCF6-6AEC-42EF-A9D6-24F02BEDC6FB Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii DIAS = THEORETICAL PHYSICS SEMINAR

Time: = Tuesday, 6th February 2018, 2:30 pm

Speaker: Ruth Britto (Trinity College = Dublin)

Title: A Hopf algebra for Feynman = diagrams and integral

Abstract: I will present a = combinatorial operation on one-loop Feynman diagrams, described by = cutting and pinching edges, that corresponds to the Hopf-algebraic = coaction on the multiple polylogarithms resulting from their = integration. A generalization of this operation, expressed simply = in terms of master integrands paired with master contours, can be = applied directly to larger classes of functions including hypergeometric = functions. I will discuss applications to analyses of discontinuities of = and differential equations for Feynman diagrams.

Place: Lecture Room, 1st Floor, School of = Theoretical Physics, DIAS, 10 Burlington Road, Dublin 4

All welcome!

&&&&&&&&&&&=
&&&&&&&&&&&&&&&=
;&&&&&&&&&&&&&&&am=
p;&&&&&&&&&&&&&=

title:: DIAS Theoretical Physics Seminar
content:: Ruth Britto (Trinity College =
Dublin)
::A Hopf algebra =
for Feynman diagrams and integrals
date-time:: =
6 February  2018 at 2:30 pm
location:: School of =
Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

= --Apple-Mail=_6EAEDCF6-6AEC-42EF-A9D6-24F02BEDC6FB-- From owner-mathdep LISTSERV.HEANET.IE Thu Mar 1 14:12:03 2018 Return-Path: Date: Thu, 1 Mar 2018 07:22:41 -0500 Reply-To: Colm Mulcahy Sender: UCD Maths Department Distribution List From: Colm Mulcahy Subject: Maths: The Atlas of Irish Maths -- Westmeath To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 3 --089e0823b868ef6cc0056658eceb Content-Type: text/plain; charset="UTF-8" The Atlas of Irish Maths blog series (bi-monthly) turns to Westmeath for February. http://www.mathsireland.ie/blog/2018_02_cm There are probably many others who should be included here but whose Westmeath connections we have missed, please suggest name/careers to add. Stay warm c Colm Mulcahy ( Spelman College & UCD ) --089e0823b868ef6cc0056658eceb Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

The Atlas of Irish Maths blog series (bi-monthly)= turns to Westmeath for February.

http://www.mathsi= reland.ie/blog/2018_02_cm

T= here are probably many others who should be included here but whose Westmea= th connections we have missed, please suggest name/careers to add.

Stay warm

Col= m Mulcahy ( Spelman College & UCD )=C2=A0=C2=A0

--089e0823b868ef6cc0056658eceb-- From owner-mathdep LISTSERV.HEANET.IE Thu Mar 1 22:55:32 2018 Return-Path: Date: Thu, 1 Mar 2018 22:56:02 +0000 Reply-To: Fabio Deelan Cunden Sender: UCD Maths Department Distribution List From: Fabio Deelan Cunden Subject: maths: UCD Probability Seminar To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 4 --Apple-Mail=_916E59A3-498F-4F44-9D53-1285DA954C01 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii UCD Probability Seminar Speaker: Philippe Biane (Paris) Title: Gog and Magog triangles and the Schutzenberger involution Date: Wednesday, 7th March 2018 Time: 2pm Location: UCD, 125 Science North (JK Lab) Abstract: I will present Gog and Magog triangles which are particular = cases of Gelfand-Tsetlin triangles and which appear in many models of = statistical mechanics. An open problem is to find a bijection between = these classes of objects. I will explain an approach to this problem = based on the Schutzenberger involution. All are welcome. Best wishes, Fabio %%%%%%%%%% Upcoming seminars:=20 https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ = =20= http://www.maths.ucd.ie/~noconnell/seminars1718.html = %%%%%%%%%% title:: UCD Probability Seminar content:: Philippe Biane (Paris) will speak on :: Gog and Magog triangles and the Schutzenberger involution date-time:: Wednesday, 7th March 2018 at 2:00pm location:: UCD, 125 Science North (JK Lab) endevent::= --Apple-Mail=_916E59A3-498F-4F44-9D53-1285DA954C01 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii

UCD Probability Seminar

Speaker: Philippe Biane (Paris)

Title: Gog and Magog triangles and = the Schutzenberger involution

Date: = Wednesday, 7th March 2018

Time: 2pm

Location: UCD, 125 Science North (JK = Lab)

Abstract: I will present Gog and = Magog triangles which are particular cases of Gelfand-Tsetlin triangles = and which appear in many models of statistical mechanics. An open = problem is to find a bijection between these classes of objects. I will = explain an approach to this problem based on the Schutzenberger = involution.

All are = welcome.

Best wishes,
Fabio

%%%%%%%%%%

Upcoming seminars:

https://www.ucd.ie/mathstat/research/seminars/probabilitysemina= rs1718/

http://www.maths.ucd.ie/~noconnell/seminars1718.html

<= div class=3D"">

%%%%%%%%%%

title:: UCD Probability = Seminar
content:: Philippe Biane (Paris) will = speak on
:: Gog and Magog triangles and the = Schutzenberger involution
date-time:: = Wednesday, 7th March 2018 at 2:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::

= --Apple-Mail=_916E59A3-498F-4F44-9D53-1285DA954C01-- From owner-mathdep LISTSERV.HEANET.IE Sat Mar 3 00:30:39 2018 Return-Path: References: <12c84601-6b99-1ef9-1c62-954164e2c516 maths.tcd.ie> X-Forwarded-Message-Id: <12c84601-6b99-1ef9-1c62-954164e2c516 maths.tcd.ie> User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Message-ID: <70279f5d-11ca-8e6f-9392-a56dd5c5e649 maths.tcd.ie> Date: Sat, 3 Mar 2018 00:30:08 +0000 Reply-To: sint maths.tcd.ie Sender: UCD Maths Department Distribution List From: Stefan Sint Subject: maths: Dublin Theoretical Physics Colloquium To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: <12c84601-6b99-1ef9-1c62-954164e2c516 maths.tcd.ie> Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 5 Dublin Theoretical Physics Colloquium Date & Time: Wednesday, 7th March 2018 at 4:00 pm Venue: Synge Lecture Theatre, Hamilton building, Trinity College Dublin Speaker: Aleksi Kurkela (CERN) Title: What do neutron stars teach us about QCD? Abstract: The structure of neutron stars is determined by a competition between gravity and the pressure of strong interactions, and as such neutron stars provide a unique macroscopic laboratory for QCD. The progress in the observational side is very fast: masses of over 30 neutron stars have been measured precisely, and the estimates of radii are getting increasingly accurate. The recent detection of gravitational waves originating from a merger of two neutron stars has opened a completely new window to neutron star structure. In my talk, I will describe how we can use first principles calculations in QCD to gain understanding of the structure of neutron stars, and how the astrophysical observations of neutron stars can help us understand the properties of QCD in conditions where no first principles calculations are available. All are welcome! ===================== Future speakers: 21st March: Pietro Longhi ===================== https://docs.google.com/document/d/19tE1zcbMU8fkHQR_58icn0vjnE03by1SINCFAT3E5ao/edit?usp=sharing title:: Dublin Theoretical Physics Colloquium content:: Aleksi Kurkela (CERN) will speak on :: What do neutron stars teach us about QCD? date-time:: Wednesday the 7th of March at 16:00pm location:: Synge Lecture Theatre, School of Mathematics, Trinity College Dublin endevent:: - ------------------------- Stefan Sint School of Mathematics Trinity College Dublin Dublin 2 Ireland phone: +353 896 8559 email: sint maths.tcd.ie ------------------------- From owner-mathdep LISTSERV.HEANET.IE Mon Mar 5 10:13:58 2018 Return-Path: References: ,,,,,,,,,,,,,, Accept-Language: en-IE, en-US Content-Language: en-IE X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [143.239.76.11] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DB3PR02MB0457;7:6NPJd3MvimWoATlzEJ3VHwEKYlBeJhCbBWUa9eVTflM4D2wXsdxnN4gC9HOq6PPZ9ZS2hn7Xq8AXpvXfKLEYpyX0V+m24MpSbBGGQ2zbVmAUE0qcw3HvaGeMGUnawfzxdapUnHF50LvZTWL1YggJRzAJtpZEwJY7qwB7SLa8ON3EkJB/vmOfKUgPqq5pVAk+3q/crMbJb5fLFZQk6bewxocR/4v/Ekvs2QjDErqSBkoPgMGmjsPk7kNV2TS8izsE x-ms-exchange-antispam-srfa-diagnostics: SSOS; x-ms-office365-filtering-correlation-id: ec2a8bff-13be-4dea-96fe-08d58281c696 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(8989060)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(8990040)(2017052603307)(7153060)(7193020);SRVR:DB3PR02MB0457; x-ms-traffictypediagnostic: DB3PR02MB0457: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(171593684265217); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040501)(2401047)(2017080701011)(8121501046)(5005006)(93006095)(93001095)(10201501046)(3231220)(944501244)(52105095)(3002001)(6041288)(20161123564045)(20161123562045)(20161123560045)(201703131423095)(201702281529075)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123558120)(6072148)(201708071742011);SRVR:DB3PR02MB0457;BCL:0;PCL:0;RULEID:;SRVR:DB3PR02MB0457; x-forefront-prvs: 06022AA85F x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(39860400002)(346002)(39380400002)(376002)(366004)(396003)(199004)(189003)(2351001)(76176011)(86362001)(99286004)(106356001)(7696005)(74482002)(7736002)(97736004)(2900100001)(316002)(786003)(26005)(186003)(2501003)(74316002)(5250100002)(19627405001)(5660300001)(33656002)(55016002)(9686003)(54896002)(236005)(6306002)(5640700003)(6436002)(3846002)(6116002)(53946003)(68736007)(66066001)(16119065003)(53936002)(3660700001)(53376002)(3280700002)(81156014)(8676002)(81166006)(478600001)(93886005)(413944005)(25786009)(14454004)(105586002)(8936002)(6506007)(102836004)(2950100002)(6606003)(6916009)(2906002)(606006);DIR:OUT;SFP:1101;SCL:1;SRVR:DB3PR02MB0457;H:DB3PR02MB0281.eurprd02.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;A:0;MX:1;LANG:en; received-spf: None (protection.outlook.com: ucc.ie does not designate permitted sender hosts) x-microsoft-antispam-message-info: kqqllqaG40VcSWi9nMy32YOdBDWh5NQ4u40d80VFuJvQbsIcgPohPUCnh887g5u8vsENHkJ3sVIiIQ2zCYI9CYGjSyzwk3X9LHIz5zpROsppR/H44NHAlMRytz4+1rDZhHz2ZVCF2GDHHYu3yL+6B1wci5np1RGqQLjU11fY6PaeZnFyCyb8EE0mGFgENc9XzVU/+iVIV+REpGMNPZjHNbgjUFoGdn3ZD2DA8m54lFbitQq6bG8tZ1SARxJ80QW4pAVlVa6EhNrc3/chkIF7bfZOnmI7tkMrr7DuCzd8xsuNYgJ5r5XLhGMddFpRtjtFcMiAu+pOGpAIB1QdczIsJA== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: multipart/alternative; boundary="_000_DB3PR02MB0281CFCD8277523222754CEA8FDA0DB3PR02MB0281eurp_" MIME-Version: 1.0 X-OriginatorOrg: ucc.ie X-MS-Exchange-CrossTenant-Network-Message-Id: ec2a8bff-13be-4dea-96fe-08d58281c696 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Mar 2018 10:13:43.5693 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46fe5ca5-866f-4e42-92e9-ed8786245545 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR02MB0457 Message-ID: Date: Mon, 5 Mar 2018 10:13:43 +0000 Reply-To: "Henry, David" Sender: UCD Maths Department Distribution List From: "Henry, David" Subject: maths: UCC Applied Mathematics Seminar, Thursday 8 March To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 6 --_000_DB3PR02MB0281CFCD8277523222754CEA8FDA0DB3PR02MB0281eurp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear Colleagues, All are welcome at the following seminar: UCC Applied Mathematics Seminar Speaker: Peter Lynch (UCD) Time and location: 12pm, Thursday 8 March, WGB G02 Title: Numerical Weather Prediction: A Laplace Transform Scheme for Integra= tion of the Forecast Equations Abstract: The development of computer models for weather forecasting and cl= imate prediction is one of the great scientific triumphs of the twentieth c= entury. Today, numerical weather prediction plays a central and essential = role in operational weather forecasting. Forecasts now have accuracy at ran= ges beyond a week. The improvement in forecasting skill over the past century has been somethi= ng of a quiet revolution. There have been major advances on several fronts= : enhancements in model resolution, better numerical schemes, more realisti= c representation of physical processes, new observational data from satelli= tes and more sophisticated methods of determining the initial conditions. In this talk I will review developments, from the pre-history of computer f= orecasting around 1900, through the first computer forecast in 1950 to the = establishment of the European Centre for Medium-Range Weather Forecasts. I will also describe recent results using a new integration scheme based on= the Laplace transform. This method will be shown to yield results superior= to the semi-implicit scheme, which is currently used in the majority of op= erational forecasting models. **************************** Lines for mathdep calendar: title:: UCC Applied Maths Seminar date-time:: Thursday 8 March AT 12pm location:: WGB G02 content:: Peter Lynch :: (UCD) :: presents a talk entitled :: "Numerical Weather Prediction: A Laplace Transform Scheme for Integratio= n of the Forecast Equations" endevent:: _____________________ Dr. David Henry Lecturer in Applied Mathematics School of Mathematical Sciences University College Cork Ireland +353-21 420 5861 --_000_DB3PR02MB0281CFCD8277523222754CEA8FDA0DB3PR02MB0281eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Dear Colleagues,

All are welcome at the following seminar:

UCC Applied Mathematics Seminar

Speaker: Peter Lynch (UCD)

Time and location: 12pm, Thursday 8 March, WGB G02

Title: = Numerical= Weather Prediction: A Laplace Transform Scheme for Integration of the Fore= cast Equations

Abstract: The development of computer models for weather forecasting= and climate prediction is one of the great scientific triumphs of the twen= tieth century. Today, numerical weather prediction plays a central an= d essential role in operational weather forecasting. Forecasts now have accuracy at ranges beyond a week.

The improvement in forecasting skill over the past century has been somethi= ng of a quiet revolution. There have been major advances on several f= ronts: enhancements in model resolution, better numerical schemes, more rea= listic representation of physical processes, new observational data from satellites and more sophisticated methods of d= etermining the initial conditions.

In this talk I will review developments, from the pre-history of computer f= orecasting around 1900, through the first computer forecast in 1950 to the = establishment of the European Centre for Medium-Range Weather Forecasts.
I will also describe recent results using a new integration scheme based on= the Laplace transform. This method will be shown to yield results superior= to the semi-implicit scheme, which is currently used in the majority of op= erational forecasting models.

=
****************************

<= span style=3D"font-size:16px">Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 8 March AT 12pm
location:: WGB G02
content:: Peter Lynch<= /span>

:: (UCD)

<= span style=3D"font-size:10pt"><= /span>= = = = = <= /span><= span style=3D"font-size:10pt"><= /font><= span style=3D"font-size:10pt">= = = <= span style=3D"font-size:10pt"><= /font><= span style=3D"font-size:10pt">= = = <= span style=3D"font-size:10pt"><= /font><= span style=3D"font-size:10pt">= = = <= span style=3D"font-size:10pt"><= /span><= span style=3D"font-size:16px"><= font size=3D"2" face=3D"Times New Roman">:: presents a talk entitled
:: "<= /font><= span>Numerical Weather Prediction: A Laplace Transform Scheme for Integration of the Fore= cast Equations"

<= span style=3D"font-size:10pt">ende= vent::

<= /font>

_____________________

Dr. David Henry
Lecturer in Applied Mathematics
School of Mathematical Sciences
University College Cork
Ireland

+353-21 420 5861

--_000_DB3PR02MB0281CFCD8277523222754CEA8FDA0DB3PR02MB0281eurp_-- From owner-mathdep LISTSERV.HEANET.IE Mon Mar 5 11:05:04 2018 Return-Path: Date: Mon, 5 Mar 2018 11:02:14 +0000 Reply-To: Thomas Huettemann Sender: UCD Maths Department Distribution List From: Thomas Huettemann Subject: maths: British and Irish Geometry Meeting in Belfast To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by maths.ucd.ie id w25B4vS6017524 Status: O X-Status: X-Keywords: X-UID: 7 The British and Irish Geometry Meeting (BI-GeM) will take place on 1st and 2nd of June 2018 at Queen's University Belfast. The list of speakers includes: Barbara Baumeister, Universität Bielefeld (Germany); Jürgen Berndt, University College London (UK); Tom Brady, Dublin City University (Ireland); John Burns, National University of Ireland in Galway (Ireland); Lynn Heller, Universität Hannover (Germany); Jarek Kedra, University of Aberdeen (UK); Mary Rees, University of Liverpool (UK). More information (schedule, travel information, registration) will appear in due course on the conference website: http://web.am.qub.ac.uk/wp/msrc/conferences/bi-gem2018/ The organisers, Thomas Huettemann and Brian McMaster -- Dr. Thomas Huettemann Mathematical Sciences Research Centre School of Mathematics and Physics Queen's University Belfast Belfast BT7 1NN Northern Ireland, UK Phone: +44 (0) 28 9097 1940 Fax: +44 (0) 28 9097 1541 web: http://www.qub.ac.uk/puremaths/Staff/Thomas Huettemann/index.html From owner-mathdep LISTSERV.HEANET.IE Mon Mar 5 11:08:37 2018 Return-Path: Date: Mon, 5 Mar 2018 11:08:34 +0000 Reply-To: Thomas Huettemann Sender: UCD Maths Department Distribution List From: Thomas Huettemann Subject: maths: calendar entry for the British and Irish Geometry Meeting 2018 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 8 title:: BI-GeM 2018 content:: British and Irish Geometry Meeting 2018 :: (web page: http://web.am.qub.ac.uk/wp/msrc/conferences/bi-gem2018/) date-time:: 01 June 2018 location:: Queen's University Belfast noemail:: endevent:: noemail:: title:: BI-GeM 2018 content:: British and Irish Geometry Meeting 2018 :: (web page: http://web.am.qub.ac.uk/wp/msrc/conferences/bi-gem2018/) date-time:: 02 June 2018 location:: Queen's University Belfast noemail:: endevent:: noemail:: From owner-mathdep LISTSERV.HEANET.IE Mon Mar 5 16:51:39 2018 Return-Path: Date: Mon, 5 Mar 2018 16:51:20 +0000 Reply-To: "Richard M. Timoney" Sender: UCD Maths Department Distribution List From: "Richard M. Timoney" Subject: maths: Analysis seminar this week 6/3 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 9 ANALYSIS SEMINAR Tuesday 6th March at 3:00pm (place: UCD Science North 125 ) Speaker: J. Giacomoni (Pau, France) Title: Diaz Saa Inequality for $p(x)$-laplacian and applications Abstract In this talk, I will present a recent work with P. Takac. It concerns a new extension of the well-known inequality by Diaz-Saa which in our case, involves an anisotropic operator, such as $p(x)$-Laplacian. Our present extension of this inequality enables us to establish several new results on the uniqueness of solutions, comparison principles and stabilization for some anisotropic quasilinear elliptic and parabolic equations. ======================== Tuesday 13th March at 3:00pm (place: UCD Science North 125 ) Speaker: S. Gardiner Title: Universal Fourier and Taylor series ______________________________ C. Boyd , R. Timoney . From owner-mathdep LISTSERV.HEANET.IE Mon Mar 5 17:55:55 2018 Return-Path: References: X-Forwarded-Message-Id: User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="------------DFAAC4CF2E1F6DF704EFA746" Content-Language: en-US Message-ID: <9615470a-370a-cad1-5186-79610ebb64bf dcu.ie> Date: Mon, 5 Mar 2018 17:55:46 +0000 Reply-To: John Regan Sender: UCD Maths Department Distribution List From: John Regan Subject: maths: CfAR Seminar, Wednesday 7th March 15.00. To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 10 This is a multi-part message in MIME format. --------------DFAAC4CF2E1F6DF704EFA746 Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: quoted-printable Centre for Astrophysics & Relativity www.cfar.ie Speaker: *Dr. Eleni Kontou, University of York* Title:***Singularity theorems, energy conditions and quantum inequalities* ** ** Abstract: // //Singularities, boundary points of spacetime beyond which no extension=20 is possible, continue to intrigue both mathematicians and physicists=20 since they are places where our current understanding of physical law=20 breaks down. The question whether they exist in physical situations is=20 still an open one. Fifty years ago, Hawking and Penrose developed the=20 first general, model independent, singularity theorems. These theorems=20 showed that singularities have to exist in any spacetime that satisfies=20 certain properties, some of which are mild assumptions but others,=20 called energy conditions, depend on matter content and are more=20 problematic. For both classical and quantum fields, violations of these=20 conditions can be observed in some of the simplest of cases. Focusing on=20 the strong energy condition, I will present an effort to develop=20 theorems with weaker restrictions, namely energy conditions averaged=20 over an entire geodesic and quantum inequalities; weighted local=20 averages of energy densities. / ///*/ Date: Wednesday 7th /March//**//**/ 1/**/5.00. Tea/Coffee will be=20 served in HG23 from 14.45. /*/ /Location: Lonsdale Building (X Building) Room HG23 https://www.dcu.ie/info/campus.shtml Cheers, John --=20 John Regan Marie Sklodowska-Curie Fellow Centre for Astrophysics & Relativity School of Mathematical Sciences Dublin City University www.johnregan.org --=20 *S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s= eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3= =A1id ag an seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuillea= dh a l=C3=A9amh anseo. = This e-mail and any files transmitted with it are confidential and are inte= nded solely for use by the addressee. Read more here. * --=20 =20 =20 =20 --------------DFAAC4CF2E1F6DF704EFA746 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Centre for Astrophysics & Relativity

www.cfar.ie

Speaker: Dr. Eleni Kontou, University of York

Title: Singularity theorems, energy conditions and quantum inequalities

Abstract:
Singularities, boundary points of spacetime beyond which no extension is possible, continue to intrigue both mathematicians and physicists since they are places where our current understanding of physical law breaks down. The question whether they exist in physical situations is still an open one. Fifty years ago, Hawking and Penrose developed the first general, model independent, singularity theorems. These theorems showed that singularities have to exist in any spacetime that satisfies certain properties, some of which are mild assumptions but others, called energy conditions, depend on matter content and are more problematic. For both classical and quantum fields, violations of these conditions can be observed in some of the simplest of cases. Focusing on the strong energy condition, I will present an effort to develop theorems with weaker restrictions, namely energy conditions averaged over an entire geodesic and quantum inequalities; weighted local averages of energy densities. =

Date: Wednesday 7th March 15.00. Tea/Coffee will be served in HG23 from 14.45.

Location: Lonsdale Building (X Building) Room HG23
https://www.dcu.ie/info/campus.shtml=

Cheers,
John

--=20
John Regan

Marie Sklodowska-Curie Fellow
Centre for Astrophysics & Relativity
School of Mathematical Sciences
Dublin City University
www.johnregan.org

S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.

--------------DFAAC4CF2E1F6DF704EFA746--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  6 06:48:42 2018
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Date:         Tue, 6 Mar 2018 06:48:15 +0000
Reply-To:     Marina Krstic Marinkovic 
Sender:       UCD Maths Department Distribution List 
From:         Marina Krstic Marinkovic 
Subject: maths: Computational Applied Mathematics Seminar seminar, 6. March at 2pm (TODAY)
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Dear Colleagues,

This email is to announce the next seminar of 2018 in the Trinity College
Computational Applied Mathematics Seminars, which will take place on
Tuesday, 6. March at 2pm.

All are welcome.  Details of the seminar follow (please *note the new
location*).

################################################

Speaker: Isabel Campos (IFCA, IFT)
Time: Tuesday, 6. March at 2pm
Location: Viz Room (201), 2nd floor, Lloyd Bld., Trinity College Dublin

Title: Scientific computing through Virtualization Technologies

################################################

Best wishes,

Marina

-- 
Marina Krstic Marinkovic                                  Tel(mobile)   +353
83882 1110
Assistant Prof.,School of Mathematics             Tel(office)     +353 1
896 4598 <+353%201%20896%204598>
Trinity College , Dublin 2, Ireland
  Fax +353-1-896 2282 <+353%201%20896%202282>
Lloyd Building, Room 244                                e-mail m
marina maths.tcd.ie

--94eb2c0eee92c03cfc0566b8d3c8
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear Colleagues,

This email is to announce the next seminar of 2018 in the =
Trinity College Computational Applied Mathematics Seminars, which will take=
 place on Tuesday, 6. March at=C2=A02pm.

All are welc=
ome.=C2=A0 Details of the seminar follow (please=C2=A0<=
span style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12=
.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:norm=
al;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;t=
ext-transform:none;white-space:normal;word-spacing:0px;text-decoration-styl=
e:initial;text-decoration-color:initial;background-color:rgb(255,255,255);f=
loat:none;display:inline">note the new location).

############################=
####################

Speaker: Isabel Campos (=
IFCA, IFT)
Time: Tuesday, 6. March at 2pm
Location:=C2=A0Viz Room (201),=C2=A02nd floor,=C2=A0Lloyd B=
ld., Trinity College Dublin

Title:=C2=A0Scientific computing through Virtualization Technolo=
gies

################################################

Best wishes,

Marina

-- 
Marina Krstic Marinkovic=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
=C2=A0Tel(mobile)=C2=A0=C2=A0=C2=A0+353 83882 1110
Assistant Prof.,School of Mathematics=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0Tel(office)=C2=A0 =C2=A0 =C2=A0+353 1 896 4598
T=
rinity College,=C2=A0Dublin 2, =
Ireland=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Fax +353-1-896 2282
Lloyd Building, Room 244=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 e-mail=C2=A0mmarina maths.tcd.ie

--94eb2c0eee92c03cfc0566b8d3c8--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  6 08:24:40 2018
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Date:         Tue, 6 Mar 2018 08:25:36 +0000
Reply-To:     Fabio Deelan Cunden 
Sender:       UCD Maths Department Distribution List 
From:         Fabio Deelan Cunden 
Subject: maths: Tomorrow UCD Probability Seminar
To:           MATHDEP LISTSERV.HEANET.IE
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A reminder.=20

Best wishes
Fabio

%%%%%%%%%%

UCD Probability Seminar

Speaker:   Philippe Biane (Paris)

Title:   Gog and Magog triangles and the Schutzenberger involution

Date:    Wednesday, 7th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  I will present Gog and Magog triangles which are particular =
cases of Gelfand-Tsetlin triangles and which appear in many models of =
statistical mechanics. An open problem is to find a bijection between =
these classes of objects. I will explain an approach to this problem =
based on the Schutzenberger involution.

Upcoming seminars:=20
https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ =
=20=

http://www.maths.ucd.ie/~noconnell/seminars1718.html =

%%%%%%%%%%=

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A =
reminder. 

Best wishes
Fabio
%%%%%%%%%%

UCD Probability =
Seminar

Speaker: =
  Philippe Biane (Paris)

Title:   Gog and Magog triangles and the =
Schutzenberger involution

Date: =
   Wednesday, 7th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK =
Lab)

Abstract:  I will present Gog and =
Magog triangles which are particular cases of Gelfand-Tsetlin triangles =
and which appear in many models of statistical mechanics. An open =
problem is to find a bijection between these classes of objects. I will =
explain an approach to this problem based on the Schutzenberger =
involution.

Upcoming seminars: 
https://www.ucd.ie/mathstat/research/seminars/probabilitysemina=
rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html<=
div class=3D"">
%%%%%%%%%%=

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From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  6 15:56:23 2018
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Date:         Tue, 6 Mar 2018 15:55:51 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: Krylov Subspace Methods for large-scale computing and imagine reconstruction. Friday 9th March 2018
To:           MATHDEP LISTSERV.HEANET.IE
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9335D371exMbx3ulcampus_
Content-Type: text/plain; charset="us-ascii"
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Content:

The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by  Dr Kirk Soodhalter (Trinity College Dublin):

Title:   Krylov Subspace Methods for large-scale computing and imagine reco=
nstruction

Abstract:. Krylov subspace methods are a powerful class of iterative method=
s for sparse linear problems in which the operator may be available only th=
rough a procedure implementing its application.  In this talk, we review th=
e core mathematics underpinning the entire class of methods before pivoting=
 to discuss some of our recent work in this area, focusing on the analysis =
of Block Krylov Subspace methods, augmented methods (a class of methods all=
owing one to use a priori known data to drive the iteration, and methods fo=
r large-scale ill-posed problems.  For the latter, we focus on solving ill-=
posed image reconstruction problems for which the exact convolution operato=
r is not know (i.e., a blind deconvolution problem).  Numerical experiments=
 will be used to demonstrate the potential for these methods in various app=
lications.

This seminar will take place on Friday 9th March , at 4 p.m, in  Room A2-00=
2.

If you have any questions regarding this seminar, please direct them to Iai=
n Moyles (061 233726, iain.moyles ul.ie).
A full list of upcoming seminars can be found at http://www.ulsites.ul.ie/m=
acsi/node/48011

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the m=
athematical modelling and solution of problems which arise in science, engi=
neering and industry in Ireland.

Peg Hanrahan
MACSI Administrator
Department of Mathematics & Statistics
University of Limerick
Telephone: 353 61 213013
e-mail peg.hanrahan ul.ie

Peg Hanrahan
MACSI Administrator
Department of Mathematics & Statistics
University of Limerick
Telephone: 353 61 213013
e-mail peg.hanrahan ul.ie
[Description: Description: cid:image001.jpg 01CC09AD.723BB6D0][cid:03D117D6=
-BE41-4784-9A7D-A4A5604055F3]

--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9335D371exMbx3ulcampus_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

Content:

The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by  Dr Kirk Soodhalter
 (Trinity College Dublin):

Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE">  
Krylov Subspace Methods for large-scale computi=
ng and imagine reconstruction

Abstract:.
Krylov subspace methods are a powerful class of=
 iterative methods for sparse linear problems in which the operator may be =
available only through a procedure implementing its application.  In t=
his talk, we review the core mathematics
 underpinning the entire class of methods before pivoting to discuss some o=
f our recent work in this area, focusing on the analysis of Block Krylov Su=
bspace methods, augmented methods (a class of methods allowing one to use a=
 priori known data to drive the
 iteration, and methods for large-scale ill-posed problems.  For the l=
atter, we focus on solving ill-posed image reconstruction problems for whic=
h the exact convolution operator is not know (i.e., a blind deconvolution p=
roblem).  Numerical experiments will
 be used to demonstrate the potential for these methods in various applicat=
ions.

This seminar will take place
 on Friday 9^th March , at 4 p.m, in  Room A2-002.

If you have any questions regarding th=
is seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011

--------------------------------------=
--------------------------------------
Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.

Peg Ha=
nrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.hanrahan ul.ie

Peg Hanrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.h=
anrahan ul.ie

=

--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9335D371exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  6 16:00:55 2018
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Date:         Tue, 6 Mar 2018 16:00:45 +0000
Reply-To:     Kirk Soodhalter 
Sender:       UCD Maths Department Distribution List 
From:         Kirk Soodhalter 
Subject: maths: Trinity College Computational Applied Mathematics Seminar seminar, 13. March at 2pm (SUBJECT LINE DATE CORRECTED)
To:           MATHDEP LISTSERV.HEANET.IE
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Content-Transfer-Encoding: quoted-printable
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	charset=utf-8

Dear Colleagues,

This is a correction, as the subject line contained an incorrect date.=20=

This email is to announce the next seminar of 2018 in the Trinity =
College Computational Applied Mathematics Seminar, which will take place =
on Tuesday, 13. March at 2pm.

All are welcome.  Details of the seminar follow.

################################################

Speaker: Stefan G=C3=BCttel (The University of Manchester, England)
Time: Tuesday, 13. March at 2pm
Location: Seminar Room, House 20, Westland Row, Trinity College Dublin

Title: Restarted Arnoldi methods for matrix function approximation

Abstract:=20
The problem of computing of f(A)b, the action of a matrix function onto =
a vector b, arises in many areas of scientific computing, including the =
solution of linear systems of equations [f(z)=3D1/z], ordinary =
differential equations [f(z)=3Dexp(z)], or Dirichlet-to-Neumann maps =
[f(z)=3Dsqrt(z)]. In most applications the matrix A is large and sparse, =
and computing the generally dense matrix f(A) itself is infeasible.

Arnoldi=E2=80=99s method is a popular tool for approximating f(A)b, =
however its practical applicability is limited by the storage =
requirements of the Arnoldi basis. We will discuss a new restarting =
technique based on quadrature which removes this limitation and is more =
stable and efficient than previously proposed restarting techniques. The =
technique is applicable for a large class of functions f, Hermitian and =
non-Hermitian matrices A, and it requires no a-priori spectral =
information. We will also discuss some recent results on the error =
analysis of this method.

################################################

Sincerely,

Kirk Soodhalter

################################################
Kirk M. Soodhalter
Ussher Assistant Professor in Numerical Analysis
Trinity College Dublin
The University of Dublin
School of Mathematics=20
ksoodha maths.tcd.ie 
http://math.soodhalter.com
Phone: +353-1-896 8515
School Fax: +353-1-896 2282
Skype: ksoodha
################################################

title:: Restarted Arnoldi methods for matrix function approximation
content:: Stefan G=C3=BCttel (The University of Manchester, England) =
will discuss the calculation of the action of a matrix function, for =
large, sparse matrices.
:: This includes Krylov subspace-based methods and restarted methods =
which require less memory which have increased stability and efficiency
:: as compared to previously proposed restarted methods. The technique =
is applicable for a large class of functions f, Hermitian and =
non-Hermitian=20
:: matrices A, and it requires no a-priori spectral information. Recent =
results on the error analysis of this method will also be discussed.

date-time:: 13th March 2018 at 14:00=20
location:: Seminar Room, House 20, Westland Row, Trinity College Dublin
endevent::

--Apple-Mail=_440371E7-F2D5-4F98-8253-3CC17EFC6508
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8

Dear Colleagues,

This is a correction, as the subject line =
contained an incorrect date. 

This email is to announce the next =
seminar of 2018 in the Trinity College Computational Applied Mathematics =
Seminar, which will take place on Tuesday, 13. March at 2pm.

All are welcome.  Details of the seminar =
follow.

################################################

Speaker: Stefan G=C3=BCttel (The University of =
Manchester, England)
Time: Tuesday, 13. March at 2pm
Location: Seminar Room, House 20, Westland Row, Trinity =
College Dublin

Title: Restarted Arnoldi methods for =
matrix function approximation

Abstract: 
The problem of computing of f(A)b, the action of a matrix function onto a vector b, =
arises in many areas of scientific computing, including the solution of =
linear systems of equations [f(z)=3D1/z], ordinary differential =
equations [f(z)=3Dexp(z)], or Dirichlet-to-Neumann maps [f(z)=3Dsqrt(z)]. =
In most applications the matrix A is large and sparse, and computing the =
generally dense matrix f(A) itself is infeasible.

Arnoldi=E2=80=99s method is a popular tool for approximating =
f(A)b, however its practical applicability is limited by the storage =
requirements of the Arnoldi basis. We will discuss a new restarting =
technique based on quadrature which removes this limitation and is more =
stable and efficient than previously proposed restarting techniques. The =
technique is applicable for a large class of functions f, Hermitian and =
non-Hermitian matrices A, and it requires no a-priori spectral =
information. We will also discuss some recent results on the error =
analysis of this method.

################################################

Sincerely,

Kirk =
Soodhalter

################################################
Kirk M. Soodhalter
Ussher Assistant Professor =
in Numerical Analysis
Trinity College Dublin
The University of Dublin
School of Mathematics =

ksoodha maths.tcd.ie
http://math.soodhalter.com
Phone: =
+353-1-896 8515
School Fax: +353-1-896 2282
Skype: ksoodha
################################################

title:: Restarted Arnoldi methods for matrix function =
approximation
content:: Stefan =
G=C3=BCttel (The University of Manchester, England) will discuss =
the calculation of the action of a matrix function, for large, sparse =
matrices.
:: This includes Krylov subspace-based methods =
and restarted methods which require less memory which have increased =
stability and efficiency
:: as compared to previously =
proposed restarted methods. The technique is applicable for a large class of functions f, =
Hermitian and non-Hermitian 
:: matrices A, =
and it requires no a-priori spectral information. Recent results on the =
error analysis of this method will also be discussed.

date-time:: 13th March 2018 at 14:00 
location:: Seminar Room, House 20, Westland Row, Trinity =
College Dublin
endevent::

=

--Apple-Mail=_440371E7-F2D5-4F98-8253-3CC17EFC6508--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  6 23:23:15 2018
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Date:         Tue, 6 Mar 2018 23:22:50 +0000
Reply-To:     sint maths.tcd.ie
Sender:       UCD Maths Department Distribution List 
From:         Stefan Sint 
Subject: maths: Dublin Theoretical Physics Colloquium
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Reminder:

Dublin Theoretical Physics Colloquium

Date & Time:  Wednesday, 7th March 2018 at 4:00 pm

Venue: Synge Lecture Theatre, Hamilton building, Trinity College Dublin

Speaker: Aleksi Kurkela (CERN)

Title: What do neutron stars teach us about QCD?

Abstract:
The structure of neutron stars is determined by a competition between 
gravity and the pressure of strong interactions, and as such neutron 
stars provide a unique macroscopic laboratory for QCD. The progress in 
the observational side is very fast: masses of over 30 neutron stars 
have been measured precisely, and the estimates of radii are getting 
increasingly accurate. The recent detection of gravitational waves 
originating from a merger of two neutron stars has opened a completely 
new window to neutron star structure. In my talk, I will describe how we 
can use first principles calculations
in QCD to gain understanding of the structure of neutron stars, and how 
the astrophysical observations of neutron stars can help us understand 
the properties of QCD in conditions where no first principles 
calculations are available.

All are welcome!

=====================
Future speakers:
21st March: Pietro Longhi
=====================

https://docs.google.com/document/d/19tE1zcbMU8fkHQR_58icn0vjnE03by1SINCFAT3E5ao/edit?usp=sharing

title:: Dublin Theoretical Physics Colloquium
content:: Aleksi Kurkela (CERN) will speak on
:: What do neutron stars teach us about QCD?
date-time::  Wednesday the 7th of March at 16:00pm
location:: Synge Lecture Theatre, School of Mathematics, Trinity College 
Dublin
endevent::

-
-------------------------
Stefan Sint
School of Mathematics
Trinity College Dublin
Dublin 2
Ireland
phone: +353 896 8559
email: sint maths.tcd.ie
-------------------------

For more about the MATHDEP list access http://maths.ucd.ie/mathdep
To change your mathdep preference, access https://maths.ucd.ie/mathdepchange

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  7 11:08:43 2018
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Date:         Wed, 7 Mar 2018 11:08:29 +0000
Reply-To:     john.s.butler dit.ie
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From:         John Butler <200714 DIT.IE>
Subject: maths: DIT Mathematical Sciences Seminar, Friday 8th March 2018
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DIT Mathematical Sciences Seminar

-------------------------------------------
Title: A Numerical Study on In-plane Wave Propagation in Mooring Cables
Speaker: Biswajit Basu (Trinity College Dublin)

Date and time: 2:15pm, Friday 8th March 2018

Venue: Blue Room, 4th floor, Main Building, DIT Kevin Street

Abstract:
This talk focuses on wave propagation in the mooring cables. For cables in
ocean applications, there are three sources of nonlinearities affecting the
cable response, the hydrodynamic effect, geometric stiffening effect, and
seabed effect. To this end, numerical solutions are pursued, where the
partial differential equations describing the dynamics of the submerged
mooring cable are formulated in Lagrangian coordinate and further solved
using space-time finite difference method. Specifically, a two-dimensional
cable is considered and the wave propagation is studied when the cable is
subjected harmonic excitation at the fairlead. The wave propagation with
seabed effects is also compared to that in a fully suspended cable. The
nonlinear mechanisms governing the propagation of waves are discussed based
on the numerical results. Further, some results on hydrodynamic analysis
using Lagrangian based smooth particle hydrodynamics (SPH) are presented.
Comparisons are made with some recent results and the impact of nonlinear
hydrodynamics on offshore applications is emphasized.

--=20

Dr John S Butler

Lecturer | School of Mathematical Sciences | Dublin Institute of Technology
| Kevin Street | Dublin 8 | Ireland

L=C3=A9acht=C3=B3ir | Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla |=
 Institi=C3=BAid
Teicneola=C3=ADochta Bhaile =C3=81tha Cliath | Sr=C3=A1id Chaoimh=C3=ADn | =
Baile =C3=81tha Cliath 8
| =C3=89ire

www.dit.ie | www.maths.dit.ie | www.maths.dit.ie/~johnbutler

Google Scholar Profile
 | Resear=
ch
Gate Profile 

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DIT Mathematical Sciences=C2=A0Semi=
nar
-----------------------=
--------------------

Title:=C2=A0A Numerical Study on In-plane Wave Propagation in Mooring Cable=
sSpeaker:=C2=A0Biswajit Basu (Trinity College Dublin)

=
Date and time: 2:15=
pm, Friday 8th March 2018
Venue: Blue Room, 4th floor, Main Building, DIT Kevin Stre=
et

Abstract:
This talk focuses on wave propagation in the mooring cable=
s. For cables in ocean applications, there are three sources of nonlinearit=
ies affecting the cable response, the hydrodynamic effect, geometric stiffe=
ning effect, and seabed effect. To this end, numerical solutions are pursue=
d, where the partial differential equations describing the dynamics of the =
submerged mooring cable are formulated in Lagrangian coordinate and further=
 solved using space-time finite difference method. Specifically, a two-dime=
nsional cable is considered and the wave propagation is studied when the ca=
ble is subjected harmonic excitation at the fairlead. The wave propagation =
with seabed effects is also compared to that in a fully suspended cable. Th=
e nonlinear mechanisms governing the propagation of waves are discussed bas=
ed on the numerical results. Further, some results on hydrodynamic analysis=
 using Lagrangian based smooth particle hydrodynamics (SPH) are presented. =
Comparisons are made with some recent results and the impact of nonlinear h=
ydrodynamics on offshore applications is emphasized.=C2=A0

-- 
Dr John=
 S Butler
Lecturer | School of Ma=
thematical Sciences | Dublin Institute of Technology | Kevin Street | Dubli=
n 8 | Ireland
=
L=C3=A9acht=
=C3=B3ir=C2=A0| Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla=
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d Chaoimh=C3=ADn | Baile =C3=81tha Cliath 8 | =C3=89ire
www.di=
t.ie=C2=A0|=C2=A0www.maths.dit.ie=C2=A0|=C2=A0www.maths.dit.ie/~johnbutler=

Google Scholar Profile=C2=A0|=
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From owner-mathdep LISTSERV.HEANET.IE  Wed Mar  7 11:39:33 2018
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Date:         Wed, 7 Mar 2018 11:39:15 +0000
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Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar (please note the special time, date and location)

Speaker: Carlos Moreno (CUNY)

Title: Number of solutions of algebraic equations over finite fields

Abstract: The Chevalley-Warning Theorem states that a (homogeneous) polynomial equation in n variables of degree d has solutions over any finite field if d < n. This result has had important applications in many branches of mathematics, most notably in logic (Ax-Kochen Theorem), in number theory (p-adic solutions) and Error Correcting Codes. In this survey talk, we will highlight some of the main tools and improvements and describe some problems that examine the validity of the result when n=d.

Date: Monday, March 12, 2018
Time: 12pm
Location: Science North, room N1.25

title:: UCD Algebra and Number Theory Seminar
content:: Carlos Moreno (CUNY) will speak on
:: Number of solutions of algebraic equations over finite fields
date-time:: Monday, March 12, 2018 at 12pm
location:: Science North, room N1.25
endevent::

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Date:         Thu, 8 Mar 2018 08:44:22 +0000
Reply-To:     John Butler <200714 DIT.IE>
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From:         John Butler <200714 DIT.IE>
Subject: maths: DIT Mathematical Sciences Seminar, Friday 9th March 2018
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Apologies I stated the wrong date, the talk will be on Friday the 9th of Ma=
rch at 2.15

> On 7 Mar 2018, at 11:08, John Butler <200714 dit.ie> wrote:
>=20
> DIT Mathematical Sciences Seminar
> -------------------------------------------
> Title: A Numerical Study on In-plane Wave Propagation in Mooring Cables
> Speaker: Biswajit Basu (Trinity College Dublin)
>=20
> Date and time: 2:15pm, Friday 8th March 2018
>=20
> Venue: Blue Room, 4th floor, Main Building, DIT Kevin Street
>=20
> Abstract:
> This talk focuses on wave propagation in the mooring cables. For cables i=
n ocean applications, there are three sources of nonlinearities affecting t=
he cable response, the hydrodynamic effect, geometric stiffening effect, an=
d seabed effect. To this end, numerical solutions are pursued, where the pa=
rtial differential equations describing the dynamics of the submerged moori=
ng cable are formulated in Lagrangian coordinate and further solved using s=
pace-time finite difference method. Specifically, a two-dimensional cable i=
s considered and the wave propagation is studied when the cable is subjecte=
d harmonic excitation at the fairlead. The wave propagation with seabed eff=
ects is also compared to that in a fully suspended cable. The nonlinear mec=
hanisms governing the propagation of waves are discussed based on the numer=
ical results. Further, some results on hydrodynamic analysis using Lagrangi=
an based smooth particle hydrodynamics (SPH) are presented. Comparisons are=
 made with some recent results and the impact of nonlinear hydrodynamics on=
 offshore applications is emphasized.=20
>=20
>=20
> --=20
> Dr John S Butler
> Lecturer | School of Mathematical Sciences | Dublin Institute of Technolo=
gy | Kevin Street | Dublin 8 | Ireland
> L=C3=A9acht=C3=B3ir | Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla=
 | Institi=C3=BAid Teicneola=C3=ADochta Bhaile =C3=81tha Cliath | Sr=C3=A1i=
d Chaoimh=C3=ADn | Baile =C3=81tha Cliath 8 | =C3=89ire
> www.dit.ie | www.maths.dit.ie | www.maths.dit.ie/~johnbutler
> Google Scholar Profile | Research Gate Profile
>=20

--=20

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Apologies I stated the =
wrong date, the talk will be on Friday the 9th of March at 2.15<=
br>On 7 Mar 2018, at 11:08, John Butler <=

DIT Mathematical Sciences Semi=
nar
-----------------------=
--------------------

Title: A Numerical Study on In-plane Wave Propagation in Mooring Cable=
sSpeaker: Biswajit Basu (Trinity College Dublin)

=
Date and time: 2:15=
pm, Friday 8th March 2018
Venue: Blue Room, 4th floor, Main Building, DIT Kevin Stre=
et

Abstract:
This talk focuses on wave propagation in the mooring cable=
s. For cables in ocean applications, there are three sources of nonlinearit=
ies affecting the cable response, the hydrodynamic effect, geometric stiffe=
ning effect, and seabed effect. To this end, numerical solutions are pursue=
d, where the partial differential equations describing the dynamics of the =
submerged mooring cable are formulated in Lagrangian coordinate and further=
 solved using space-time finite difference method. Specifically, a two-dime=
nsional cable is considered and the wave propagation is studied when the ca=
ble is subjected harmonic excitation at the fairlead. The wave propagation =
with seabed effects is also compared to that in a fully suspended cable. Th=
e nonlinear mechanisms governing the propagation of waves are discussed bas=
ed on the numerical results. Further, some results on hydrodynamic analysis=
 using Lagrangian based smooth particle hydrodynamics (SPH) are presented. =
Comparisons are made with some recent results and the impact of nonlinear h=
ydrodynamics on offshore applications is emphasized. 

-- 
Dr John=
 S Butler
Lecturer | School of Ma=
thematical Sciences | Dublin Institute of Technology | Kevin Street | Dubli=
n 8 | Ireland
=
L=C3=A9acht=
=C3=B3ir | Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla=
 | Institi=C3=BAid Teicneola=C3=ADochta Bhaile =C3=81tha Cliath | Sr=C3=A1i=
d Chaoimh=C3=ADn | Baile =C3=81tha Cliath 8 | =C3=89irewww.di=
t.ie | www.maths.dit.ie | www.maths.dit.ie/~johnbutler=

Google Scholar Profile |&n=
bsp;Research Gate P=
rofile

<=
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Date:         Thu, 8 Mar 2018 11:07:17 +0000
Reply-To:     Ivan Todorov 
Sender:       UCD Maths Department Distribution List 
From:         Ivan Todorov 
Subject: maths: LMS Meeting in honour of Maryam Mirzakhani - 22 March; Warwick
To:           MATHDEP LISTSERV.HEANET.IE
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> Begin forwarded message:
>=20
> From: Elizabeth Fisher 
> Subject: LMS Meeting in honour of Maryam Mirzakhani - 22 March; =
Warwick
> Date: 8 March 2018 at 10:53:25 GMT
> To: 
> Reply-To: Elizabeth Fisher 
>=20
> Dear All
> =20
> The LMS is pleased to announce that a Society Meeting in Honour of =
Maryam Mirzakhani will be held on 22 March at the University of Warwick =
and we would be grateful if you pass on the notice below to friends and =
colleagues who may wish to attend.=20
> =20
> Society Meeting in Honour of Maryam Mirzakhani
> =20
> University of Warwick, Thursday, 22 March, 2018, 2.00pm start.
> =20
> The meeting commemorates the work of Professor Maryam Mirzakhani (1977 =
=E2=80=93 2017), Fields Medallist and LMS Honorary Member. The meeting =
forms part of the 2017-2018 Warwick EPSRC Symposium workshop on =
Teichm=C3=BCller Dynamics from 19-23 March.
> =20
> Programme
> =20
> 2.00pm Opening of the meeting
> =20
> 2.15pm Alex Wright (Stanford) Mirzakhani's computation of =
Weil-Petersson volumes and intersection numbers
> =20
> Abstract: We will reproduce Mirzakhani's remarkable computation of the =
Weil-Petersson volume in the simplest example of the moduli space of =
genus 1, once punctured Riemann surfaces, and discuss how Mirzakhani =
generalized the techniques to determine the volume of all moduli spaces =
of Riemann surfaces.Then we will discuss Mirzakhani's proof of Witten's =
Conjecture concerning intersection numbers of tautological classes on =
moduli spaces of Riemann surfaces. We will emphasize definitions, =
examples, and the connection that Mirzakhani established to =
Weil-Petersson volumes.
> 3.30pm Tea & coffee break
> =20
> 4.00pm Anton Zorich (Paris) Mirzakhani's count of simple closed =
geodesics
> =20
> Abstract: We will try to give an outline of Mirzakhani's count of =
simple closed geodesics of bounded length on a hyperbolic surface with =
cusps.
> We shall start with basic facts about simple closed geodesics and =
about moduli spaces of hyperbolic surfaces to make the exposition =
self-contained. We shall use McShane's identity to give an idea of how =
Mirzakhani computes integrals over moduli space, in particular, how she =
counts the average number of simple closed geodesics of bounded length.
> We shall proceed with more detailed consideration of simple closed =
curves on a four-punctured sphere which would lead us to the notion of =
the space of measured geodesic laminations and of Thurston measure in =
this particularly simple case. Using these notions we shall state (and =
even give an idea of the proof) of Mirzakhani's particularly beautiful =
result: the asymptotic frequencies of simple closed geodesics of =
different topological types do not depend on the hyperbolic metric and =
are explicitly computable.
> We will finish with an announcement of the result showing that =
"random" simple closed hyperbolic geodesics have the same asymptotic =
frequencies as the corresponding "random" simple closed flat geodesics =
(under appropriate interpretation of "randomness=E2=80=9D).
> 5.00pm Wine reception
> 6.30pm Dinner at the Mathematics Institute
> =20
> Registration: Please register for your place here =

> =20
> Best wishes
> Elizabeth
> ****************************************************
> Elizabeth Fisher=20
> Membership & Engagement Officer=20
> London Mathematical Society=20
> De Morgan House=20
> 57-58 Russell Square=20
> London WC1B 4HS=20
> United Kingdom
> T +44 (0)20 7291 9973 (direct)=20
> T +44 (0)20 7637 3686 (main)=20
> F +44 (0)20 7323 3655=20
> W: www.lms.ac.uk =20
> E: elizabeth.fisher lms.ac.uk ;
> Twitter:  LondMathSoc
> The London Mathematical Society is a Registered Charity, no. 252660.
> ******************************************************
> =20

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Begin forwarded message:

From: =
Elizabeth Fisher <Elizabeth.Fisher lms.ac.uk>
Subject: =
LMS Meeting in =
honour of Maryam Mirzakhani - 22 March; Warwick
Date: =
8 March 2018 at 10:53:25 GMT
To: =
<MATHSHEADS jiscmail.ac.uk>
Reply-To: =
Elizabeth Fisher <Elizabeth.Fisher lms.ac.uk>

Dear All

The LMS is pleased to announce that a Society Meeting in =
Honour of Maryam Mirzakhani will be held on 22 March at the University =
of Warwick and we would be grateful if you pass on the notice below to =
friends and colleagues who may wish to attend. 

Society Meeting in Honour of =
Maryam Mirzakhani

University of Warwick, Thursday, 22 March, 2018, 2.00pm =
start.

The meeting commemorates the work of Professor Maryam =
Mirzakhani (1977 =E2=80=93 2017), Fields Medallist and LMS Honorary =
Member. The meeting forms part of the 2017-2018 Warwick EPSRC Symposium =
workshop on Teichm=C3=BCller Dynamics from 19-23 March.

Programme

2.00pm Opening of the meeting

2.15pm Alex Wright (Stanford) Mirzakhani's computation of Weil-Petersson volumes and =
intersection numbers

Abstract: We will reproduce =
Mirzakhani's remarkable computation of the Weil-Petersson volume in the =
simplest example of the moduli space of genus 1, once punctured Riemann =
surfaces, and discuss how Mirzakhani generalized the techniques to =
determine the volume of all moduli spaces of Riemann surfaces.Then we =
will discuss Mirzakhani's proof of Witten's Conjecture concerning =
intersection numbers of tautological classes on moduli spaces of Riemann =
surfaces. We will emphasize definitions, examples, and the connection =
that Mirzakhani established to Weil-Petersson volumes.
3.30pm Tea & =
coffee break

4.00pm Anton Zorich (Paris) Mirzakhani's =
count of simple closed geodesics

Abstract: We =
will try to give an outline of Mirzakhani's count of simple closed =
geodesics of bounded length on a hyperbolic surface with cusps.
We shall =
start with basic facts about simple closed geodesics and about moduli =
spaces of hyperbolic surfaces to make the exposition self-contained. We =
shall use McShane's identity to give an idea of how Mirzakhani computes =
integrals over moduli space, in particular, how she counts the average =
number of simple closed geodesics of bounded length.
We shall =
proceed with more detailed consideration of simple closed curves on a =
four-punctured sphere which would lead us to the notion of the space of =
measured geodesic laminations and of Thurston measure in this =
particularly simple case. Using these notions we shall state (and even =
give an idea of the proof) of Mirzakhani's particularly beautiful =
result: the asymptotic frequencies of simple closed geodesics of =
different topological types do not depend on the hyperbolic metric and =
are explicitly computable.
We will finish with an announcement of =
the result showing that "random" simple closed hyperbolic geodesics have =
the same asymptotic frequencies as the corresponding "random" simple =
closed flat geodesics (under appropriate interpretation of =
"randomness=E2=80=9D).
5.00pm =
Wine reception
6.30pm Dinner at the Mathematics Institute

Registration: Please register for your place here

Best wishes
Elizabeth
****************************************************
Elizabeth =
Fisher 
Membership & =
Engagement Officer 
London Mathematical =
Society 
De Morgan =
House 
57-58 Russell =
Square 
London WC1B =
4HS 
United =
Kingdom
T +44 (0)20 7291 9973 =
(direct) 
T +44 (0)20 7637 3686 =
(main) 
F +44 (0)20 7323 =
3655 
W: www.lms.ac.uk 
E: elizabeth.fisher lms.ac.uk;
Twitter: =
 LondMathSoc
The =
London Mathematical Society is a Registered Charity, no. =
252660.
******************************************************

=

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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  8 18:32:00 2018
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Date:         Thu, 8 Mar 2018 18:31:46 +0000
Reply-To:     Ivan Todorov 
Sender:       UCD Maths Department Distribution List 
From:         Ivan Todorov 
Subject: maths: Preservers: Modern Aspects and New Directions
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A message from Ying-Fen Lin (QUB):

=
**************************************************************************=
***********************
=20
"Preservers: Modern Aspects and New Directions=E2=80=9D --- First =
Announcement
=20
=20
A conference entitled "Preservers: Modern Aspects and New Directions" =
(MAP) will be held at Queen's University Belfast between 18-21 June =
2018. The aim of this meeting is to present some of the most recent =
applications and links of the field of Preservers with other scientific =
areas at a comprehensive level. Further information can be found on the =
conference website:=20
=20
https://sites.google.com/site/nipreservers/ =

=20
Support for UK based research students is available. For any queries, =
please contact the Organiser, Ying-Fen Lin, at y.lin qub.ac.uk =
=

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A message from Ying-Fen Lin (QUB):
***************************************************************=
**********************************

"Preservers: Modern Aspects and New Directions=E2=80=9D =
--- First Announcement

A conference entitled "Preservers: =
Modern Aspects and New Directions" (MAP) will be held at Queen's =
University Belfast between 18-21 June 2018. The aim of this meeting is =
to present some of the most recent applications and links of the field =
of Preservers with other scientific areas at a comprehensive level. =
Further information can be found on the =
conference website: 

https://sites.google.com/site/nipreservers/

Support for UK based research students is available. For any =
queries, please contact the Organiser, Ying-Fen Lin, at y.lin qub.ac.uk=

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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  8 18:47:07 2018
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Date:         Thu, 8 Mar 2018 18:57:50 +0000
Reply-To:     Fabio Deelan Cunden 
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From:         Fabio Deelan Cunden 
Subject: maths: UCD Probability Seminar
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UCD Probability Seminar

Speaker:   Antoine Dahlqvist (UCD)

Title:   The two dimensional Yang-Mills measure and its large N limit

Date:    Wednesday, 14th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  The Yang-Mills measure is a model of mathematical physics =
that stems from the physics of the standard model, describing the =
interactions between elementary particles. We shall explain how it gives =
raise to random matrix models in two dimensions that are very closely =
related to the Brownian motion on compact Lie groups. Given a surface, =
playing the role of space-time, and a compact Lie group, associated to =
the type of interaction, it is the data of a random mapping that sends =
any path to a matrix of the group in a multiplicative way. =46rom the =
pioneering work of G. t=E2=80=99Hooft, it was conjectured  in the =
physics literature that these models simplify when, the surface being =
kept fixed,  the dimension of  the group goes to infinity. We shall see =
that they display different behaviors in regards of the choice of =
surface and how they can be analysed thanks to  differential equations =
involving deformations of loops, known as Makeenko-Migdal equations.

All are welcome.

Best wishes,
Fabio

%%%%%%%%%%

Upcoming seminars:=20
https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ =
=20=

http://www.maths.ucd.ie/~noconnell/seminars1718.html =

%%%%%%%%%%

title:: UCD Probability Seminar
content:: Antoine Dahlqvist (UCD) will speak on
:: The two dimensional Yang-Mills measure and its large N limit
date-time::   Wednesday, 14th March 2018 at 2:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::=

--Apple-Mail=_9943F120-9E9C-4AE9-AB29-C54809BBE278
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	charset=utf-8

UCD Probability Seminar

Speaker:   Antoine Dahlqvist (UCD)

Title:   The two dimensional =
Yang-Mills measure and its large N limit

Date:    Wednesday, 14th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK =
Lab)

Abstract:  The Yang-Mills measure =
is a model of mathematical physics that stems from the physics of the =
standard model, describing the interactions between elementary =
particles. We shall explain how it gives raise to random matrix models =
in two dimensions that are very closely related to the Brownian motion =
on compact Lie groups. Given a surface, playing the role of space-time, =
and a compact Lie group, associated to the type of interaction, it is =
the data of a random mapping that sends any path to a matrix of the =
group in a multiplicative way. =46rom the pioneering work of G. =
t=E2=80=99Hooft, it was conjectured  in the physics literature that =
these models simplify when, the surface being kept fixed,  the =
dimension of  the group goes to infinity. We shall see that they =
display different behaviors in regards of the choice of surface and how =
they can be analysed thanks to  differential equations involving =
deformations of loops, known as Makeenko-Migdal equations.

All are welcome.

Best wishes,
Fabio
%%%%%%%%%%

Upcoming =
seminars: 
https://www.ucd.ie/mathstat/research/seminars/probabilitysemina=
rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html<=
div class=3D"">
%%%%%%%%%%

title:: UCD Probability =
Seminar
content:: Antoine Dahlqvist (UCD) will =
speak on
:: The two dimensional Yang-Mills measure =
and its large N limit
date-time::   Wednesday, =
14th March 2018 at 2:00pm
location:: UCD, 125 Science =
North (JK Lab)
endevent::
=

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From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  9 12:04:14 2018
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Date:         Fri, 9 Mar 2018 12:03:54 +0000
Reply-To:     "Richard M. Timoney" 
Sender:       UCD Maths Department Distribution List 
From:         "Richard M. Timoney" 
Subject: maths: Analysis seminar 13/3  4
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                    ANALYSIS SEMINAR

** Note: Time now 4pm not 3pm as previously announced. **

Tuesday 13th March, 2018  at 4.00pm  (place: UCD  Science North 125 )

Speaker: S. Gardiner 
Title: Universal Fourier and Taylor series 

Abstract
It has long been known that there exist trigonometric series, the
partial sums of which possess universal approximation properties on
the unit circle. It turns out that, for most smooth functions
on the unit circle, the partial sums of the associated Fourier series,
when extended to the plane, have universal approximation properties
off the circle. There are also related results for pairs of Taylor
and Laurent series arising from functions that are holomorphic off a
Jordan curve. (This is joint work with Vassili Nestoridis and Christos Papadimitropoulos.) 

______________________________
C. Boyd , R. Timoney .

webpage:
http://www.maths.tcd.ie/~richardt/analysis/

Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: S. Gardiner  will speak on
::  Universal Fourier and Taylor series 
date-time:: Tuesday 13th March, 2018  at 4.00pm 
location:: UCD  Science North 125 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  9 19:23:45 2018
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Date:         Fri, 9 Mar 2018 19:23:29 +0000
Reply-To:     Fabio Deelan Cunden 
Sender:       UCD Maths Department Distribution List 
From:         Fabio Deelan Cunden 
Subject: maths: One-day workshop `Random Matrices and Integrable Systems' at UCD 23rd of May 2018
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Dear colleagues,

There will be a one-day workshop `Random Matrices and Integrable =
Systems=E2=80=99, at University College Dublin, Wednesday May 23, 2018.

Invited speakers include Gernot Akemann (Bielefeld), Tamara Grava =
(Sissa/Bristol), Francesco Mezzadri (Bristol), Pierpaolo Vivo (London), =
Oleg Zaboronski (Warwick).

The workshop will take place in the lecture room 128 Science North.

There is no registration fee.  Coffee/tea and lunch will be provided. =20=

To help with planning/catering, please register your attendance by April =
20, by email to fabio.cunden ucd.ie  .

Further details will be provided, in due course, on the workshop web =
page

https://maths.ucd.ie/~noconnell/rmit18/main.html =

With best wishes, on behalf of the organisers,

Fabio Deelan Cunden
Neil O=E2=80=99Connell

title:: One-day workshop Random Matrices and Integrable Systems
content:: G. Akemann (Bielefeld), T. Grava (Sissa/Bristol), F. Mezzadri =
(Bristol), P. Vivo (London), O. Zaboronski (Warwick)
:: Random Matrices and Integrable Systems
date-time::   Wednesday, 23rd May 2018
location:: UCD, lecture room 128 Science North
endevent::=

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Dear colleagues,

There =
will be a one-day workshop `Random Matrices and Integrable Systems=E2=80=99=
, at University College Dublin, Wednesday May 23, 2018.

Invited speakers include Gernot Akemann =
(Bielefeld), Tamara Grava (Sissa/Bristol), Francesco Mezzadri (Bristol), =
Pierpaolo Vivo (London), Oleg Zaboronski (Warwick).

The workshop will take =
place in the lecture room 128 Science North.

There is no registration fee.  Coffee/tea and lunch will =
be provided.  

To help with planning/catering, please register your =
attendance by April 20, by email to fabio.cunden ucd.ie .

Further details will be provided, in due course, on the =
workshop web page

https://maths.ucd.ie/~noconnell/rmit18/main.html

With best wishes, on behalf of =
the organisers,

Fabio Deelan Cunden
Neil O=E2=80=99Connell

title:: One-day workshop Random =
Matrices and Integrable Systems
content:: G. Akemann =
(Bielefeld), T. Grava (Sissa/Bristol), F. Mezzadri (Bristol), P. =
Vivo (London), O. Zaboronski (Warwick)
:: Random =
Matrices and Integrable Systems
date-time:: =
  Wednesday, 23rd May 2018
location:: =
UCD, lecture room 128 Science North
endevent::=

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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  8 08:22:53 2018
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            <066BF421-3507-4B4C-8695-3FC2EE21ADE7 stp.dias.ie>

            <09E47C25-873E-4962-86BD-CF10EF059DE8 stp.dias.ie>

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            <5B98B440-59AF-401D-900E-0E9E2699D0A8 stp.dias.ie>
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Date:         Thu, 8 Mar 2018 08:22:25 +0000
Reply-To:     Leron Borsten 
Sender:       UCD Maths Department Distribution List 
From:         Leron Borsten 
Subject: DIAS Theoretical Physics Seminar, 15th March
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Thursday, 15th March 2018, 2:30 pm

Speaker: Andrei Parnachev (TCD)

Title: Einstein gravity from conformal field theory

Abstract: We will analyse the Regge limit of certain four point =
functions in CFTs
and will argue that holographic CFTs must be described by the Einstein =
gravity.

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 =
Burlington Road, Dublin 4
All welcome!
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
title:: DIAS Theoretical Physics Seminar
content:: Andrei Parnachev (TCD)
:: Einstein gravity from conformal field theory
date-time:: 15 March 2018 at 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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DIAS =
THEORETICAL PHYSICS SEMINAR

      Time: =
Thursday, 15th March 2018, 2:30 pm

      Speaker: Andrei =
Parnachev (TCD)

        Title: Einstein gravity from conformal field =
theory

Abstract: We will analyse the Regge limit of =
certain four point functions in CFTsand will argue that holographic CFTs =
must be described by the Einstein gravity.

Place: Lecture Room, 1st Floor, School of =
Theoretical Physics, DIAS, 10 Burlington Road, Dublin 4

          All welcome!
&&&&&&&&&&&=
&&&&&&&&&&&&&&&=
;&&&&&&&&&&&&&&&am=
p;&&&&&&&&&&&&&=
title:: DIAS Theoretical Physics Seminar
content:: Andrei =
Parnachev (TCD)
:: Einstein gravity from conformal field =
theory
date-time:: 15 March 2018 at 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington =
Road, D.4.
endevent::

=

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From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  8 10:55:32 2018
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Date:         Thu, 8 Mar 2018 10:46:15 +0000
Reply-To:     Martin Mathieu 
Sender:       UCD Maths Department Distribution List 
From:         Martin Mathieu 
Subject: 50th Anniversary meeting of the North British Functional Analysis Seminar
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The next meeting of the North British Functional Analysis Seminar (NBFAS) i=
s the 50th anniversary meeting in Edinburgh on 12-14 April 2014.
All information, including deadlines (!), can be found at

http://www.icms.org.uk/NBFAS2018.php

Please note in particular the financial support that is available for PhD s=
tudents; we encourage many of them to come!

There will also be a committee meeting on Thursday 12 April at 6pm so we ho=
pe that many of the committee members will be present as there are election=
s of officers.

Best wishes,

Martin Mathieu
NBFAS Secretary

---------------------------------------------------------------------------=
------
Dr Martin Mathieu, MRIA
Mathematical Sciences Research Centre
School of Mathematics and Physics
Queen's University Belfast
Belfast BT7 1NN
Northern Ireland

E-mail m.m qub.ac.uk
URL http://maths.martinmathieu.net
Tel +44 28 9097 1321
Fax +44 28 9097 1541
Mob +44 7976 758908

--_000_D5256895D8C44547AA7FD1339E946994E00CB650EX2K10MBX7adsqu_
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The next meeting of the North British Functional Analysis Seminar (NBF=
AS) is the 50^th anniversary meeting in Edinburgh on 12-14 April =
2014.
All information, including deadlines (!), can be found at

http://www.icms.org.u=
k/NBFAS2018.php

Please note in particular the financial support that is available for =
PhD students; we encourage many of them to come!

There will also be a committee meeting on Thursday 12 April at 6pm so =
we hope that many of the committee members will be present as there are ele=
ctions of officers.

Best wishes,

Martin Mathieu
NBFAS Secretary

--------------------------=
-------------------------------------------------------
Dr Martin Mathieu, MRIA
Mathematical Sciences Rese=
arch Centre
School of Mathematics and =
Physics
Queen’s University B=
elfast
Belfast BT7 1NN=

Northern Ireland

E-mail
m.m qub.ac.uk
URL
http://maths.martinmathieu.net

Tel +44 28 9097 1321
Fax +44 28 9097 1541
Mob +44 7976 758908

--_000_D5256895D8C44547AA7FD1339E946994E00CB650EX2K10MBX7adsqu_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 12 22:46:30 2018
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Date:         Mon, 12 Mar 2018 22:46:24 +0000
Reply-To:     Brendan Murphy 
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From:         Brendan Murphy 
Subject: Positions in UCD School of Mathematics and Statistics
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Dear All,

We currently have two lecturing positions advertised in the UCD School of Mathematics & Statistics. 

- Lectureship in Mathematics (BDIC) (3 year position)
- Lectureship in Statistics and Applied Mathematics (3 year position)

Details of these positions can be found at http://www.ucd.ie/workatucd by following the Jobs link. 

Regards,

Brendan

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From:         Leron Borsten 
Subject: DIAS Theoretical Physics Seminar, 20th March
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Tuesday, 20th March 2018, 2:30 pm

Speaker: Charles Nash (NUI Maynooth)

Title: =46rom Hilbert's 16th problem to physics

Abstract: We shall describe a link between Hilbert's sixteenth problem =
(part (i)) concerning real algebraic curves and condensed matter =
physics.=20
The central result is some work of Kenyon and Okounkov (2006).=20
The physics involves so called dimer problems for periodic bipartite and =
non-bipartite graphs.
A differential geometric approach will be introduced to help clarify =
matters.=20
It transpires that real K-theory underlies the systems studied.

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 =
Burlington Road, Dublin 4
All welcome!
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
title:: DIAS Theoretical Physics Seminar
content:: Charles Nash (NUI Maynooth)
:: =46rom Hilbert's 16th problem to physics
date-time:: 20 March 2018 at 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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DIAS =
THEORETICAL PHYSICS SEMINAR

      Time: =
Tuesday, 20th March 2018, 2:30 pm

      Speaker: Charles =
Nash (NUI Maynooth)

        Title: =46rom Hilbert's 16th problem to =
physics

Abstract: We shall describe a link between =
Hilbert's sixteenth problem (part (i)) concerning real =
algebraic curves and condensed matter =
physics. 
The central result is some work of =
Kenyon and Okounkov (2006). 
The physics =
involves so called dimer problems for periodic bipartite and =
non-bipartite graphs.
A differential =
geometric approach will be introduced to help clarify =
matters. 
It transpires that real K-theory =
underlies the systems studied.

Place: Lecture Room, 1st Floor, School of =
Theoretical Physics, DIAS, 10 Burlington Road, Dublin 4

          All welcome!
&&&&&&&&&&&=
&&&&&&&&&&&&&&&=
;&&&&&&&&&&&&&&&am=
p;&&&&&&&&&&&&&=
title:: DIAS Theoretical Physics Seminar
content:: Charles Nash (NUI Maynooth)
:: =46rom Hilbert's 16th problem to =
physics
date-time:: 20 March 2018 at 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington =
Road, D.4.
endevent::

=

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From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 13 09:46:49 2018
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Date:         Tue, 13 Mar 2018 09:49:07 +0000
Reply-To:     Fabio Deelan Cunden 
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From:         Fabio Deelan Cunden 
Subject: maths: Tomorrow UCD Probability Seminar
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A reminder. All are welcome.

Best wishes
Fabio

%%%%%%%%%%

UCD Probability Seminar

Speaker:   Antoine Dahlqvist (UCD)

Title:   The two dimensional Yang-Mills measure and its large N limit

Date:    Wednesday, 14th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  The Yang-Mills measure is a model of mathematical physics =
that stems from the physics of the standard model, describing the =
interactions between elementary particles. We shall explain how it gives =
raise to random matrix models in two dimensions that are very closely =
related to the Brownian motion on compact Lie groups. Given a surface, =
playing the role of space-time, and a compact Lie group, associated to =
the type of interaction, it is the data of a random mapping that sends =
any path to a matrix of the group in a multiplicative way. =46rom the =
pioneering work of G. t=E2=80=99Hooft, it was conjectured  in the =
physics literature that these models simplify when, the surface being =
kept fixed,  the dimension of  the group goes to infinity. We shall see =
that they display different behaviors in regards of the choice of =
surface and how they can be analysed thanks to  differential equations =
involving deformations of loops, known as Makeenko-Migdal equations.

Upcoming seminars:=20
https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ =
=20=

http://www.maths.ucd.ie/~noconnell/seminars1718.html =

%%%%%%%%%%=

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A =
reminder. All are welcome.

Best wishes
Fabio
%%%%%%%%%%

UCD Probability Seminar

Speaker:   Antoine Dahlqvist =
(UCD)

Title:   The two =
dimensional Yang-Mills measure and its large N limit

Date:    Wednesday, 14th March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK =
Lab)

Abstract:  The Yang-Mills measure =
is a model of mathematical physics that stems from the physics of the =
standard model, describing the interactions between elementary =
particles. We shall explain how it gives raise to random matrix models =
in two dimensions that are very closely related to the Brownian motion =
on compact Lie groups. Given a surface, playing the role of space-time, =
and a compact Lie group, associated to the type of interaction, it is =
the data of a random mapping that sends any path to a matrix of the =
group in a multiplicative way. =46rom the pioneering work of G. =
t=E2=80=99Hooft, it was conjectured  in the physics literature that =
these models simplify when, the surface being kept fixed,  the =
dimension of  the group goes to infinity. We shall see that they =
display different behaviors in regards of the choice of surface and how =
they can be analysed thanks to  differential equations involving =
deformations of loops, known as Makeenko-Migdal equations.

Upcoming =
seminars: https://www.ucd.ie/mathstat/research/seminars/probabilitysemina=
rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html<=
div class=3D"">
%%%%%%%%%%
=

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From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 13 10:02:52 2018
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Reply-To:     Peter Taylor 
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From:         Peter Taylor 
Subject: maths: DCU Maths Colloquium, Wed March 14th   3pm
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Details for this week's DCU Maths Colloquium are as follows:

Speaker: Dr. Fiona Faulkner, DIT

Title: *Trends in undergraduate students' basic mathematical skills on
entry to third level education over the past 2 decades*
Abstract: In 1997 diagnostic testing was first implemented in the
University of Limerick due to service mathematics lecturers=E2=80=99 anxiet=
y
regarding Science and Technology students=E2=80=99 mathematical competency =
levels.
The test is a tool to identify those who are struggling with the basic
mathematical concepts needed for third level education. An examination of
over 8,000 students involved in the diagnostic testing in UL between 1998
and 2008 highlighted a steady decline in students=E2=80=99 basic mathematic=
al
competency levels on entry to third level education. This data was also
used to explore the role of prior mathematics achievement in predicting
performance in third level mathematics (Faulkner et al 2010). Later
examinations of the diagnostic test data, between 2003 and 2013, found that
the proportion of students tested that are predicted to be at risk of
failing their service mathematics end-of-semester examinations had
continued to increased. Furthermore, when students=E2=80=99 performance in
secondary level mathematics was controlled, it was determined that the
performance of beginning undergraduates in 2013 was statistically
significantly below that of the performance of the beginning undergraduates
recorded 10 years previously (Treacy and Faulkner 2015).   This research
also examines the declining standard in basic mathematics skills in light
of curriculum changes in second level education (Treacy, Faulkner and
Prendergast 2016).

Date: Wednesday 14th March   3pm

*Location:* Nursing Building (H Building) Room HG23
https://www.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/biscuits served in the seminar room at 2:45pm.

Cheers,
Peter.

--=20
Dr. Peter Taylor

Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.
www.taylorexpansion.net

--=20

*S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s=
eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=
=A1id ag an seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuillea=
dh a l=C3=A9amh anseo.  =
This e-mail and any files transmitted with it are confidential and are inte=
nded solely for use by the addressee. Read more here. *

--=20

 =20
=20
=20

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De=
tails for this week's DCU Maths Colloquium are as follows:

Speaker: Dr. Fiona Faulkner, DITTitle:=C2=A0<=
/font>Trends in undergraduate student=
s' basic mathematical skills on entry to third level education over the=
 past 2 decades
Abstract:=C2=A0In 1997 diagnostic testing was first implemented in the University of =
Limerick due to service mathematics lecturers=E2=80=99 anxiety regarding Sc=
ience and Technology students=E2=80=99 mathematical competency levels. The =
test is a tool to identify those who are struggling with the basic mathemat=
ical concepts needed for third level education. An examination of over 8,00=
0 students involved in the diagnostic testing in UL between 1998 and 2008 h=
ighlighted a steady decline in students=E2=80=99 basic mathematical compete=
ncy levels on entry to third level education. This data was also used to ex=
plore the role of prior mathematics achievement in predicting performance i=
n third level mathematics (Faulkner et al 2010). Later examinations of the =
diagnostic test data, between 2003 and 2013, found that the proportion of s=
tudents tested that are predicted to be at risk of failing their service ma=
thematics end-of-semester examinations had continued to increased. Furtherm=
ore, when students=E2=80=99 performance in secondary level mathematics was =
controlled, it was determined that the performance of beginning undergradua=
tes in 2013 was statistically significantly below that of the performance o=
f the beginning undergraduates recorded 10 years previously (Treacy and Fau=
lkner 2015). =C2=
=A0 This research also examines the declining standard=
 in basic mathematics skills in light of curriculum changes in second level=
 education (Treacy, Faulkner and Prendergast 2016).=C2=A0

=

Date: Wednesday 14th March=C2=A0  3pm

Loc=
ation: Nursing Buildi=
ng (H Building) Room HG23
https://ww=
w.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/biscuits s=
erved in the seminar room at 2:45pm.

Cheers,
Pete=
r.

-- 
Dr. Peter Taylor<=
br>Assistant Professor<=
/div>Center for Astrophysics and Re=
lativity
School of Math=
ematical Sciences
Dubli=
n City University.
www.taylorexpansio=
n.net

S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.

--94eb2c122e64464d470567485c10--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 13 12:50:57 2018
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Date:         Tue, 13 Mar 2018 12:50:44 +0000
Reply-To:     Peter Taylor 
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Subject: maths: Time Change, DCU Maths Colloquium
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This week's DCU Math's Colloquium *will now be at 3:30pm* on Wed March
14th, not at 3pm as previously advertised.

Speaker: Dr. Fiona Faulkner, DIT

Title: *Trends in undergraduate students' basic mathematical skills on
entry to third level education over the past 2 decades*
Abstract: In 1997 diagnostic testing was first implemented in the
University of Limerick due to service mathematics lecturers=E2=80=99 anxiet=
y
regarding Science and Technology students=E2=80=99 mathematical competency =
levels.
The test is a tool to identify those who are struggling with the basic
mathematical concepts needed for third level education. An examination of
over 8,000 students involved in the diagnostic testing in UL between 1998
and 2008 highlighted a steady decline in students=E2=80=99 basic mathematic=
al
competency levels on entry to third level education. This data was also
used to explore the role of prior mathematics achievement in predicting
performance in third level mathematics (Faulkner et al 2010). Later
examinations of the diagnostic test data, between 2003 and 2013, found that
the proportion of students tested that are predicted to be at risk of
failing their service mathematics end-of-semester examinations had
continued to increased. Furthermore, when students=E2=80=99 performance in
secondary level mathematics was controlled, it was determined that the
performance of beginning undergraduates in 2013 was statistically
significantly below that of the performance of the beginning undergraduates
recorded 10 years previously (Treacy and Faulkner 2015).   This research
also examines the declining standard in basic mathematics skills in light
of curriculum changes in second level education (Treacy, Faulkner and
Prendergast 2016).

Date: Wednesday 14th March   3:30pm

Location: Nursing Building (H Building) Room HG23
https://www.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/biscuits served in the seminar room at 3:15pm.

Cheers,
Peter.

--=20
Dr. Peter Taylor

Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.
www.taylorexpansion.net

--=20

*S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s=
eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=
=A1id ag an seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuillea=
dh a l=C3=A9amh anseo.  =
This e-mail and any files transmitted with it are confidential and are inte=
nded solely for use by the addressee. Read more here. *

--=20

 =20
=20
=20

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This week's D=
CU Math's Colloquium will now be at 3:30pm on Wed March 1=
4th, not at 3pm as previously advertised.

Speaker: Dr. Fiona Faulkner, D=
ITTitle:=C2=A0Trends in undergraduate students' basic mathematical skil=
ls on entry to third level education over the past 2 decades
Abstract:=C2=A0In 1997 diagnostic testin=
g was first implemented in the University of Limerick due to service mathem=
atics lecturers=E2=80=99 anxiety regarding Science and Technology students=
=E2=80=99 mathematical competency levels. The test is a tool to identify th=
ose who are struggling with the basic mathematical concepts needed for thir=
d level education. An examination of over 8,000 students involved in the di=
agnostic testing in UL between 1998 and 2008 highlighted a steady decline i=
n students=E2=80=99 basic mathematical competency levels on entry to third =
level education. This data was also used to explore the role of prior mathe=
matics achievement in predicting performance in third level mathematics (Fa=
ulkner et al 2010). Later examinations of the diagnostic test data, between=
 2003 and 2013, found that the proportion of students tested that are predi=
cted to be at risk of failing their service mathematics end-of-semester exa=
minations had continued to increased. Furthermore, when students=E2=80=99 p=
erformance in secondary level mathematics was controlled, it was determined=
 that the performance of beginning undergraduates in 2013 was statistically=
 significantly below that of the performance of the beginning undergraduate=
s recorded 10 years previously (Treacy and Faulkner 2015). =C2=A0 This research also examines the declining standard in bas=
ic mathematics skills in light of curriculum changes in second level educat=
ion (Treacy, Faulkner and Prendergast 2016).=C2=A0

=

Date: Wednesday 14=
th March=C2=A0  3:30pm
<=
br>Location: Nursing Building (H Building) Room HG23
https://www.dcu.ie/info/c=
ampus.shtml

<=
div style=3D"font-weight:400;color:rgb(34,34,34);background-color:rgb(255,2=
55,255);font-size:12.8px">All welcome. Tea/coffee/biscuits served in the se=
minar room at 3:15pm.

Cheers,
Peter.
<=
/div>
=

--=C2=A0
Dr. Peter Taylor
Assistant ProfessorCenter for Astrophysics and Relativity=
School of Mathematical Scienc=
es
Dublin City Universi=
ty.
www.taylorexpansion.net

S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.

--f403043ef80cfab58e05674ab4fe--

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Message-ID:  
Date:         Tue, 13 Mar 2018 14:55:57 +0000
Reply-To:     "Hurley, Ted" 
Sender:       UCD Maths Department Distribution List 
From:         "Hurley, Ted" 
Subject: maths: Everybody needs maths ...
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I know some people on this list -- including myself! -- have written on this topic previously. This article below in particular has some nice things to say and use/quote.   It was written by reference to UK Maths/LMS but is very general: why `Everyone needs maths ..'. . 

http://www.sciencecampaign.org.uk/news-media/guest-blog/everybody-needs-mathematics.html

Ted

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 14 13:34:48 2018
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Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: MATHS: MACSI Seminar:  Time-varying network approach in social dynamics: data-driven and analytical modelling, Tuesday 20th March UL
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Content::

Note: Seminar will take place on Tuesday 20th March, at 2p.m, in  Room A2-0=
02.

MACSI

The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by  Dr Michele Starnini, Universitat de Barcelona

Title:   Time-varying network approach in social dynamics: data-driven and =
analytical modelling

Abstract: The temporal dimension of social systems is fundamental in shapin=
g the topological properties of the corresponding networked representation,=
 and it deeply impacts the behaviour of dynamical processes running on top =
of them, such as epidemic spreading or information diffusion. In this talk =
I will give an overview of some recent works addressing the role of the tem=
poral dimension in social network modelling. First, I will focus on a data-=
driven approach, by considering empirical face-to-face interaction networks=
, recorded in different social gatherings. I will present a simple model, b=
ased on the social attractiveness of individuals, able to quantitatively re=
produce most statistical features of these human contact networks. The impo=
rtance of the network's dynamics will be also illustrated by analysing the =
behaviour of simple diffusion processes on top of empirical time-varying ne=
tworks. The case of social networks formed by multiple layers, representing=
 different kinds of social interactions, is particularly interesting in ord=
er to show the effects of temporal correlations between layers on coupled s=
preading processes. Finally, I will briefly present an analytical approach =
in modelling the bursty nature of human dynamics. I will focus on two examp=
les: temporal network modelling that incorporates the burstiness of social =
interactions, and the Non-Markovian dynamics of epidemic spreading processe=
s. Our contributions in social dynamics modelling shed light on the tempora=
l features of human interactions, and it will be of interest to researchers=
 in the broad field of time-evolving complex systems.

This seminar will take place on Tuesday 20thMarch , at 2p.m, in  Room A2-00=
2.

If you have any questions regarding this seminar, please direct them to Iai=
n Moyles (061 233726, iain.moyles ul.ie).
A full list of upcoming seminars can be found at http://www.ulsites.ul.ie/m=
acsi/node/48011

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the m=
athematical modelling and solution of problems which arise in science, engi=
neering and industry in Ireland.

e-mail peg.hanrahan ul.ie

--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F93360521exMbx3ulcampus_
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Content::

Note: Seminar
will take place on Tuesday 20^th
 March, at 2p.m, in  Room A2-002.

MACSI=

The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by  Dr
 Michele Starnini, Universitat de Barcelona      

Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE">  
Time-varying network approach in social dynamics: da=
ta-driven and analytical modelling 

Abstract:
The temporal dimension of social systems is fundamen=
tal in shaping the topological properties of the corresponding networked re=
presentation, and it deeply impacts the behaviour
 of dynamical processes running on top of them, such as epidemic spreading =
or information diffusion. In this talk I will give an overview of some rece=
nt works addressing the role of the temporal dimension in social network mo=
delling. First, I will focus on
 a data-driven approach, by considering empirical face-to-face interaction =
networks, recorded in different social gatherings. I will present a simple =
model, based on the social attractiveness of individuals, able to quantitat=
ively reproduce most statistical
 features of these human contact networks. The importance of the network's =
dynamics will be also illustrated by analysing the behaviour of simple diff=
usion processes on top of empirical time-varying networks. The case of soci=
al networks formed by multiple layers,
 representing different kinds of social interactions, is particularly inter=
esting in order to show the effects of temporal correlations between layers=
 on coupled spreading processes. Finally, I will briefly present an analyti=
cal approach in modelling the bursty
 nature of human dynamics. I will focus on two examples: temporal network m=
odelling that incorporates the burstiness of social interactions, and the N=
on-Markovian dynamics of epidemic spreading processes. Our contributions in=
 social dynamics modelling shed
 light on the temporal features of human interactions, and it will be of in=
terest to researchers in the broad field of time-evolving complex systems.<=
/span>

This seminar will take place
 on Tuesday 20thMarch , at 2p.m, in  Room A2-002.

If you have any questions regarding th=
is seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011

--------------------------------------=
--------------------------------------
Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.

e-mail peg.hanrahan ul.ie

--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F93360521exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 14 16:53:20 2018
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Subject: maths: Analysis seminar 20/3
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                    ANALYSIS SEMINAR

Tuesday 20th March, 2018  at 4.00pm  (place: UCD  Science North 125 )

Speaker: P. Mellon 
Title: Holomorphic dynamics on bounded symmetric domains 

Abstract
The open unit ball, $B$, of a Banach space is homogeneous if given
any two points $z,w$ in $B$, there is a biholomorphic map sending
$z$ to $w$. Such balls classify the bounded symmetric domains,
include many classical spaces and ensure a Jordan structure on the
underlying space. Let $f:B\mapsto B$ be a holomorphic fixed-point
free map. The behaviour of the sequence of iterates, $f^n=f\circ
f^{n-1}$, of $f$ is the subject of much study since the Wolff Denjoy
results for the complex disc $\Delta $ in 1926. Generally, in
infinite dimensions,  $(f^n)$ does not converge, even in the Hilbert
space case. Our work therefore seeks to establish the 'location'
of accumulations points of $(f^n)$, with respect to the topology
of local uniform convergence on $B$.

This seminar will present results in this direction, using a recently
proved Wolff type theorem for infinite dimensional bounded symmetric
domains. 

========================

Tuesday 27th March  at 3:00pm  (place: UCD  Science North 125 )

Speaker: M. Ghergu 
Title: Isolated singularities for semilinear elliptic systems with power-law nonlinearity 

Abstract
We discuss the behaviour around isolated singularity for
nonnegative solutions of semilinear elliptic systems. Unlike the standard
methods available in the literature which rely on moving plane methods, we
apply several tools that pertain to free boundary problems in order to
pursue our investigation.

This talk is based on a joint work with Sunghan Kim (National University
Seoul, South Korea) and Henrik Shahgholian (KTH Stockholm). 

Tuesday 27th March  at 4:15pm  (place: UCD  Science North 125 )

Speaker: C. Boyd 
Title:  

______________________________
C. Boyd , R. Timoney .

webpage:
http://www.maths.tcd.ie/~richardt/analysis/

Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: P. Mellon  will speak on
::  Holomorphic dynamics on bounded symmetric domains 
date-time:: Tuesday 20th March, 2018  at 4.00pm 
location:: UCD  Science North 125 
endevent::

title:: ANALYSIS SEMINAR
content:: M. Ghergu  will speak on
::  Isolated singularities for semilinear elliptic systems with power-law nonlinearity 
date-time:: Tuesday 27th March  at 3:00pm 
location:: UCD  Science North 125 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 15 18:37:22 2018
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Date:         Thu, 15 Mar 2018 18:37:04 +0000
Reply-To:     eoldham 
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From:         eoldham 
Subject: Re: maths: Everybody needs maths ...
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Interesting!

Definitely good stuff, but a bit over-focused on the economy, rather 
than intrinsic and cultural value?  Or is it just that the article is 
catering for a specific audience?

Elizabeth.

On 2018-03-13 14:55, Hurley, Ted wrote:
> I know some people on this list -- including myself! -- have written
> on this topic previously. This article below in particular has some
> nice things to say and use/quote.   It was written by reference to UK
> Maths/LMS but is very general: why `Everyone needs maths ..'. .
> 
> http://www.sciencecampaign.org.uk/news-media/guest-blog/everybody-needs-mathematics.html
> 
> 
> Ted
> 
> For more about the MATHDEP list access http://maths.ucd.ie/mathdep
> To change your mathdep preference, access 
> https://maths.ucd.ie/mathdepchange

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Date:         Thu, 15 Mar 2018 19:21:42 +0000
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From:         John Regan 
Subject: maths: CfAR Seminar, Wednesday 21st March   15.00
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Centre for Astrophysics & Relativity

www.cfar.ie

Speaker: *Dr. Donna Rodgers-Lee, University of Hertfordshire*

Title:****The extreme physical conditions of protoplanetary disks:=20
magnetic fields and low energy cosmic rays**
** **

Abstract: //
/Protoplanetary disks, the birthplace of planets, have been the focus of=20
much research in recent years since the first light of the Atacama Large=20
Millimeter Array. One of the main focuses of protoplanetary disk studies=20
is to investigate the mechanism responsible for angular momentum=20
transport which allows accretion onto the young star to occur. While the=20
magnetorotational instability is thought to operate in certain regions=20
of protoplanetary disks, which can facilitate the transport of angular=20
momentum, a more global view including non-ideal magnetohydrodynamic=20
simulations is still missing. The simulations I will discuss initially=20
are some of the first to study the global nature of protoplanetary disks=20
including all three non-ideal effects in a region where the Hall effect=20
is dominant. I will show how our results using a multifluid approach are=20
comparable with those of the single fluid approximation but also point=20
out some important differences./*/

Date: Wednesday 21st /March//**//**/  1/**/5.00. Tea/Coffee will be=20
served in HG23 from 14.45. /*/

/Location: Lonsdale Building (X Building) Room HG23
https://www.dcu.ie/info/campus.shtml

Cheers,
John

--=20

*S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s=
eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=
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dh a l=C3=A9amh anseo.  =
This e-mail and any files transmitted with it are confidential and are inte=
nded solely for use by the addressee. Read more here. *

--=20

 =20
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--------------83C4224B84623A18CE4EB214
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    Centre
          for Astrophysics & Relativity 

      www.cfar.ie

      Speaker: Dr. Donna Rodgers-Lee, University
            of Hertfordshire 
      Title: The extreme physical conditions of
                  protoplanetary disks: magnetic fields and low energy
                  cosmic rays 

      Abstract: 

      Protoplanetary disks, the birthplace of planets, have been the
        focus of much research in recent years since the first light of
        the Atacama Large Millimeter Array. One of the main focuses of
        protoplanetary disk studies is to investigate the mechanism
        responsible for angular momentum transport which allows
        accretion onto the young star to occur. While the
        magnetorotational instability is thought to operate in certain
        regions of protoplanetary disks, which can facilitate the
        transport of angular momentum, a more global view including
        non-ideal magnetohydrodynamic simulations is still missing. The
        simulations I will discuss initially are some of the first to
        study the global nature of protoplanetary disks including all
        three non-ideal effects in a region where the Hall effect is
        dominant. I will show how our results using a multifluid
        approach are comparable with those of the single fluid
        approximation but also point out some important differences.=

            Date: Wednesday 21st March   15.00.
            Tea/Coffee will be served in HG23 from 14.45. 

          Location: Lonsdale Building
        (X Building) Room HG23

        https://www.dcu.ie/info/campus.shtml=

        Cheers,

        John 

S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
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--------------83C4224B84623A18CE4EB214--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 16 09:51:05 2018
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Subject: maths: DUBLIN THEORETICAL PHYSICS COLLOQUIUM
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Dublin Theoretical Physics Colloquium

Time: Wednesday, 21th of March at 16:00 p.m.

Location: Synge Lecture Theatre, Westland Row, Trinity College Dublin.

Speaker: Pietro Longhi (Uppsala)

Title: "BPS Graphs of Class S Theories"
=20
Abstract:=20
BPS quivers and Spectral Networks are two powerful tools for computing =
BPS spectra in 4d N=3D2 theories. On the Coulomb branches of these =
theories, the BPS spectrum is well-defined only away from walls of =
marginal stability, where wall-crossing phenomena take place. =
Surprisingly, while BPS spectra are ill-defined, there is a lot of =
information hidden in spectral networks at maximal intersections of MS =
walls. In this talk I will describe how they give rise to BPS graphs, =
and how the relation of the latter to BPS quivers emerges naturally. I =
will also present a novel construction of the wall-crossing invariant of =
Kontsevich and Soibelman, a.k.a the BPS monodromy, based entirely on =
topological data of BPS graphs, and derived by wall-crossing in presence =
of surface defects.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Future speakers:  =20
28th of March   Constantin Bachas
4th of April  Giuseppe Policastro
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: Dublin Theoretical Physics Colloquium
content:: Pietro Longhi will speak on =20
:: BPS Graphs of Class S Theories
date-time::  Wednesday the 21th of March at 16:00pm
location:: Synge Lecture Theatre, School of Mathematics, Trinity College =
Dublin
endevent::=

--Apple-Mail=_DB697B78-5733-4A6C-BD80-3FA7B8ECD726
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	charset=us-ascii

Dublin Theoretical Physics Colloquium

Time: Wednesday, 21th =
of March at 16:00 p.m.

Location: Synge =
Lecture Theatre, Westland Row, Trinity College Dublin.

Speaker: Pietro Longhi (Uppsala)

Title: "BPS Graphs of Class S =
Theories"<=
/div>

Abstract: 
BPS=
 quivers and Spectral Networks are two powerful tools for computing BPS =
spectra in 4d N=3D2 theories. On the Coulomb branches of these theories, =
the BPS spectrum is well-defined only away from walls of marginal =
stability, where wall-crossing phenomena take place. Surprisingly, while BPS spectra =
are ill-defined, there is a lot of information hidden in spectral =
networks at maximal intersections of MS walls. In this talk I will =
describe how they give rise to BPS graphs, and how the relation of the =
latter to BPS quivers emerges naturally. I will also present a novel =
construction of the wall-crossing invariant of Kontsevich and Soibelman, =
a.k.a the BPS monodromy, based entirely on topological data of BPS =
graphs, and derived by wall-crossing in presence of surface =
defects.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
Future =
speakers:   
<=
/blockquote>28th of March   Constantin =
Bachas
4th of April =
 Giuseppe =
Policastro
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: Dublin =
Theoretical Physics Colloquium
content:: Pietro =
Longhi will speak on =

:: BPS Graphs of Class =
S =
Theories=
date-time::  Wednesday =
the 21th of March at =
16:00pm
=
location:: Synge =
Lecture Theatre, School of Mathematics, Trinity College Dublin
endevent::=
=

--Apple-Mail=_DB697B78-5733-4A6C-BD80-3FA7B8ECD726--

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Date:         Fri, 16 Mar 2018 15:21:44 +0000
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Subject: maths: UCC Applied Mathematics Seminar, Thursday 22 March
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Dear Colleagues,

All are welcome at the following seminar:

UCC Applied Mathematics Seminar

Speaker: Ton van den Bremer (University of Oxford)

Time and location: 12pm, Thursday 22 March, WGB G02

Title: The wave-induced flow of internal gravity wavepackets with arbitrary=
 aspect ratio

Abstract: We examine the wave-induced flow of small-amplitude, quasi-monoch=
romatic, three-dimensional, Boussinesq internal gravity wavepackets in a un=
iformly stratified ambient. It has been known since Bretherton (1969) that =
one-, two- and three-dimensional wavepackets induce qualitatively different=
 flows. Whereas the wave-induced mean flow for compact three-dimensional wa=
vepackets consists of a purely horizontal localized circulation that transl=
ates with and around the wavepacket, known as the Bretherton flow, such a f=
low is prohibited for a two-dimensional wavepacket of infinite spanwise ext=
ent, which instead induces a non-local internal wave response that is long =
compared with the streamwise extent of the wavepacket. One-dimensional (hor=
izontally periodic) wavepackets induce a horizontal, non-divergent unidirec=
tional flow. Through perturbation theory for quasi-monochromatic wavepacket=
s of arbitrary aspect ratio, we predict for which aspect ratios which type =
of induced mean flow dominates.

****************************

Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 22 March AT 12pm
location:: WGB G02
content:: Ton van den Bremer

:: (University of Oxford)
:: presents a talk entitled
:: "The wave-induced flow of internal gravity wavepackets with arbitrary as=
pect ratio"
endevent::

_____________________

Dr. David Henry
Lecturer in Applied Mathematics
School of Mathematical Sciences
University College Cork
Ireland

+353-21 420 5861

--_000_DB3PR02MB0281E7EA9E2BB0385D305A548FD70DB3PR02MB0281eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Dear Colleagues,

All are welcome at the following seminar:

UCC Applied Mathematics Seminar 

Speaker: =
Ton
 van den Bremer (University of Oxford)<=
/span>

Time and location: 12pm, Thursday 22 March, WGB G02

Title: =
The=
 wave-induced flow of internal gravity wavepackets with arbitrary aspect ra=
tio

Abstract: We examine the wave-induced flow of small-amplitude,=
 quasi-monochromatic, three-dimensional, Boussinesq internal gravity wavepa=
ckets in a uniformly stratified ambient. It has been known since Bretherton=
 (1969) that one-, two- and three-dimensional
 wavepackets induce qualitatively different flows. Whereas the wave-induced=
 mean flow for compact three-dimensional wavepackets consists of a purely h=
orizontal localized circulation that translates with and around the wavepac=
ket, known as the Bretherton flow,
 such a flow is prohibited for a two-dimensional wavepacket of infinite spa=
nwise extent, which instead induces a non-local internal wave response that=
 is long compared with the streamwise extent of the wavepacket. One-dimensi=
onal (horizontally periodic) wavepackets
 induce a horizontal, non-divergent unidirectional flow. Through perturbati=
on theory for quasi-monochromatic wavepackets of arbitrary aspect ratio, we=
 predict for which aspect ratios which type of induced mean flow dominates.=

=

****************************

<=
span style=3D"font-size:16px">Lines
 for mathdep calendar:

title:: UCC 
Applied 
Maths 
Seminar

date-time:: Thursday 22 March AT 12pm

location:: WGB G02

content:: Ton van den Bremer

<=
/span>

:: <=
font size=3D"2" face=3D"Times New Roman">(University
 of Oxford)<=
/font>
<=
span style=3D"font-size:10pt"><=
/span>=
=
=
=
=
<=
/span><=
span style=3D"font-size:10pt"><=
/font><=
span style=3D"font-size:10pt">=
=
=
<=
span style=3D"font-size:10pt"><=
/font><=
span style=3D"font-size:10pt">=
=
=
<=
span style=3D"font-size:10pt"><=
/font><=
span style=3D"font-size:10pt">=
=
=
<=
span style=3D"font-size:10pt"><=
/span><=
span style=3D"font-size:16px"><=
font size=3D"2" face=3D"Times New Roman">::
 presents a talk entitled

:: "<=
/font><=
span>The
 wave-induced flow of internal gravity wavepackets with arbitrary aspect ra=
tio"

<=
span style=3D"font-size:10pt">ende=
vent::

<=
/font>

_____________________

Dr. David Henry

Lecturer in Applied Mathematics

School of Mathematical Sciences

University College Cork

Ireland

+353-21 420 5861

--_000_DB3PR02MB0281E7EA9E2BB0385D305A548FD70DB3PR02MB0281eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 16 18:30:14 2018
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Date:         Fri, 16 Mar 2018 18:29:55 +0000
Reply-To:     "Dendrinos, Spyridon" 
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Dear Colleagues,

You are all welcome to the following seminar:

UCC Mathematics Seminar

Time and location: 4-5pm, Tuesday 20 March, WGB G08

Speaker: Hiroaki Aikawa (Hokkaido University)

Title: Global integrability of superharmonic functions and supertemperature=
s

Abstract:

Ever since Armitage showed, in 1972, that a nonnegative superharmonic funct=
ion on a bounded smooth domain in $R^n$ is $L^p$-integrable up to the bound=
ary, provided $0

Dear Colleagues,

You are all welcome to the f=
ollowing seminar:

UCC Mathematics Seminar

Time and location:
4-5pm, Tuesday 20 March, WGB=
 G08

Speaker: Hiroaki Aikawa (Hokkaido
 University)

Title:
Global
 integrability of superharmonic functions and supertemperatures

Abstract:

Ev=
er since Armitage showed, in 1972, that a nonnegative superharmonic functio=
n on a bounded smooth domain in $R^n$ is $L^p$-integrable
 up to the boundary, provided $0<p<n/(n-1)$, the global integrability=
 of nonnegative supersolutions has attracted many mathematicians.

In this talk we consider a parabolic count=
erpart.  We study the global integrability of nonnegative supertempera=
tures on the cylinder $D\times(0,T)$.  We show that the integrability =
depends on the lower estimate of the Green function
 for the Dirichlet Laplacian on $D$.

In particular, if $D$ is a bounded $C^1$-d=
omain, then every nonnegative supertemperature on $D\times(0,T)$ is $L^p$-i=
ntegrable over $D\times(0,T')$ for any $0<T'<T$, provided $0<p<=
(n+2)/(n+1)$. The bound $(n+2)/(n+1)$ is sharp.

Joint work with Hara and Hirata.

Best regards,

Sp=
yros Dendrinos

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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 19 00:36:11 2018
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Date:         Mon, 19 Mar 2018 00:35:44 +0000
Reply-To:     Fabio Deelan Cunden 
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From:         Fabio Deelan Cunden 
Subject: maths: UCD Probability Seminar
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UCD Probability Seminar

Speaker:   Gregory Schehr (Orsay)

Title:   Large deviations for non-interacting trapped fermions

Date:    Wednesday, 21st March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  I will consider the (quantum) spatial fluctuations of N =
non-interacting fermions in an isotropic d-dimensional trapping =
potential at zero temperature, with a special focus on hard potentials. =
I will study the maximal radial distance, $r_{\max}$, of the fermions =
from the trap center and focus on the large deviations of $r_{\max}$ =
away from its typical position, both to the right (right tail) and to =
the left (left tail). In $d=3D1$, this question can be studied, in =
several cases, thanks to an exact mapping to random matrix models, where =
such large deviations regimes have been well studied in the recent past. =
I will show that in $d>1$ the large deviation regime to the left =
exhibits a quite unusual, and rather universal, intermediate regime. =
This intermediate regime can be studied in detail using the tools of =
determinantal point processes.

All are welcome.

Best wishes,
Fabio

%%%%%%%%%%

Upcoming seminars:=20
https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ =
=20=

http://www.maths.ucd.ie/~noconnell/seminars1718.html =

%%%%%%%%%%

title:: UCD Probability Seminar
content:: Gregory Schehr (Orsay) will speak on
:: Large deviations for non-interacting trapped fermions
date-time::   Wednesday, 21st March 2018 at 2:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::=

--Apple-Mail=_796A2A09-ED33-4587-8D18-D2B0F89347A1
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Content-Type: text/html;
	charset=us-ascii

UCD Probability Seminar

Speaker:   Gregory Schehr (Orsay)
Title:   Large deviations for non-interacting =
trapped fermions

Date: =
   Wednesday, 21st March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK =
Lab)

Abstract:  I will consider the =
(quantum) spatial fluctuations of N non-interacting fermions in an =
isotropic d-dimensional trapping potential at zero temperature, with a =
special focus on hard potentials. I will study the maximal radial =
distance, $r_{\max}$, of the fermions from the trap center and focus on =
the large deviations of $r_{\max}$ away from its typical position, both =
to the right (right tail) and to the left (left tail). In $d=3D1$, this =
question can be studied, in several cases, thanks to an exact mapping to =
random matrix models, where such large deviations regimes have been well =
studied in the recent past. I will show that in $d>1$ the large =
deviation regime to the left exhibits a quite unusual, and rather =
universal, intermediate regime. This intermediate regime can be studied =
in detail using the tools of determinantal point processes.

All are welcome.

Best wishes,
Fabio
%%%%%%%%%%

Upcoming =
seminars: 
https://www.ucd.ie/mathstat/research/seminars/probabilitysemina=
rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html<=
div class=3D"">
%%%%%%%%%%

title:: UCD Probability =
Seminar
content:: Gregory Schehr (Orsay) will =
speak on
:: Large deviations for non-interacting =
trapped fermions
date-time::   Wednesday, 21st =
March 2018 at 2:00pm
location:: UCD, 125 Science =
North (JK Lab)
endevent::
=

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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 19 09:28:31 2018
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Subject: maths: Theoretical Physics Seminar - TCD - 22 March
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--------------066B646F3901D876C3C2A020
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TCD THEORETICAL PHYSICS SEMINAR

Thursday, 22 March 2018, 2:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Tim Adamo (Imperial)

Title: Double copy in plane wave backgrounds

Abstract: The double copy is a method for constructing scattering 
amplitudes in gravity from scattering amplitudes in gauge theory, 
perturbatively around Minkowski space. This method has been very useful 
in the study of perturbative supergravity at high loop orders, and even 
has a catchy slogan: Gravity = (Gauge theory)^2. However, it is not 
known if the double copy is an intrinsic feature of gauge theory and 
gravity as perturbative QFTs or just a (highly effective) trick that 
happens to work in Minkowski space. In this talk I will describe how the 
robustness of the double copy can be tested by considering the simplest 
scattering amplitudes in the simplest non-flat backgrounds; namely, 
3-point amplitudes on plane wave backgrounds. Despite various subtleties 
introduced by the non-trivial scattering background, it is clear that a 
notion of double copy does indeed exist.

All are welcome.

=====================

title:: TCD Theoretical Physics Seminar
content::Tim Adamo (Imperial)
::Double copy in plane wave backgrounds::
date-time:: 22 March 2018 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::

--------------066B646F3901D876C3C2A020
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    TCD THEORETICAL PHYSICS SEMINAR

      Thursday, 22 March 2018, 2:00 pm

      Seminar Room, House 20

      School of Mathematics 

      Trinity College Dublin

      Speaker: Tim Adamo (Imperial)

      Title: Double copy in plane wave backgrounds

        Abstract: The double copy is a method for constructing
        scattering amplitudes in gravity from scattering amplitudes in
        gauge theory, perturbatively around Minkowski space. This method
        has been very useful in the study of perturbative supergravity
        at high loop orders, and even has a catchy slogan: Gravity =
        (Gauge theory)^2. However, it is not known if the double copy is
        an intrinsic feature of gauge theory and gravity as perturbative
        QFTs or just a (highly effective) trick that happens to work in
        Minkowski space. In this talk I will describe how the robustness
        of the double copy can be tested by considering the simplest
        scattering amplitudes in the simplest non-flat backgrounds;
        namely, 3-point amplitudes on plane wave backgrounds. Despite
        various subtleties introduced by the non-trivial scattering
        background, it is clear that a notion of double copy does indeed
        exist.

      All are welcome.

      =====================

      title:: TCD Theoretical Physics Seminar

      content::Tim Adamo (Imperial)

      ::Double copy in plane wave backgrounds::
    date-time:: 22 March 2018 at 2:00 pm

      location::Seminar Room House 20, TCD

      endevent::

--------------066B646F3901D876C3C2A020--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 19 10:11:16 2018
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Date:         Mon, 19 Mar 2018 10:10:58 +0000
Reply-To:     Tristan Mc Loughlin 
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From:         Tristan Mc Loughlin 
Subject: maths: Higher-point correlation functions and integrable AdS/CFT , April 16th-20th 2018
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Dear Colleague,

I am writing to draw your attention to the HMI Workshop on higher-point 
correlation functions and integrable AdS/CFT that we are
hosting in Trinity College Dublin this April 16th to 20th.

Confirmed Speakers include:
Zoltan Bajnok, Wigner Research Center for Physics, Hungary
Benjanmin Basso, LPTENS, Paris, France
João Caetano, LPTENS, Paris, France
Nikolay Gromov, Kings College, London, UK
Paul Heslop, Univ. Durham, UK
Ivan Kostov, IPhT-Saclay, France
Charlotte Kristjansen, NBI, Denmark
Balázs Pozsgay, MTA-BME, Hungary
Xinan Zhou, Stonybrook, USA

Further information can be found at

www.maths.tcd.ie/~tristan/HMI2018/

There is no fee but we ask interested participants to register via the 
above link.

Best wishes,

Tristan McLoughlin

(On behalf of the organisers)

title:: HMI Workshop
content:: www.maths.tcd.ie/~tristan/HMI2018/
date-time:: 16th April 2018 at 10:30am
location:: Hamilton Building, Trinity College Dublin
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 19 21:35:29 2018
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Date:         Mon, 19 Mar 2018 21:34:54 +0000
Reply-To:     Niels Warburton 
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Subject: Maths: UCD PhD Opportunities in Gravitational-Wave Source Modeling
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Dear Colleagues,

I have funding for two PhD positions in gravitational-wave source modeling and I would be grateful if you would forward this to any students who might be interested. The projects will focus on modeling gravitational-wave emission from extreme mass-ratio binaries using black hole perturbation theory. Modeling these binaries is a multi-faceting problem involving a combination of analytic and numerical work and there is wide scope for the student to choose the direction and emphasis of their research.

Interested candidates can contact me at this address (niels.warburton ucd.ie) or via the advert at https://t.co/ZbZK1Tes9K.

Regards,
Niels Warburton
Royal Society - Science Foundation Ireland University Research Fellow
University College Dublin

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 20 09:07:08 2018
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From:         Fabio Deelan Cunden 
Subject: maths: Tomorrow UCD Probability Seminar
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A reminder. All are welcome.

Best wishes
Fabio

%%%%%%%%%%

UCD Probability Seminar

Speaker:   Gregory Schehr (Orsay)

Title:   Large deviations for non-interacting trapped fermions

Date:    Wednesday, 21st March 2018

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  I will consider the (quantum) spatial fluctuations of N =
non-interacting fermions in an isotropic d-dimensional trapping =
potential at zero temperature, with a special focus on hard potentials. =
I will study the maximal radial distance, $r_{\max}$, of the fermions =
from the trap center and focus on the large deviations of $r_{\max}$ =
away from its typical position, both to the right (right tail) and to =
the left (left tail). In $d=3D1$, this question can be studied, in =
several cases, thanks to an exact mapping to random matrix models, where =
such large deviations regimes have been well studied in the recent past. =
I will show that in $d>1$ the large deviation regime to the left =
exhibits a quite unusual, and rather universal, intermediate regime. =
This intermediate regime can be studied in detail using the tools of =
determinantal point processes.

Upcoming seminars:=20
https://www.ucd.ie/mathstat/research/seminars/probabilityseminars1718/ =
=20=

http://www.maths.ucd.ie/~noconnell/seminars1718.html =

%%%%%%%%%%=

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A =
reminder. All are welcome.

Best wishes
Fabio
%%%%%%%%%%

UCD Probability =
Seminar

Speaker:   Gregory =
Schehr (Orsay)

Title: =
  Large deviations for non-interacting trapped fermions

Date:    Wednesday, 21st March =
2018

Time:    2pm

Location:    UCD, 125 Science =
North (JK Lab)

Abstract:  I will =
consider the (quantum) spatial fluctuations of N non-interacting =
fermions in an isotropic d-dimensional trapping potential at zero =
temperature, with a special focus on hard potentials. I will study the =
maximal radial distance, $r_{\max}$, of the fermions from the trap =
center and focus on the large deviations of $r_{\max}$ away from its =
typical position, both to the right (right tail) and to the left (left =
tail). In $d=3D1$, this question can be studied, in several cases, =
thanks to an exact mapping to random matrix models, where such large =
deviations regimes have been well studied in the recent past. I will =
show that in $d>1$ the large deviation regime to the left exhibits a =
quite unusual, and rather universal, intermediate regime. This =
intermediate regime can be studied in detail using the tools of =
determinantal point processes.

Upcoming seminars: 
https://www.ucd.ie/mathstat/research/seminars/probabilitysemina=
rs1718/ 
http://www.maths.ucd.ie/~noconnell/seminars1718.html<=
div class=3D"">
%%%%%%%%%%
=

--Apple-Mail=_CD3CF557-5B16-4794-B3E7-34E1D191846F--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 20 11:16:37 2018
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Date:         Tue, 20 Mar 2018 11:16:15 +0000
Reply-To:     Robert Osburn 
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From:         Robert Osburn 
Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Anna Haensch (Duquesne University and MPIM)

Title: Spinor regular ternary quadratic forms

Abstract: It is well known that there is no direct integral analogue to Hasse’s local-global principle.  An integral lattice which satisfies a local-global principle (that is, a lattice that represents everything globally which is represented locally at every prime) is called regular.  Extending this notion of regularity introduced by Dickson in 1939, a positive definite ternary integral quadratic form is said to be spinor regular if it represents all the positive integers represented by its spinor genus (that is, all positive integers represented by any form in its spinor genus). Jagy conducted an extensive computer search for primitive ternary quadratic forms that are spinor regular, but not regular, resulting in a list of 29 such forms. In this talk, I will discuss recent work with A. G. Earnest in which we verify the completeness of this list.

Date: Thursday, March 29, 2018
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Anna Haensch (Duquesne University and MPIM) will speak on
:: Spinor regular ternary quadratic forms
date-time:: Thursday, March 29, 2018 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

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Date:         Wed, 21 Mar 2018 09:43:11 +0000
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From:         Jan Manschot 
Subject: maths: TODAY DUBLIN THEORETICAL PHYSICS COLLOQUIUM
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> Dublin Theoretical Physics Colloquium
>=20
> Time: Wednesday, 21th of March at 16:00 p.m.
>=20
> Location: Synge Lecture Theatre, Westland Row, Trinity College Dublin.
>=20
> Speaker: Pietro Longhi (Uppsala)
>=20
> Title: "BPS Graphs of Class S Theories"
> =20
> Abstract:=20
> BPS quivers and Spectral Networks are two powerful tools for computing =
BPS spectra in 4d N=3D2 theories. On the Coulomb branches of these =
theories, the BPS spectrum is well-defined only away from walls of =
marginal stability, where wall-crossing phenomena take place. =
Surprisingly, while BPS spectra are ill-defined, there is a lot of =
information hidden in spectral networks at maximal intersections of MS =
walls. In this talk I will describe how they give rise to BPS graphs, =
and how the relation of the latter to BPS quivers emerges naturally. I =
will also present a novel construction of the wall-crossing invariant of =
Kontsevich and Soibelman, a.k.a the BPS monodromy, based entirely on =
topological data of BPS graphs, and derived by wall-crossing in presence =
of surface defects.
>=20
>=20
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> Future speakers:  =20
> 28th of March   Constantin Bachas
> 4th of April  Giuseppe Policastro
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>=20
>=20
>=20
>=20
> title:: Dublin Theoretical Physics Colloquium
> content:: Pietro Longhi will speak on =20
> :: BPS Graphs of Class S Theories
> date-time::  Wednesday the 21th of March at 16:00pm
> location:: Synge Lecture Theatre, School of Mathematics, Trinity =
College Dublin
> endevent::

--Apple-Mail=_8725FD65-AC90-4E26-9DB6-A16D9233BD70
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	charset=us-ascii

Dublin Theoretical Physics Colloquium

Time: Wednesday, 21th =
of March at 16:00 p.m.

Location: Synge =
Lecture Theatre, Westland Row, Trinity College Dublin.

Speaker: Pietro Longhi (Uppsala)

Title: "BPS Graphs of Class S =
Theories"<=
/div>

Abstract: 
BPS=
 quivers and Spectral Networks are two powerful tools for computing BPS =
spectra in 4d N=3D2 theories. On the Coulomb branches of these theories, =
the BPS spectrum is well-defined only away from walls of marginal =
stability, where wall-crossing phenomena take place. Surprisingly, while BPS spectra =
are ill-defined, there is a lot of information hidden in spectral =
networks at maximal intersections of MS walls. In this talk I will =
describe how they give rise to BPS graphs, and how the relation of the =
latter to BPS quivers emerges naturally. I will also present a novel =
construction of the wall-crossing invariant of Kontsevich and Soibelman, =
a.k.a the BPS monodromy, based entirely on topological data of BPS =
graphs, and derived by wall-crossing in presence of surface =
defects.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
Future =
speakers:   <=
/blockquote>28th of March   Constantin =
Bachas
4th of April =
 Giuseppe =
Policastro
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: Dublin =
Theoretical Physics Colloquium
content:: Pietro =
Longhi will speak on =

:: BPS Graphs of Class =
S =
Theories=
date-time::  Wednesday =
the 21th of March at =
16:00pm=
location:: Synge =
Lecture Theatre, School of Mathematics, Trinity College Dublin
endevent::=

=

--Apple-Mail=_8725FD65-AC90-4E26-9DB6-A16D9233BD70--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 21 09:56:30 2018
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Date:         Wed, 21 Mar 2018 09:56:23 +0000
Reply-To:     "Neil O'Connell" 
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From:         "Neil O'Connell" 
Subject: maths: Workshop `Randomness and Symmetry=?utf-8?Q?=E2=80=99=2C_?=UCD, June 18-22, 2018.
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Dear colleagues,

This is a preliminary announcement for the workshop `Randomness and =
Symmetry=E2=80=99, to be held at University College Dublin, June 18-22, =
2018.

Confirmed speakers include - Elia Bisi (Warwick), Philippe Bougerol =
(Paris), Jeremie Bouttier (Saclay), Manon Defosseux (Paris), Persi =
Diaconis (Stanford), Nick Ercolani (Arizona), Jonathan Novak (San =
Diego), Satya Majumdar (Orsay), Dan Romik (Davis), Gregory Schehr =
(Orsay), Craig Tracy (Davis), Pierre Van Moerbeke (Leuven), Balint Virag =
(Toronto), Paul Zinn-Justin (Melbourne).

There is limited space available (and some funding for PhD students and =
young researchers) to participate in this workshop.  To apply / register =
your interest, please email randsym18 ucd.ie  =
before May 1, 2018.

Further details are available on the workshop web page

http://www.maths.ucd.ie/~noconnell/randsym18/main.html =

With best wishes, on behalf of the organisers,

Fabio Deelan Cunden
Antoine Dahlqvist
Neil O=E2=80=99Connell

title:: Workshop `Randomness and Symmetry'
content:: http://www.maths.ucd.ie/~noconnell/randsym18/main.html =

date-time::   June 18-22, 2018
location:: UCD, lecture room 129 Science North
endevent::=

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Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8

Dear =
colleagues,
This is =
a preliminary announcement for the workshop `Randomness and Symmetry=E2=80=
=99, to be held at University College Dublin, June 18-22, 2018.

Confirmed speakers include - Elia Bisi =
(Warwick), Philippe Bougerol (Paris), Jeremie Bouttier (Saclay), Manon =
Defosseux (Paris), Persi Diaconis (Stanford), Nick =
Ercolani (Arizona), Jonathan Novak (San Diego), Satya Majumdar =
(Orsay), Dan Romik (Davis), Gregory Schehr (Orsay), Craig Tracy (Davis), =
Pierre Van Moerbeke (Leuven), Balint Virag (Toronto), Paul =
Zinn-Justin (Melbourne).

There is limited =
space available (and some funding for PhD students and young =
researchers) to participate in this workshop.  To apply / register =
your interest, please email randsym18 ucd.ie before May 1, 2018.

Further details are available on the workshop =
web page

http://www.maths.ucd.ie/~noconnell/randsym18/main.html
With best wishes, on behalf of the =
organisers,

Fabio Deelan Cunden
Antoine Dahlqvist
Neil O=E2=80=99Connell

title:: Workshop =
`Randomness and Symmetry'
content:: http://www.maths.ucd.ie/~noconnell/randsym18/main.html
date-time::   June 18-22, 2018
location:: UCD, lecture room 129 Science North
endevent::
=

--Apple-Mail=_7B1C84E7-B954-469A-A782-E6A81143BD47--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 21 11:22:43 2018
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Date:         Wed, 21 Mar 2018 11:22:27 +0000
Reply-To:     "Richard M. Timoney" 
Sender:       UCD Maths Department Distribution List 
From:         "Richard M. Timoney" 
Subject: maths: Analysis seminars 27/3
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                    ANALYSIS SEMINAR

Tuesday 27th March  at 3:00pm  (place: UCD  Science North 125 )

Speaker: M. Ghergu 
Title: Isolated singularities for semilinear elliptic systems with power-law nonlinearity 

Abstract
We discuss the behaviour around isolated singularity for
nonnegative solutions of semilinear elliptic systems. Unlike the standard
methods available in the literature which rely on moving plane methods, we
apply several tools that pertain to free boundary problems in order to
pursue our investigation.

This talk is based on a joint work with Sunghan Kim (National University
Seoul, South Korea) and Henrik Shahgholian (KTH Stockholm). 

Tuesday 27th March  at 4:15pm  (place: UCD  Science North 125 )

Speaker: C. Boyd 
Title: Integral and Nuclear Polynomials on tree spaces 

Abstract
We examine the Radon-Nikodym Property and Asplundness, in particular
their connection to integral and nuclear mappings and polynomials.
We show that the structure given to us by tree spaces provides the
ideal setting to uncover the intricacies of the relationship between
integral and nuclear polynomials.
(This is joint work with C. Poulios and M. Venkova.) 

______________________________
C. Boyd , R. Timoney .

webpage:
http://www.maths.tcd.ie/~richardt/analysis/

Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: C. Boyd  will speak on
::  Integral and Nuclear Polynomials on tree spaces 
date-time:: Tuesday 27th March  at 4:15pm 
location:: UCD  Science North 125 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 22 08:32:39 2018
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Date:         Thu, 22 Mar 2018 08:32:18 +0000
Reply-To:     Tristan Mc Loughlin 
Sender:       UCD Maths Department Distribution List 
From:         Tristan Mc Loughlin 
Subject: maths: Theoretical Physics Seminar - TCD - 22 March
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This is a multi-part message in MIME format.
--------------A8CAB6EEE079E13B261B1634
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A reminder regarding todays

TCD THEORETICAL PHYSICS SEMINAR

Thursday, 22 March 2018, 2:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Tim Adamo (Imperial)

Title: Double copy in plane wave backgrounds

Abstract: The double copy is a method for constructing scattering 
amplitudes in gravity from scattering amplitudes in gauge theory, 
perturbatively around Minkowski space. This method has been very useful 
in the study of perturbative supergravity at high loop orders, and even 
has a catchy slogan: Gravity = (Gauge theory)^2. However, it is not 
known if the double copy is an intrinsic feature of gauge theory and 
gravity as perturbative QFTs or just a (highly effective) trick that 
happens to work in Minkowski space. In this talk I will describe how the 
robustness of the double copy can be tested by considering the simplest 
scattering amplitudes in the simplest non-flat backgrounds; namely, 
3-point amplitudes on plane wave backgrounds. Despite various subtleties 
introduced by the non-trivial scattering background, it is clear that a 
notion of double copy does indeed exist.

--------------A8CAB6EEE079E13B261B1634
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    A reminder regarding todays 

    TCD THEORETICAL PHYSICS SEMINAR

      Thursday, 22 March 2018, 2:00 pm

      Seminar Room, House 20

      School of Mathematics 

      Trinity College Dublin

      Speaker: Tim Adamo (Imperial)

      Title: Double copy in plane wave backgrounds

      Abstract: The double copy is a method for constructing
      scattering amplitudes in gravity from scattering amplitudes in
      gauge theory, perturbatively around Minkowski space. This method
      has been very useful in the study of perturbative supergravity at
      high loop orders, and even has a catchy slogan: Gravity = (Gauge
      theory)^2. However, it is not known if the double copy is an
      intrinsic feature of gauge theory and gravity as perturbative QFTs
      or just a (highly effective) trick that happens to work in
      Minkowski space. In this talk I will describe how the robustness
      of the double copy can be tested by considering the simplest
      scattering amplitudes in the simplest non-flat backgrounds;
      namely, 3-point amplitudes on plane wave backgrounds. Despite
      various subtleties introduced by the non-trivial scattering
      background, it is clear that a notion of double copy does indeed
      exist.

--------------A8CAB6EEE079E13B261B1634--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 22 11:45:05 2018
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Date:         Thu, 22 Mar 2018 11:44:43 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: The Effectiveness of Recommender Systems, Friday 23rd March 2018, University of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933637E7exMbx3ulcampus_
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Content

MACSI

The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Dr Aonghus Lawlor (University College Dublin):

Title:   The Effectiveness of Recommender Systems.

Abstract: The Effectiveness of Recommender Systems Recommender Systems are =
ubiquitous in many areas of e-commerce and have become essential for many o=
nline activities such as movies, books, consumer devices, fashion, travel, =
etc. In this talk I will summarise some of our recent work in Recommender S=
ystems, with a particular focus on building explainable recommendations. Ex=
planations accompany the recommendation and provide additional information =
to the user about how the recommendation was arrived at. Building explainab=
le recommender systems is an increasingly important challenge, not only bec=
ause they are known to increase the likelihood of acceptance by the user, b=
ut also because there is upcoming legislation which will give users rights =
to accurate and fair explanations. My work has focused on building explaina=
ble recommender systems, but little is known about the effect of recommende=
r systems on the choices that users make about products, or content. This p=
roblem is increasingly important in the diffusion of information over socia=
l networks which is often driven or controlled in part by recommender syste=
ms. All sort of difficulties are encountered in studying how recommender sy=
stems affect the diffusion of information over the network- the context, ne=
twork effects, community structure, timing and dynamics, saturation points =
, are all important features. If we can exploit this information we can bui=
ld better recommender systems, and more importantly, new and better ways of=
 explaining to the user why the recommendation was made. These explanations=
 go beyond the usual attempts to explain the details of the model, and expl=
ain something more global about the adoption patterns of the recommendation=
s.

This seminar will take place on Friday 23rd March, at 4p.m, in  Room A2-002=
.

If you have any questions regarding this seminar, please direct them to Iai=
n Moyles (061 233726, iain.moyles ul.ie).
A full list of upcoming seminars can be found at http://www.ulsites.ul.ie/m=
acsi/node/48011

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the m=
athematical modelling and solution of problems which arise in science, engi=
neering and industry in Ireland.

Peg Hanrahan
MACSI Administrator
Department of Mathematics & Statistics
University of Limerick
Telephone: 353 61 213013
e-mail peg.hanrahan ul.ie

--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933637E7exMbx3ulcampus_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

Content

MACSI=

The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by Dr Aonghus Lawlor (University College Dublin):

Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE">   The Effectiveness of Recommender
 Systems.

Abstract: The Effectiveness of Recommender
 Systems Recommender Systems are ubiquitous in many areas of e-commerce and=
 have become essential for many online activities such as movies, books, co=
nsumer devices, fashion, travel, etc. In this talk I will summarise some of=
 our recent work in Recommender
 Systems, with a particular focus on building explainable recommendations. =
Explanations accompany the recommendation and provide additional informatio=
n to the user about how the recommendation was arrived at. Building explain=
able recommender systems is an increasingly
 important challenge, not only because they are known to increase the likel=
ihood of acceptance by the user, but also because there is upcoming legisla=
tion which will give users rights to accurate and fair explanations. My wor=
k has focused on building explainable
 recommender systems, but little is known about the effect of recommender s=
ystems on the choices that users make about products, or content. This prob=
lem is increasingly important in the diffusion of information over social n=
etworks which is often driven or
 controlled in part by recommender systems. All sort of difficulties are en=
countered in studying how recommender systems affect the diffusion of infor=
mation over the network- the context, network effects, community structure,=
 timing and dynamics, saturation
 points , are all important features. If we can exploit this information we=
 can build better recommender systems, and more importantly, new and better=
 ways of explaining to the user why the recommendation was made. These expl=
anations go beyond the usual attempts
 to explain the details of the model, and explain something more global abo=
ut the adoption patterns of the recommendations.

This seminar will take place
 on Friday 23^rd March, at 4p.m, in  Room A2-002.

If you have any questions regarding th=
is seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011

--------------------------------------=
--------------------------------------
Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.

Peg Hanrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.hanrahan ul.ie

&nbs=
p;

--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933637E7exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 22 14:38:01 2018
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Date:         Thu, 22 Mar 2018 14:37:52 +0000
Reply-To:     Sergey Mozgovoy 
Sender:       UCD Maths Department Distribution List 
From:         Sergey Mozgovoy 
Subject: maths: REMINDER - Dublin Mathematics Colloquium - TODAY
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--001a113fc832b1c35f05680140d4
Content-Type: text/plain; charset="UTF-8"

Dublin Mathematics Colloquium

Thursday, March 22 at 5:00pm
Synge Theatre, Hamilton Building, TCD

Speaker: Herve Gaussier (Grenoble)

Title: About curvature of domains in the complex Euclidean space

Abstract:
Different generalizations of the Gauss curvature were introduced on
manifolds, in different contexts. We will try to explain, on simple
examples, the links between them for domains in C^n.

--001a113fc832b1c35f05680140d4
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Dublin Mathematics Colloquium 

Thursday, March 22 at 5:00pm
Synge Theatre, H=
amilton Building, TCD

Speaker: Herve Gaussier (Gre=
noble)

Title: About curvature of domains in the co=
mplex Euclidean space

Abstract:
Differen=
t generalizations of the Gauss curvature were introduced on manifolds, in d=
ifferent contexts. We will try to explain, on simple examples, the links be=
tween them for domains in C^n.

=

--001a113fc832b1c35f05680140d4--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 23 14:42:05 2018
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Date:         Fri, 23 Mar 2018 14:41:46 +0000
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway
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--001a113cde7a75e1a60568156cd7
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Dear All,

We will have a Seminar Tuesday (March 27) at 4pm in ADB1020.

Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.

Mark Howard

from University of Sheffield

will speak on

=E2=80=9CThe Cost of Tolerating Faults in a Quantum Circuit=E2=80=9D

Abstract. The basic principle of error correction is that we can store and
retrieve information in a way that allows us to tolerate some faults; the
price of achieving this is that we introduce redundancy e.g., a message "0"
gets redundantly encoded as "000". To perform a quantum computation with
imperfect hardware we must use a quantum error correcting code to encode --
and therefore protect -- a state of many quantum bits. Computation is a
dynamic process, however, and we need to manipulate the encoded quantum
information by performing logic gates and measurements. Doing this in a way
that doesn't introduce errors is a much more difficult task than the basic
store-and-retrieve paradigm. This is the central topic of quantum
fault-tolerance. I will review some of the main ideas and then present
recent joint work with Earl Campbell along these lines.

Contact: Michael Mc Gettrick

Hoping to see you all there,

Haixuan and Michael

Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--001a113cde7a75e1a60568156cd7
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dea=
r All,

We w=
ill have a Seminar Tuesday (March 27) at 4pm in ADB1020.

Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.<=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">

=C2=
=A0

Mark=
 Howard=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 

from=
 University of Sheffield

will=
 speak on

=C2=
=A0

=E2=
=80=9CThe Cost of Tolerating
Faults in a Quantum Circuit=E2=80=9D

Abs=
tract. The basic principle
of error correction is that we can store and retrieve information in a way =
that
allows us to tolerate some faults; the price of achieving this is that we
introduce redundancy e.g., a message "0" gets redundantly encoded=
 as
"000". To perform a quantum computation with imperfect hardware w=
e
must use a quantum error correcting code to encode -- and therefore protect=
 --
a state of many quantum bits. Computation is a dynamic process, however, an=
d we
need to manipulate the encoded quantum information by performing logic gate=
s
and measurements. Doing this in a way that doesn't introduce errors is =
a much
more difficult task than the basic store-and-retrieve paradigm. This is the
central topic of quantum fault-tolerance. I will review some of the main id=
eas
and then present recent joint work with Earl Campbell along these lines.

=C2=
=A0

Cont=
act: Michael Mc Gettrick

=C2=
=A0

Hopi=
ng to see you all there,

=C2=
=A0

Haix=
uan and Michael

=C2=
=A0

Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/

--001a113cde7a75e1a60568156cd7--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 08:52:50 2018
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Date:         Mon, 26 Mar 2018 08:52:37 +0100
Reply-To:     Manuela Kulaxizi 
Sender:       UCD Maths Department Distribution List 
From:         Manuela Kulaxizi 
Subject: maths: DUBLIN THEORETICAL PHYSICS COLLOQUIUM
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> *Dublin Theoretical Physics Colloquium*
>
> *Time*: Wednesday, 28th of March at 16:00 p.m.
>
> *Location*: Synge Lecture Theatre, Westland Row, Trinity College Dublin.
>
> *Speaker*: Constantin Bachas (Ecole Normale Sup=C3=A9rieure, Paris)
>
> *Title: *"Massive AdS gravity from String Theory"
>

> *Abstract:* I will describe a large class of holographic dualities
> relating three-dimensional conformal field theories to four-dimensional
> anti-de Sitter vacua  of string theory. I will then exhibit a mechanism
> by  which  the AdS graviton obtains a mass. This is  the first (top-down)
> example of massive gravity  in an ultraviolet complete theory.
>

> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> Future speakers:
>
4th of April: Giuseppe Pollastro

> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
>
>
>
> title:: Dublin Theoretical Physics Colloquium
> content:: Constantin Bachas (ENS, Paris) will speak on
>
:: Massive AdS gravity from String Theory
>
date-time::  Wednesday the28th of March at 16:00pm
>
location:: Synge Lecture Theatre, School of Mathematics, Trinity College
> Dublin
> endevent::
>
>

--001a114041aac001aa05684c0e44
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Dublin Theoretical Physics Colloquium
=

Time: Wednesday, 28th of March =
at 16:00 p.m.

Location: Synge Lecture T=
heatre, Westland Row, Trinity College Dublin.

=
Speaker: Constantin Bachas (Ecole Normale Sup=C3=A9rieure, Paris)

Title:=C2=A0"Massive AdS gravity from String T=
heory"=
=C2=A0
=
Abstract:=C2=A0I will describe a large =
class of holographic dualities
r=
elating three-dimensional=C2=A0confor=
mal field theories to four-dimensional anti-de Sitter vacua=C2=A0 of=C2=A0<=
/span>string theory.=C2=A0I will then exhibit a mechanism by=C2=A0 which=C2=A0 th=
e AdS graviton obtains a=C2=A0mass. T=
his is=C2=A0 the first=C2=A0(top-down)=C2=A0 example of massive gravity=C2=A0 in an ultraviolet =
complete theory.=

=C2=A0
=
<=
div class=3D"gmail_quote">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
Future speakers:=C2=A0=C2=A0 =
   4th of April: Giuseppe =
Pollastro
=
<=
div class=3D"gmail_quote"><=
div>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

=
title:: Dubli=
n Theoretical Physics Colloquium
content:: Constantin Bachas (ENS, Paris) will speak on =C2=A0
=
<=
div class=3D"gmail_quote">:: Massive AdS gravity from String Theory=
date-time::=C2=A0=C2=
=A0Wednesday the28th of March at 16:00pm=
<=
div dir=3D"ltr">location=
:: Synge Lecture Theatre, School of Mathematics, Trinity College Dublin
=
endevent::
<=
/div>

--001a114041aac001aa05684c0e44--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 11:32:40 2018
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Date:         Mon, 26 Mar 2018 11:32:27 +0100
Reply-To:     Hermann Render 
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From:         Hermann Render 
Subject: maths: UCD Colloquium on Wednesday 4th April, 4 pm
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--001a113c9cae5d8c9005684e4a14
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

                *UCD School of Mathematics and Statistics Colloquium
Series  *

Dear All

We are happy to continue our COLLOQUIUM  SERIES  this academic year. Please
find below the details of the next  talk:

*SPEAKER:   *Professor John D. Gibbon,  (Imperial College London)

*TITLE:   *Turbulence and the 3D Navier Stokes equations

*TIME *: Wednesday 4th  April  at 16.00 p.m.

*LOCATION *:   Room  S1.67   Science  Centre South, UCD

*COFFEE MEETING *:    Common Room  at 15.15

ABSTRACT:  The regularity of solutions of the 3D incompressible
Navier-Stokes equations remains one of the great open problems in modern
applied mathematics. I will begin my talk by giving a very short summary of
Kolmogorov=E2=80=99s  1941 theory of turbulence before surveying what we kn=
ow about
the Navier-Stokes equations themselves, and where our knowledge breaks
down. In the last part of the talk I will present some new Navier-Stokes
weak solution results that address the issue of whether Richardson=E2=80=99=
s
cascade theory has a finite limit.

 All are welcome!

Kind regards

Hermann Render

--=20
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--001a113c9cae5d8c9005684e4a14
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

=C2=A0

=C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0UCD School of
Mathematics and Statistics=C2=A0Colloquium Series=C2=A0 

=C2=A0=

=C2=A0

Dear
All=C2=A0

=C2=A0

We ar=
e happy to continue our COLLOQUIUM=C2=A0 SERIES=C2=A0 this academic
year.=C2=A0Please find below the details of the next =C2=A0tal=
k:=C2=A0

=C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0

=
=C2=A0

SPE=
AKER:=C2=A0 =C2=A0Professor John D. Gibbon,=C2=A0 (Imperial
College London) 

=C2=A0=
=C2=A0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0

TIT=
LE:=C2=A0 =C2=A0Turbulence and the 3D
Navier Stokes equations

=
=C2=A0

TIM=
E=C2=A0:=C2=A0Wednesday 4^th=C2=A0
April =C2=A0at 16.00 p.m.=C2=A0=C2=A0

=
=C2=A0

LOC=
ATION=C2=A0:=C2=A0=C2=A0=C2=A0Room=C2=A0
S1.67=C2=A0 =C2=A0Science =C2=A0Centre South, UCD=C2=A0

=
=C2=A0

=
=C2=A0

COF=
FEE MEETING=C2=A0:=C2=A0=C2=A0=C2=A0=C2=A0Common Room =C2=A0at 15.15

=
=C2=A0

=
=C2=A0

ABSTRACT: =C2=A0The regularity of solutions of the 3D incompressi=
ble Navier-Stokes
equations remains one of the great open problems in modern applied mathemat=
ics.
I will begin my talk by giving a very short summary of Kolmogorov=E2=80=99s=
=C2=A0 1941
theory of turbulence before surveying what we know about the Navier-Stokes
equations themselves, and where our knowledge breaks down. In the last part=
 of
the talk I will present some new Navier-Stokes weak solution results that
address the issue of whether Richardson=E2=80=99s cascade theory has a fini=
te limit.

=
=C2=A0

=C2=A0=
All are welcome!=C2=A0

=
=C2=A0

Kind r=
egards=C2=A0

=
=C2=A0

Herman=
n Render=C2=A0=C2=A0

-- Dr Hermann RenderUniversity College Dublin=C2=A0
School of Mathematics and Statisti=
cs
Dublin, Ireland

--001a113c9cae5d8c9005684e4a14--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 11:37:20 2018
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Date:         Mon, 26 Mar 2018 11:37:17 +0100
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From:         Hermann Render 
Subject: maths: UCD Colloquium Talk on Wednesday 4th April, 4pm
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--001a113c9caea63db605684e5bbb
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Content-Transfer-Encoding: quoted-printable

 noemail::
title::
=E2=80=8BUCD COLLOQUIUM SERIES =E2=80=8B

content::
=E2=80=8BProfessor
=E2=80=8BJohn D. Gibbon (Imperial College London) will speak on
::  =E2=80=8BTurbulence and the 3D Navier-Stokes equations
 =E2=80=8B
date-time:: Wednes=E2=80=8Bday
=E2=80=8B
=E2=80=8B4th April
 201
=E2=80=8B8=E2=80=8B
  at
=E2=80=8B4=E2=80=8B
.00pm
location:: UCD  Science  South S1.67
endevent::

--=20
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--001a113c9caea63db605684e5bbb
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

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title::=C2=A0=E2=80=8BUCD COLLOQUIUM SERIES =E2=80=8B=

content::=C2=A0=E2=80=8BProfessor=C2=A0=E2=80=8B=
John=C2=A0D. Gibbon (Imperial College =
London) will speak on
::=C2=A0 =E2=80=8BTurbulence and the 3D Navier-Stokes equations
=C2=A0=E2=80=8B
date-time:: Wednes=E2=80=8Bday=C2=A0=
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7=C2=A0
<=
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ormal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:40=
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e;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);tex=
t-decoration-style:initial;text-decoration-color:initial;font-size:12.8px">=
endevent::

-- 
Dr Hermann RenderUniversity College Dublin=C2=
=A0
School of Mathematics and Statistics
Dublin, Ireland<=
/div>

--001a113c9caea63db605684e5bbb--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 14:08:22 2018
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Date:         Mon, 26 Mar 2018 14:08:10 +0100
Reply-To:     Peter Taylor 
Sender:       UCD Maths Department Distribution List 
From:         Peter Taylor 
Subject: maths: DCU Maths Colloquium, Wed March 28th, 3:30pm
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Dear colleagues,

Details of this week's DCU Maths Colloquium are as follows:

Speaker: Dr. James O'Shea, *DCU*

Title: *Some elementary results in Quadratic Form Theory*
Abstract: I will introduce some of the central notions and topics in the
theory of quadratic forms, and highlight a number of classical and recent
results that admit elementary proofs.

Date: Wednesday 28th March   3:30pm

Location: Nursing Building (H Building) Room HG23
https://www.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/biscuits served in the seminar room at 3:15pm.

Cheers,
Peter.

--=20
Dr. Peter Taylor

Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.
www.taylorexpansion.net

--=20

*S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s=
eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=
=A1id ag an seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuillea=
dh a l=C3=A9amh anseo.  =
This e-mail and any files transmitted with it are confidential and are inte=
nded solely for use by the addressee. Read more here. *

--=20

 =20
=20
=20

--f403043ef2ac3e01dc0568507732
Content-Type: text/html; charset="UTF-8"
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<=
div dir=3D"ltr" style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;f=
ont-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-varian=
t-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-t=
ransform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,=
255,255);text-decoration-style:initial;text-decoration-color:initial">Dear colleagues,

Details of this week&=
#39;s DCU Maths Colloquium are as follows:

Speaker: Dr. James O'Shea, DCUTitle:=C2=A0Some elementary results in Quadrat=
ic Form Theory
Abstract:=C2=A0I will introduce some of the centr=
al notions and topics in the theory of quadratic forms, and highlight a num=
ber of classical and recent results that admit elementary proofs.

=C2=A0

=

Date: Wednesday 28=
th March=C2=A0  3:30pm
<=
br>Location: Nursing Building (H Building) Room HG23
http=
s://www.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/bisc=
uits served in the seminar room at 3:15pm.
=

Cheers,

<=
/span>
=

=

=
-- 
Dr=
. Peter Taylor
Assista=
nt Professor
Center for=
 Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.
www.taylorexpansion.net

S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.

--f403043ef2ac3e01dc0568507732--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 14:41:06 2018
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Date:         Mon, 26 Mar 2018 14:40:39 +0100
Reply-To:     Thomas Huettemann 
Sender:       UCD Maths Department Distribution List 
From:         Thomas Huettemann 
Subject: maths: British and Irish Geomety Meeting, registration now open
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The British and Irish Geometry Meeting (BI-GeM) will take place on 1st
and 2nd of June 2018 at Queen's University Belfast. The list of speakers
includes:

    Barbara Baumeister, Universität Bielefeld (Germany);
    Jürgen Berndt, University College London (UK);
    Tom Brady, Dublin City University (Ireland);
    John Burns, National University of Ireland in Galway (Ireland);
    Lynn Heller, Universität Hannover (Germany);
    Jarek Kedra, University of Aberdeen (UK);
    Mary Rees, University of Liverpool (UK).

REGISTRATION is now possible at:

http://knock.qub.ac.uk/ecommerce/bigm/

More information can be found on the conference website:

http://go.qub.ac.uk/BI-GEM18

The organisers,

    Thomas Huettemann and Brian McMaster

-- 
Dr. Thomas Huettemann
Mathematical Sciences Research Centre
School of Mathematics and Physics
Queen's University Belfast
Belfast BT7 1NN
Northern Ireland, UK

Phone: +44 (0) 28 9097 1940
Fax:   +44 (0) 28 9097 1541
web:   http://www.qub.ac.uk/puremaths/Staff/Thomas Huettemann/index.html

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 26 15:15:59 2018
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Date:         Mon, 26 Mar 2018 15:15:32 +0100
Reply-To:     Robert Osburn 
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From:         Robert Osburn 
Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Neil O’Connell (UCD)

Title: Birational RSK correspondence and Whittaker functions

Abstract: The Robinson-Schensted-Knuth (RSK) correspondence is a combinatorial bijection which plays an important role in the theory of Young tableaux and symmetric functions, particularly in understanding combinatorial aspects of Schur polynomials (Cauchy-Littlewood identity, Littlewood-Richardson rule, etc.). I will give some background on this and then explain how a birational version of the RSK correspondence provides a similar `combinatorial’ framework for the study of GL(n,R)-Whittaker functions.  These functions arise in the context of automorphic forms associated with GL(n,R), and reduce to the classical Whittaker functions in the case n=2.

Date: Thursday, April 5, 2018
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Neil O’Connell (UCD) will speak on
:: Birational RSK correspondence and Whittaker functions
date-time:: Thursday, April 5, 2018 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 28 08:36:22 2018
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Date:         Wed, 28 Mar 2018 08:36:04 +0100
Reply-To:     Manuela Kulaxizi 
Sender:       UCD Maths Department Distribution List 
From:         Manuela Kulaxizi 
Subject: maths: TODAY - DUBLIN THEORETICAL PHYSICS COLLOQUIUM
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--0000000000004209320568740fbd
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> *Dublin Theoretical Physics Colloquium*
>
> *Time*: Wednesday, 28th of March at 16:00 p.m.
>
> *Location*: Synge Lecture Theatre, Westland Row, Trinity College Dublin.
>
> *Speaker*: Constantin Bachas (Ecole Normale Sup=C3=A9rieure, Paris)
>
> *Title: *"Massive AdS gravity from String Theory"
>

> *Abstract:* I will describe a large class of holographic dualities
> relating three-dimensional conformal field theories to four-dimensional
> anti-de Sitter vacua  of string theory. I will then exhibit a mechanism
> by  which  the AdS graviton obtains a mass. This is  the first (top-down)
> example of massive gravity  in an ultraviolet complete theory.
>

> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> Future speakers:
>
4th of April: Giuseppe Pollastro

> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
>
>
>
> title:: Dublin Theoretical Physics Colloquium
> content:: Constantin Bachas (ENS, Paris) will speak on
>
:: Massive AdS gravity from String Theory
>
date-time::  Wednesday the 28th of March at 16:00pm
>
location:: Synge Lecture Theatre, School of Mathematics, Trinity College
> Dublin
> endevent::
>
>

--0000000000004209320568740fbd
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dubl=
in Theoretical Physics Colloquium

Time: Wednesday, 28th of March at 16:00 p.m=
.

Location: Synge Lecture Theatre, West=
land Row, Trinity College Dublin.

Speaker: Constantin Bachas (Ecole Normale Sup=C3=A9rieure, Paris)
=

Title:=C2=A0"Mas=
sive AdS gravity from String Theory"
<=
/div>
=C2=A0
<=
div dir=3D"ltr">Abstract:=C2=A0I will describe a large class =
of holographic dualities
relatin=
g three-dimensional=C2=A0conformal fi=
eld theories to four-dimensional anti-de Sitter vacua=C2=A0 of=C2=A0=
string theory.=C2=A0I will then exhibit a mechanism by=C2=A0 which=C2=A0 the AdS =
graviton obtains a=C2=A0mass. This is=
=C2=A0 the first=C2=A0(top-down)=C2=A0 example of massive gravity=C2=A0 in an ultraviolet comple=
te theory.
<=
br>
=C2=A0
=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Future speakers:=C2=A0=C2=A0=

   4th of April: Giuseppe Pollastro
=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: D=
ublin Theoretical Physics Colloquium
content:: Constan=
tin Bachas (ENS, Paris) will speak on =C2=A0<=
/div>
<=
div class=3D"gmail_quote">:: Massive AdS gravi=
ty from String Theory
<=
/blockquote>date-time::=C2=A0=C2=A0Wednesday the 28th o=
f March at 16:00pm<=
/div>
location:: Synge Lecture Theatre, School of Mathematics, Trin=
ity College Dublin
endevent::

<=
/div>

--0000000000004209320568740fbd--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 28 14:30:06 2018
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Date:         Wed, 28 Mar 2018 14:29:49 +0100
Reply-To:     Peter Taylor 
Sender:       UCD Maths Department Distribution List 
From:         Peter Taylor 
Subject: maths: Irish Quantum Foundations 2018, May 28th-29th, DCU
To:           MATHDEP LISTSERV.HEANET.IE
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--94eb2c07dc9063a6300568790002
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Dear colleagues,

The *Irish Quantum Foundations 2018* meeting will take place *May 28th-29th
at DCU's All Hallows Campus*.

We are delighted to announce the following confirmed list of speakers at
this year's meeting:

   - Alejandra Castro               (University of Amsterdam)
   - Peter Coles                       (Maynooth University and Cardiff
   University)
   - Emmanuel Fort                 (ESPCI)
   - Duncan Haldane               (Princeton University)
   - Sabine Hossenfelder        (Frankfurt Institute of Advanced Studies)
   - Lionel Mason                    (University of Oxford)
   - Ricardo Monteiro              (Queen Mary, University of London)
   - Elizabeth Winstanley        (University of Sheffield)

*Registration for IQF 2018 is now open at:*
https://www.dcu.ie/maths/iqf2018_registration.shtml

Further information can be found on the conference website at:
https://www.dcu.ie/maths/iqf2018.shtml

On behalf of the organizing committee,
Peter Taylor.

*Scientific Organizing Committee*
Brien Nolan (DCU)
Ko Sanders (DCU)
Abraham Harte (DCU)
Peter Taylor (DCU)
Leron Borsten (DIAS)
Graham Kells (DIAS)
Joost Slingerland (Maynooth)
Tristan McLoughlin (TCD)
Barry Wardell (UCD)

--=20
Dr. Peter Taylor

Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.
www.taylorexpansion.net

--=20

*S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s=
eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=
=A1id ag an seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuillea=
dh a l=C3=A9amh anseo.  =
This e-mail and any files transmitted with it are confidential and are inte=
nded solely for use by the addressee. Read more here. *

--=20

 =20
=20
=20

--94eb2c07dc9063a6300568790002
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear coll=
eagues,

The Irish Quantum Foundations 2018<=
/b> meeting will take place May 28th-29th at DCU's All Hallows Campu=
s.

We are delighted to announce the following =
confirmed list of speakers at this year's meeting:
Alejandra Castro=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0(University of Amsterdam)
Peter Coles=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(Maynooth Univer=
sity and Cardiff University)
Emmanuel Fort=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(ESPCI)
Duncan Haldane=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0(Princeton University)
Sabine Hossenfelder=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 (Frankfurt Institute of Advanced Studies)
=
Lionel Mason=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (University of Oxford)
<=
span style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:sm=
all;font-style:normal;font-variant-ligatures:normal;font-variant-caps:norma=
l;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;tex=
t-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(2=
55,255,255);text-decoration-style:initial;text-decoration-color:initial;flo=
at:none;display:inline">Ricardo Monteiro=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (Queen Mary, University of London)
Elizabeth Winstanley=C2=A0 =C2=A0 =C2=A0 =C2=A0 (U=
niversity of Sheffield)

R=
egistration for IQF 2018 is now open at:
https://www.d=
cu.ie/maths/iqf2018_registration.shtml

Further information can be found on the conference website at:
=
https:=
//www.dcu.ie/maths/iqf2018.shtml

On b=
ehalf of the organizing committee,
Peter Taylor.

Scientific Organizing Committee
Br=
ien Nolan (DCU)
Ko Sanders (DCU)Abraham Harte (DCU)Peter Taylor (DCU)
Leron Borsten (DIAS)
Graham =
Kells (DIAS)
Joost Slingerland (Maynooth)
Tristan McLou=
ghlin (TCD)
Barry Wardell (UCD)

=
-- 
Dr. Peter Taylor
Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sciences
Dublin City University.<=
div>www.taylorexpansion.net

S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
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 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.

--94eb2c07dc9063a6300568790002--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 30 14:39:36 2018
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Date:         Fri, 30 Mar 2018 09:38:41 -0400
Reply-To:     Colm Mulcahy 
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From:         Colm Mulcahy 
Subject: maths: new blog on Irish Cambridge connections pre 1900
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--089e0823a91c1b88940568a15ed3
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new blog on Irish Cambridge maths connections pre 1900:

http://www.mathsireland.ie/blog/2018_03_cm

It was 62 people until a few hours ago.  Then a new Cavan man born in 1803
came to light.  He's currently numbered 3.5, pending discovery of
additional people who will also need to be added.

Comments and corrections are, as always, welcome .

Colm Mulcahy (Spelman College & UCD)

--089e0823a91c1b88940568a15ed3
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new blog on Irish Cambridge maths connections pre=
 1900:

http://www.mathsireland.ie/blog/2018_03_cm

It was 62 people until a few hours ago.=C2=A0 Then a new C=
avan man born in 1803 came to light.=C2=A0 He's currently numbered 3.5,=
 pending discovery of additional people who will also need to be added.

Comments and corrections are, as always, Colm Mulcahy (Spelman College=C2=A0& UCD)

=

--089e0823a91c1b88940568a15ed3--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  1 11:06:07 2019
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Date:         Fri, 1 Mar 2019 11:05:53 +0000
Reply-To:     Mike Peardon 
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From:         Mike Peardon 
Subject: maths: High Performance Computing & Simulation Conference (HPCS 2019), July 15 - 19, 2019, Dublin.
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Dear Colleagues,

Please find below a notice regarding a meeting on HPC/numerical 
simulation, taking place in Dublin this summer. Please circulate this 
notice to colleagues you think might be interested in the conference.

Best regards,
Mike Peardon.

-----------------

Call for Papers and Participation

The 2019 High Performance Computing & Simulation Conference
(HPCS 2019)
The 17th Annual Meeting

July 15 - 19, 2019
Dublin, Ireland

http://hpcs2019.cisedu.info/ or http://conf.cisedu.info/rp/hpcs19

In Cooperation with the ACM, IEEE, IFIP

(Main Track Paper Submission Deadline: March 25, 2019 - Extended)
(Other Conference tracks may have different submission deadlines - 
Please check the specific track of interest at links below.)

You are cordially invited to participate in this international 
conference through paper submission, a track, a workshop or a special 
session organization, a tutorial, an invited speech, a demo, a poster, 
an exhibit, a panel discussion, a doctoral dissertation abstract, 
whichever sounds more appropriate and convenient to you.

The conference will include invited presentations by experts from 
academia, industry, and government as well as contributed paper 
presentations describing original work on the current state of research 
in high performance and large scale computing systems, architectures and 
systems, algorithms, languages, software and middleware in HPC systems, 
Cloud and Edge Computing, Data Sciences, applications-oriented high 
performance, HPC use in modeling and simulation, and related issues. 
There will also be tutorial sessions, symposia, workshops, special 
sessions, demos, posters, panel discussions, doctoral colloquium, and 
exhibits. Conference sponsorships are welcomed.

In addition to the main track, the conference will have many refereed 
archived symposia, workshops and special sessions (may have different 
deadlines): Please see the following lists and check the specific track 
of interest (coming soon). So far we have the following tracks:
Symposia: http://hpcs2019.cisedu.info/2-conference/symposia
Workshops: http://hpcs2019.cisedu.info/2-conference/workshops
Special Sessions: http://hpcs2019.cisedu.info/2-conference/special-sessions

SPECIAL ISSUE
Authors of selected papers will be invited to submit an extended version 
of their work for one or more special issues in ISI indexed Journals.

HPCS Proceedings are published in IEEE XPLORE and indexed by all major 
indexing services including SCOPUS, EI, SCI, dblp, etc.

=================================================================
Important Dates:

Main Track Paper and Poster Paper Submission Deadline - March 25, 2019 - 
Extended
Tutorial/Demo/Panel/Poster Proposal Deadline ---------- March 25, 2019
Main Track Notification of Acceptance starts  --------- April 22, 2019
Registration & Camera-Ready Manuscripts Due ----------- May 10, 2019
Conference Dates -------------------------------------- July 15 - 19, 2019

=================================================================

For further details and updates, please consult the conference web site 
at URL:  http://hpcs2019.cisedu.info/ or 
http://conf.cisedu.info/rp/hpcs19  or contact one of the conference 
organizers.

We look forward to your contributions and to seeing you in Dublin, 
Ireland in July.

Thank you very much. Best Regards.

HPCS 2019 Organizers

-- 
School of Mathematics,
Trinity College Dublin,
Ireland
+353 (0)1 896 1485

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  1 11:57:24 2019
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Reply-To:     Rafael De Andrade Moral 
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Subject: Maths: Maynooth Colloquium in Mathematics and Statistics
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From:         Barry Wardell 
Subject: Two UCD Applied & Computational Mathematics Seminars: March 4th at 1pm
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--0000000000005d722e058307a919
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Dear Colleagues,

Next week there will be *two* seminars as part of the UCD Applied and
Computational Maths Seminar Series . The
seminars will take place next Monday 4th March starting at 1pm.

Coffee, tea & biscuits will be available in the School of Mathematics &
Statistics common room, ground floor, UCD O'Brien Centre for Science
(North) shortly before the seminars.

All are welcome. Details of both seminars follow.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
UCD Applied & Computational Mathematics Seminar
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

*Speaker:* Vakhtang Putkaradze (University of Alberta)
*Time:* Monday, 4th March 2019 at 1pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Integrability and Chaos in Figure Skating

*Abstract:*
We derive and analyze a three dimensional model of a figure skater. We
model the skater as a three-dimensional body moving in space subject to a
non-holonomic constraint enforcing movement along the skate's direction and
holonomic constraints of continuous contact with ice and pitch constancy of
the skate. For a static (non-articulated) skater, we show that the system
is integrable if and only if the projection of the center of mass on
skate's direction coincides with the contact point with ice and some mild
(and realistic) assumptions on the directions of inertia's axes. The
integrability is proved by showing the existence of two new constants of
motion linear in momenta, providing a new and highly nontrivial example of
an integrable non-holonomic mechanical system. We also consider the case
when the projection of the center of mass on skate's direction does not
coincide with the contact point and show that this non-integrable case
exhibits apparent chaotic behavior, by studying the divergence of nearby
trajectories. We also demonstrate the intricate behavior during the
transition from the integrable to chaotic case. Our model shows many
features of real-life skating, especially figure skating, and we conjecture
that real-life skaters may intuitively use the discovered mechanical
properties of the system for the control of the performance on ice.

*This seminar is part of the School of Mathematics and Statistics
Colloquium series.*

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

*Speaker:* Matthieu Ancellin (University College Dublin)
*Time:* Monday, 4th March 2019 at 2pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Linear potential flow simulation of wave energy converters

*Abstract:*
Among the models available to describe the interaction of ocean waves with
floating bodies, the linear potential flow theory is one of the simplest
and most widespread. The fluid flow is described by a Laplace problem with
linear boundary conditions which can be solved using the Boundary Elements
Method. The code Nemoh is the only open source solver for this problem,
among several commercial codes. It has been developed at the =C3=89cole Cen=
trale
de Nantes since the 1970s and has been released as open source in 2014.
During this talk, the theory behind the code will be presented and its
modernization and its optimization will be discussed.

We are interested by the application to marine renewable energy and in
particular for the design of Wave Energy Converters (WEC). Its application
to two different designs of WEC will be presented: a rigid hinge-barge and
a flexible bulging cylinder. The former can be modeled using rigid-body
dynamics to estimate the power it could extract from incoming ocean waves.
For the latter, the dynamics is more complex and only a upper bound based
on its far-field radiation behavior will be discussed.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Best wishes,
Barry Wardell

title:: UCD ACM Seminar
date-time:: Monday, 4th March 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content:: Vakhtang Putkaradze (University of Alberta) and Matthieu Ancellin
(University College Dublin) will speak on
:: "Integrability and Chaos in Figure Skating" and "Linear potential flow
simulation of wave energy converters"
endevent::

--0000000000005d722e058307a919
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear Colleagues,
<=
div dir=3D"ltr">
Next week ther=
e will be=C2=A0two=C2=A0seminars=C2=A0as part of the UCD=C2=A0Applied=C2=A0and =
Computational Maths=C2=A0Seminar=C2=A0Series <http://maths.ucd.ie/ACMSeminars/>. Th=
e seminars will take place next Monday 4th March starting at 1pm.

Coffee, tea & biscuits will be available in the School =
of Mathematics & Statistics common room, ground floor, UCD O'Brien =
Centre for Science (North) shortly before the seminars.

All are welcome. Details of both=C2=A0seminars=C2=A0follow.=

=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Applied=C2=A0&=C2=A0Comp=
utational=C2=A0Mathematics=C2=A0Seminar=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D

Speaker:=
=C2=A0Va=
khtang Putkaradze=C2=A0(University of Alberta)
Time:=C2=A0Monday, 4th March=
 2019 at 1pm
Location:=C2=A01.25 SCN, UCD O'Brien Centre for Science (N=
orth)
Title:=C2=A0Integrability and Chaos in =
Figure Skating

Abstract:
<=
div>We derive and analyze a three dimensional model of a figure skater=
. We model the skater as a three-dimensional body moving in space subject t=
o a non-holonomic constraint enforcing movement along the skate's direc=
tion and holonomic constraints of continuous contact with ice and pitch con=
stancy of the skate. For a static (non-articulated) skater, we show that th=
e system is integrable if and only if the projection of the center of mass =
on skate's direction coincides with the contact point with ice and some=
 mild (and realistic) assumptions on the directions of inertia's axes. =
The integrability is proved by showing the existence of two new constants o=
f motion linear in momenta, providing a new and highly nontrivial example o=
f an integrable non-holonomic mechanical system. We also consider the case =
when the projection of the center of mass on skate's direction does not=
 coincide with the contact point and show that this non-integrable case exh=
ibits apparent chaotic behavior, by studying the divergence of nearby traje=
ctories. We also demonstrate the intricate behavior during the transition f=
rom the integrable to chaotic case. Our model shows many features of real-l=
ife skating, especially figure skating, and we conjecture that real-life sk=
aters may intuitively use the discovered mechanical properties of the syste=
m for the control of the performance on ice.

Th=
is seminar is part of the School of Mathematics and Statistics Colloquium s=
eries.

=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D

Speaker:=C2=A0Matthieu Ancellin=C2=A0(University College D=
ublin)
Time:=C2=A0Monday, 4th M=
arch 2019 at 2pm
Location:=C2=
=A01.25 SCN, UCD O'Brien Centre for Sc=
ience (North)
Title:=C2=A0Linear potential fl=
ow simulation of wave energy converters

Abstract:<=
/font>
Among the models available to describ=
e the interaction of ocean waves with floating bodies, the linear potential=
 flow theory is one of the simplest and most widespread. The fluid flow is =
described by a Laplace problem with linear boundary conditions which can be=
 solved using the Boundary Elements Method. The code Nemoh is the only open=
 source solver for this problem, among several commercial codes. It has bee=
n developed at the =C3=89cole Centrale de Nantes since the 1970s and has be=
en released as open source in 2014. During this talk, the theory behind the=
 code will be presented and its modernization and its optimization will be =
discussed.

We are interested by the application to=
 marine renewable energy and in particular for the design of Wave Energy Co=
nverters (WEC). Its application to two different designs of WEC will be pre=
sented: a rigid hinge-barge and a flexible bulging cylinder. The former can=
 be modeled using rigid-body dynamics to estimate the power it could extrac=
t from incoming ocean waves. For the latter, the dynamics is more complex a=
nd only a upper bound based on its far-field radiation behavior will be dis=
cussed.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
Best wishes,
=
Barry Wardell
=

title:: UCD ACM=C2=A0Seminar
date-time::=C2=A0=
Monday, 4th March 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content::=C2=A0<=
/font>Vakhtang Putkaradze=C2=A0(University of=
 Alberta)=C2=A0and=C2=A0Matthie=
u Ancellin (University College Dublin)=C2=A0will speak on
:=
: "Integrability and Chaos=
 in Figure Skating" and "Linear potentia=
l flow simulation of wave energy converters"
endevent::
=
=
=

--0000000000005d722e058307a919--

From owner-mathdep LISTSERV.HEANET.IE  Sun Mar  3 10:11:53 2019
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From:         Kazim Buyukboduk 
Subject: maths: UCD Algebra and Number Theory Seminar (March 7)
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--000000000000ecd80b05832dddb7
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UCD Algebra and Number Theory Seminar

*Speaker:* Fabian Januszewski 
(Karlsruhe)
*Title:* Arithmetic of special L-values

*Abstract:* The study of special values of L-functions has a long history
in number theory. While the Langlands Programme provides us with powerful
tools for the analytic study of L-functions, the arithmetic information we
are seeking to extract from L-functions appears to be encoded in their
special values. In this talk I will discuss classical examples alongside
with recent results on rather general class of L-functions.

*Date:* Thursday, March 7, 2019
*Time:* 2:00pm
*Location:* Room 1.25, O=E2=80=99Brien Centre for Science (North) (map

)

title:: UCD Algebra and Number Theory Seminar
content:: Fabian Januszewski (Karlsruhe) will speak on
:: Arithmetic of special L-values
date-time:: Thursday, March 7, 2019 at 2:00pm
location:: Room 1.25, O=E2=80=99Brien Centre for Science (North)
endevent::

--000000000000ecd80b05832dddb7
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UCD Algebra and Number Theory Semi=
nar

Speaker:=C2=A0Fab=
ian Januszewski (Karlsruhe)
Title:=
=C2=A0Arithmetic of special L-values

Abstract:=
=C2=A0The study of special values of L-functions has a long history in =
number theory. While the Langlands Programme provides us with powerful tool=
s for the analytic study of L-functions, the arithmetic information we are =
seeking to extract from L-functions appears to be encoded in their special =
values. In this talk I will discuss classical examples alongside with recen=
t results on rather general class of L-functions.
Date:=C2=A0Thursday, March 7, 2019Time:=C2=A02:00pm
Location:=C2=A0Room 1.25, O=E2=80=99Bri=
en Centre for Science (North) (map)

title:: UCD Algebra and Number Theory Seminar
content::=C2=A0Fabian Januszewski (Karlsruhe)=C2=A0w=
ill speak on
::=C2=A0Arithmetic of special L-values
date-time:: Thurs=
day, March 7, 2019 at 2:00pm
location::=C2=A0Room 1.25, O=E2=80=99Brien Centre=
 for Science (North)
endevent::

--000000000000ecd80b05832dddb7--

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Date:         Sun, 3 Mar 2019 20:00:08 +0000
Reply-To:     "Ellis, Grahamj" 
Sender:       UCD Maths Department Distribution List 
From:         "Ellis, Grahamj" 
Subject: maths: Lectureship at NUI Galway
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Lectureship in Mathematics (closing date 12 April 2019).

The School of Mathematics, Statistics and Applied Mathematics at NUI Galway is seeking to appoint a permanent lecturer in Mathematics. We are looking to broaden our mathematics research and teaching portfolio in a way that will build on, and complement, our existing strengths.

The appointee will contribute to teaching, graduate supervision, and research activities within the School, and will be expected to take a leading role in curriculum design and development. The School runs a range of undergraduate and taught postgraduate programmes across the mathematical sciences, including shared interdisciplinary degree programmes in Financial Mathematics & Economics and in Mathematics & Education. It also runs a vibrant PhD programme. The appointment is aligned to the de Br�n Centre for Mathematics within the School, which fosters research and graduate training in the areas of analysis, algebra, geometry and topology.

The responsibilities of this post will include contributions to the delivery and management of our Mathematics programmes including the BSc in Financial Mathematics and Economics.

Further details can be found at  http://www.nuigalway.ie/about-us/jobs/#

For details on the de Brun Centre for Mathematics please see http://hamilton.nuigalway.ie/dbcm/

Graham

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  4 09:45:39 2019
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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Thursday March 7): On the Riordan Group and the almost-Riordan Group
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Dear All,

We will have a Seminar Thursday (March 7) at 4pm in ADB1020.

Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.

Nikolaos Pantelidis
from Waterford Institute of Technology

 will speak on

=E2=80=9COn the Riordan Group and the almost-Riordan Group=E2=80=9D

Abstract: A Riordan array is a lower triangular infinite matrix,
constructed by two formal power series in such a way that each of the
columns is generated by them, and the elements of the matrix can be
determined by a recursive formula. Objects that can be expressed by a
sequence of integers are used to construct Riordan arrays, such as
Fibonacci or Catalan numbers. The area of Riordan arrays has been
researched since the early 1990s and applications of them have been found
in many areas of computing such as algorithm analysis, error correcting
codes and wireless communications. Additionally, Riordan arrays have been
used in different scientific areas beyond the borders of Mathematics as
parts of their theory and techniques have been successfully applied in
Molecular Biology for RNA secondary structure enumeration and Chemistry.

In this talk, we are going to discuss some of the current research in the
field of Riordan arrays. More precisely, we show new findings on the
algebraic structure of the main group of Riordan arrays, and relations
between already known Riordan subgroups. Additionally, we present the group
of almost-Riordan arrays and some of its properties.

Contact: Kevin Jennings

Hoping to see you all there,

Haixuan and Michael

Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--000000000000fa66f60583419d6c
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dea=
r All,

We w=
ill have a Seminar Thursday (March 7) at 4pm in ADB1020.

Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.<=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">

=C2=
=A0

Niko=
laos Pantelidis =C2=A0

from Waterford Institute of Technology

=C2=A0will speak on 

=C2=
=A0

=E2=
=80=9COn the Riordan Group and the
almost-Riordan Group=E2=80=9D

Abst=
ract: A Riordan array is
a lower triangular infinite matrix, constructed by two formal power series =
in
such a way that each of the columns is generated by them, and the elements =
of
the matrix can be determined by a recursive formula. Objects that can be
expressed by a sequence of integers are used to construct Riordan arrays, s=
uch
as Fibonacci or Catalan numbers. The area of Riordan arrays has been resear=
ched
since the early 1990s and applications of them have been found in many area=
s of
computing such as algorithm analysis, error correcting codes and wireless
communications. Additionally, Riordan arrays have been used in different
scientific areas beyond the borders of Mathematics as parts of their theory=
 and
techniques have been successfully applied in Molecular Biology for RNA
secondary structure enumeration and Chemistry.

=C2=
=A0

In t=
his talk, we are going to
discuss some of the current research in the field of Riordan arrays. More
precisely, we show new findings on the algebraic structure of the main grou=
p of
Riordan arrays, and relations between already known Riordan subgroups.
Additionally, we present the group of almost-Riordan arrays and some of its
properties.

=C2=
=A0

Cont=
act: Kevin Jennings

=C2=A0

Hopi=
ng to see you all there,

=C2=
=A0

Haix=
uan and Michael

=C2=
=A0

Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/

=C2=A0=

--000000000000fa66f60583419d6c--

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Date:         Mon, 4 Mar 2019 11:27:44 +0000
Reply-To:     Kwok Chuen Wong 
Sender:       UCD Maths Department Distribution List 
From:         Kwok Chuen Wong 
Subject: DCU Mathematical Finance Seminar - Nizar Touzi (Ecole Polytechnique)
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Dear colleagues,

We will have Mathematical Finance seminar on Friday (March 8).

Everybody welcome,

Ryan

title:: DCU Math Finance (Nizar Touzi, Ecole Polytechnique)
content:: Title of talk: Optimal make-take fees for market making regulatio=
n
:: We address the mechanism design problem of an exchange setting suitable
make-take fees to attract liquidity on its platform.
:: Using a principal-agent approach, we provide the optimal compensation
scheme of a market maker in quasi-explicit form.
:: This contract depends essentially on the market maker inventory
trajectory and on the volatility of the asset.
:: We also provide the optimal quotes that should be displayed by the
market maker.
:: The simplicity of our formulas allows us to analyze in details the
effects of optimal contracting with an exchange,
:: compared to a situation without contract.
:: We show in particular that it improves liquidity and reduces trading
costs for investors.
:: We extend our study to an oligopoly of symmetric exchanges and we
studied the impact of such common agency policy on the system.

date-time:: 8th March at 11:00am
location:: DCU Business School, Q119
endevent::

--=20
Kwok Chuen Wong, Ryan
Assistant Professor in Financial Mathematics
School of Mathematical Sciences, Dublin City University
X136, Lonsdale Building, Glasnevin, Dublin 9, Ireland
Tel: +353 1 7005291
Email: kwokchuen.wong dcu.ie

--=20
*

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--000000000000b7b7900583430ddb
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Dear colleagues,

We will have Math=
ematical Finance seminar on Friday (March 8).

Everybody welcome,
=

Ryan

title:: DCU Math Finance (Nizar Touzi, Ecole Polytechnique)=

content:: Title of talk: Optimal make-take fees for market making regul=
ation
:: We address the mechanism design problem of an exchange setting =
suitable make-take fees to attract liquidity on its platform. 
:: Using =
a principal-agent approach, we provide the optimal compensation scheme of a=
 market maker in quasi-explicit form. 
:: This contract depends essentia=
lly on the market maker inventory trajectory and on the volatility of the a=
sset. 
:: We also provide the optimal quotes that should be displayed by=
 the market maker. 
:: The simplicity of our formulas allows us to analy=
ze in details the effects of optimal contracting with an exchange, 
:: c=
ompared to a situation without contract.
:: We show in particular that i=
t improves liquidity and reduces trading costs for investors. 
:: We ext=
end our study to an oligopoly of symmetric exchanges and we studied the imp=
act of such common agency policy on the system.

date-time:: 8th Marc=
h at 11:00am
location:: DCU Business School, Q119
endevent::

-- 
=
Kwok Chuen Wong, Ryan
Assistant Professor in Financial M=
athematics
School of Mathematica=
l Sciences, Dublin City University
X136, Lonsdale Buil=
ding, Glasnevin, Dublin 9, Ireland
Tel: +353 1 7005291
Email: kwokchuen.wong dcu.ie

S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.

--000000000000b7b7900583430ddb--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  4 12:02:38 2019
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Date:         Mon, 4 Mar 2019 12:02:28 +0000
Reply-To:     "Compelli, Alan" 
Sender:       UCD Maths Department Distribution List 
From:         "Compelli, Alan" 
Subject: Maths: UCC Applied Mathematics Seminar, Thursday 7 March
To:           MATHDEP LISTSERV.HEANET.IE
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--_000_DB6PR0202MB2918600B991DCC552EF19CBF9C710DB6PR0202MB2918_
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Dear Colleagues,

All are welcome at the following seminar:

UCC Applied Mathematics Seminar

Speaker: Kirk Soodhalter (Trinity College Dublin)

Time and location: 12pm, Thursday 7 March, WGB G02

Title: Describing and prescribing convergence behavior of block GMRES

Abstract: Solution of systems of linear equations (i.e., A(x_{0}+t)=3Db) re=
presents the most computationally intensive task of many problems in comput=
ational science. When the matrices are large (with millions or even billion=
s of unknowns) and sparse (most entries are zero), matrix-free methods are =
often the most viable choice for solving such systems. Some of the most suc=
cessful matrix-free methods are Krylov subspace methods, which are efficien=
t methods based upon constructing a subspace of polynomials of the matrix t=
imes a starting vector.

This space is built iteratively and an approximation to t is chosen uniquel=
y from the space according to an appropriate constraint. In the celebrated =
Generalized Minimum Residual Method (GMRES), one takes v=3Db-Ax_{0} and com=
putes the approximation which minimizes |b-A(x_{0}+t_{j})|. The GMRES metho=
d can be implemented quite efficiently. Despite its relative simplicity, th=
e behavior and effectiveness of this method for specific problems is the su=
bject of continuing study and analysis.

In this talk, we will review some of the more prominent and interesting res=
ults regarding the behavior of GMRES. We will then present a generalization=
 of GMRES, which was proposed for solving multiple linear systems which all=
 have the same coefficient matrix, called block GMRES. This method efficien=
tly builds Krylov subspaces for all systems simultaneously and selects mini=
mizers for each problem over the sum of these subspaces. Block GMRES initia=
lly seemed quite promising but the increased computational cost was judged =
to exceed the benefits such methods could offer. However, with the advent o=
f large-scale parallel computing environments, methods like block GMRES are=
 again receiving attention. Thus, there is a need to better understand the =
behavior and effectiveness of this method.

We present new convergence results based on a different mathematical interp=
retation of block GMRES, wherein we now interpret our matrix and multiple l=
inear systems as being a single linear system over a *-ring of complex matr=
ices. With this interpretation, one can carefully extend many existing GMRE=
S results to the block GMRES setting. We give an overview of these new resu=
lts.

 ---------------------

Dr Alan Compelli
Postdoctoral Researcher
School of Mathematical Sciences
University College Cork
Ireland

+353 21 420 5813

title:: UCC Applied Maths Seminar
date-time:: Thursday 7 March AT 12pm
location:: WGB G02
content:: Kirk Soodhalter
:: (Trinity College Dublin)
:: presents a talk entitled
:: "Describing and prescribing convergence behavior of block GMRES"
endevent::

--_000_DB6PR0202MB2918600B991DCC552EF19CBF9C710DB6PR0202MB2918_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

Dear Co=
lleagues, 

All are welcome at the following seminar: 

UCC&=
nbsp;Applied Mathematics Seminar

 <=
/span>
Spea=
ker: Kirk Sood=
halter (Trinity College Dublin)

Time and location: 12pm, Thursday 7 March, WGB G02=

Title: Describing and prescribing convergence behavior of block G=
MRES

Abstract: Solution =
of systems of linear equations (i.e., A(x_{0}+t)=3Db) represents the mo=
st computationally intensive task of many problems in computational science=
. When the matrices are large (with millions
 or even billions of unknowns) and sparse (most entries are zero), matrix-f=
ree methods are often the most viable choice for solving such systems. Some=
 of the most successful matrix-free methods are Krylov subspace methods, wh=
ich are efficient methods based
 upon constructing a subspace of polynomials of the matrix times a starting=
 vector.
&n=
bsp;
This sp=
ace is built iteratively and an approximation to t is chosen uniquely from =
the space according to an appropriate constraint. In the celebrated General=
ized Minimum Residual Method (GMRES),
 one takes v=3Db-Ax_{0} and computes the approximation which minimizes |b-A=
(x_{0}+t_{j})|. The GMRES method can be implemented quite efficiently. =
Despite its relative simplicity, the behavior and effectiveness of this met=
hod for specific problems is the subject
 of continuing study and analysis. 
&n=
bsp;
In this=
 talk, we will review some of the more prominent and interesting results re=
garding the behavior of GMRES. We will then present a generalization of GMR=
ES, which was proposed for solving multiple
 linear systems which all have the same coefficient matrix, called block GM=
RES. This method efficiently builds Krylov subspaces for all systems simult=
aneously and selects minimizers for each problem over the sum of these subs=
paces. Block GMRES initially seemed
 quite promising but the increased computational cost was judged to exceed =
the benefits such methods could offer. However, with the advent of large-sc=
ale parallel computing environments, methods like block GMRES are again rec=
eiving attention. Thus, there is
 a need to better understand the behavior and effectiveness of this method.=

&n=
bsp;
We pres=
ent new convergence results based on a different mathematical interpretatio=
n of block GMRES, wherein we now interpret our matrix and multiple linear s=
ystems as being a single linear system
 over a *-ring of complex matrices. With this interpretation, one can caref=
ully extend many existing GMRES results to the block GMRES setting. We give=
 an overview of these new results.

 ---------------------

Dr Alan Compelli

Postdoctoral Researcher

School of Mathematical Sciences

University College Cork

Ireland

+353 21 420 5813

title:: U=
CC
Applied 
Maths Seminar

date-time:: Thursday 7 March AT 12pm

location:: WGB G02

content:: Kirk Soodhalter
:: (Trini=
ty College Dublin)
:: presen=
ts a talk entitled

:: "Describing and prescribing convergence behavior of block GMRES"
endevent::

--_000_DB6PR0202MB2918600B991DCC552EF19CBF9C710DB6PR0202MB2918_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar  4 15:30:59 2019
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Date:         Mon, 4 Mar 2019 15:30:38 +0000
Reply-To:     Abraham Harte 
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From:         Abraham Harte 
Subject: DCU maths sciences colloquium
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--000000000000f684630583467051
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*Speaker*: Kirk Soodhalter (TCD)

*Title*: Describing and prescribing convergence behavior of block GMRES

*Abstract*:  Solutions of systems of linear equations (i.e., A (x_{0} + t)
=3D b) represent the most computationally intensive task of many problems i=
n
computational science. When the matrices are large (with millions or even
billions of unknowns) and sparse (most entries are zero), matrix-free
methods are often the the most viable choice for solving such systems. Some
of the most successful matrix-free methods are Krylov subspace methods,
which are efficient methods based upon constructing a subspace of
polynomials of the matrix times a starting vector, i.e.,

\mathcal{K}_j (A,v) =3D span ( v, Av, A^2v, \ldots, A^{j-1}v ).

This space is built iteratively and an approximation to t is chosen
uniquely from the space according to an appropriate constraint. In the
celebrated
Generalized Minimum Residual Method (GMRES), one takes v =3D b - A x_{0} an=
d
computes the approximation t_{j} \in \mathcal{K}_{j} (A,v) which minimizes
\| b - A(x_{0} + t_{j}) \|.  The GMRES method can be implemented quite
efficiently.  Despite its relative simplicity, the behavior and
effectiveness of this method for specific problems is the subject of
continuing study and analysis.

In this talk, we will review some of the more prominent and interesting
results regarding the behavior of GMRES.  We will then present a
generalization of GMRES, which was proposed for solving multiple linear
systems which all have the same coefficient matrix, called block GMRES.
This method efficiently builds Krylov subspaces for all systems
simultaneously and selects minimizers for each problem over the sum of
these subspaces.  Block GMRES initially seemed quite promising but the
increased computational cost was judged to exceed the benefits such methods
could offer.  However, with the advent of large-scale parallel computing
environments, methods like block GMRES are again receiving attention.
Thus, there is a need to better understand the behavior and effectiveness
of this method.

We present new convergence results based on a different mathematical
interpretation of block GMRES, wherein we now interpret our matrix and
multiple linear systems as being a single linear system over a *-ring of
complex matrices. With this interpretation, one can carefully extend many
existing GMRES results to the block GMRES setting. We give an overview of
these new results.

*Location*: Wednesday, March 6, 2019 at 3pm in XG22, DCU

title:: DCU Maths Colloquium
content::  Kirk Soodhalter (TCD) will speak on
::     Describing and prescribing convergence behavior of block GMRES
date-time:: Wednesday 6th March, 2019 at 3pm
location:: XG22, DCU
endevent:

--=20
*

*S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer*

*T=C3=A1 an r=C3=ADomhphost seo agus aon=20
chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an se=
ola=C3=AD agus sin=20
amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=C3=A9amh anseo.=C2=A0=20
*

*This e-mail and any=20
files transmitted with it are confidential and are intended solely for use=
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--000000000000f684630583467051
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Speaker: Kirk Soodhalter (TCD)

Title:=
=C2=A0Describing and prescribing convergence behavior of block GMRES
Abstract:=C2=A0=C2=A0Solutions of systems of linear equations (i.e.=
, A (x_{0} + t) =3D b) represent the most computationally intensive task of=
 many problems in computational science. When the matrices are large (with =
millions or even billions of unknowns) and sparse (most entries are zero), =
matrix-free methods are often the the most viable choice for solving such s=
ystems. Some of the most successful matrix-free methods are Krylov subspace=
 methods, which are efficient methods based upon constructing a subspace of=
 polynomials of the matrix times a starting vector, i.e.,

	\mathcal{=
K}_j (A,v) =3D span ( v, Av, A^2v, \ldots, A^{j-1}v ).
=C2=A0=C2=A0
T=
his space is built iteratively and an approximation to t is chosen uniquely=
 from the space according to an appropriate constraint. In the celebrated <=
br>Generalized Minimum Residual Method (GMRES), one takes v =3D b - A x_{0}=
 and computes the approximation t_{j} \in \mathcal{K}_{j} (A,v) which minim=
izes
\| b - A(x_{0} + t_{j}) \|.=C2=A0 The GMRES method can be implement=
ed quite efficiently.=C2=A0 Despite its relative simplicity, the behavior a=
nd effectiveness of this method for specific problems is the subject of con=
tinuing study and analysis. 

In this talk, we will review some of th=
e more prominent and interesting results regarding the behavior of GMRES.=
=C2=A0 We will then present a generalization of GMRES, which was proposed f=
or solving multiple linear systems which all have the same coefficient matr=
ix, called block GMRES.=C2=A0 This method efficiently builds Krylov subspac=
es for all systems simultaneously and selects minimizers for each problem o=
ver the sum of these subspaces.=C2=A0 Block GMRES initially seemed quite pr=
omising but the increased computational cost was judged to exceed the benef=
its such methods could offer.=C2=A0 However, with the advent of large-scale=
 parallel computing environments, methods like block GMRES are again receiv=
ing attention.=C2=A0 Thus, there is a need to better understand the behavio=
r and effectiveness of this method.

We present new convergence resul=
ts based on a different mathematical interpretation of block GMRES, wherein=
 we now interpret our matrix and multiple linear systems as being a single =
linear system over a *-ring of complex matrices. With this interpretation, =
one can carefully extend many existing GMRES results to the block GMRES set=
ting. We give an overview of these new results.
<=
/div>Location:=C2=A0Wednesday, March 6, 2019 at 3pm=
 in XG22, DCU=C2=A0=C2=A0

title:: DCU Maths Colloquium
content:=
: =C2=A0Kirk Soodhalter (TCD) will speak on
::=C2=A0 =C2=A0=C2=A0

Describing and prescribing convergence behavior of block GMRES=C2=A0=C2=A0 =
=C2=A0=C2=A0
date-time:: Wednesday 6th March, 2019 at 3pm
location:: =
XG22, DCU
endevent:=C2=A0

S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
on chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an=
 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.

--000000000000f684630583467051--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar  5 14:17:28 2019
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Date:         Tue, 5 Mar 2019 14:17:16 +0000
Reply-To:     "McKay, Ben" 
Sender:       UCD Maths Department Distribution List 
From:         "McKay, Ben" 
Subject: maths: old ICM copies?
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Dear colleagues,

The International Congress of Mathematicians (ICM) is organised every 4 yea=
rs by the International Mathematical Union (IMU). The IMU tries to keep cop=
ies of ICM Proceedings (for free, online: https://www.mathunion.org/icm/pro=
ceedings but also in hard copy).
ICM Proceedings 1893-2014 - International Mathematical Union
Lectures on Mathematics, Delivered From Aug. 28 to Sept. 9, 1893 Before Mem=
bers of the Congress of Mathematics Held in Connection with the World's Fai=
r in Chicago
www.mathunion.org

Some proceedings are missing any hard copy at the IMU. The missing proceedi=
ngs are:
   1893 Chicago
   1893 The Evanston Colloquium
   1897 Zurich
   1900 Paris
   1904 Heidelberg
   1912 Cambridge (UK)
   1920 Strasbourg
   1924 Toronto
   1928 Bologna
   1932 Zurich
   1936 Oslo
   1962 Stockholm [vols. 2-4 missing]
   1966 Moscow [vols. 2-4 missing]

If you have a hard copy of any of these proceedings you are willing to dona=
te, the IMU will pay for shipping to their Berlin headquarters; feel free t=
o contact me directly.

Ben McKay, maths, UCC

--_000_DB6PR0202MB256720C873F61E8E85041F049C720DB6PR0202MB2567_
Content-Type: text/html; charset="iso-8859-1"
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Dear colleagues,

The International Congress of Mathematicians (ICM) is organised every 4 yea=
rs by the International Mathematical Union (IMU). The IMU tries to keep cop=
ies of ICM Proceedings (for free, online:
ht=
tps://www.mathunion.org/icm/proceedings but also in hard copy).

ICM Proceedings 1893-2014 - International Mathematical Union

Lectures on Mathematics, Delivered From Aug. 28 to Sept. 9, 1893 Before Mem=
bers of the Congress of Mathematics Held in Connection with the World's Fai=
r in Chicago

www.mathunion.org

Some proceedings are missing any hard copy at the IMU. The missing proceedi=
ngs are:

   1893 Chicago

   1893 The Evanston Colloquium

   1897 Zurich

   1900 Paris

   1904 Heidelberg

   1912 Cambridge (UK)

   1920 Strasbourg

   1924 Toronto

   1928 Bologna

   1932 Zurich

   1936 Oslo

   1962 Stockholm [vols. 2-4 missing]

   1966 Moscow [vols. 2-4 missing]

If you have a hard copy of any of these proceedings you are willing to dona=
te, the IMU will pay for shipping to their Berlin headquarters; feel free t=
o contact me directly.

Ben McKay, maths, UCC

--_000_DB6PR0202MB256720C873F61E8E85041F049C720DB6PR0202MB2567_--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  7 10:20:05 2019
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Date:         Thu, 7 Mar 2019 10:19:44 +0000
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway today
Comments: To: NUIG-MATHS-SEMINARS listserv.heanet.ie
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Dear All,

We will have a Seminar TODAY at 4pm in ADB1020.

Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.

Nikolaos Pantelidis
from Waterford Institute of Technology

 will speak on

=E2=80=9COn the Riordan Group and the almost-Riordan Group=E2=80=9D

Abstract: A Riordan array is a lower triangular infinite matrix,
constructed by two formal power series in such a way that each of the
columns is generated by them, and the elements of the matrix can be
determined by a recursive formula. Objects that can be expressed by a
sequence of integers are used to construct Riordan arrays, such as
Fibonacci or Catalan numbers. The area of Riordan arrays has been
researched since the early 1990s and applications of them have been found
in many areas of computing such as algorithm analysis, error correcting
codes and wireless communications. Additionally, Riordan arrays have been
used in different scientific areas beyond the borders of Mathematics as
parts of their theory and techniques have been successfully applied in
Molecular Biology for RNA secondary structure enumeration and Chemistry.

In this talk, we are going to discuss some of the current research in the
field of Riordan arrays. More precisely, we show new findings on the
algebraic structure of the main group of Riordan arrays, and relations
between already known Riordan subgroups. Additionally, we present the group
of almost-Riordan arrays and some of its properties.

Contact: Kevin Jennings

Hoping to see you all there,

Haixuan and Michael

Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--0000000000009de42a05837e72e4
Content-Type: text/html; charset="UTF-8"
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Dear All,
We will have a Seminar TODAY at 4pm in ADB1020.
=

 Coffee=
/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
=C2=A0
Nikolaos Pantelidis =
=C2=A0
 from Waterford Institute of Technology
=C2=A0will spe=
ak on 
=
=C2=A0
=
=E2=80=9COn the Riordan Group and the almost-Riordan Group=E2=80=9D<=
/p>
Abstract: A Rior=
dan array is a lower triangular infinite matrix, constructed by two formal =
power series in such a way that each of the columns is generated by them, a=
nd the elements of the matrix can be determined by a recursive formula. Obj=
ects that can be expressed by a sequence of integers are used to construct =
Riordan arrays, such as Fibonacci or Catalan numbers. The area of Riordan a=
rrays has been researched since the early 1990s and applications of them ha=
ve been found in many areas of computing such as algorithm analysis, error =
correcting codes and wireless communications. Additionally, Riordan arrays =
have been used in different scientific areas beyond the borders of Mathemat=
ics as parts of their theory and techniques have been successfully applied =
in Molecular Biology for RNA secondary structure enumeration and Chemistry.=
=C2=A0
In this ta=
lk, we are going to discuss some of the current research in the field of Ri=
ordan arrays. More precisely, we show new findings on the algebraic structu=
re of the main group of Riordan arrays, and relations between already known=
 Riordan subgroups. Additionally, we present the group of almost-Riordan ar=
rays and some of its properties.
=C2=A0
Contact: Kevin Jennings
=C2=A0
Hoping to see you all there=
,
=C2=A0<=
/span>
Haixuan a=
nd Michael
=C2=A0
Future seminars are listed at=C2=A0http://www.nuigalway.ie/=
science/school-of-maths/seminars/ 
=C2=A0

--0000000000009de42a05837e72e4--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  7 10:26:52 2019
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Date:         Thu, 7 Mar 2019 10:26:46 +0000
Reply-To:     Joost Slingerland 
Sender:       UCD Maths Department Distribution List 
From:         Joost Slingerland 
Subject: maths: Maynooth Theoretical Physics Seminar tomorrow -- Patricia Mayer, Augsburg/Maynooth --Variational wave functions for dynamics of Hubbard models
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Dear All,

Tomorrow, Friday, March 8th, there will be a Maynooth Theoretical 
Physics Seminar. Details follow below. All are most welcome to attend. 
-----------------------------------------------------------------------

Speaker: Patricia Mayer (Augsburg/Maynooth)

Time:  Friday March 8th, 2pm
Place: Hall D, Arts building, Maynooth University North Campus

Title: Variational wave functions for dynamics of Hubbard models

Abstract:
Variational wave functions can serve as useful approximations when a 
quantum system is too complicated to solve exactly. For example, many-body 
quantum systems are usually not exactly solvable.  So, variational 
approximations have often been used to investigate ground state properties 
of many-body systems.  A well-known example is the Gutzwiller wave 
function for the equilibrium properties of the Hubbard model. I will 
review the Hubbard model and the Gutzwiller wave function.  I will also 
present the time-dependent variational principle, used for describing 
quantum dynamics of complex systems.  I will then show some results for 
non-equilibrium physics of a particular Hubbard model using the 
time-dependent Gutzwiller wave function.
------------------------------------------------------------------------

Apologies for the late notice. Hope to see some of you there,

Best regards,

Joost Slingerland
Department of Theoretical Physics
Maynooth University

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar  7 10:35:42 2019
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Date:         Thu, 7 Mar 2019 10:35:35 +0000
Reply-To:     "Neil O'Connell" 
Sender:       UCD Maths Department Distribution List 
From:         "Neil O'Connell" 
Subject: maths: UCD Probability Seminar
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UCD Probability Seminar

Speaker:  Christian Korff (Glasgow)

Title:  Cylindric symmetric functions and positivity

Date:    Wednesday, 27th March 2019

Time:    2pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  The ring of symmetric functions takes centre stage in many areas of algebraic combinatorics and probability. What happens if one evaluates symmetric functions at roots of unity? In this talk we will give an overview of the connection between the latter question and the construction of cylindric symmetric functions, which are given as weighted sums of reverse plane partitions which wrap around a cylinder of circumference n where n is the order of the root of unity. The expansion of cylindric symmetric functions in standard bases of the ring of symmetric functions does not always yield non-negative coefficients but we show that the cylindric symmetric functions form so-called "positive subcoalgebras" of the ring of the symmetric functions when viewed as a Hopf algebra. (These terms will be explained.) Here positivity means that the structure constants of the coalgebra are non-negative integers which we show to be equal to Gromov-Witten invariants and tensor multiplicities of the generalised symmetric group.

title:: UCD Probability Seminar
content::  Christian Korff (Glasgow) will speak on
:: Cylindric symmetric functions and positivity
date-time::    Wednesday, 27th March 2019 at 2:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  8 11:31:18 2019
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Date:         Fri, 8 Mar 2019 11:30:45 +0000
Reply-To:     Ciaran Mac an Bhaird 
Sender:       UCD Maths Department Distribution List 
From:         Ciaran Mac an Bhaird 
Subject: Maths: Workshop on tutor and lecturer training and accreditation
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--_000_DB7PR02MB4695207A82BA85026EB7E0E38C4D0DB7PR02MB4695eurp_
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Dear all,

Maynooth University and TU Dublin have the pleasure of announcing the follo=
wing free workshop as part of the National Forum Seminar Series on Friday 1=
2th of April from 11am (Renehan Hall, Maynooth University).

Title: 'Accrediting systems of training for STEM postgraduate tutors and le=
cturers.'

Further details are available from https://www.maynoothuniversity.ie/mathem=
atics-and-statistics/tutorlecturercredits

This workshop should be of particular benefit to those with an interest in =
tutor and lecturer training and professional development opportunities. One=
 presentation will focus on the IMA's induction course for new lecturers in=
 the mathematical sciences. The workshop will also consider the unique set =
of skills that tutors should have, and how to structure an appropriate tuto=
r training program which facilitates the awarding of credit.

Le meas,

Ciar=E1n

title:: Accrediting systems of training for STEM postgraduate tutors and le=
cturers
content:: Michael Grove, Kirsten Pfeiffer, Ciar=E1n O'Sullivan
::  University of Birmingham, NUI Galway, TU Dublin
:: deliver a workshop on training models which are amenable to accreditatio=
n
date-time:: April 12 2019 at 11am.
location:: Maynooth University, Renehan Hall, South Campus
endevent::

Dr. Ciar=E1n Mac an Bhaird

Lecturer and MSC Director

Department of Mathematics and Statistics

Maynooth University

https://www.maynoothuniversity.ie/people/ciar-n-mac-bhaird

http://supportcentre.maths.nuim.ie/

--_000_DB7PR02MB4695207A82BA85026EB7E0E38C4D0DB7PR02MB4695eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Dear all,=

Maynooth University and TU Dublin have the pleasure=
 of announcing the following free workshop as part of the National For=
um Seminar Series on Friday 12th of April
 from 11am (Renehan Hall, Maynooth University). 

Title: ''

Further details are available from&nb=
sp;https://www.maynoothuniversity.ie/mathematics-and-sta=
tistics/tutorlecturercredits

This workshop should be of particular benefit to those w=
ith an interest in tutor and lecturer training and professional development=
 opportunities. One presentation will
 focus on the IMA's induction course for new lecturers in the mathematical =
sciences. The workshop will also consider the unique set of skills that tut=
ors should have, and how to structure an appropriate tutor training program=
 which facilitates the awarding
 of credit.  

Le meas,

Ciar=E1n

title::

Accrediting systems of training for STEM postgraduate tutors and lecturers<=
/span>

::  University of Birmingham, NUI Galway, T=
U Dublin

::
 deliver a workshop on training models which are amenable to accreditation&=
nbsp;

date-time:: April 12 2019 at 11am.

location:: Maynooth University, Renehan Hall,&nb=
sp;South Campus

endevent::

Dr. Ciar=E1n Mac an Bhair=
d

Lecturer and MSC Director=

Department of Mathematics=
 and Statistics

Maynooth University

https:/=
/www.maynoothuniversity.ie/people/ciar-n-mac-bhaird

http://supportcentre.maths.nui=
m.ie/

--_000_DB7PR02MB4695207A82BA85026EB7E0E38C4D0DB7PR02MB4695eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar  8 23:38:21 2019
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Date:         Fri, 8 Mar 2019 23:37:56 +0000
Reply-To:     Barry Wardell 
Sender:       UCD Maths Department Distribution List 
From:         Barry Wardell 
Subject: UCD Applied & Computational Mathematics Seminar, March 11th at 1pm
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Dear Colleagues,

The next seminar in the UCD Applied and Computational Maths Seminar Series =
<
http://maths.ucd.ie/ACMSeminars/> will take place next Monday, 11th March
at 1pm.

Coffee, tea & biscuits will be available in the School of Mathematics &
Statistics common room, ground floor, UCD O'Brien Centre for Science
(North) from 12.40pm.

All are welcome. Details of the seminar follows.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
UCD Applied & Computational Mathematics Seminar
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

*Speaker:* Vakhtang Putkaradze (University of Alberta)
*Time:* Monday, 11th March 2019 at 1pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Geometric theory of flexible and expandable tubes conveying fluid

*Abstract:*
We present a theory for the three-dimensional evolution of tubes with
expandable walls conveying fluid. Our theory can accommodate arbitrary
deformations of the tube, arbitrary elasticity of the walls, and both
compressible and incompressible flows inside the tube. We also present the
theory of propagation of shock waves in such tubes and derive the
conservation laws and Rankine-Hugoniot conditions in arbitrary spatial
configuration of the tubes, and compute several examples of particular
solutions. The theory is derived from a variational treatment of Cosserat
rod theory extended to incorporate expandable walls and moving flow inside
the tube. Time permitting, we shall also show how the geometric approach to
the problem allows writing the Poisson bracket for the system. The results
presented here are useful for biological flows and industrial applications
involving high-speed motion of gas in flexible tubes.

Joint work with Francois Gay-Balmaz (ENS/CNRS). Research partially
supported by NSERC and the University of Alberta. This talk has also been
made possible by the awarding of a James M Flaherty Visiting Professorship
from the Ireland Canada University Foundation, with the assistance of the
Government of Canada/avec l=E2=80=99appui du gouvernement du Canada.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Best wishes,
Barry Wardell

title:: UCD ACM Seminar
date-time:: Monday, 11th March 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content:: Vakhtang Putkaradze (University of Alberta) will speak on
:: Geometric theory of flexible and expandable tubes conveying fluid
endevent::

--00000000000026e94605839db7c2
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear Colleagues,
<=
div dir=3D"ltr">
The next=C2=A0seminar=C2=A0in the UCD=C2=A0=
Applied=C2=A0and Computational Maths=C2=A0Seminar=C2=A0Series <http://maths.ucd.ie/ACMSeminars=
/> will take place next Monday, 11th March at 1pm.

Coffee, tea & biscuits will be available in the School of Mathe=
matics & Statistics common room, ground floor, UCD O'Brien Centre f=
or Science (North) from 12.40pm.

All are welcome. =
Details of the=C2=A0seminar=C2=A0follows.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
UCD=C2=A0Applied=C2=A0&=C2=A0Computational=C2=A0Mathematics=C2=A0S=
eminar
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D

Sp=
eaker:=
=C2=A0Vakhtang Putkaradze=C2=A0(University of Alberta)
<=
b style=3D"font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-s=
ize:12.800000190734863px">Time:=C2=A0Monday,=
 11th March 2019 at 1pm
Locatio=
n:=C2=A01.25 SCN, UCD O'Brien Centre for=
 Science (North)
Title:=C2=A0Geometric theory=
 of flexible and expandable tubes conveying fluid
<=
font face=3D"Roboto, RobotoDraft, Helvetica, Arial, sans-serif">
Abst=
ract:
We present a theory for the thre=
e-dimensional evolution of tubes with expandable walls conveying fluid. Our=
 theory can accommodate arbitrary deformations of the tube, arbitrary elast=
icity of the walls, and both compressible and incompressible flows inside t=
he tube. We also present the theory of propagation of shock waves in such t=
ubes and derive the conservation laws and Rankine-Hugoniot conditions in ar=
bitrary spatial configuration of the tubes, and compute several examples of=
 particular solutions. The theory is derived from a variational treatment o=
f Cosserat rod theory extended to incorporate expandable walls and moving f=
low inside the tube. Time permitting, we shall also show how the geometric =
approach to the problem allows writing the Poisson bracket for the system. =
The results presented here are useful for biological flows and industrial a=
pplications involving high-speed motion of gas in flexible tubes.

Joint work with Francois Gay-Balmaz (ENS/CNRS). Research pa=
rtially supported by NSERC and the University of Alberta. This talk has als=
o been made possible by the awarding of a James M Flaherty Visiting Profess=
orship from the Ireland Canada University Foundation, with the assistance o=
f the Government of Canada/avec l=E2=80=99appui du gouvernement du Canada.<=
/div>

=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=

Best wishes,
Barry=
 Wardell

=
title:: UCD ACM=C2=A0=
Seminar
<=
span style=3D"font-size:12.800000190734863px">date-time::=C2=A0Monda=
y, 11th March 2019 at 1pm
lo=
cation:: 1.25 SCN, UCD O'Brien Centre for Science (North)=

content::=C2=A0Vakhtang Putkaradze=C2=A0(University of Alb=
erta)=C2=A0will speak on
::=C2=A0Geometric theory of flexi=
ble and expandable tubes conveying fluid
endevent::
<=
/div>
<=
/div>

--00000000000026e94605839db7c2--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 09:14:59 2019
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Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: Preservation of asymptotic behaviour in differential equations under deterministic or stochastic forcing.  Friday 15th March at 3p.m. Room A2-002 University of Limerick
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Please note time of Seminar is 3p.m., Friday 15th March.

MACSI at the department of Mathematics and Statistics at the University of =
Limerick invites you to a seminar

Date: Friday,  15th  March 2019, Room A2-002   15.00

Speaker: Prof. John Appleby, Department of Mathematical Sciences, Dublin Ci=
ty University

Title: Preservation of asymptotic behaviour in differential equations under=
 deterministic or stochastic forcing

Abstract: In this talk, we consider autonomous differential equations which=
 have been subjected to forcing terms. The underlying asymptotic behaviour =
of the unforced system U is well-understood, but can be dramatic, as the eq=
uations considered are permitted to be highly nonlinear. Such asymptotic be=
haviour can include blow-up, finite-time convergence to an equilibrium, or =
very rapid growth or decay, of solutions. Different types of forcing terms =
are allowed, which can be deterministic, stochastic, state-dependent, or st=
ate-independent.

The question the talk seeks to address is simply: what is the critical size=
 of the forcing term below which the forced equation P retains an asymptoti=
c property A of the unperturbed equation U, but above which the original as=
ymptotic property A is destroyed? The property A is often a statement about=
 precise growth or decay rates of solutions, or asymptotic estimates when a=
pproaching a  singularity. Therefore, we seek theorems which give necessary=
 and sufficient conditions on the data of equation P for its solutions to i=
nherit property A from U.

Since proofs are generally technical and idiosyncratic to the class of forc=
ing term, we merely give some ideas of the methods used, together with a su=
rvey of recent results. Some remarks concerning the extension of these resu=
lts to functional differential equations, and to the recovery of the contin=
uous-time results in numerical simulations, may also be germane.

Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, email romina.gaburro ul.ie  or Clifford Nolan (061 202766), clifford.nolan=
 ul.ie).

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the m=
athematical modelling and solution of problems which arise in science, engi=
neering and industry in Ireland.

--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F014396EABCexMbx3ulcampu_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

Please note=
 time of Seminar is 3p.m., Friday 15^th March.

MACSI at the dep=
artment of Mathematics and Statistics at the University of Limerick invites=
 you to a seminar

Date: Friday,  15^th  Marc=
h
 2019, Room A2-002   15.00

Speaker: Prof. John Appleby, Department
 of Mathematical Sciences, Dublin City University

Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE"> Preservation of asymptotic
 behaviour in differential equations under deterministic or stochastic forc=
ing 

Abstract: In this talk, we consider
 autonomous differential equations which have been subjected to forcing ter=
ms. The underlying asymptotic behaviour of the unforced system U is well-un=
derstood, but can be dramatic, as the equations considered are permitted to=
 be highly nonlinear. Such asymptotic
 behaviour can include blow-up, finite-time convergence to an equilibrium, =
or very rapid growth or decay, of solutions. Different types of forcing ter=
ms are allowed, which can be deterministic, stochastic, state-dependent, or=
 state-independent. 

The question the=
 talk seeks to address is simply: what is the critical size of the forcing =
term below which the forced equation P retains an asymptotic
 property A of the unperturbed equation U, but above which the original asy=
mptotic property A is destroyed? The property A is often a statement about =
precise growth or decay rates of solutions, or asymptotic estimates when ap=
proaching a  singularity. Therefore,
 we seek theorems which give necessary and sufficient conditions on the dat=
a of equation P for its solutions to inherit property A from U. <=
/o:p>

Since proofs are gene=
rally technical and idiosyncratic to the class of forcing term, we merely g=
ive some ideas of the methods used, together with
 a survey of recent results. Some remarks concerning the extension of these=
 results to functional differential equations, and to the recovery of the c=
ontinuous-time results in numerical simulations, may also be germane. =

Further Informatio=
n: If you have any
 questions regarding this seminar, please direct them to Romina Gaburro (06=
1 2131930, email romina.gaburro ul.ie  or Clifford No=
lan (061 202766), clifford.nolan ul.ie).

--------------------------------------------------=
--------------------------
Supported by Science Foundation Ireland funding, M=
ACSI - the Mathematics Applications Consortium for
 Science and Industry (www.macsi.ul.ie), centred at the University of Limer=
ick, is dedicated to the mathematical modelling and solution of problems wh=
ich arise in science, engineering and
 industry in Ireland.
 =

--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F014396EABCexMbx3ulcampu_--

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Subject: Maths: Maynooth Colloquium in Mathematics and Statistics
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          ,
          mathsstatspgresearch
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          ,
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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 10:20:31 2019
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Subject: maths: Theoretical Physics Seminar - TCD - 14 March
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TCD THEORETICAL PHYSICS SEMINAR
Thursday, 14 March 2019, 2:00 pm

Seminar Room, House 20
School of Mathematics=20
Trinity College Dublin

Speaker: Yang Zhang (Max Planck Institut f=C3=BCr Physik)
Title: Analytic results for two-loop five-point nonplanar amplitudes

Abstract:=20
Multi-loop amplitudes with multiple legs are hardcore problems in the
field of amplitudes. These amplitudes are crucial for the precision =
frontier
of QCD. In this talk, we present the latest progress in this direction: =
the
two-loop five-point nonplanar amplitudes. Without dual conformal =
symmetry,
these amplitudes appear untouchable. However, with new techniques from =
symbol
construction, uniformly transcendental basis, IBP from computational
algebraic geometry, we manage to get the analytical master integrals and
the N=3D4/N=3D8 supersymmetric amplitude. We also provide an outlook for
two-nonplanar loop five-point QCD amplitudes.

All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: TCD Theoretical Physics Seminar
content::Yang Zhang (Max Planck Institut f=C3=BCr Physik)
::Analytic results for two-loop five-point nonplanar amplitudes::
date-time:: 14 March 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::=

--Apple-Mail=_DB2A3C6B-DCF7-4DA6-9E2A-AE5AE6EA3280
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	charset=utf-8

TCD THEORETICAL PHYSICS SEMINAR
Thursday, 14 March 2019, 2:00 pm

Seminar Room, House 20
School of =
Mathematics 
Trinity College Dublin

Speaker: Yang Zhang (Max Planck Institut f=C3=BCr Physik)
Title: Analytic results for two-loop five-point =
nonplanar amplitudes
Abstract: 
Multi-loop =
amplitudes with multiple legs are hardcore problems in the
field of amplitudes. These amplitudes are crucial for the =
precision frontier
of QCD. In this talk, we present the =
latest progress in this direction: the
two-loop five-point =
nonplanar amplitudes. Without dual conformal symmetry,
these=
 amplitudes appear untouchable. However, with new techniques from =
symbol
construction, uniformly transcendental basis, IBP =
from computational
algebraic geometry, we manage to get =
the analytical master integrals and
the N=3D4/N=3D8 =
supersymmetric amplitude. We also provide an outlook for
two-nonplanar loop five-point QCD amplitudes.

All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

title:: TCD Theoretical Physics Seminar
content::Yang Zhang (Max Planck Institut f=C3=BCr =
Physik)
::Analytic results for two-loop five-point =
nonplanar amplitudes::
date-time:: 14 March 2019 at =
2:00 pm
location::Seminar Room House 20, TCD
endevent::=

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From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 10:23:17 2019
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Subject: maths: CETL-MSOR 2019: Second Call for Abstracts
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Dear colleagues,

Apologies for any cross-posting.

*C**ETL-MSOR 2019:  Bringing together mathematics communities*

*5th & 6th September 2019 at Dublin City University, Dublin, Ireland*

*http://www.sigma-network.ac.uk/cetl-msor-conference-2019/
 *

We are pleased to announce our keynote speakers:

   - Dr. Joe Kyle, University of Birmingham
   - Prof. Duncan Lawson, Coventry University
   - Prof. Alice Rogers OBE, King=E2=80=99s College London

*The call for abstracts is now open*.

*The Conference Committee warmly welcomes submissions relating to the
learning and teaching of mathematics and statistics within any discipline
in higher education. For CETL-MSOR 2019, we are particularly keen to
receive submissions that can demonstrate enhancements which are based on
reflective and evidence-informed practice in relation to the following
themes:*

   - Developing communities of learners in mathematics and statistics
   support within, and across, the disciplines.
   - Teaching specialist mathematicians.
   - Inclusive design for mathematics learning.
   - Supporting students on the transition into and out of higher education=
.

We invite you to submit abstracts for oral presentations (20 minute
session), workshops (60 minute session) and lightning talks (3 minute
presentation). We are also interested in receiving student-led submissions.

Please complete the abstract submission form
, save as a PDF
and upload to EasyChair
 by the deadline of=
 *12th
April 2019*.

We will invite speakers to submit a full paper based on your presentation,
which will be considered for publication in a special conference issue of
MSOR Connections, after the conference.

Best wishes,

Eabhnat N=C3=AD Fhloinn, Dublin City University

Shazia Ahmed, University of Glasgow

Michael Grove, University of Birmingham
Ciar=C3=A1n Mac an Bhaird, Maynooth University
Rob Wilson, University of Cardiff

title:: CETL-MSOR 2019
content:: Mathematics Education Conference:  Bringing together mathematics
communities

*::* http://www.sigma-network.ac.uk/cetl-msor-conference-2019/

*::* Dublin City University
*::* Call for abstracts
date-time:: 5th - 6th September 2019
location:: Dublin City University, Glasnevin, Dublin 9
endevent::

--=20
Dr. Eabhnat N=C3=AD Fhloinn
Director of Maths Learning Centre
Room X138A
School of Mathematical Sciences
Dublin City University
(01) 700-7710

--=20
*

*S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer*

*T=C3=A1 an r=C3=ADomhphost seo agus aon=20
chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3=A1id ag an se=
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*This e-mail and any=20
files transmitted with it are confidential and are intended solely for use=
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--000000000000ab0b1e0583cef5aa
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<=
span style=3D"font-size:14.6667px">Dear colleagues,

Apologies for any cross-posting.

=
CETL-MSOR=C2=A02019:=C2=A0 Bringing together mathematics communit=
ies
5th & 6th September=C2=A02019=C2=A0at Dublin City University, Dublin, Ireland=
http://www.sigma-ne=
twork.ac.uk/cetl-msor-conference-2019/=C2=A0
<=
p style=3D"font-family:helvetica,sans-serif;margin:0px 0px 15px;padding:0px=
;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;fo=
nt-stretch:inherit;font-size:14px;line-height:inherit;vertical-align:baseli=
ne;color:rgb(85,85,85)">
We are pleased to announce our keynote speakers:
<=
/p>
Dr. Joe Kyle, University of Birmingham
Prof. Duncan Lawson, Coventry University
Prof. Alice Rogers OBE, King=E2=80=99s College =
London
=C2=A0
The call for abstracts is now open.=C2=A0

The =
Conference Committee warmly welcomes submissions relating to the learning a=
nd teaching of mathematics and statistics within any discipline in higher e=
ducation. For CETL-MSOR 2019, we=C2=A0are particularly keen to receive subm=
issions that can demonstrate enhancements which are based on reflective and=
 evidence-informed practice in relation to the following themes:=
=C2=A0=C2=A0
Developing communities of learners in mathematics and sta=
tistics support within, and across, the disciplines.=C2=A0=C2=A0
=
=
Teaching specialist mathematicians.
Inclusive=
 design for mathematics learning.
<=
li class=3D"MsoNormal" style=3D"margin-left:15px;color:black">Supporting student=
s on the transition into and out of higher education.
We invite you to submit=C2=A0abstracts=C2=
=A0for=C2=A0oral=C2=A0pre=
sentations (20 minute session), workshops (60 minute session) and lightning=
 talks (3 minute presentation). We are also interested in receiving student=
-led submissions.
=C2=A0
Please complete the=C2=A0abstract submis=
sion form, save as a PDF and upload to=C2=A0<=
a href=3D"https://easychair.org/conferences/?conf=3Dcetlmsor2019" target=3D=
"_blank" style=3D"color:blue">EasyChair=C2=
=A0by the deadline of=C2=A012th April=C2=A02019.
=C2=A0We will invite speakers to =
submit a full paper based on your presentation, which will be considered=C2=
=A0for publication in a special conference issue of=C2=A0MSOR=C2=A0Connections, after the conference.
=C2=A0
<=
span style=3D"font-size:11pt;color:black">Best wishes,=

Eabhnat N=C3=AD Fhloinn, Dublin City Universit=
y=C2=A0
Shazia Ahmed, University=C2=A0<=
span style=3D"font-size:11pt">of Glasgow=
Michael Grove, University of Birmingham
=
Ciar=C3=A1n Mac an Bhaird, Maynooth University
Rob Wilson, University of Cardiff

title::=C2=A0CETL-MSOR=C2=A02019=C2=A0
content::=C2=A0Mathematics Education Conference<=
font face=3D"arial, helvetica, sans-serif">:=C2=
=A0 Bringing together mathematics communities=C2=A0=C2=A0=
::<=
span style=3D"font-family:"Times New Roman";font-size:medium">=C2=
=A0http://www.sigma-network.ac.uk/cetl-msor-conference-2019/=C2=A0
::=C2=A0Dubli=
n City University
::=C2=A0Call for abstracts
date-time::=C2=
=A05th - 6th September 2019=C2=A0
location::=C2=A0Dublin City Uni=
versity, Glasnevin, Dublin 9
endevent::=C2=A0=C2=A0=C2=A0

-- 
Dr. Eabhnat N=C3=AD FhloinnDirector of Maths Learn=
ing Centre
Room X138A
School of Mathematical SciencesDublin City University
(01) 700-7710

S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
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 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
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--000000000000ab0b1e0583cef5aa--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 10:50:04 2019
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Reply-To:     David Wilson 
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Subject: maths: Dublin Theoretical Physics Colloquium - March 13th 2019
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Dublin Theoretical Physics Colloquium

Time: Wednesday, 13th of March at 16:00

Location: Synge Theatre, Hamilton Building, TCD

Speaker: Blake D. Sherwin (University of Cambridge, DAMTP)

Title: "CMB Lensing: Fundamental Physics from Maps of the Invisible"

Abstract: 
Dark matter not only forms an invisible cosmic scaffolding within which galaxies form, its distribution in the universe also contains a wealth of information about neutrinos, dark energy, and physics at the earliest, inflationary times. Measurements of gravitational lensing in the cosmic microwave background (CMB) allow this matter distribution to be directly seen and mapped. In my talk, I will explain why ongoing and upcoming measurements of the lensing signal from CMB experiments such as AdvancedACT and Simons Observatory will be remarkably powerful probes of cosmology and fundamental physics. Lensing is not only a signal, however, but also a source of noise that limits how much we can learn about the very early universe. With illustrations from recent work, I will explain why de-lensing - removing the lensing effect to reveal the primordial sky - is crucial for the future of CMB cosmology.

All welcome!

title:: Dublin Theoretical Physics Colloquium
content:: Blake D. Sherwin (University of Cambridge, DAMTP) will speak on
:: CMB Lensing: Fundamental Physics from Maps of the Invisible
date-time::  Wednesday the 13th of March at 16:00
location:: Synge Theatre, Hamilton Building, Trinity College Dublin
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 10:58:36 2019
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Reply-To:     "Dendrinos, Spyridon" 
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Subject: maths: UCC Mathematics Seminar
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Dear Colleagues,

You are welcome to the following seminar:

UCC Mathematics Seminar

Time and location: 4-5pm, Tuesday 19 March 2019, WGB G04

Speaker:  Oliver Mason (Maynooth University)

Title: The Joint Spectral Radius and Extremal Norms in Nonnegative and Max =
Algebra

Abstract:

The joint spectral radius (JSR) helps to characterise the asymptotic behavi=
our of non-homogeneous matrix products, and plays an important role in the =
stability analysis of difference and differential inclusions.  In this talk=
, I will outline some classical results concerning the JSR before going on =
to discuss recent work on the existence of extremal and Barabanov norms for=
 semigroups of nonnegative matrices and matrices over the max algebra.  Tim=
e-permitting, I will also describe some applications to persistence theory =
for switched models in epidemiology.

Best regards,

Spyros Dendrinos

--_000_DB7PR02MB4092AB61EABFF14C5C17D6CFBA480DB7PR02MB4092eurp_
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Dear Coll=
eagues,

You are welcome to the following
seminar:

UCC
Mathematics Seminar

Time and location:
4-5pm, Tuesday 19 March 2019=
, WGB G04

Speaker:  Oliver Ma=
son (Maynooth
 University)

Title:
The
 Joint Spectral Radius and Extremal Norms in Nonnegative and Max Algebra

Abstract:

=
The
 joint spectral radius (JSR) helps to characterise the asymptotic beha=
viour of non-homogeneous matrix products, and plays an important role in&nb=
sp;the stability analysis of difference and differential inclusions. &=
nbsp;In this talk, I will outline some classical results
 concerning the JSR before going on to discuss recent work on the existence=
 of extremal and Barabanov norms for semigroups of nonnegative matrice=
s and matrices over the max algebra.  Time-permitting, I will also des=
cribe some applications to persistence theory
 for switched models in epidemiology.  

Best regards,
Spyros Dendrinos

--_000_DB7PR02MB4092AB61EABFF14C5C17D6CFBA480DB7PR02MB4092eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 11:41:53 2019
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Reply-To:     "Compelli, Alan" 
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Subject: Maths: UCC Applied Mathematics Seminar, Thursday 14 March
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Dear Colleagues,

All are welcome at the following seminar:

UCC Applied Mathematics Seminar

Speaker: Thomas Alazard (ENS Paris-Saclay)

Time and location: 12pm, Thursday 14 March, WGB G02

Title: Control of water waves

Abstract: The incompressible Euler equation with free surface is a nonlinea=
r wave equation dictating the dynamics of the interface separating the air =
from a perfect incompressible fluid. This talk is about the controllability=
 and the stabilization of this equation. The goal is to understand the gene=
ration and the absorption of water waves. These two problems are studied by=
 two different methods: microlocal analysis for the controllability, and st=
udy of global quantities for the stabilization (multiplier method and conse=
rvation laws).

 ---------------------

Dr Alan Compelli
Postdoctoral Researcher
School of Mathematical Sciences
University College Cork
Ireland

+353 21 420 5813

title:: UCC Applied Maths Seminar
date-time:: Thursday 14 March AT 12pm
location:: WGB G02
content:: Thomas Alazard
:: (ENS Paris-Saclay)
:: presents a talk entitled
:: "Control of water waves"
endevent::

--_000_DB6PR0202MB2918FBD48811DCFC3471F62C9C480DB6PR0202MB2918_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

Dear Co=
lleagues, 

All are welcome at the following seminar: 

UCC&=
nbsp;Applied Mathematics Seminar

 <=
/span>
Spea=
ker: Thomas Al=
azard (ENS Paris-Saclay)

Time and location: 12pm, Thursday 14 March, WGB G02

Title: Control of water waves

Abstract: The incom=
pressible Euler equation with free surface is a nonlinear wave equation dic=
tating the dynamics of the interface separating the air from a perfect inco=
mpressible fluid. This talk is about
 the controllability and the stabilization of this equation. The goal is to=
 understand the generation and the absorption of water waves. These two pro=
blems are studied by two different methods: microlocal analysis for the con=
trollability, and study of global
 quantities for the stabilization (multiplier method and conservation laws)=
.

 ---------------------

Dr Alan Compelli

Postdoctoral Researcher

School of Mathematical Sciences

University College Cork

Ireland

+353 21 420 5813

title:: U=
CC
Applied 
Maths Seminar

date-time:: Thursday 14 March AT 12pm

location:: WGB G02

content:: Thomas Alazard
:: (ENS P=
aris-Saclay)
:: presen=
ts a talk entitled

:: "Control of water waves"
endevent::

--_000_DB6PR0202MB2918FBD48811DCFC3471F62C9C480DB6PR0202MB2918_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Mar 11 15:26:06 2019
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Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway
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--0000000000008739c50583d33059
Content-Type: text/plain; charset="UTF-8"

Dear All,

On Friday March 15 at 10.00, Hieu Ha Van will give a30-minute talk on
"Entry Pattern Matrices" in AdB-1020. Coffee in AdBG-022 will follow.
Everyone is welcome.

Contact: Rachel Quinlan

Hoping to see you all there,

Haixuan and Michael

Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--0000000000008739c50583d33059
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dea=
r All,

On F=
riday March 15 at 10.00, Hieu Ha Van will give a30-minute
talk on "Entry Pattern Matrices" in AdB-1020. Coffee in AdBG-022 =
will
follow. Everyone is welcome.

=C2=
=A0

=C2=
=A0

Cont=
act: Rachel Quinlan

=C2=
=A0

Hopi=
ng to see you all there,

=C2=
=A0

Haix=
uan and Michael

=C2=
=A0

Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/

--0000000000008739c50583d33059--

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Reply-To:     Graham Kells 
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From:         Graham Kells 
Subject: Maths: DIAS, STP Seminar - Thursday, 14 March, 4.00 pm
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DIAS, STP Seminar - Thursday, 14 March, 4.00 pm =20

Speaker:  Professor Yongmin Cho, Sogang University, Korea

Title: The electroweak monopole: the theory behind it, properties and =
its relevance in cosmology

Time: 4pm, Thursday 14 March,=20

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 =
Burlington Road, Dublin 4

Abstract: The electroweak monopole in the standard model, the existence, =
characteristic features, cosmological production, and physical =
implications are discussed. The discovery of Higgs particle has been =
thought to be the 'final' test of the standard model. If the standard =
model is correct, however, it must have the electroweak monopole as the =
electroweak generalization of the Dirac monopole. This means that the =
detection of this monopole should become the final and topological test =
of the standard model. If detected, it becomes the first magnetically =
charged and stable topological elementary particle in the history of =
physics. Moreover, it has deep implications in physics. In cosmology it =
could generate the primordial magnetic black holes which could explain =
the dark matter, become the seed of the large scale structures of the =
universe, and be the source of the intergalactic magnetic field. As =
importantly, it could generate the hitherto unknown magnetic current =
that could have huge practical applications. Furthermore the existence =
of the monopole requires us to reformulate the perturbative expansion in =
quantum field theory. This makes the detection of the electroweak =
monopole a most urgent issue. Useful tips for the MoEDAL detector at LHC =
and similar experiments to detect the monopole are discussed.

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Professor Yongmin Cho
date-time:: 14 March 2019 at 4:00 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::
=20

--Apple-Mail=_36C9F69A-A63D-4758-9060-BA8F3B92E5B3
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	charset=us-ascii

DIAS, STP Seminar - =
Thursday, 14 March, 4.00 pm  

Speaker:  Professor Yongmin Cho, Sogang University, =
Korea

Title: The electroweak monopole: the theory =
behind it, properties and its relevance in cosmology
Time: 4pm, Thursday 14 =
March, 

Place: Lecture =
Room, 1st Floor, School of Theoretical Physics, DIAS, 10 Burlington =
Road, Dublin 4

Abstract: The =
electroweak monopole in the standard model, the existence, =
characteristic features, cosmological production, and physical =
implications are discussed. The discovery of Higgs particle has been =
thought to be the 'final' test of the standard model. If the standard =
model is correct, however, it must have the electroweak monopole as the =
electroweak generalization of the Dirac monopole. This means that the =
detection of this monopole should become the final and topological test =
of the standard model. If detected, it becomes the first magnetically =
charged and stable topological elementary particle in the history of =
physics. Moreover, it has deep implications in physics. In cosmology it =
could generate the primordial magnetic black holes which could explain =
the dark matter, become the seed of the large scale structures of the =
universe, and be the source of the intergalactic magnetic field. As =
importantly, it could generate the hitherto unknown magnetic current =
that could have huge practical applications. Furthermore the existence =
of the monopole requires us to reformulate the perturbative expansion in =
quantum field theory. This makes the detection of the electroweak =
monopole a most urgent issue. Useful tips for the MoEDAL detector at LHC =
and similar experiments to detect the monopole are discussed.

All welcome!
&&&&&&&&&&&&&am=
p;&&&&&&&&&&&&&&&a=
mp;&&&&&&&&&&&&&&&=
amp;&&&&&&&&&&&
title:: DIAS Theoretical Physics Seminar
content:: Professor =
Yongmin Cho
date-time:: 14 March 2019 at 4:00 pm
location:: School of Theoretical =
Physics, DIAS. 10 Burlington Road, D.4.
endevent::

=

--Apple-Mail=_36C9F69A-A63D-4758-9060-BA8F3B92E5B3--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 12 16:29:05 2019
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Date:         Tue, 12 Mar 2019 16:28:49 +0000
Reply-To:     Kirk Soodhalter 
Sender:       UCD Maths Department Distribution List 
From:         Kirk Soodhalter 
Subject: maths: Trinity College Computational Applied Mathematics Seminar seminar, tomorrow Wednesday 13. March, 10am
Comments: cc: Maria Shtilmark 
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Dear Colleagues,

This email is to announce the next seminar of 2019 in the Trinity =
College Computational Applied Mathematics Seminar, which will take place =
this Wednesday, 13. March at 10am in the New Seminar Room, Hamilton =
Building, School of Mathematics. =20

All are welcome.  Details of the seminar follow.

################################################

Speaker: Ronny Ramlau (Johannes Kepler University, Linz, Austria)
Time: Wednesday, 13. March at 10am
Location: New Seminar Room, Hamilton Building, School of Mathematics

Title: Inverse Problems in Adaptive Optics

Abstract:=20
The image quality of ground based astronomical telescopes suffers from
turbulences in the atmosphere. Adaptive Optics (AO) systems use =
wavefront
sensor measurements of incoming light from guide stars to determine
an optimal shape of deformable mirrors (DM) such that the image of the
scientific object is corrected after reflection on the DM(s). The =
operation of
the AO systems of the new generation of large astronomical telescopes =
under
construction requires new mathematical methods that achieve =
reconstruction in real time. In the talk we will in particular focus on =
methods for wavefront
reconstruction from pyramid sensor data and an analysis of the =
atmospheric tomography operator.
################################################

Sincerely,

Kirk Soodhalter
################################################
Kirk M. Soodhalter
Ussher Assistant Professor in Numerical Analysis
Trinity College Dublin
The University of Dublin
School of Mathematics=20
ksoodha maths.tcd.ie 
http://math.soodhalter.com
Phone: +353-1-896 8515
School Fax: +353-1-896 2282
Skype: ksoodha
################################################

title:: Block Krylov methods for matrix function evaluations
content:: Ronny Ramlau (Johannes Kepler University, Linz, Austria) =
Inverse Problems in Adaptive Optics. =20
:: The image quality of ground based astronomical telescopes suffers =
from
:: turbulences in the atmosphere. Adaptive Optics (AO) systems use =
wavefront
:: sensor measurements of incoming light from guide stars to determine
:: an optimal shape of deformable mirrors (DM) such that the image of =
the
:: scientific object is corrected after reflection on the DM(s). The =
operation of
:: the AO systems of the new generation of large astronomical telescopes =
under
:: construction requires new mathematical methods that achieve =
reconstruction in real time. In the talk we will in particular focus on =
methods for wavefront
:: reconstruction from pyramid sensor data and an analysis of the =
atmospheric tomography operator.
date-time:: 13th March 2019 at 10:00
location:: New Seminar Room, Hamilton Building, School of Mathematics
endevent::

--Apple-Mail=_424D84B3-5788-4EBF-B0F2-16989C73071B
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=us-ascii

Dear =
Colleagues,

This=
 email is to announce the next seminar of 2019 in the Trinity College =
Computational Applied Mathematics Seminar, which will take place this =
Wednesday, 13. March at 10am in the New Seminar Room, Hamilton =
Building, School of Mathematics.  

All are welcome.  Details of the seminar =
follow.

################################################

Speaker: Ronny Ramlau (Johannes Kepler =
University, Linz, Austria)
Time: Wednesday, 13. March at =
10am
Location: New Seminar Room, Hamilton =
Building, School of Mathematics

Title: Inverse Problems in Adaptive Optics

Abstract: 
The image quality of ground based =
astronomical telescopes suffers from
turbulences in the atmosphere. =
Adaptive Optics (AO) systems use wavefront
sensor measurements of incoming =
light from guide stars to determine
an optimal shape of deformable =
mirrors (DM) such that the image of the
scientific object is corrected =
after reflection on the DM(s). The operation of
the AO systems of the new =
generation of large astronomical telescopes under
construction requires new =
mathematical methods that achieve reconstruction in real time. In the =
talk we will in particular focus on methods for =
wavefront
reconstruction from =
pyramid sensor data and an analysis of the atmospheric tomography =
operator.##############################################=
##

Sincerely,

Kirk Soodhalter

################################################
Kirk M. Soodhalter
Ussher Assistant Professor =
in Numerical Analysis
Trinity College DublinThe University of Dublin
School of =
Mathematics 
ksoodha maths.tcd.ie
http://math.soodhalter.com
Phone: =
+353-1-896 8515
School Fax: +353-1-896 =
2282
Skype: ksoodha
################################################

title:: Block Krylov methods =
for matrix function evaluations
content:: Ronny =
Ramlau (Johannes Kepler University, Linz, Austria) Inverse =
Problems in Adaptive Optics.  
:: The image quality of =
ground based astronomical telescopes suffers from
:: =
turbulences in the atmosphere. Adaptive Optics (AO) systems use =
wavefront
:: sensor measurements of incoming =
light from guide stars to determine
:: an =
optimal shape of deformable mirrors (DM) such that the image of =
the
:: scientific object is corrected =
after reflection on the DM(s). The operation of
:: =
the AO systems of the new generation of large astronomical telescopes =
under
:: construction requires new =
mathematical methods that achieve reconstruction in real time. In the =
talk we will in particular focus on methods for =
wavefront
:: reconstruction from pyramid =
sensor data and an analysis of the atmospheric tomography =
operator.
date-time:: 13th March 2019 at =
10:00
location:: New Seminar Room, Hamilton =
Building, School of Mathematics
endevent::

=

--Apple-Mail=_424D84B3-5788-4EBF-B0F2-16989C73071B--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 13 13:21:51 2019
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Reply-To:     George Rogers 
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From:         George Rogers 
Subject: Maths: DIAS, STP Seminar - Tuesday, 19 March, 4.30 pm
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Tues. 19th March 2019, 4.30 pm

Speaker: Dr. Alessandro Romito

Title: Heat transfer from topologically protected dynamics of Majorana 
zero modes.

Abstract: Quantum systems can have degenerate ground states protected 
against local fluctuations with exponential accuracy in the system size 
due to topology (as opposed to symmetry) properties. In certain systems, 
like topological superconductors, the degenerate ground state is spanned 
by zero energy modes with non-abelian statistics, Majorana zero-modes. 
These excitations are of extreme interest for both their fundamental 
properties and as a platform to implement protected unitary operations 
for quantum information processing. A number of experiments have 
reported signatures of Majorana zero modes in engineered superconducting 
nanostructures. The actual focus of research is on controlling and 
detecting their topological dynamics.

In this talk, after reviewing the general properties of Majorana zero 
modes, I will discuss the energetics associated with the topological 
protected dynamics, specifically a Majorana zero-modes braiding in 
1-dimensional networks (e.g. quantum wires). This is a topologically 
protected non-trivial operation. I will show that the braiding operation 
is able to pump energy (heat) between two external reservoirs, as 
opposed to a vanishing pumped charge. The differential pumped heat per 
energy is quantised to a universal coefficient that reflects the system 
protected dynamics. I will finally discuss the robustness and generality 
of the findings and their implications for certain thermodynamic 
fluctuation theorems.

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 
Burlington Road, Dublin 4

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Dr. Alessandro Romito
date-time:: 19 March 2019, 4:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 13 23:30:57 2019
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Date:         Wed, 13 Mar 2019 19:30:06 -0400
Reply-To:     Colm Mulcahy 
Sender:       UCD Maths Department Distribution List 
From:         Colm Mulcahy 
Subject: maths: Donegal maths blog revisited
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--000000000000ddfed20584023101
Content-Type: text/plain; charset="UTF-8"

Greetings from the Rosses in Donegal.

The Donegal blog in June 2017 at http://www.mathsireland.ie/blog/2017_06_cm

was the first "regional/county" blog at

http://www.mathsireland.ie/blog

It was hoped that this (and similar blogs) would lead to people writing to
point out omissions; to our surprise, such communications have been
relatively scarce so far. (They would be very, very welcome!)

While we have thousands of Irish maths people documented at
http://cardcolm.org/AIMM.html there are a great number for whom we don't
know birth or home county (hence ALL county blogs are missing dozens of
people).

Typically this is because either the unidentified (by county) people lived
a long time ago, and info on them in general is sketchy, or they were born
after 1958, and hence Irish Birth Record Indices are not available for RoI
(of course NI public records stopped in 1922).

In the 21 months since the Donegal blog first went up, several people we
already knew about were identified as being from Donegal,

Being in Donegal, this week it seemed like an opportune time to add the new
people to the blog. Little did we realise how many had piled up: the number
of people featured has actually doubled!

All earlier entries have been checked, modified and polished.

HOWEVER, the interactive map has not yet been updated. We need technical
help with these maps in general; that's why they only showed up in the
first few county blogs.  If anyone can assist here, please speak up.
Thanks.

c

Colm Mulcahy, Professor of Mathematics, Spelman College, Sci 154, PO Box
953, Atlanta, GA 30314, USA,  colm spelman.edu, www.cardcolm.org,  cardcolm
 Annals of Irish Maths

--000000000000ddfed20584023101
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Greetings from the =
Rosses in Donegal.

The Don=
egal blog in June 2017 at http://www.mathsireland.ie/blog/2017_06_cm
was=
 the first "regional/county" blog at=C2=A0

http://www.mathsireland.ie/b=
log

It was hoped that this (and similar bl=
ogs) would lead to people writing to point out omissions; to our surprise, =
such communications have been relatively scarce so far. (They would be very=
, very welcome!)

While we have thousands of Irish =
maths people documented at=C2=A0h=
ttp://cardcolm.org/AIMM.html there are a great number for whom we don&#=
39;t know birth or home county (hence ALL county blogs are missing dozens o=
f people).

Typically this is because either the un=
identified (by county) people lived a long time ago, and info on them in ge=
neral is sketchy, or they were born after 1958, and hence Irish Birth Recor=
d Indices are not available for RoI (of course NI public records stopped in=
 1922).

In the 21 months since the Donegal blog fi=
rst went up, several people we already knew about were identified as being =
from Donegal,=C2=A0

Being in Donegal, this week it=
 seemed like an opportune time to add the new people to the blog. Little di=
d we realise how many had piled up: the number of people featured has actua=
lly doubled!

All earlier entries have been checked=
, modified and polished.

HOWEVER, the interactive =
map has not yet been updated. We need technical help with these maps in gen=
eral; that's why they only showed up in the first few county blogs.=C2=
=A0 If anyone can assist here, please speak up.=C2=A0 Thanks.
c
Colm Mulcahy, Professor of Mathematics=
, Spelman College,=C2=A0Sci 154, PO Box 953, Atlanta, GA 30314, USA,=C2=A0=
=C2=A0colm spel=
man.edu,=C2=A0www.cardcolm.=
org,  cardcolm=C2=A0Annals of Irish Maths=C2=A0
<=
br>

--000000000000ddfed20584023101--

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Reply-To:     Seminars Maths NUIG 
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Dear All,

Tomorrow Friday March 15 at 10.00, Hieu Ha Van will give a30-minute talk on
"Entry Pattern Matrices" in AdB-1020. Coffee in AdBG-022 will follow.
Everyone is welcome.

Contact: Rachel Quinlan

Hoping to see you all there,

Haixuan and Michael

Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--000000000000bb71a405840b46a8
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Dea=
r All,

Tomo=
rrow Friday March 15 at 10.00, Hieu Ha Van will give a30-minute
talk on "Entry Pattern Matrices" in AdB-1020. Coffee in AdBG-022 =
will
follow. Everyone is welcome.

=C2=
=A0

=C2=
=A0

Cont=
act: Rachel Quinlan

=C2=
=A0

Hopi=
ng to see you all there,

=C2=
=A0

Haix=
uan and Michael

=C2=
=A0

Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/

--000000000000bb71a405840b46a8--

From owner-mathdep LISTSERV.HEANET.IE  Thu Mar 14 10:34:28 2019
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Reply-To:     Joost Slingerland 
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From:         Joost Slingerland 
Subject: maths: Maynooth Theoretical Physics Seminar tomorrow -- Hannah Price, Birmingham University -- Simulating higher spatial dimensions with atoms and photons
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Dear All,

Tomorrow, Friday, March 15th, there will be a Maynooth Theoretical Physics 
Seminar. Details follow below. All are most welcome to attend. 
-----------------------------------------------------------------------

Speaker: Hannah Price (Birmingham University)

Time:  Friday March 15th, 2pm
Place: Hall D, Arts building, Maynooth University North Campus

Title: Simulating higher spatial dimensions with atoms and photons

Abstract:
Spatial dimensionality deeply affects the physical phenomena which can 
emerge in a system. Our physical world has three spatial dimensions, and 
so condensed matter physicists have long asked what happens when quantum 
particles are effectively confined to move in 1D, 2D or 3D geometries. 
However, recent advances in ultracold atomic and photonics systems are now 
providing ways to go beyond these limitations, in order to simulate the 
physics associated with four or more effective spatial dimensions. As I 
will present, the development of techniques such as "synthetic 
dimensions" and "topological pumping" with photons or atoms can 
allow us to explore higher-dimensional phenomena, such as the 4D 
topological quantum Hall effect, for the first time.

------------------------------------------------------------------------

Apologies for the late notice. Hope to see some of you there,

Best regards,

Joost Slingerland
Department of Theoretical Physics
Maynooth University

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Subject: Maths: DIAS, STP Seminar - TODAY, 4.00 pm
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DIAS, STP Seminar - Thursday, 14 March, 4.00 pm
Speaker:  Professor Yongmin Cho, Sogang University, Korea

Title: The electroweak monopole: the theory behind it, properties and 
its relevance in cosmology

Time: 4pm, Thursday 14 March,
Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 
Burlington Road, Dublin 4

Abstract: The electroweak monopole in the standard model, the existence, 
characteristic features, cosmological production, and physical 
implications are discussed. The discovery of Higgs particle has been 
thought to be the 'final' test of the standard model. If the standard 
model is correct, however, it must have the electroweak monopole as the 
electroweak generalization of the Dirac monopole. This means that the 
detection of this monopole should become the final and topological test 
of the standard model. If detected, it becomes the first magnetically 
charged and stable topological elementary particle in the history of 
physics. Moreover, it has deep implications in physics. In cosmology it 
could generate the primordial magnetic black holes which could explain 
the dark matter, become the seed of the large scale structures of the 
universe, and be the source of the intergalactic magnetic field. As 
importantly, it could generate the hitherto unknown magnetic current 
that could have huge practical applications. Furthermore the existence 
of the monopole requires us to reformulate the perturbative expansion in 
quantum field theory. This makes the detection of the electroweak 
monopole a most urgent issue. Useful tips for the MoEDAL detector at LHC 
and similar experiments to detect the monopole are discussed.

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Professor Yongmin Cho
date-time:: 14 March 2019 at 4:00 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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Reply-To:     "Romina.Gaburro" 
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From:         "Romina.Gaburro" 
Subject: I: Maths: ICTP Gender Gap Meeting/ OWSD Early Career Fellowship for women scientists
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Dear Colleagues,

please see below the message from Marie-Francoise Roy about the meeting on =
the Gender Project at ICTP in Trieste this November 2019 and the call for a=
pplications for the OWSD Early Career Fellowship for women scientists.

Dear CWM ambassadors

Please feel free to distribute the information to your network.

a) Invitation to register to the Final  Meeting of the Gender Gap Project a=
t ICTP from 4 to 8 November.

You are kindly invited to register at the final  meeting of the Gender Gap =
in Science Project taking place at ICTP Trieste 4-8 november 2019.

The registration is now open at http://indico.ictp.it/event/8731/ . It will=
 be closed on August 2.

The first aim of the meeting at ICTP   is to report on the methodology, too=
ls produced and results of the project and formulate recommendations and op=
en questions based on its results. All talks will be informed by the result=
s of the survey, data analysis of publications, and compilation of good pra=
ctices.  A second aim  is to present the tools  of our project and make it =
possible for attendees to learn ow to use them and  answer their own questi=
ons.

The program of the meeting will include computer activities and discussions=
 in little groups.

There will be a selection process due to budget limitation and to our wish =
to ensure a geographical and thematical balance. If you have grants or fund=
ing you can use for your participation please say so when you register, it =
will make possible for more people to attend.

b) Call for Applications for OWSD Early Career Fellowship for women scienti=
sts NOW OPEN.

This Fellowship is a prestigious award of up to USD 50,000, generously prov=
ided by Canada=92s International Development Research Centre (IDRC), and is=
 offered to women scientists from eligible Science and Technology Lagging C=
ountries (STL=
Cs) who have completed their PhDs in science, technology, engineering and m=
athematics subjects within the last 10 years and are employed at an academi=
c or scientific research institute in one of the eligible countries. Early =
Career fellows are supported for two years to continue their research at an=
 international level while based at their home institutes, to build up rese=
arch groups that will attract international visitors, and to link with indu=
stry.

The fellowship provides funding for a wide range of expenses, including equ=
ipment, consumables, research visits, exchanges and programmes, teaching an=
d assistance, information resources, product development and linking with i=
ndustry, outreach, communications and networking, and other expenses. A ful=
l list of eligible expenses is available in the attached Call for Applicati=
ons. Fellows will also take part in two training workshops on leadership an=
d entrepreneurial skills.

All details regarding eligibility, specifications of the research projects,=
 selection and how to apply are available at: https://owsd.net/career-devel=
opment/early-career-women-scientists-ecws-fellowships

The deadline for completed online applications is 30 April 2019.

The official language for the application is English; however, all informat=
ion about the programme will also be available in French shortly at: https:=
//bit.ly/2IKPfRZ

A short video from a workshop with the first cohort of 2018 Early Career fe=
llows can be viewed at: https://www.youtube.com/watch?v=3DclEGGxjIz1g.

Please also find attached a poster which can be printed and posted at your =
institutions. We encourage you to share this opportunity with women scienti=
sts and others in your networks.

Questions about this fellowship can be sent to earlycareer owsd.net.

--
Marie-Francoise Roy
chair of the IMU Committee for Women in Mathematics mathunion.org/cwm/
coordinator of the Gender Gap in Science project gender-gap-in-science.org

Best wishes,

Romina

Dr. Romina Gaburro
Lecturer in Applied Mathematics
Department of Mathematics & Statistics
University of Limerick
Tel: +353 (0)61 213193
Fax: +353 (0)61 334927
Email: romina.gaburro ul.ie

--_000_268817BC53641D46A5221B6379D51491014380E6F3exMbx3ulcampu_
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Dear Colleagues,

please see below the message from Marie-Francoise Roy about the meetin=
g on the
Gender Project at ICTP in Trieste this November =
2019 and the call for applications for the
OWSD Early Career Fellowship for women scientist=
s.

Dear CWM ambassadors
Please feel free to distribute the information to y=
our network.

a) Invitation to register to the Final  Mee=
ting of the Gender Gap Project at ICTP from 4 to 8 November.
You are kindly invited to register at the final&nbs=
p; meeting of the Gender Gap in Science Project taking place at ICTP Triest=
e 4-8 november 2019.

The registration is now open at 
http://indico.ictp.it/event/8731/ . It will be closed on August 2. 

The first aim of the meeting at ICTP   is to report on the method=
ology, tools produced and results of the project and formulate recommendati=
ons and open questions based on its results. All talks will be informed by =
the results of the survey, data analysis of
 publications, and compilation of good practices.  A second aim  =
is to present the tools  of our project and make it possible for atten=
dees to learn ow to use them and  answer their own questions.

The program of the meeting will include computer activities and discussions=
 in little groups.

There will be a selection process due to budget limitation and to our wish =
to ensure a geographical and thematical balance. If you have grants or fund=
ing you can use for your participation please say so when you register, it =
will make possible for more people
 to attend.
b) Call for Applications for OWSD Early Career F=
ellowship for women scientists NOW OPEN.

This Fellowship is a prestigious award of up to USD 50,000, generously prov=
ided by Canada=92s International Development Research Centre (IDRC), and is=
 offered to women scientists from eligible

Science and Technology Lagging Countries (STLCs) who have completed the=
ir PhDs in science, technology, engineering and mathematics subjects within=
 the last 10 years and are employed at an academic or scientific research i=
nstitute in one of the eligible
 countries. Early Career fellows are supported for two years to continue th=
eir research at an international level while based at their home institutes=
, to build up research groups that will attract international visitors, and=
 to link with industry.

The fellowship provides funding for a wide range of expenses, including equ=
ipment, consumables, research visits, exchanges and programmes, teaching an=
d assistance, information resources, product development and linking with i=
ndustry, outreach, communications
 and networking, and other expenses. A full list of eligible expenses is av=
ailable in the attached Call for Applications. Fellows will also take part =
in two training workshops on leadership and entrepreneurial skills.<=
span lang=3D"EN-IE">

All details regarding eligibility, specifications o=
f the research projects, selection and how to apply are available at:

https://owsd.net/career-development/early-career-women-scientists-ecws-fell=
owships

The deadline for completed online applications is <=
font size=3D"+1">
30 April 2019.

The official language for the application is English; however, all informat=
ion about the programme will also be available in French shortly at:
https://bit.ly/2IKPfRZ
A short video from a workshop with the first cohort=
 of 2018 Early Career fellows can be viewed at:

https://www.youtube.com/watch?v=3DclEGGxjIz1g.

Please also find attached a poster which can be printed and posted at your =
institutions. We encourage you to share this opportunity with women scienti=
sts and others in your networks.

Questions about this fellowship can be sent to 
earlycareer owsd.net. 
-- =0A=
Marie-Francoise Roy=0A=
chair of the IMU Committee for Women in Mathematics mathunion.org/cwm/=0A=
coordinator of the Gender Gap in Science project gender-gap-in-science.org<=
/pre>
Best wishes,
Romina
Dr. Romina Gaburro
Lecturer in Applied MathematicsDepartment of Mathematics & Statistics<=
div style=3D"font-family:'Segoe UI',Helvetica,Arial,sans-serif; white-space=
:normal; margin:0px">University of Limerick<=
font face=3D"Goudy Old Style,serif" color=3D"#0070C0">Tel: +353 (0)61 2=
13193
Fax: +353 (0)61 334927=
Email: romina.gaburro ul.=
ie

--_000_268817BC53641D46A5221B6379D51491014380E6F3exMbx3ulcampu_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 15 11:09:02 2019
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Date:         Fri, 15 Mar 2019 11:08:57 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: May 12 initiative in honour of Maryam Mirzakhani
To:           MATHDEP LISTSERV.HEANET.IE
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--_000_268817BC53641D46A5221B6379D51491014380F7E9exMbx3ulcampu_
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Dear All,

please find below another message from Marie-Francoise regarding the Celebr=
ation for Women in Mathematics on May the 12th in honour of Maryam Mirzakha=
ni on the occasion of the day of her birthday.

Dear CWM ambassadors

This letter is to inform you about May 12, a Celebration for Women in
Mathematics,  https://may12.womeninmaths.org/#

  May 12 was chosen because it is the birthdate of Maryam Mirzakhani.
The initiative was  proposed by the Women's Committee of the Iranian
Mathematical Society and voted by a vast majority of attendees to (WM)=B2,
the World Meeting for Women on Mathematics on last July 31 in Rio.

Several suggestions for local activities around May 12 are listed on
https://may12.womeninmaths.org/#

The initiative is  supported by several organisations for women in
mathematics worldwide (European Women in Mathematics, Association for
Women in Mathematics, African Women in Mathematics Association, Indian
Women and Mathematics, Colectivo de Mujeres Matem=E1ticas de Chile and the
Women's Committee of the Iranian Mathematical Society).

The initiative is welcoming  the support of more organizations, the
conditions are as follows

- accepting to put the name of their organization on the website
- sending a contact name
- disseminating the initiative through their channels
- post the information of their activities around May 12 on the May 12
website.

Organizations are invited to contact the coordination group of May 12
through the website https://may12.womeninmaths.org/# or using the adress
may12 womeninmaths.org.

Please feel free to disseminate the information

All the best

Marie-Francoise

--
Marie-Francoise Roy
chair of the IMU Committee for Women in Mathematics mathunion.org/cwm/
coordinator of the Gender Gap in Science project gender-gap-in-science.org

Best wishes,

Romina

Dr. Romina Gaburro
Lecturer in Applied Mathematics
Department of Mathematics & Statistics
University of Limerick
Tel: +353 (0)61 213193
Fax: +353 (0)61 334927
Email: romina.gaburro ul.ie

--_000_268817BC53641D46A5221B6379D51491014380F7E9exMbx3ulcampu_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Dear All,

please find below another message from=
 Marie-Francoise regarding the Celebration for Women in Mathematics on
May the 12th in honour of Maryam Mirzakhani on t=
he occasion of the day of her birthday.

Dear CWM ambassadors

This letter is to =
inform you about May 12, a Celebration for Women in 

Mathematics, =
 https://may12.womeninma=
ths.org/#

  May 12=
 was chosen because it is the birthdate of Maryam Mirzakhani. <=
br style=3D"font-family: monospace; font-size: 16px;">
The initiative was=
  proposed by the Women's Committee of the Iranian 

Mathematical Socie=
ty and voted by a vast majority of attendees to (WM)=B2, 

the World Meeting =
for Women on Mathematics on last July 31 in Rio.

Several suggestion=
s for local activities around May 12 are listed on 

https://may12.womeninmaths.org/#=

The initiative is&=
nbsp; supported by several organisations for women in 

mathematics worldw=
ide (European Women in Mathematics, Association for 

Women in Mathemati=
cs, African Women in Mathematics Association, Indian 

Women and Mathemat=
ics, Colectivo de Mujeres Matem=E1ticas de Chile and the 

Women's Committee =
of the Iranian Mathematical Society).

The initiative is =
welcoming  the support of more organizations, the 

conditions are as =
follows

- accepting to put=
 the name of their organization on the website

- sending a contac=
t name

- disseminating th=
e initiative through their channels

- post the informa=
tion of their activities around May 12 on the May 12 

website.

Organizations are =
invited to contact the coordination group of May 12  

through the websit=
e https://may12.womeninm=
aths.org/#&nbs=
p;or
 using the adress 

may12 womeninmaths=
.org.

Please feel free t=
o disseminate the information

All the best

Marie-Francoise

-- 
Marie-Francoise Ro=
y

chair of the IMU C=
ommittee for Women in Mathematics mathunion.org/cwm/

coordinator of the=
 Gender Gap in Science project gender-gap-in-science.org

Best wishes,

Romina

=
Dr. Romina GaburroLecturer in Applied Mathematics<=
/div>=
Department of Mathematics & Statistics=
University of Limeri=
ck
Tel: +353 (0)=
61 213193
Fax: +=
353 (0)61 334927
Emai=
l: romina.gaburro ul.ie

--_000_268817BC53641D46A5221B6379D51491014380F7E9exMbx3ulcampu_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 15 15:11:53 2019
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Date:         Fri, 15 Mar 2019 15:11:45 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: Seismic imaging with the elliptic Radon transform. Friday 22nd March, Room A2-002 4p.m. University of Limerick
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MACSI at the department of Mathematics and Statistics at the University of =
Limerick invites you to a seminar

Date: Friday,  22nd March 2019, Room A2-002   16.00

Speaker: Prof. Dr. Andreas Rieder (Department of Mathematics, Karlsruhe Ins=
titute of Technology, Germany).

 Title: Seismic imaging with the elliptic Radon transform.

 Abstract: The elliptic Radon transform (eRT) integrates functions over ell=
ipses (2D) and ellipsoids of revolution (3D). It thus serves as a model for=
 linearized seismic imaging under the common offset scanning geometry where=
 sources and receivers are offset by a constant vector. As an inversion for=
mula of eRT is unknown we propose certain imaging operators (generalized ba=
ckprojections) which allow to reconstruct some singularities of the searche=
d-for function from seismic measurements. We analyze these imaging operator=
s as pseudo-differential operators to understand how they map, emphasize or=
 de-emphasize singularities. Numerical examples illustrate the theoretical =
findings.

Further Information: If you have any questions regarding this seminar, plea=
se direct them to Romina Gaburro (061 2131930, email romina.gaburro ul.ie  or Clifford Nolan (061 202766), clifford.nolan=
 ul.ie).

---------------------------------------------------------------------------=
-
Supported by Science Foundation Ireland funding, MACSI - the Mathematics Ap=
plications Consortium for Science and Industry (www.macsi.ul.ie), centred at the University of Limerick, is dedicated to the m=
athematical modelling and solution of problems which arise in science, engi=
neering and industry in Ireland.

--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F0143971F29exMbx3ulcampu_
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MACSI at the dep=
artment of Mathematics and Statistics at the University of Limerick invites=
 you to a seminar

Date: Friday,  22^nd March
 2019, Room A2-002   16.00

Speaker:=

Prof. Dr. Andreas Rieder (Department of Mathematics, Karlsruhe I=
nstitute of Technology, Germany).

 Title:
Seismic imaging with the elliptic Radon transform.

 Abstract:
The elliptic Radon transform (eRT) integrates functions over ell=
ipses (2D) and ellipsoids of revolution (3D). It thus serves as a model for=
 linearized seismic imaging under the common
 offset scanning geometry where sources and receivers are offset by a const=
ant vector. As an inversion formula of eRT is unknown we propose certain im=
aging operators (generalized backprojections) which allow to reconstruct so=
me singularities of the searched-for
 function from seismic measurements. We analyze these imaging operators as =
pseudo-differential operators to understand how they map, emphasize or de-e=
mphasize singularities. Numerical examples illustrate the theoretical findi=
ngs.

Further Informatio=
n: If you have any
 questions regarding this seminar, please direct them to Romina Gaburro (06=
1 2131930, email romina.gaburro ul.ie  or Clifford No=
lan (061 202766), clifford.nolan ul.ie).

--------------------------------------------------=
--------------------------
Supported by Science Foundation Ireland funding, M=
ACSI - the Mathematics Applications Consortium for
 Science and Industry (www.macsi.ul.ie), centred at the University of Limer=
ick, is dedicated to the mathematical modelling and solution of problems wh=
ich arise in science, engineering and
 industry in Ireland.

--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F0143971F29exMbx3ulcampu_--

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Reply-To:     Andrei Parnachev 
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From:         Andrei Parnachev 
Subject: maths: Dublin Theoretical Physics Colloquium March 20
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Dublin Theoretical Physics Colloquium

Time: Wednesday, 20th of March at 16:00 p.m.

Location: Synge Theatre, Hamilton Building, TCD

Speaker: Stefan Vandoren (Utrecht University)

Title: "Black holes from string and F-theory, and (0,4) CFTs"

Abstract:
we discuss macroscopic and microscopic aspects of four and five-dimensional
BPS black holes obtained from string theory and match the entropy from the
central charges of the dual (0,4) CFT.

All are welcome!

title:: Dublin Theoretical Physics Colloquium
content:: Stefan Vandoren (Utrecht University) will speak on
:: Black holes from string and F-theory, and (0,4) CFTs
date-time::  Wednesday the 20th of March at 16:00pm
location:: Synge Theatre, Hamilton Building, Trinity College Dublin
endevent::

--0000000000004ffa4d05845afc88
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<=
div dir=3D"ltr">Dublin=C2=A0Theoretic=
al=C2=A0Physics=C2=A0Co=
lloquium

Time: Wednesday, 20th of March at 16:00 p.m.

=
Location:=C2=A0Synge=
=C2=A0Theatre, Hamilton B=
uilding, TCD

Speaker: Stefan Vandoren (Utrecht University)

Title: "Black ho=
les from string and F-theory, and (0,4) CFTs"

Abstract:=C2=A0
we discuss =
macroscopic and microscopic aspects of four and five-dimensional BPS black =
holes obtained from string theory and match the entropy from the central ch=
arges of the dual (0,4) CFT.

All are welcome!

title::=C2=
=A0Dublin=C2=A0Theoretical=C2=A0Physics=C2=A0Colloqui=
um
content::=C2=A0Stefan Vandoren (Utrecht University)=C2=A0will =
speak on
::=C2=A0Black =
holes from string and F-theory, and (0,4) CFTs
date-time::=C2=A0 =
Wednesday the 20th of March at 16:00pm
location::=C2=A0Synge=
=C2=A0Theatre, Hamilton Building, Trinity College=
=C2=A0Dublin
endevent::

--0000000000004ffa4d05845afc88--

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Reply-To:     Ruth Britto 
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From:         Ruth Britto 
Subject: maths: Theoretical Physics Seminar - TCD - 21 March
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TCD THEORETICAL PHYSICS SEMINAR
Thursday, 21 March 2019, 2:00 pm

Seminar Room, House 20
School of Mathematics=20
Trinity College Dublin

Speaker: Gim Seng Ng (TCD)
Title: Black Holes, Heavy States, Phase Shift and Anomalous Dimensions

Abstract:=20
We compute the phase shift of a highly energetic particle traveling in =
the background of an asymptotically AdS black hole. In the dual CFT, the =
phase shift is related to a four point function in the Regge limit. The =
black hole mass is translated to the ratio between the conformal =
dimension of a heavy operator and the central charge. This ratio serves =
as a useful expansion parameter; its power measures the number of stress =
tensors appearing in the intermediate channel. We compute the leading =
term in the phase shift in a holographic CFT of arbitrary dimensionality =
using Conformal Regge Theory and observe complete agreement with the =
gravity result. In a two-dimensional CFT with a large central charge the =
heavy-heavy-light-light Virasoro vacuum block reproduces the gravity =
phase shift to all orders in the expansion parameter. We show that the =
leading order phase shift is related to the anomalous dimensions of =
certain double trace operators and verify this agreement using known =
results for the latter. We also perform a separate gravity calculation =
of these anomalous dimensions to second order in the expansion parameter =
and compare with the phase shift expansion.

All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: TCD Theoretical Physics Seminar
content::Gim Seng Ng (TCD)
::Black Holes, Heavy States, Phase Shift and Anomalous Dimensions::
date-time:: 21 March 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::=

--Apple-Mail=_9FC7AA5F-7CCD-4F39-887C-8868D1EDB012
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TCD THEORETICAL PHYSICS SEMINAR
Thursday, 21 March 2019, 2:00 pm

Seminar Room, House 20
School of =
Mathematics 
Trinity College Dublin

Speaker: Gim Seng Ng (TCD)
Title: Black Holes, Heavy =
States, Phase Shift and Anomalous Dimensions

Abstract: 
We compute the phase =
shift of a highly energetic particle traveling in the background of an =
asymptotically AdS black hole. In the dual CFT, the phase shift is =
related to a four point function in the Regge limit. The black hole mass =
is translated to the ratio between the conformal dimension of a heavy =
operator and the central charge. This ratio serves as a useful expansion =
parameter; its power measures the number of stress tensors appearing in =
the intermediate channel. We compute the leading term in the phase shift =
in a holographic CFT of arbitrary dimensionality using Conformal Regge =
Theory and observe complete agreement with the gravity result. In a =
two-dimensional CFT with a large central charge the =
heavy-heavy-light-light Virasoro vacuum block reproduces the gravity =
phase shift to all orders in the expansion parameter. We show that the =
leading order phase shift is related to the anomalous dimensions of =
certain double trace operators and verify this agreement using known =
results for the latter. We also perform a separate gravity calculation =
of these anomalous dimensions to second order in the expansion parameter =
and compare with the phase shift expansion.

All =
are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D

title:: TCD =
Theoretical Physics Seminar
content::Gim Seng Ng =
(TCD)
::Black Holes, Heavy States, Phase Shift and Anomalous =
Dimensions::
date-time:: 21 March 2019 at =
2:00 pm
location::Seminar Room House 20, TCD
endevent::=

--Apple-Mail=_9FC7AA5F-7CCD-4F39-887C-8868D1EDB012--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 19 10:22:59 2019
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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Thursday March 21): Good Practice with Machine Intelligence for Real-World Data
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--00000000000002a24f05846fe390
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Dear All,

We will have a Seminar Thursday (March 21) at 4pm in ADB1020.

Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.

Paulo Lisboa
from Liverpool John Moores University

 will speak on

=E2=80=9CGood Practice with Machine Intelligence for Real-World Data=E2=80=
=9D

Abstract: Abstract: Machine intelligence is often synonymous with
predictive models of exceptional accuracy. In classification they are
commonly evaluated solely on the basis of their predictive performance -
but is accuracy enough to validate a complex algorithm?  Non-linear models
will exploit any weaknesses in the data, for instance spurious correlations
and confounders, which can result in well performing models that are
entirely wrong.

The talk will illustrate some of the pitfalls in the design and validation
of black-box models based purely on data. It will then describe how rules
can be efficiently derived from neural networks so opening the black-box to
derive models that are simpler and transparent e.g. can represented exactly
with nomograms. Perhaps surprisingly, their accuracy is comparable to and
often better than that of the original model.

In the second part of the talk the theme of using simple and transparent
models to gain insights from complex data will be continued with an
application to tactical profiling of periods of possession in professional
football.

Link:
https://www.ljmu.ac.uk/about-us/staff-profiles/faculty-of-engineering-and-t=
echnology/department-of-applied-mathematics/paulo-lisboa

Contact: John Newell

Hoping to see you all there,

Haixuan and Michael

Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--00000000000002a24f05846fe390
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dea=
r All,

We w=
ill have a Seminar Thursday (March 21) at 4pm in ADB1020.

Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.<=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">

=C2=
=A0

Paul=
o Lisboa 

from Liverpool John Moores University

=C2=A0will speak on 

=C2=
=A0

=E2=
=80=9CGood Practice with Machine
Intelligence for Real-World Data=E2=80=9D

Abst=
ract: Abstract: Machine intelligence is often synonymous
with predictive models of exceptional accuracy. In classification they are
commonly evaluated solely on the basis of their predictive performance - bu=
t is
accuracy enough to validate a complex algorithm?=C2=A0 Non-lin=
ear models will exploit any weaknesses
in the data, for instance spurious correlations and confounders, which can
result in well performing models that are entirely wrong.=C2=A0 

=C2=
=A0

The =
talk will illustrate some of the pitfalls in the design and
validation of black-box models based purely on data. It will then describe =
how
rules can be efficiently derived from neural networks so opening the black-=
box
to derive models that are simpler and transparent e.g. can represented exac=
tly
with nomograms. Perhaps surprisingly, their accuracy is comparable to and o=
ften
better than that of the original model.

=C2=
=A0

In t=
he second part of the talk the theme of using simple and
transparent models to gain insights from complex data will be continued wit=
h an
application to tactical profiling of periods of possession in professional
football.

=C2=
=A0

Link=
: https://www.ljmu.ac.uk/about-us/staff-profiles/faculty-=
of-engineering-and-technology/department-of-applied-mathematics/paulo-lisbo=
a

=C2=
=A0

Cont=
act: John Newell

=C2=
=A0

Hopi=
ng to see you all there,

=C2=
=A0

Haix=
uan and Michael

=C2=
=A0

Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/

--00000000000002a24f05846fe390--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 19 12:41:21 2019
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Date:         Tue, 19 Mar 2019 12:43:14 +0000
Reply-To:     Vladimir Dotsenko 
Sender:       UCD Maths Department Distribution List 
From:         Vladimir Dotsenko 
Subject: maths: Karen Uhlenbeck first woman to win the Abel Prize (fwd)
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Dear all, 

Perhaps this remarkable bit of news below would be of interest to you.

Yours,
Vladimir     

-------

    Oslo, 19.3.19

    KAREN UHLENBECK FIRST WOMAN TO WIN THE ABEL PRIZE

    The Norwegian Academy of Science and Letters has decided to award the
    Abel Prize for 2019 to Karen Keskulla Uhlenbeck of the University of
    Texas at Austin, USA “for her pioneering achievements in geometric
    partial differential equations, gauge theory and integrable systems, and
    for the fundamental impact of her work on analysis, geometry and
    mathematical physics.”
    His Majesty King Harald V will present the Abel Prize to the laureate at
    the award ceremony in Oslo on the 21st of May.

    The woman behind the numbers

    When Karen K. Uhlenbeck held a Plenary Lecture at the International
    Congress of Mathematicians (ICM) in Kyoto, Japan in 1990, she was only
    the second woman in history to have done so. The first was Emmy Noether
    in 1932. ICM is the world’s most important gathering of mathematicians.

    “The recognition of Uhlenbeck’s achievements should have been far
    greater, for her work has led to some of the most important advances in
    mathematics in the last 40 years.” – Jim Al-Khalili, Royal Society Fellow.

    Uhlenbeck is a mathematician, but she is also a role model and a strong
    advocate for gender equality in science and mathematics. As a child, she
    loved reading and dreamed of becoming a scientist. Today, Uhlenbeck is
    Visiting Senior Research Scholar at Princeton University as well as
    Visiting Associate at the Institute for Advanced Study (IAS). She is one
    of the founders of the Park City Mathematics Institute (PCMI) at IAS,
    which aims to train young researchers and promote mutual understanding
    of the interests and challenges in mathematics.

    She is also the co-founder of the Institute’s Women and Mathematics
    program (WAM), created in 1993 to recruit and empower women to lead in
    mathematics research at all stages of their academic careers.

    Filling the analyst’s toolbox

    “Karen Uhlenbeck receives the Abel Prize 2019 for her fundamental work
    in geometric analysis and gauge theory, which has dramatically changed
    the mathematical landscape. Her theories have revolutionized our
    understanding of minimal surfaces, such as those formed by soap bubbles,
    and more general minimization problems in higher dimensions.” – Hans
    Munthe-Kaas, Chair of the Abel Committee.

    Uhlenbeck developed tools and methods in global analysis, which are now
    in the toolbox of every geometer and analyst. Her work also lays the
    foundation for contemporary geometric models in mathematics and physics.

    Inspired by a fellow Abel Prize laureate, the late Sir Michael Atiyah,
    Uhlenbeck became interested in gauge theory. Gauge theory is the
    mathematical language of theoretical physics, and Uhlenbeck’s
    fundamental work in this area is essential for the modern mathematical
    understanding of models in particle physics, string theory and general
    relativity.

    About the Abel Prize

    The Abel Prize recognizes contributions to the field of mathematics that
    are of extraordinary depth and influence. It is presented annually in
    Oslo by His Majesty King Harald V, and is administered by the Norwegian
    Academy of Science and Letters on behalf of the Norwegian Ministry of
    Education and Research.

    The prize amount is NOK 6 million. The choice of laureate is based on
    the recommendations of the Abel Committee, which is composed of five
    internationally recognized mathematicians. The Abel Prize was
    established in 2002 on the 200th anniversary of Niels Henrik Abel’s
    birth, and it has been awarded to 19 laureates.

    Niels Henrik Abel (1802–1829) was a Norwegian mathematician. In spite of
    his short life, he made significant contributions to a variety of
    mathematical fields.

    Caption
    In 1987 Karen Keskulla Uhlenbeck moved to the University of Texas at
    Austin to take up the Sid W. Richardson Foundation Regents’ Chair in
    mathematics where she worked until 2014. Currently, Uhlenbeck is a
    Visiting Senior Research Scholar at Princeton University as well as
    Visitor in the School of Mathematics at the Institute for Advanced Study
    (IAS). Photo: Andrea Kane/Institute for Advanced Study

    Pictures can be downloaded from: Abelprize.no

    Press contacts:
    Marina Tofting, Director of Communications, Norwegian Academy of Science
    and Letters
    E-mail: marina.tofting dnva.no, | Mobile: +47 938 66 312

    Christine Sinatra | Director of Communications, University of Texas at
    Austin
    | College of Natural Sciences
    E-mail: christine.sinatra austin.utexas.edu, | Phone: 512-471-4641

    Elizabeth Boluch Wood, Chief Development Officer &
    Associate Director for Development and Communications IAS | Institute
    for Advanced Study
    E-mail: lizwood ias.edu | Phone: (609)734-8218

    For requests for interviews please contact:

     Lee Sandberg
     E-mail: lsandberg ias.edu
    Assistant Director, Public Relations
    (609) 455-4398

    Maurie Perl
    E-mail: mperl ias.edu)
    Senior Director, External Relations & Strategic Communications
    Phone: (609) 951-4542
    Mobile: (917) 678-8072

    Best regards

    Anne-Marie Astad
    Communications Adviser
    The Norwegian Academy of Science and Letters
    E-mail: anne.marie.astad dnva.no
    Mobile: +47 415 67 406

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 19 12:54:57 2019
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Date:         Tue, 19 Mar 2019 12:56:53 +0000
Reply-To:     Vladimir Dotsenko 
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From:         Vladimir Dotsenko 
Subject: maths: mini-course by Francis Brown
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> This message is in MIME format. Since your mail reader does not understand
this format, some or all of this message may not be legible.

--B_3635845014_645787277
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Dear all,=20

=20

Francis Brown (HMI Simons Visiting Professor) will give a mini-course =E2=80=9CNe=
w perspectives on periods and integration, with applications to physics=E2=80=9D.=20

=20

The first meeting of that will take place at 2pm tomorrow (Wednesday March =
20) in TCD School of Mathematics Seminar Room (House 20, Westland Row, acces=
s from Hamilton Building); there will be another meeting at the same time an=
d location on Wednesday March 27, and =E2=80=93 tentatively =E2=80=93 a meeting on Tuesd=
ay April 2 (to be confirmed).=20

=20

Everyone is welcome to attend.

=20

All the best,

Vladimir

=20

Lines for mathdep web calendar entry:

=20

title:: Simons Foundation Distinguished Lecture Series

content:: Francis Brown (HMI Simons Visiting Professor)  will speak on
::  New perspectives on periods and integration, with applications to physi=
cs=20

date-time:: Wednesday, March 20 at 2:00pm
location:: School of Mathematics Seminar Room, TCD

--B_3635845014_645787277
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Dear all, 
 <=
p class=3DMsoNormal>F=
rancis Brown (HMI Simons Visiting Professor) will give a mini-course<=
span lang=3DEN-GB style=3D'font-size:11.0pt;color:black'> =E2=80=9CNew perspectives on periods and integration, =
with applications to physics=E2=80=9D. 

The first meeting of =
that will take place at 2pm tomorrow (Wednesday March 20) in TCD School of M=
athematics Seminar Room (House 20, Westland Row, access from Hamilton Buildi=
ng); there will be another meeting at the same time and location on Wednesda=
y March 27, and =E2=80=93 tentatively =E2=80=93 a meeting on Tuesday April 2 (to be conf=
irmed). 
=

Everyone is welcome to attend.

All the best,
Vlad=
imir
=

Lines for mathdep web cale=
ndar entry:

title:: Simons Foundation Distinguished Lecture Series<=
/o:p>
content:: Francis Brown=
 (HMI Simons Visit=
ing Professor)  will speak on
::  New perspectives on periods and integration, with =
applications to physics 
date=
-time:: Wednesday, March 20 at 2:00pm
location:: School of Mathematics Seminar Room, TCD

--B_3635845014_645787277--

From owner-mathdep LISTSERV.HEANET.IE  Tue Mar 19 12:57:00 2019
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Date:         Tue, 19 Mar 2019 12:56:56 +0000
Reply-To:     Graham Kells 
Sender:       UCD Maths Department Distribution List 
From:         Graham Kells 
Subject: Maths: DIAS THEORETICAL PHYSICS SEMINAR - REMINDER
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DIAS THEORETICAL PHYSICS SEMINAR

Time: Tues. 19th March 2019, 4.30 pm

Speaker: Dr. Alessandro Romito

Title: Heat transfer from topologically protected dynamics of Majorana zero modes.

Abstract: Quantum systems can have degenerate ground states protected against local fluctuations with exponential accuracy in the system size due to topology (as opposed to symmetry) properties. In certain systems, like topological superconductors, the degenerate ground state is spanned by zero energy modes with non-abelian statistics, Majorana zero-modes. These excitations are of extreme interest for both their fundamental properties and as a platform to implement protected unitary operations for quantum information processing. A number of experiments have reported signatures of Majorana zero modes in engineered superconducting nanostructures. The actual focus of research is on controlling and detecting their topological dynamics.

In this talk, after reviewing the general properties of Majorana zero modes, I will discuss the energetics associated with the topological protected dynamics, specifically a Majorana zero-modes braiding in 1-dimensional networks (e.g. quantum wires). This is a topologically protected non-trivial operation. I will show that the braiding operation is able to pump energy (heat) between two external reservoirs, as opposed to a vanishing pumped charge. The differential pumped heat per energy is quantised to a universal coefficient that reflects the system protected dynamics. I will finally discuss the robustness and generality of the findings and their implications for certain thermodynamic fluctuation theorems.

Place: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 Burlington Road, Dublin 4

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Dr. Alessandro Romito
date-time:: 19 March 2019, 4:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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*Speaker*: Diarmaid Hyland (DCU)

*Title*: Linking theory with practice: How mathematics education can inform
teaching at 3rd level

*Abstract*: An emerging concern in mathematics and science education in
recent years is a widening of the gap between theory and practice. Major
conferences in both fields have devoted plenaries to this discussion,
acknowledging that advances in education research are influencing practice
less and less in recent years. Though many factors combine to cause this,
what is certain is that student learning is not optimized without
meaningful communication and collaboration between researchers and
practitioners.

In this talk, ways of bridging the gap between theory and practice are
presented and discussed. Empirical research will form the basis for the
talk. In addition, examples from research conducted in DCU will punctuate
the discussion. The examples used are in the context of basic algebra and
calculus, and ordinary differential equations. The talk will be accessible
to anyone who is involved in teaching mathematics at third level.

*Location*: Wednesday, March 20, 2019 at 3pm in XG22, DCU

title:: DCU Maths Colloquium
content::  Diarmaid Hyland (DCU) will speak on
::      Linking theory with practice: How mathematics education can inform
teaching at 3rd level
date-time:: Wednesday 20th March, 2019 at 3pm
location:: XG22, DCU
endevent:

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Speaker:=C2=A0Diarmaid Hyland (DCU)
=
Title:=C2=A0Linking theory with practice: How mathematics=
 education can inform teaching at 3rd level=C2=A0=C2=A0

Abstract<=
/b>:=C2=A0An emerging concern in mathematics and science education in recen=
t years is a widening of the gap between theory and practice. Major confere=
nces in both fields have devoted plenaries to this discussion, acknowledgin=
g that advances in education research are influencing practice less and les=
s in recent years. Though many factors combine to cause this, what is certa=
in is that student learning is not optimized without meaningful communicati=
on and collaboration between researchers and practitioners.

In this =
talk, ways of bridging the gap between theory and practice are presented an=
d discussed. Empirical research will form the basis for the talk. In additi=
on, examples from research conducted in DCU will punctuate the discussion. =
The examples used are in the context of basic algebra and calculus, and ord=
inary differential equations. The talk will be accessible to anyone who is =
involved in teaching mathematics at third level.
=
Location:=C2=A0Wednesday, March 20, 2019 at 3=
pm in XG22, DCU=C2=A0=C2=A0

title:: DCU Maths Colloquium
conten=
t:: =C2=A0Diarmaid Hyland (DCU) will speak on
::=C2=A0 =C2=A0 =C2=A0

Linking theory with practice: How mathematics education can inform teaching=
 at 3rd level=C2=A0
date-time:: Wednesday 20th March, 2019 at 3pm
loc=
ation:: XG22, DCU
endevent:=C2=A0

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Date:         Tue, 19 Mar 2019 14:04:32 +0000
Reply-To:     Kwok Chuen Wong 
Sender:       UCD Maths Department Distribution List 
From:         Kwok Chuen Wong 
Subject: DCU Mathematical Finance Seminar - Antoine Jacquier (Imperial College)
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Dear colleagues,

We will have Mathematical Finance seminar on Friday (March 22).

Everybody welcome,

Ryan

title:: DCU Math Finance (Antoine Jacquier, Imperial College)
content:: Title of talk: Rough volatility for VIX options
:: We discuss here a new approach for price and calibrations options on the
VIX,
:: which are liquidly traded, and quoted on the CBOE.
:: Traditional models fail to capture both specificities of SPX and VIX
options, and
:: we endeavour to show here that some class of rough volatility models is
able to capture their behaviours.
:: This is based on a joint work with Blanka Horvath and Peter Tankov.

date-time:: 22nd March at 11:00am
location:: DCU Henry Grattan Building, CG12
endevent::

--=20
Kwok Chuen Wong, Ryan
Assistant Professor in Financial Mathematics
School of Mathematical Sciences, Dublin City University
X136, Lonsdale Building, Glasnevin, Dublin 9, Ireland
Tel: +353 1 7005291
Email: kwokchuen.wong dcu.ie

--=20
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--000000000000335611058472fe0e
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Dear colleagues,

We will have Math=
ematical Finance seminar on Friday (March 22).

Everybody welcome,
Ryan

title:: DCU Math Finance (Antoine Jacquier, Imperial Colle=
ge)
content:: Title of talk: Rough volatility for VIX options
:: We d=
iscuss here a new approach for price and calibrations options on the VIX, <=
br>:: which are liquidly traded, and quoted on the CBOE. 
:: Traditional=
 models fail to capture both specificities of SPX and VIX options, and 
=
:: we endeavour to show here that some class of rough volatility models is =
able to capture their behaviours. 
:: This is based on a joint work with=
 Blanka Horvath and Peter Tankov.

date-time:: 22nd March at 11:00am<=
br>location:: DCU Henry Grattan Building, CG12
endevent::

-- 
<=
div>Kwok Chuen Wong, Ryan
Assistant Professor in Financial Mathematics=

School of Mathematical Sciences=
, Dublin City University
X136, Lonsdale Building, Glas=
nevin, Dublin 9, Ireland
T=
el: +353 1 7005291
Email:<=
/span> kwokchuen=
.wong dcu.ie
<=
/div>

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=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.

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Date:         Tue, 19 Mar 2019 18:29:24 +0000
Reply-To:     Sergey Mozgovoy 
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From:         Sergey Mozgovoy 
Subject: Dublin Mathematics Colloquium/TCD Geometry Seminar
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Dublin Mathematics Colloquium (March 21, 4pm)
TCD Geometry Seminar (March 22, 4pm)

Two talks by Marton Hablicsek (University of Copenhagen)

----------------------------------------------------
Dublin Mathematics Colloquium
Thursday, March 21 at 4:00pm
Synge Theatre, Hamilton Building, TCD

Title: Derived intersections and interactions with deformation theory

Abstract:
One purpose of derived algebraic geometry is to deal with bad situations in
geometry. In intersection theory, bad situations arise when the
intersection is not of the expected dimension or when the intersection is
highly singular. In my talk, I will use the theory of derived intersections
to compare intersections of Lagrangians in symplectic varieties (and higher
analogues) with their deformation quantizations. As applications, I will
show how one can obtain the Hodge theorem and how one can obtain extra
structures on deformation quantizations in positive characteristics.

----------------------------------------------------
TCD Geometry Seminar
Friday, March 22 at 4:00pm
New Seminar Room, Hamilton Building, TCD

Title: Extra structures on deformation quantizations of shifted symplectic
derived stacks in positive characteristics

Abstract:
Bezrukavnikov and Kaledin showed that convergent deformation quantizations
of symplectic varieties over a perfect field of positive characteristic
give rise to sheaves of Azumaya algebras. We investigate the structure of
the convergent quantization of shifted symplectic derived stacks,
especially the 1-shifted cotangent bundle S of a smooth scheme X over a
perfect field of positive characteristic. We show that the quantization is
an E2-algebra over the Frobenius twist S=E2=80=B2 of the 1-shifted cotangen=
t bundle
which restricted to the zero section X'-->S' is weakly E2-Morita equivalent
to the structure sheaf of the Frobenius twist X' of X.

----------------------------------------------------
title:: Dublin Mathematics Colloquium
content:: Marton Hablicsek (University of Copenhagen) will speak on
:: Derived intersections and interactions with deformation theory
:: https://www.maths.tcd.ie/~dmc/
date-time:: Thursday, March 21 at 4:00pm
location:: Synge Theatre, Hamilton Building, TCD
endevent::

title:: TCD Geometry Seminar
content:: Marton Hablicsek (University of Copenhagen) will speak on
:: Extra structures on deformation quantizations of shifted
:: symplectic derived stacks in positive characteristics
:: https://www.maths.tcd.ie/~dmc/
date-time:: Friday, March 22 at 4:00pm
location:: New Seminar Room, Hamilton Building, TCD
endevent::

--000000000000f3f0d9058476ac1f
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dublin Mathematics Colloquium (March 21, 4pm)
TCD Geome=
try Seminar (March 22, 4pm)

Two talks by Marton Hablicsek (Universit=
y of Copenhagen)

---------------------------------------------------=
-
Dublin Mathematics Colloquium
Thursday, March 21 at 4:00pm
Synge=
 Theatre, Hamilton Building, TCD

Title: Derived intersections and in=
teractions with deformation theory

Abstract:
One purpose of deriv=
ed algebraic geometry is to deal with bad situations in geometry. In inters=
ection theory, bad situations arise when the intersection is not of the exp=
ected dimension or when the intersection is highly singular. In my talk, I =
will use the theory of derived intersections to compare intersections of La=
grangians in symplectic varieties (and higher analogues) with their deforma=
tion quantizations. As applications, I will show how one can obtain the Hod=
ge theorem and how one can obtain extra structures on deformation quantizat=
ions in positive characteristics.

----------------------------------=
------------------
TCD Geometry Seminar
Friday, March 22 at 4:00pmNew Seminar Room, Hamilton Building, TCD

Title: Extra structures on=
 deformation quantizations of shifted symplectic derived stacks in positive=
 characteristics

Abstract:
Bezrukavnikov and Kaledin showed that =
convergent deformation quantizations of symplectic varieties over a perfect=
 field of positive characteristic give rise to sheaves of Azumaya algebras.=
 We investigate the structure of the convergent quantization of shifted sym=
plectic derived stacks, especially the 1-shifted cotangent bundle S of a sm=
ooth scheme X over a perfect field of positive characteristic. We show that=
 the quantization is an E2-algebra over the Frobenius twist S=E2=80=B2 of t=
he 1-shifted cotangent bundle which restricted to the zero section X'--=
>S' is weakly E2-Morita equivalent to the structure sheaf of the Fro=
benius twist X' of X.

------------------------------------------=
----------
title:: Dublin Mathematics Colloquium
content:: Marton Hab=
licsek (University of Copenhagen) will speak on
:: Derived intersections=
 and interactions with deformation theory
:: https://www.maths.tcd.ie/~dmc/
date-time:: Thursday,=
 March 21 at 4:00pm
location:: Synge Theatre, Hamilton Building, TCD
=
endevent::

title:: TCD Geometry Seminar
content:: Marton Hablicse=
k (University of Copenhagen) will speak on
:: Extra structures on deform=
ation quantizations of shifted 
:: symplectic derived stacks in positive=
 characteristics
:: https://w=
ww.maths.tcd.ie/~dmc/
date-time:: Friday, March 22 at 4:00pm
loca=
tion:: New Seminar Room, Hamilton Building, TCD
endevent::

--000000000000f3f0d9058476ac1f--

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Date:         Wed, 20 Mar 2019 10:49:22 +0000
Reply-To:     "Dendrinos, Spyridon" 
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From:         "Dendrinos, Spyridon" 
Subject: maths: UCC Mathematics Seminar
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Dear Colleagues,

You are welcome to the following seminar:

UCC Mathematics Seminar

Time and location: 4-5pm, Tuesday 26 March 2019, WGB G04

Speaker:  Martin Traizet (University of Tours)

Title: Analogy between over-determined elliptic problems and constant mean =
curvature surfaces

Abstract: Please see attached file.

Best regards,

Spyros Dendrinos

--_000_DB7PR02MB4092920028E525E04A7CC486BA410DB7PR02MB4092eurp_
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Dear Coll=
eagues,

You are welcome to the following
seminar:

UCC
Mathematics Seminar

Time and location:
4-5pm, Tuesday 26 March 2019=
, WGB G04

Speaker:  Martin Tr=
aizet (University
 of Tours)

Title:
Analogy
 between over-determined elliptic problems and constant mean curvature surf=
aces<=
/span>

Abstract: Please se=
e attached file.

Best regards,
Spyros Dendrinos

--_000_DB7PR02MB4092920028E525E04A7CC486BA410DB7PR02MB4092eurp_--

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Subject: maths: Analysis Seminar in UCD on the 26th of March
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Tuesday 26th March, 2019  at 4.00pm  (place: UCD  Science North 125 )

Speaker Professor  Juergen Mueller (University of Trier, Germany).

Title:  Simultaneous Polynomial Approximation and Universality Properties
of Taylor Series
Abstract: Let $H(\D)$ denote the space of functions holomorphic in the unit
disc $\D$ endowed with the topology of locally uniform convergence. It is
known that for a residual set of functions in $H(\D)$ the partial sums of
the Taylor series behave extremely erratic outside $\D$. According to
classical results, for functions in Banach spaces of holomorphic functions
in $\D$ as for example the Hardy spaces or the Dirichlet space the
situation is quite different. We show that, however, to a certain extend
erratic behaviour still occurs. As a basic tool, results on simultaneous
approximation by polynomials play a role.

title:: ANALYSIS SEMINAR
content:: J. Mueller  will speak on
::  Simultaneous Polynomial Approximation and Universality Properties of
Taylor Series
date-time:: Tuesday 26th  March, 2019  at 4.00pm
location:: UCD  Science North 125
endevent::

--0000000000004507b20584847ca6
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Tuesday 26th March, 2019=C2=A0 at 4.00pm=C2=A0 (place=
: UCD=C2=A0 Science North 125 )

Speaker Professor=
=C2=A0=C2=A0Juergen Mueller (University of Trier, Germany).

Title:=C2=A0 Sim=
ultaneous Polynomial Approximation and Universality Properties of Taylor Se=
ries 
Abstract: Let $H(\D)$ denote the space of=
 functions holomorphic in the unit disc=20
$\D$ endowed with the topology of locally uniform convergence. It is=20
known that for a residual set of functions in $H(\D)$  the partial sums=20
of the Taylor series behave extremely erratic outside $\D$. According to
 classical results, for functions in  Banach spaces of holomorphic=20
functions in $\D$ as for example the Hardy spaces or the Dirichlet space
 the situation is quite different. We show that, however,  to a certain=20
extend erratic behaviour still occurs. As a basic tool, results on=20
simultaneous approximation by polynomials play a role.    

=C2=A0

title:: ANALYSIS Simultaneous Pol=
ynomial Approximation and Universality Properties of Taylor Series <=
br>
date-time::  Tuesday 26th=C2=A0 March, 2019=C2=A0 at 4.00pm

location:: UCD=C2=A0 Science North 125 

endevent:: 

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Reply-To:     Jan Manschot 
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Subject: maths: HMI workshop "Gauge Theory and Virtual Invariants"
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Dear colleagues,

We would like to call your attention to the workshop =E2=80=9CGauge =
Theory and Virtual Invariants", which will take place from 13 - 17 May =
2019 at the Hamilton Mathematics Institute, TCD. For more details see =
the announcement below. We also invite you to visit our website ( =
https://www.maths.tcd.ie/~hmi/events/2019-May-Workshop-GTVI/ =
 ) and to =
forward the announcement to anyone you think might be interested.

Best wishes,

Martijn Kool, Jan Manschot and Sergey Mozgovoy

=
--------------------------------------------------------------------------=
--------------------------------------------------------------------------=
------------

HMI workshop "Gauge Theory and Virtual Invariants"
13 - 17 May 2019, Dublin=20

Gauge theories and moduli spaces form an active research field =
connecting physics and mathematics. The aim of this workshop is to =
discuss recent advances in both disciplines. In physics, consideration =
of a gauge theory on a four-manifold aids the understanding of its phase =
structure and path integral, while it gives also insights in =
four-manifold geometry and moduli spaces. On the mathematical side, =
progress is made recently on the formal definition of Vafa-Witten =
invariants and Donaldson-Thomas theory of pure dimension one sheaves on =
complex surfaces using virtual classes. We hope that the workshop will =
open the way for further progress, and that the lecture program will be =
of particular interest to young researchers in the field, including Phd =
students and postdocs.

Confirmed speakers:
Noah Arbesfeld (Imperial)
Lothar G=C3=B6ttsche (ICTP)
Sergei Gukov (Caltech/MPIM)
Dominic Joyce (Oxford)
Cristina Manolache (Imperial)
Pavel Putrov (ICTP)
Richard Thomas (Imperial)
Yukinobu Toda (IPMU)
Maxim Zabzine (Uppsala)

For more information and registration visit the website: =
https://www.maths.tcd.ie/~hmi/events/2019-May-Workshop-GTVI/ =

=
--------------------------------------------------------------------------=
--------------------------------------------------------------------------=
-----------=

--Apple-Mail=_448C8951-7BE0-48A1-9886-45D7940B75CB
Content-Transfer-Encoding: quoted-printable
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	charset=utf-8

Dear colleagues,

We would like to call your attention to =
the workshop =E2=80=9CGauge Theory and Virtual Invariants", =
which will take place from 13 - 17 May 2019 at the Hamilton =
Mathematics Institute, TCD. For more details see the announcement below. =
We also invite you to visit our website ( https://www.maths.tcd.ie/~hmi/events/2019-May-Workshop-GTVI/ ) and to forward the announcement to anyone you think =
might be interested.

Best wishes,

Martijn Kool, Jan Manschot and Sergey Mozgovoy

---------------------------------------------------------------=
--------------------------------------------------------------------------=
-----------------------

HMI workshop "Gauge Theory and Virtual Invariants"
13 - 17 May 2019, =
Dublin 

Gauge =
theories and moduli spaces form an active research field connecting =
physics and mathematics. The aim of this workshop is to discuss recent =
advances in both disciplines. In physics, consideration of a gauge =
theory on a four-manifold aids the understanding of its phase structure =
and path integral, while it gives also insights in four-manifold =
geometry and moduli spaces. On the mathematical side, progress is made =
recently on the formal definition of Vafa-Witten invariants and =
Donaldson-Thomas theory of pure dimension one sheaves on complex =
surfaces using virtual classes. We hope that the workshop will open the =
way for further progress, and that the lecture program will be of =
particular interest to young researchers in the field, including Phd =
students and postdocs.
Confirmed =
speakers:
Noah Arbesfeld =
(Imperial)
Lothar G=C3=B6ttsche (ICTP)
Sergei Gukov (Caltech/MPIM)
Dominic =
Joyce (Oxford)
Cristina Manolache =
(Imperial)
Pavel Putrov (ICTP)
Richard Thomas (Imperial)
Yukinobu Toda =
(IPMU)
Maxim Zabzine (Uppsala)

For more information and =
registration visit the website: https://www.maths.tcd.ie/~hmi/events/2019-May-Workshop-GTVI/

---------------------------------------------------------------=
--------------------------------------------------------------------------=
----------------------
=

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Date:         Wed, 20 Mar 2019 17:04:11 +0000
Reply-To:     "Wills, Stephen" 
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From:         "Wills, Stephen" 
Subject: maths: Simon Singh to speak at Irish Mathematical Student Association Conference this weekend
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Dear all,

Simon Singh, former BBC television presenter and bestselling author of book=
s such as Fermat's Last Theorem, The Code Book, and The Simpsons and their =
Mathematical Secrets, will be one of the speakers at the annual Irish Mathe=
matical Student Association conference this weekend, hosted this year by th=
e UCC Mathematical Society.

The full run down for the talks, all of which take place in the Aula Maxima=
, are as follows:

Saturday 23rd March

10:00-11:00         Tea/Coffee

11:00-12:00         "Exciting Results in Data Analytics" by Dr Helmut Simon=
is (UCC)

12:00-13:00         Student Lecture Competition

13:00-14:00         Lunch

14:00-15:00         "Constant Mean Curvature Surfaces" by Dr Martin Kilian =
(UCC)

15:00-16:00         "The Simpsons and their Mathematical Secrets" by Simon =
Singh MBE

Free admission. No booking required. All welcome.

More details here:

www.facebook.com/uccmathsoc

Regards,

Stephen

--_000_DB7PR02MB4933294761A75CB48A66F3849D410DB7PR02MB4933eurp_
Content-Type: text/html; charset="us-ascii"
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Dear all,

Simon Singh, former BBC television presenter and =
bestselling author of books such as Fermat's Last Theorem, The Code Book, a=
nd The Simpsons and their Mathematical Secrets, will be one of the speakers=
 at the annual Irish Mathematical
 Student Association conference this weekend, hosted this year by the UCC M=
athematical Society.

The full run down for the talks, all of which tak=
e place in the Aula Maxima, are as follows:

Saturday 23rd March
10:00-11:00       &=
nbsp; Tea/Coffee
11:00-12:00      &n=
bsp;  "Exciting Results in Data Analytics" by Dr Helmut Simo=
nis (UCC)
12:00-13:00       &=
nbsp; Student Lecture Competition
13:00-14:00       &=
nbsp; Lunch
14:00-15:00       &=
nbsp; "Constant Mean Curvature Surfaces" by Dr Martin Kilian (UCC=
)
15:00-16:00       &=
nbsp; "The Simpsons and their Mathematical Secrets" by Simon Sing=
h MBE

Free admission. No booking required. All welcome.=

More details here:

ww=
w.facebook.com/uccmathsoc

Regards,
Stephen

--_000_DB7PR02MB4933294761A75CB48A66F3849D410DB7PR02MB4933eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Mar 20 19:25:53 2019
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Date:         Wed, 20 Mar 2019 15:25:07 -0400
Reply-To:     Colm Mulcahy 
Sender:       UCD Maths Department Distribution List 
From:         Colm Mulcahy 
Subject: maths: Donegall Lecturers of Mathematics at TCD
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--00000000000097f7ec05848b9647
Content-Type: text/plain; charset="UTF-8"

Please see
https://en.wikipedia.org/wiki/Donegall_Lecturership_at_Trinity_College_Dublin

It's a sketch of a Wikipedia page documenting the Donegall Lecturers of
Mathematics at TCD over the centuries.

TCD records use both the Donegall and Donegal spellings, depending on the
era.  The former seems to be more accurate in view of the
https://en.wikipedia.org/wiki/Arthur_Chichester,_1st_Baron_Chichester
inspiration for the position.

The DL WP is clearly incomplete, ending with:

- 1876: Benjamin Williamson

(1828-1916)
- 1884: Arthur Panton (1843-1906)
- 1904: Robert Russell (1858?-1938)
- 1921: Charles Henry Rowe
 (1893-1943)
- 1969: James Hamilton
 (1918-2000)
- 1973: Dennis Sciama 
(1926-1999)
- 1986: Roy Kerr  (born 1934)
- 2004: Ludvig Faddeev 
(1934-2017)
- 2005: Tony Bell 

Googling has not brought up other names.

It is believed that Rowe served in this role until 1926, and that the
position lay vacant until about 1967.

Since then, it is assigned to one person for one academic year, and that
person gives 3 lectures (sometime all at TCD, sometimes split between TCD,
DIAS and UCD).

More info, name, and dates are very welcome.  We see to be missing at least
40 people from living memory:-)

Thanks

c

Colm Mulcahy, Professor of Mathematics, Spelman College, Sci 154, PO Box
953, Atlanta, GA 30314, USA, (404) 270-5837, colm spelman.edu,  Annals of
Irish Maths 

--00000000000097f7ec05848b9647
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Please see=C2=A0https://en.wikipedia.org/wiki/Donegall_Lec=
turership_at_Trinity_College_Dublin

It's a=
 sketch of a Wikipedia page documenting the=C2=A0Donegall Lecturers of Math=
ematics at TCD over the centuries.

TCD records use=
 both the Donegall and Donegal spellings, depending on the era.=C2=A0 The f=
ormer seems to be more accurate in view of the https://en.wikipedia.=
org/wiki/Arthur_Chichester,_1st_Baron_Chichester inspiration for the po=
sition.

The DL WP is clearly incomplete, ending wi=
th:

1876: Benjamin Williamson (1828-1916)

1884: Arthur Panton (1843-1906)
1904: Robert Russell (1858?-1938)
1921: Charles Henry Rowe (1893-1943)
1969: James Hamilton (1918-2000)
1973: Dennis Sciama (1926-1999)
1986: Roy Kerr (born 1934)
2004: Ludvig Faddeev (1934-2017)
2005: Tony Bell

=
Googling has not brought up other names.

It is bel=
ieved that Rowe served in this role until 1926, and that the position lay v=
acant until about 1967.=C2=A0 =C2=A0

Since then, i=
t is assigned to one person for one academic year, and that person gives 3 =
lectures (sometime all at TCD, sometimes split between TCD, DIAS and UCD).<=
/div>
More info, name, and dates are very welcome.=C2=A0=
 We see to be missing at least 40 people from living memory:-)
Thanks

c

Colm Mulcahy, Professor of Mathematics, Spelman College,=C2=A0Sci=
 154, PO Box 953, Atlanta, GA 30314, USA, (404) 270-5837, colm spelman.edu,=C2=
=A0=C2=A0Annals of Irish Maths=C2=A0

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Date:         Thu, 21 Mar 2019 10:26:14 +0300
Reply-To:     Kazim Buyukboduk 
Sender:       UCD Maths Department Distribution List 
From:         Kazim Buyukboduk 
Subject: maths: UCD Algebra and Number Theory Seminar (Mar 28)
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UCD Algebra and Number Theory Seminar

*Speaker:* Christian Korff (Glasgow)
*Title:* Yang-Baxter algebras and Gromov-Witten invariants of Grassmannians

*Abstract:* Solutions of the Yang-Baxter equation (often also known as the
braid relation) play an important role in the representation theory of
quantum groups and vice versa. Using a simple combinatorial model we show
how such solutions to the Yang-Baxter equation arise when counting exact
matchings or dimer configurations on the honeycomb lattice. With each such
solution one can associate an associative algebra, called the Yang-Baxter
algebra, which contains a commutative subalgebra. For the dimer model the
latter turns out to be isomorphic to the quantum cohomology of
Grassmannians and we state an independent geometric construction of the
Yang-Baxter algebra.

*Date:* Thursday, March 28, 2019
*Time:* 2:00pm
*Location:* Room 1.25, O=E2=80=99Brien Centre for Science (North) (map

)

title:: UCD Algebra and Number Theory Seminar
content:: Christian Korff (Glasgow) will speak on
:: Yang-Baxter algebras and Gromov-Witten invariants of Grassmannians
date-time:: Thursday, March 28, 2019 at 2:00pm
location:: Room 1.25, O=E2=80=99Brien Centre for Science (North)
endevent::

--000000000000e9bf77058495a7d5
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

UCD Algebra and Number Theory Seminar

Speaker:=C2=A0Christian Korff=C2=A0(Glasgow)
Title:=C2=A0Yang-B=
axter algebras and Gromov-Witten invariants of Grassmannians

Abstract:=C2=A0Solutions of the Yang-Baxter equation (o=
ften also known as the braid relation) play an important role in the repres=
entation theory of quantum groups and vice versa. Using a simple combinator=
ial model we show how such solutions to the Yang-Baxter equation arise when=
 counting exact matchings or dimer configurations on the honeycomb lattice.=
 With each such solution one can associate an associative algebra, called t=
he Yang-Baxter algebra, which contains a commutative subalgebra. For the di=
mer model the latter turns out to be isomorphic to the quantum cohomology o=
f Grassmannians and we state an independent geometric construction of the Y=
ang-Baxter algebra.

<=
b>Date:=C2=A0Thursday, March 28, 2019
Time:=C2=A02:00p=
m
Location:=C2=A0Room 1.25, O=E2=80=99Brien Centre for Science (North) =
(map)

title:: UCD Algebra and Number Theory Seminar
content::=C2=A0Christia=
n Korff=C2=A0(Glasgow)=C2=A0will speak on
::=C2=A0Yang-=
Baxter algebras and Gromov-Witten invariants of Grassmannians
date-time:=
: Thursday, March 28, 2019 at 2:00pm
location::=C2=A0Room 1.25, O=E2=80=99Bri=
en Centre for Science (North)
endevent::<=
/div>

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References: 

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Message-ID:  
Date:         Thu, 21 Mar 2019 08:00:37 +0000
Reply-To:     Sergey Mozgovoy 
Sender:       UCD Maths Department Distribution List 
From:         Sergey Mozgovoy 
Subject: maths: TODAY - Dublin Mathematics Colloquium
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--000000000000df5316058496222e
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Dublin Mathematics Colloquium

Thursday, March 21 at 4:00pm
Synge Theatre, Hamilton Building, TCD

Speaker: Marton Hablicsek (University of Copenhagen)

Title: Derived intersections and interactions with deformation theory

Abstract:
One purpose of derived algebraic geometry is to deal with bad situations in
geometry. In intersection theory, bad situations arise when the
intersection is not of the expected dimension or when the intersection is
highly singular. In my talk, I will use the theory of derived intersections
to compare intersections of Lagrangians in symplectic varieties (and higher
analogues) with their deformation quantizations. As applications, I will
show how one can obtain the Hodge theorem and how one can obtain extra
structures on deformation quantizations in positive characteristics.

--000000000000df5316058496222e
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dublin Mathema=
tics Colloquium

Thursday, March 21 at 4:00pm<=
br>Synge Theatre, Hamilton Building, TCD

Speaker: Marton Hablicsek (=
University of Copenhagen)

=
Title: Derived intersections and interactions with deformation theory
Abstract:
One purpose of derived algebraic geometry is to deal with ba=
d situations in geometry. In intersection theory, bad situations arise when=
 the intersection is not of the expected dimension or when the intersection=
 is highly singular. In my talk, I will use the theory of derived intersect=
ions to compare intersections of Lagrangians in symplectic varieties (and h=
igher analogues) with their deformation quantizations. As applications, I w=
ill show how one can obtain the Hodge theorem and how one can obtain extra =
structures on deformation quantizations in positive characteristics.

--000000000000df5316058496222e--

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Date:         Thu, 21 Mar 2019 10:32:28 +0000
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Today): Good Practice with Machine Intelligence for Real-World Data
To:           MATHDEP LISTSERV.HEANET.IE
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Dear All,

We will have a Seminar today at 4pm in ADB1020.

Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.

Paulo Lisboa
>From Liverpool John Moores University

 will speak on

=E2=80=9CGood Practice with Machine Intelligence for Real-World Data=E2=80=
=9D

Abstract: Abstract: Machine intelligence is often synonymous with
predictive models of exceptional accuracy. In classification they are
commonly evaluated solely on the basis of their predictive performance -
but is accuracy enough to validate a complex algorithm?  Non-linear models
will exploit any weaknesses in the data, for instance spurious correlations
and confounders, which can result in well performing models that are
entirely wrong.

The talk will illustrate some of the pitfalls in the design and validation
of black-box models based purely on data. It will then describe how rules
can be efficiently derived from neural networks so opening the black-box to
derive models that are simpler and transparent e.g. can represented exactly
with nomograms. Perhaps surprisingly, their accuracy is comparable to and
often better than that of the original model.

In the second part of the talk the theme of using simple and transparent
models to gain insights from complex data will be continued with an
application to tactical profiling of periods of possession in professional
football.

Link:
https://www.ljmu.ac.uk/about-us/staff-profiles/faculty-of-engineering-and-t=
echnology/department-of-applied-mathematics/paulo-lisboa

Contact: John Newell

Hoping to see you all there,

Haixuan and Michael

Future seminars are listed at
http://www.nuigalway.ie/science/school-of-maths/seminars/

--000000000000f286db0584984100
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dea=
r All,

We w=
ill have a Seminar today at 4pm in ADB1020.

Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.<=
font color=3D"#000000" face=3D"Times New Roman" size=3D"3">

=C2=
=A0

Paul=
o Lisboa 

>From Liverpool John Moores University

=C2=A0will speak on 

=C2=
=A0

=E2=
=80=9CGood Practice with Machine
Intelligence for Real-World Data=E2=80=9D

Abst=
ract: Abstract: Machine intelligence is often synonymous
with predictive models of exceptional accuracy. In classification they are
commonly evaluated solely on the basis of their predictive performance - bu=
t is
accuracy enough to validate a complex algorithm?=C2=A0 Non-lin=
ear models will exploit any weaknesses
in the data, for instance spurious correlations and confounders, which can
result in well performing models that are entirely wrong.=C2=A0 

=C2=
=A0

The =
talk will illustrate some of the pitfalls in the design and
validation of black-box models based purely on data. It will then describe =
how
rules can be efficiently derived from neural networks so opening the black-=
box
to derive models that are simpler and transparent e.g. can represented exac=
tly
with nomograms. Perhaps surprisingly, their accuracy is comparable to and o=
ften
better than that of the original model.

=C2=
=A0

In t=
he second part of the talk the theme of using simple and
transparent models to gain insights from complex data will be continued wit=
h an
application to tactical profiling of periods of possession in professional
football.

=C2=
=A0

Link=
: https://www.ljmu.ac.uk/about-us/staff=
-profiles/faculty-of-engineering-and-technology/department-of-applied-mathe=
matics/paulo-lisboa

=C2=
=A0

Cont=
act: John Newell

=C2=
=A0

Hopi=
ng to see you all there,

=C2=
=A0

Haix=
uan and Michael

=C2=
=A0

Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/science/school-of-maths/s=
eminars/

=C2=A0=

--000000000000f286db0584984100--

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Date:         Fri, 22 Mar 2019 10:04:49 +0000
Reply-To:     "Compelli, Alan" 
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Subject: Maths: UCC Applied Mathematics Seminar, Thursday 28 March
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Dear Colleagues,

All are welcome at the following seminar:

UCC Applied Mathematics Seminar

Speaker: Eugene O'Riordan (DCU)

Time and location: 12pm, Thursday 28 March, WGB G02

Title: Numerical methods for singularly perturbed problems

Abstract: Modern software packages can generate numerical solutions to many=
 modelling problems, which can involve coupled systems of nonlinear partial=
 differential equations posed over domains with complicated geometries.
However, these computed solutions are only approximations to any possible s=
olution of the continuous problem. The crucial question of how accurate the=
se approximations might be, is often simply not asked or, at best, parked f=
or another day.
This issue  is discussed within the context of evaluating computed approxim=
ations to the solutions of singularly perturbed elliptic and parabolic prob=
lems.

 ---------------------

Dr Alan Compelli
Postdoctoral Researcher
School of Mathematical Sciences
University College Cork
Ireland

+353 21 420 5813

title:: UCC Applied Maths Seminar
date-time:: Thursday 28 March AT 12pm
location:: WGB G02
content:: Eugene O'Riordan
:: (DCU)
:: presents a talk entitled
:: "Numerical methods for singularly perturbed problems"
endevent::

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Dear Co=
lleagues, 

All are welcome at the following seminar: 

UCC&=
nbsp;Applied Mathematics Seminar

 <=
/span>
Spea=
ker: Eugene O'=
Riordan (DCU)

Time and location: 12pm, Thursday 28 March, WGB G02

Title: Numerical methods for singularly perturbed problems

Abstract: Modern so=
ftware packages can generate numerical solutions to many modelling problems=
, which can involve coupled systems of nonlinear partial differential equat=
ions posed over domains with complicated
 geometries.
However=
, these computed solutions are only approximations to any possible solution=
 of the continuous problem. The crucial question of how accurate these appr=
oximations might be, is often simply
 not asked or, at best, parked for another day. 
This is=
sue  is discussed within the context of evaluating computed approximat=
ions to the solutions of singularly perturbed elliptic and parabolic proble=
ms.

 ---------------------

Dr Alan Compelli

Postdoctoral Researcher

School of Mathematical Sciences

University College Cork

Ireland

+353 21 420 5813

title:: U=
CC
Applied 
Maths Seminar

date-time:: Thursday 28 March AT 12pm

location:: WGB G02

content:: Eugene O'Riordan
:: (DCU)<=
o:p>
:: presen=
ts a talk entitled

:: "Numerical methods for singularly perturbed problems"
endevent::

--_000_DB6PR0202MB2918084607DAF33A9F7D9D7A9C430DB6PR0202MB2918_--

From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 22 10:41:36 2019
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Date:         Fri, 22 Mar 2019 10:41:43 +0000
Reply-To:     Jan Manschot 
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From:         Jan Manschot 
Subject: maths: Dublin Theoretical Physics Colloquium March 27
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Dublin Theoretical Physics Colloquium

Time: Wednesday, 27th of March at 16:00 pm.

Location: Synge Theatre, House 20, Westland Row, Trinity College Dublin.

Speaker: Chris Blair (Brussels)

Title: Non-Riemannian geometry of M-theory from Exceptional Field Theory

Abstract:=20
I will discuss how the ``extended geometry'' of double field theory =
(DFT) and exceptional field theory (ExFT) provides a platform to study =
what one could generally call ``non-Riemannian geometry'' in string and =
M-theory. I will introduce DFT and ExFT as reformulations of =
supergravity that geometrise diffeomorphisms and gauge transformations =
into local O(d,d) or E_{d(d)} generalised diffeomorphisms, while =
unifying metric and form degrees of freedom into generalised tensors =
transforming under these generalised diffeomorphisms. The theory =
involves extra coordinates, however with all fields subject to a =
covariant constraint on the coordinate dependence: solutions of this =
constraint lead back to 10 or 11 dimensions, but solving it in different =
ways gives different (dual) supergravities. As well as describing =
conventional supergravity backgrounds, we can use the extended geometry =
of DFT/ExFT to describe T- and U-folds (where there is a global patching =
by a duality transformation), O-folds (where there is a global quotient =
by a duality transformation) and backgrounds where there is a degenerate =
spacetime geometry. The latter case includes non-relativistic =
geometries, as well as unusual backgrounds in which there is no =
conventional geometric structure in spacetime at all, leading to novel =
chiral or topological theories. Based on: =
https://arxiv.org/abs/1902.01867  and =
https://arxiv.org/abs/1805.04524 

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Future speakers:  =20
3rd of April Debasish Banerjee
10th of April Francesca Day

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: Dublin Theoretical Physics Colloquium
content:: Chris Blair will speak on =20
:: Non-Riemannian geometry of M-theory from Exceptional Field Theory
date-time::  Wednesday the 27th of March at 16:00pm
location:: Synge Theatre, School of Mathematics, Trinity College Dublin
endevent::=

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Dublin Theoretical Physics Colloquium

Time: Wednesday, 27th =
of March at 16:00 pm.

Location: Synge =
Theatre, House 20, Westland Row, Trinity College Dublin.

Speaker: Chris Blair (Brussels)

Title: Non-Riemannian geometry of M-theory from Exceptional Field =
Theory

Abstract: 
I will discuss how the ``extended geometry'' of =
double field theory (DFT) and exceptional field theory (ExFT) provides a =
platform to study what one could generally call ``non-Riemannian =
geometry'' in string and M-theory. I will introduce DFT and ExFT as =
reformulations of supergravity that geometrise diffeomorphisms and gauge =
transformations into local O(d,d) or E_{d(d)} generalised =
diffeomorphisms, while unifying metric and form degrees of freedom into =
generalised tensors transforming under these generalised =
diffeomorphisms. The theory involves extra coordinates, however with all =
fields subject to a covariant constraint on the coordinate dependence: =
solutions of this constraint lead back to 10 or 11 dimensions, but =
solving it in different ways gives different (dual) supergravities. As =
well as describing conventional supergravity backgrounds, we can use the =
extended geometry of DFT/ExFT to describe T- and U-folds (where there is =
a global patching by a duality transformation), O-folds (where there is =
a global quotient by a duality transformation) and backgrounds where =
there is a degenerate spacetime geometry. The latter case includes =
non-relativistic geometries, as well as unusual backgrounds in which =
there is no conventional geometric structure in spacetime at all, =
leading to novel chiral or topological theories. Based on: https://arxiv.org/abs/1902.01867 and https://arxiv.org/abs/1805.04524

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
Future =
speakers:   <=
/blockquote>3rd of April Debasish =
Banerjee
10th =
of April Francesca Day

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D

title:: Dublin =
Theoretical Physics Colloquium
content:: Chris =
Blair will speak on =

:: Non-Riemannian geometry of M-theory from =
Exceptional Field =
Theory<=
/div>
date-time::  Wednesday =
the 27th of March at =
16:00pm=
location:: Synge =
Theatre, School of Mathematics, Trinity College Dublin
endevent::=
=

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From owner-mathdep LISTSERV.HEANET.IE  Fri Mar 22 11:01:45 2019
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Date:         Fri, 22 Mar 2019 11:01:36 +0000
Reply-To:     Ruth Britto 
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From:         Ruth Britto 
Subject: maths: Theoretical Physics Seminar - TCD - 28 March
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TCD THEORETICAL PHYSICS SEMINAR
Thursday, 28 March 2019, 2:00 pm

Seminar Room, House 20
School of Mathematics=20
Trinity College Dublin

Speaker: Brenda Penante (CERN)
Title: Elliptic polylogarithms and Feynman integrals

Abstract:=20
In this talk I discuss classes of function useful for representing =
Feynman integrals. The first, multiple polylogarithms (MPLs), constitute =
a well-understood class of functions which describe most of the Feynman =
integrals computed to date. Next I discuss a generalisation of MPLs to =
the elliptic curve suited for describing several integrals known not to =
be expressible in terms of MPLs. These functions generalise many of the =
interesting properties of MPLs, including the notion of uniform weight.

All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

title:: TCD Theoretical Physics Seminar
content::Brenda Penante (CERN)
::Elliptic polylogarithms and Feynman integrals::
date-time:: 28 March 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::=

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TCD THEORETICAL PHYSICS SEMINAR
Thursday, 28 March 2019, 2:00 pm

Seminar Room, House 20
School of =
Mathematics 
Trinity College Dublin

Speaker: Brenda Penante (CERN)
Title: Elliptic =
polylogarithms and Feynman integrals

Abstract: 
In this =
talk I discuss classes of function useful for representing Feynman =
integrals. The first, multiple polylogarithms (MPLs), constitute a =
well-understood class of functions which describe most of the Feynman =
integrals computed to date. Next I discuss a generalisation of MPLs to =
the elliptic curve suited for describing several integrals known not to =
be expressible in terms of MPLs. These functions generalise many of the =
interesting properties of MPLs, including the notion of uniform =
weight.

All are welcome.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

title:: TCD Theoretical Physics Seminar
content::Brenda Penante (CERN)
::Elliptic =
polylogarithms and Feynman integrals::
date-time:: =
28 March 2019 at 2:00 pm
location::Seminar Room House 20, =
TCD
endevent::=

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Date:         Fri, 22 Mar 2019 14:17:54 +0000
Reply-To:     Sergey Mozgovoy 
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From:         Sergey Mozgovoy 
Subject: maths: TODAY - TCD Geometry Seminar
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TCD Geometry Seminar
Friday, March 22 at 4:00pm
New Seminar Room, Hamilton Building, TCD

Speaker: Marton Hablicsek (University of Copenhagen)

Title: Extra structures on deformation quantizations of shifted symplectic
derived stacks in positive characteristics

Abstract:
Bezrukavnikov and Kaledin showed that convergent deformation quantizations
of symplectic varieties over a perfect field of positive characteristic
give rise to sheaves of Azumaya algebras. We investigate the structure of
the convergent quantization of shifted symplectic derived stacks,
especially the 1-shifted cotangent bundle S of a smooth scheme X over a
perfect field of positive characteristic. We show that the quantization is
an E2-algebra over the Frobenius twist S=E2=80=B2 of the 1-shifted cotangen=
t bundle
which restricted to the zero section X'-->S' is weakly E2-Morita equivalent
to the structure sheaf of the Frobenius twist X' of X.

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TCD Geometry S=
eminar
Friday, March 22 at 4:00pm
New Seminar =
Room, Hamilton Building, TCD

Speaker: Marton Hablicsek (University o=
f Copenhagen)

Title: Extra structures on deformation quantizations o=
f shifted symplectic derived stacks in positive characteristics

Abst=
ract:
Bezrukavnikov and Kaledin showed that convergent deformation quant=
izations of symplectic varieties over a perfect field of positive character=
istic give rise to sheaves of Azumaya algebras. We investigate the structur=
e of the convergent quantization of shifted symplectic derived stacks, espe=
cially the 1-shifted cotangent bundle S of a smooth scheme X over a perfect=
 field of positive characteristic. We show that the quantization is an E2-a=
lgebra over the Frobenius twist S=E2=80=B2 of the 1-shifted cotangent bundl=
e which restricted to the zero section X'-->S' is weakly E2-Mori=
ta equivalent to the structure sheaf of the Frobenius twist X' of X.

--000000000000056c480584af85f8--

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Reply-To:     Rafael De Andrade Moral 
Sender:       UCD Maths Department Distribution List 
From:         Rafael De Andrade Moral 
Subject: Maths: Maynooth Colloquium in Mathematics and Statistics
Comments: To: MathsStatsStaff
          ,
          MathsStatsTutors
          ,
          mathsstatspgresearch
          ,
          MathsSupportCentreTutors

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Dear colleagues,

Next week's Mathematics and Statistics Colloquium takes place as usual on W=
ednesday (27th Mar) at 4pm in MS2, Logic House, Maynooth. See below for det=
ails. All are welcome.

Best wishes,
Rafael

Speaker: Prof Simon Kristensen (Aarhus University)
Title: Arithmetic properties of series of reciprocals of algebraic integers
Abstract: Questions of irrationality of convergent series of reciprocals of=
 integers is a fascinating one. Among other problems, the topic includes th=
e question of irrationality of odd zeta-values. Of course, lower bounding t=
he degree of such a number is a stronger and potentially harder problem. I =
will introduce the problems studied within this field before proceeding wit=
h some recent research. In joint work with Simon Bruno Andersen, we provide=
 a general growth criterion on a sequence of algebraic integers, which ensu=
res that the degree of the series of reciprocals is transcendental or of de=
gree at least D. Our result does not shed new light on the odd zeta-values,=
 but it does extend results of Erd=F6s as well as Hancl and Nair.

---------------------------------------------------------------------------=
------

Dr Rafael de Andrade Moral

Lecturer in Statistics

Department of Mathematics and Statistics

Maynooth University

T: +353 1 708 6645

E: rafael.deandrademoral mu.ie

W: www.maynoothuniversity.ie/people/rafael-de-andrade-moral

---------------------------------------------------------------------------=
------

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Dear colleagues,

Next week's Mathematics and Statistics Colloquium takes place as usual=
 on Wednesday (27th Mar) at 4pm in MS2, Logic House, Maynooth. See below fo=
r details. All are welcome.

Best wishes,

Rafael

Speaker: Prof Simon Kristensen (Aarhus University)

Title: Arithmetic properties of series of reciprocals of algebr=
aic integers

Abstract: Questions of irrationality of convergent series of r=
eciprocals of integers is a fascinating one. Among other problems, the topi=
c includes the question of irrationality of odd zeta-values. Of course, low=
er bounding the degree of such a
 number is a stronger and potentially harder problem. I will introduce the =
problems studied within this field before proceeding with some recent resea=
rch. In joint work with Simon Bruno Andersen, we provide a general growth c=
riterion on a sequence of algebraic
 integers, which ensures that the degree of the series of reciprocals is tr=
anscendental or of degree at least D. Our result does not shed new light on=
 the odd zeta-values, but it does extend results of Erd=F6s as well as Hanc=
l and Nair.

----------------------------------------=
-----------------------------------------

Dr Rafael de Andrade Moral

Lecturer in Statistics

Department of Mathematics and Statistics=