the first installment of the Dublin Theoretical Physics Colloquium 2023/24 = is happening this week! A preliminary schedule for the colloquia this year = can be found at https://sites.google= .com/tcd.ie/dtpc23-24/home

Date & Time: Wednesday, 13th September= 2023 at 4:00pm

Venue: = Salmon Lecture Theatre, Hamilton building, Trinity College Dublin

Speaker:= Nat Levine (ENS Paris)

Title:&n= bsp;Boo= tstrapping bulk locality

Abstrac= t: The problem of constructing local bulk observables from boundary CFT data is o= f paramount importance in holography. We begin addressing this question fro= m a modern bootstrap perspective. Our main tool is the boundary operator ex= pansion (BOE), which holds for any QFT in AdS. Following Kabat and Lifschytz, we argue that the BOE is strong= ly constrained by demanding locality of correlators involving bulk fields. = Focusing on =91AdS form factors=92 of one bulk and two boundary insertions,= we reformulate these locality constraints as a complete, non-perturbative set of sum rules on the CFT and BOE data. = We study the flat-space limit when the AdS form factor reduces to a flat-sp= ace form factor, and provide a phase-shift formula for it in terms of CFT d= ata. In 2d, under certain extremality assumptions on the CFT, this formula leads to Watson=92s equations for int= egrable form factors. We discuss the utility of bulk locality, in combinati= on with crossing, for the conformal bootstrap.

All are welcome!

title:: Dublin Theoretical Physics Colloquium

conte= nt:: Nat Levine&nb= sp;(ENS Paris) will speak on

:: Bootstrapping bulk locality

date-= time:: 13th September 2023 at 4:00pm

location:: Salmon Lecture Theatre, School of Mathematics, Trinity College D= ublin
endevent::

------------------------= -
Luke Corcoran & Patrick Fritzsch

School of Mathematics Trinity College Dublin
Dublin 2
Ireland

email: corcorl6 tcd.ie,&= nbsp;fritzscp tcd.ie

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

--_000_GV2PR02MB86525E2140050C98F896C341F1F2AGV2PR02MB8652eurp_-- From owner-mathdep LISTSERV.HEANET.IE Fri Sep 15 06:05:40 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_SOFTFAIL, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.0 Date: Fri, 15 Sep 2023 06:04:52 +0100 Reply-To: Kazim Buyukboduk Sender: UCD Maths Department Distribution List From: Kazim Buyukboduk Subject: maths: Algebra and Number Theory seminar, Thu 21st Sep 2023 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --00000000000053804c06055ebc5d Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable UCD School of Mathematics and Statistics - Seminar Notice *Speaker:* Henri Johnston (Exeter) *Title:* Computation of lattice isomorphisms and the integral matrix similarity problem *Date:* Thu 21st Sep 2023 *Time:* 2:00PM *Location:* Science East, Room 0.32 ("next to =CF=80") *Abstract:* Computation of lattice isomorphisms and the integral matrix similarity problem. Let A be a finite-dimensional algebra over a number field and let Lambda be an order in A. Under certain hypotheses on A, we give an efficient algorithm that given two Lambda-lattices X and Y, determines whether X and Y are isomorphic, and if so, computes an explicit isomorphism X -> Y. As an application, we give an algorithm for the following long-standing problem: given a positive integer n and two n x n integral matrices A and B, determine whether A and B are similar over Z, and if so, return a matrix C in GL_n(Z) such that B=3D CAC^-1. This is joint work with Werner Bley and Tommy Hofmann. The article is available here . *Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html ------------------------------------------------------------- For other seminars in the Algebra and Number Theory series, see http://maths.ucd.ie/seminarseries/Algebra ------------------------------------------------------------- The following formats the above notice so as to be included in the mathdep google calendar title:: Computation of lattice isomorphisms and the integral matrix similarity problem content:: Henri Johnston (Exeter) :: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Algebra) location:: Science East, Room 0.32 ("next to =CF=80") date-time:: Thu 21st Sep 2023 at 2:00PM --00000000000053804c06055ebc5d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

UCD S=
chool of Mathematics and Statistics - Seminar Notice

=20
	Speaker: Henri Johnston (Exeter)
=20
	Title: Computation of lattice isomorphisms and the integral matrix =
similarity problem

=20
	Date: Thu 21st Sep 2023
=20
	Time: 2:00PM=20
=20
	Location: Science East, Room 0.32 ("next to =CF=80")

Abstract: Computation of lattice isomorphisms and the integral matri=
x similarity problem. Let A be a finite-dimensional algebra over a number f=
ield and let Lambda be an order in A. Under certain hypotheses on A, we giv=
e an efficient algorithm that given two Lambda-lattices X and Y, determines=
 whether X and Y are isomorphic, and if so, computes an explicit isomorphis=
m X -> Y. As an application, we give an algorithm for the following long=
-standing problem: given a positive integer n and two n x n integral matric=
es A and B, determine whether A and B are similar over Z, and if so, return=
 a matrix C in GL_n(Z) such that B=3D CAC^-1. This is joint work with Werne=
r Bley and Tommy Hofmann. The article is available=C2=A0here.

Further information: https://maths.ucd.i=
e/~kazim_b/UCD_ANT_Seminar.html=20

-------------------------------------------------------------
For other seminars in the Algebra and Number Theory series, see http://maths.ucd.ie/seminarseries/Algebra

-------------------------------------------------------------
The following formats the above notice so as to be included in the mathdep =
google calendar

title:: Computation of lattice isomorphisms and the integral matrix similar=
ity problem
content:: Henri Johnston (Exeter)
:: UCD Algebra and Number Theory seminar (http://maths.ucd.=
ie/seminarseries/Algebra)=20
location:: Science East, Room 0.32 ("next to =CF=80")
date-time:: Thu 21st Sep 2023 at 2:00PM

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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit *[EXTERNAL] *This email was sent from outside of UCC. Dear Colleagues, You are welcome to the followingseminar (details below). Coffee/tea and cake will be provided after the event at 3pm. _*UCC*__*Mathematical Sciences Seminar *_ *Time and location:*2-3pm, Thursday 21st September, Western Gateway Building, room 304* * *Speaker:*Anne Skeldon (University of Surrey, UK) * * *Title:*The fast-slow dynamics of sleep regulation * * *Abstract:* The regulation of sleep and wake occurs through the interaction of specific neuronal populations in the brain with macroscale internal rhythms and external environmental cues, such as the light-dark cycle. Mathematical models of sleep-wake regulation have been very successful at providing a conceptual framework for understanding the timing and duration of sleep, with implications for public policy on design of our living environments, the timing of our clocks (e.g. daylight saving time versus standard time) and the timing of our work schedules. Not surprisingly, since we remain in the states of sleep or wake for some time, but switch between states rapidly, models typically have multiple time scales. Here I’ll give a brief overview of the fast-slow dynamics of some recent models of sleep-wake regulation and the insights that understanding that structure brings. Best wishes, Andrew Keane title:: Mathematical Sciences Seminar (University College Cork) content:: Anne Skeldon (University of Surrey, UK) will speak on :: The fast-slow dynamics of sleep regulation :: For further information see: :: https://www.ucc.ie/en/matsci/events/somsseminarseries2023-24/ date-time:: 21st September 2023 at 14:00 location:: Western Gateway Building 304, University College Cork endevent:: --------------UVPWy51LGjJpbQ5rXbAAbDt0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit

[EXTERNAL] This email was sent from outside of UCC.

Dear Colleagues,

You are welcome to the following seminar (details below). Coffee/tea and cake will be provided after the event at 3pm.

UCC Mathematical Sciences Seminar

Time and location: 2-3pm, Thursday 21st September, Western Gateway Building, room 304

Speaker: Anne Skeldon (University of Surrey, UK)

Title: The fast-slow dynamics of sleep regulation

Abstract: The regulation of sleep and wake occurs through the interaction of specific neuronal populations in the brain with macroscale internal rhythms and external environmental cues, such as the light-dark cycle. Mathematical models of sleep-wake regulation have been very successful at providing a conceptual framework for understanding the timing and duration of sleep, with implications for public policy on design of our living environments, the timing of our clocks (e.g. daylight saving time versus standard time) and the timing of our work schedules. Not surprisingly, since we remain in the states of sleep or wake for some time, but switch between states rapidly, models typically have multiple time scales. Here I’ll give a brief overview of the fast-slow dynamics of some recent models of sleep-wake regulation and the insights that understanding that structure brings.

Best wishes,

Andrew Keane

title:: Mathematical Sciences Seminar (University College Cork)
content:: Anne Skeldon (University of Surrey, UK) will speak on
:: The fast-slow dynamics of sleep regulation
:: For further information see:
:: https://www.ucc.ie/en/matsci/events/somsseminarseries2023-24/
date-time:: 21st September 2023 at 14:00
location:: Western Gateway Building 304, University College Cork
endevent::

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boundary="_000_AM7PR02MB629046A6250CA20AB099D15CB8FBAAM7PR02MB6290eurp_" MIME-Version: 1.0 X-OriginatorOrg: tcd.ie X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM7PR02MB6290.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7068335e-480c-4f83-ee97-08dbb83db9f7 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Sep 2023 11:52:25.5341 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d595be8d-b306-45f4-8064-9e5b82fbe52b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: NGgLFBtF4kwzJQHIonYrCbL3KlCULeVfjcqi2VQaQEIKeoFp90TICH52tPRz5YCk X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS2PR02MB9978 Message-ID: Date: Mon, 18 Sep 2023 11:52:25 +0000 Reply-To: Patrick Fritzsch Sender: UCD Maths Department Distribution List From: Patrick Fritzsch <00000ef6a98f4174-dmarc-request LISTSERV.HEANET.IE> Subject: maths: Dublin Area Theoretical Physics Colloquium 2023/24 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_AM7PR02MB629046A6250CA20AB099D15CB8FBAAM7PR02MB6290eurp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dublin Area Theoretical Physics Colloquium Notice ------------------------------------------------------------- Dear all, please be aware of our next Theoretical Physics Colloquium at TCD: Date + Time: Wednesday, 20-Sep-2023, 4:00 PM Location: Salmon lecture theatre (TCD, Hamilton building, ground floor= ) Speaker: Constantia Alexandrou (University of Cyprus) Title: Nucleon structure from lattice QCD Abstract: Theoretical progress and increased computational resources r= esulted in simulations of lattice QCD with physical values of the quark mas= ses and small lattice spacings enabling precision nucleon structure studi= es. I will present recent results from the analysis of three such gauge ens= embles with different lattice spacings generated by the the Extended Twiste= d Mass Collaboration (ETMC). They include nucleon charges and form factors,= the spin decomposition of the nucleon and a comparison with recent results= by other collaborations. We are looking forward to seeing you in person. All are welcome! Best, Luke Corcoran & Patrick Fritzsch ------------------------------------------------------------- Further information: https://sites.google.com/tcd.ie/dtpc23-24/home ------------------------------------------------------------- Dear mathdep google calendar title:: Nucleon structure from lattice QCD content:: Constantia Alexandrou (University of Cyprus) :: Dublin Area Theoretical Physics Colloquium (http://sites.google.com/tcd.= ie/dtpc23-24/home) location:: Synge lecture theatre, Hamilton building (ground floor) date-time:: Wed 20 Sep 2023 at 4:00PM --_000_AM7PR02MB629046A6250CA20AB099D15CB8FBAAM7PR02MB6290eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Dubli=
n Area Theoretical Physics Colloquium Notice
-------------------------------------------------------------
Dear =
all,
please be awar=
e of our next Theoretical Physics Colloquium at TCD:

  Date + Time: Wednesday, 20-Sep-2023, 4:00 PM =0A=
 =0A=
  Location:    Salmon lecture theatre (TCD=
, Hamilton building, ground floor)
  Speaker:   =
  Constantia Alexandrou (University of Cyprus)  Title:       Nucleon structure from lattice QCD=0A=
=0A=
  Abstract:    Theoretical =
progress and increased computational resources resulted in simulations of lattice QCD with =
physical values of the quark masses and small lattice spacings enabling &nb=
sp; precision nucleon structure studies. I will present recent results from=
 the analysis of three such gauge ensembles with different lattice spacings=
 generated by the the Extended Twisted Mass Collaboration (ETMC). They incl=
ude nucleon charges and form factors, the spin decomposition of the nucleon=
 and a comparison with recent results by other collaborations.<=
/pre>

=0A=

We are looking forw=
ard to seeing you in person. 
All ar=
e welcome!
Best,
Luke Corcoran & Patrick Fritzsch

----------------------=
---------------------------------------
Further information:=
 https://sites.google.com/tcd.ie/dtpc23-24/home<=
/span> 
---------------------------=
----------------------------------=0A=
Dear mathdep google calendar
title=
:: Nucleon structure from lattice QCD=0A=
content:: Constantia Alexandrou (University of Cyprus)=0A=
:: Dublin Area Theoretical Physics Colloquium (=
http://sites.google.com/tcd.ie/dtpc23-24/home) =0A=
location:: Synge lecture theatre, Hamilton building (ground floor)=0A=
date-time:: Wed 20 Sep 2023 at 4:00PM

--_000_AM7PR02MB629046A6250CA20AB099D15CB8FBAAM7PR02MB6290eurp_-- From owner-mathdep LISTSERV.HEANET.IE Mon Sep 18 15:34:31 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_SOFTFAIL, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.0 Date: Mon, 18 Sep 2023 14:34:02 +0000 Reply-To: Spyridon Dendrinos Sender: UCD Maths Department Distribution List From: Spyridon Dendrinos Subject: maths: Boole Chair of Mathematics at UCC To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_DB7PR02MB43305C24EDD463B5EADB514EBAFBADB7PR02MB4330eurp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Boole Chair of Mathematics at University College Cork, Ireland. University College Cork (UCC) wishes to make a permanent professorial appoi= ntment within the School of Mathematical Sciences to the Boole Chair of Mat= hematics. The position is named after George Boole who was the first profes= sor of mathematics at Queen's College Cork, now UCC, appointed in 1849. The= School of Mathematical Sciences comprises the disciplines of Mathematics, = Applied Mathematics, and Statistics and has a permanent academic staff of 3= 0.5, nine of whom are affiliated to the mathematics discipline and work acr= oss the areas of non-commutative probability and operator algebras, harmoni= c analysis, numerical methods for SDEs, differential geometry, algebraic ge= ometry and classical analysis. While the position is advertised in tandem w= ith several other appointments within the UCC Futures - Quantum and Photoni= cs, applicants from all areas of (pure) mathematics are encouraged to apply= . The Boole Chair of Mathematics will play a pivotal leadership role in the d= evelopment of Mathematics in the School and across the University. This le= adership role includes: building research capacity in Mathematics and maxim= ising the opportunities and potential for Mathematics research within the S= chool and University; supporting the School's responsibilities for delivery= of BSc and MSc Programmes; growing enrolment to our PhD program; and embed= ding Mathematical research in the various Thematic Areas within University = College Cork's Futures research initiative, with UCC Futures - Quantum and = Photonics being an immediate priority. Applicants should have an internatio= nal standing as a leading researcher and scholar in Mathematics as evidence= d by an established track record of peer reviewed publications in top-tier = Mathematics journals and external research funding. Reporting to the Head o= f School of Mathematical Sciences, the appointee will have relevant teachin= g and research experience enabling them to provide leadership in the discip= line. Details of the post are available at the following link: https://my.corehr.com/pls/uccrecruit/erq_jobspec_version_4.jobspec?p_id=3D0= 70812 Applicants are advised to pay particular attention to the 'essential select= ion criteria' beginning on Page 13 of the 'Candidate Brief' document. Information on the School of Mathematical Sciences at UCC is available here= : https://www.ucc.ie/en/matsci/ The closing date for applications is Tuesday 5th December 2023. For enquires, please feel free to contact either Dr. Kevin Hayes, Head of S= chool, kevin.hayes ucc.ie or Dr. Tom Carroll, He= ad of Discipline (Mathematics) t.carroll ucc.ie. Sent on behalf of Dr. Tom Carroll --_000_DB7PR02MB43305C24EDD463B5EADB514EBAFBADB7PR02MB4330eurp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Boole Chair of Mathematics at University Coll= ege Cork, Ireland.

University College Cork (UCC) wishes to make a p= ermanent professorial appointment within the School of Mathematical Science= s to the Boole Chair of Mathematics. The position is named after George Boole who was= the first professor of mathematics at Queen's College Cork, now UCC, appoi= nted in 1849. The School of Mathematical Sciences comprises the disciplines= of Mathematics, Applied Mathematics, and Statistics and has a permanent academic staff of 30.5, nine of whom ar= e affiliated to the mathematics discipline and work across the areas of non= -commutative probability and operator algebras, harmonic analysis, numerica= l methods for SDEs, differential geometry, algebraic geometry and classical analysis. While the position is= advertised in tandem with several other appointments within the UCC Future= s – Quantum and Photonics, applicants from all areas of (pure) mathem= atics are encouraged to apply.

The Boole Chair of Mathematics will play a pivot= al leadership role in the development of Mathematics in the School and acro= ss the University. This leadership role includes: building research capacity in Mathematics and maximising the opportunities= and potential for Mathematics research within the School and University; s= upporting the School’s responsibilities for delivery of BSc and MSc P= rogrammes; growing enrolment to our PhD program; and embedding Mathematical research in the various Thematic Areas= within University College Cork's Futures research initiative, with UCC Fut= ures - Quantum and Photonics being an immediate priority. Applicants should= have an international standing as a leading researcher and scholar in Mathematics as evidenced by an esta= blished track record of peer reviewed publications in top-tier Mathematics = journals and external research funding. Reporting to the Head of School of = Mathematical Sciences, the appointee will have relevant teaching and research experience enabling them to provi= de leadership in the discipline. Details of the post are available at the f= ollowing link:

https://my.corehr.com/pls/uccr= ecruit/erq_jobspec_version_4.jobspec?p_id=3D070812

Applicants are advised to pay particular attention to the 'es= sential selection criteria' beginning on Page 13 of the 'Candidate Brief' document.

Information on the School of Mathematical Scienc= es at UCC is available here:

https:= //www.ucc.ie/en/matsci/

The closing date for applications is Tue= sday 5th December 2023.

For enquires, please feel free to contact either= Dr. Kevin Hayes, Head of School, kevin.hayes ucc.ie or Dr. Tom Car= roll, Head of Discipline (Mathematics) t.carroll ucc.ie.=

Sent on behalf of Dr. Tom Carroll

&nbs= p;

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boundary="_000_DB9PR03MB7628C957D9F22526BB4E286787FAADB9PR03MB7628eurp_" MIME-Version: 1.0 X-OriginatorOrg: ul.ie X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DB9PR03MB7628.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5572bed5-6731-42f2-6d7e-08dbb8fb60d4 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Sep 2023 10:30:00.3829 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0084b924-3ab4-4116-9251-9939f695e54c X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: f4qYIkiMb0j3I+xtqXDg2W/g454aXNO41yoNWCLw6IgDm3rkMGI9ATToE7n2VcBhy0yEpqrcYaEV0kQu1DviZQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS2PR03MB9766 Message-ID: Date: Tue, 19 Sep 2023 10:30:00 +0000 Reply-To: "Romina.Gaburro" Sender: UCD Maths Department Distribution List From: "Romina.Gaburro" Subject: Maths: Zoom MACSI seminar, Friday 22nd of September at 3pm To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_DB9PR03MB7628C957D9F22526BB4E286787FAADB9PR03MB7628eurp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear All, the first MACSI seminar of the Autumn semester at the Department of Mathema= tics and Statistics, University of Limerick will be given by Ciprian Craini= ceanu (John Hopkins University) on Friday the 22nd of September. Details of= the seminar are given below. The seminar will be held online only via Zoom at: Join Zoom Meeting https://us06web.zoom.us/j/83549290373?pwd=3DdjWeTJxdkb2gZijW2qa8syHjyGP9iw.= 1 Meeting ID: 835 4929 0373 Passcode: 112172 Date: Friday, September 22, 2023 at 15.00. Speaker: Prof. Ciprian Crainiceanu, Professor of Biostatistics, John Hopkin= s University. Title: Biostatistical methods for wearable devices with applications to NHA= NES and UK Biobank. Abstract: Wearable devices, such as accelerometers and heart monitors, are = used in health research because they provide objective, continuous, unbiase= d, and detailed information about human activity either in the laboratory o= r the free-living environment. In this talk I will explore the different re= solutions of the data, ways to summarize it, and inferential methods for ex= ploring the associations with health outcomes. We will illustrate these met= hods using large, publicly available datasets, including the NHANES and UK = Biobank. Short bio: Ciprian Crainiceanu is a Professor of Biostatistics at Johns Hop= kins University. He is a generalist who specializes in wearable and implant= able technology (WIT) in health studies and Neuroimaging in clinical studie= s. Prof Crainiceanu is the co-founder of the Statistical Methods and Applic= ations for Research in Technology (SMART) research group and the co-founder= of Neuroconductor. Best wishes, Romina ----------------------------------------------------------- Dr. Romina Gaburro, Course Director MSc in Mathematical Modelling Senior 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_DB9PR03MB7628C957D9F22526BB4E286787FAADB9PR03MB7628eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Dear All,

the first MACSI seminar of the Aut= umn semester at the Department of Mathematics and Statistics, Universi= ty of Limerick will be given by Ciprian Crainiceanu (John Hopkins University) on Friday t= he 22^nd of September. Details of the seminar are given= below.

The seminar will be held online on= ly via Zoom at:

Join Zoom Meeting
https://us06web.z= oom.us/j/83549290373?pwd=3DdjWeTJxdkb2gZijW2qa8syHjyGP9iw.1

Meeting ID: 835 4929 0373
Passcode: 112172

Date: Friday, September 22, 2023 at 15.00.

Speaker: Prof. Ciprian C= rainiceanu, Professor of Biostatistics, John Hopkins University.

Title: Biostatistical methods for wearable devices with applications to NHANES and UK Biobank.

Abstract: Wearable devices, such= as accelerometers and heart monitors, are used in health research because = they provide objective, continuous, unbiased, and detailed information about human activity either in the labo= ratory or the free-living environment. In this talk I will explore the diff= erent resolutions of the data, ways to summarize it, and inferential method= s for exploring the associations with health outcomes. We will illustrate these methods using large, public= ly available datasets, including the NHANES and UK Biobank.

Short bio: Ciprian Crainiceanu is a Professor of Biostat= istics at Johns Hopkins University. He is a generalist who specializes in wearabl= e and implantable technology (WIT) in health studies and Neuroimaging in cl= inical studies. Prof Crainiceanu is the co-founder of the Statistical Metho= ds and Applications for Research in Technology (SMART) research group and the co-founder of Neurocondu= ctor.

--------------------------= ---------------------------------

D= r. Romina Gaburro, Course Director MSc in Mathematical Modelling<= /span>

S= enior Lecturer in Applied Mathematics

D= epartment of Mathematics & Statistics

U= niversity of Limerick

T= el: +353 (0)61 213193

F= ax: +353 (0)61 334927

E= mail: romina= .gaburro ul.ie

--_000_DB9PR03MB7628C957D9F22526BB4E286787FAADB9PR03MB7628eurp_-- From owner-mathdep LISTSERV.HEANET.IE Wed Sep 20 14:33:39 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,MIME_QP_LONG_LINE,SPF_HELO_NONE,SPF_SOFTFAIL, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.0 Date: Wed, 20 Sep 2023 14:32:59 +0100 Reply-To: seminars MATHS.UCD.IE Sender: UCD Maths Department Distribution List From: seminars MATHS.UCD.IE Subject: maths: Analysis seminar, Tue 26th September 2023 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: ----+--1695216779--+-- Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable UCD School of Mathematics and Statistics - Seminar Notice=0D =0D =0D Speaker: {Anatoly Golberg (Holon Institute of Technology, Israel)=0D =0D Title: ``Quasiworld'' from various points of view=0D =0D =0D Date: Tue 26th September 2023=0D =0D Time: 3:00PM=0D =0D Location: E0.32 (beside Pi restaurant)=0D =0D Abstract: In this talk, first we survey the main classes of ``quasiworld': = quasiconformal, quasiregular, quasisymmetric, quasim\'obius mappings, etc. = In the mapping theory of higher dimensions, there are employed three main a= pproaches: analytic, modular and metric. We discuss all of them and present= our recent results relating to Teichm\'uller's theorem on separating rings= in higher dimensions, removability and distortion estimates for mappings w= ith controlled $p$-moduli, extremal bound estimates for planar quasireqular= mappings. All the results will be illustrated by appropriate examples.=0D =0D =0D Further information: https://ucd-ie.zoom.us/j/63806957088 =0D =0D -------------------------------------------------------------=0D For other seminars in the Analysis series, see http://maths.ucd.ie/seminars= eries/Analysis=0D =0D -------------------------------------------------------------=0D The following formats the above notice so as to be included in the mathdep = google calendar=0D =0D title:: ``Quasiworld'' from various points of view=0D content:: {Anatoly Golberg (Holon Institute of Technology, Israel) =0D :: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D location:: E0.32 (beside Pi restaurant)=0D date-time:: Tue 26th September 2023 at 3:00PM=20= ----+--1695216779--+-- Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
UCD School of Mathematics and Statistics - Seminar Notice

Speaker: {Anatoly Golberg (Holon Institute of Technology, Israel)

Title: ``Quasiworld'' from various points of view

Date: Tue 26th September 2023

Time: 3:00PM

Location: E0.32 (beside Pi restaurant)

Abstract: In this talk, first we survey the main classes of ``quasiworld': quasiconformal, quasiregular, quasisymmetric, quasim\'obius mappings, etc. In the mapping theory of higher dimensions, there are employed three main approaches: analytic, modular and metric. We discuss all of them and present our recent results relating to Teichm\'uller's theorem on separating rings in higher dimensions, removability and distortion estimates for mappings with controlled $p$-moduli, extremal bound estimates for planar quasireqular mappings. All the results will be illustrated by appropriate examples.

Further Information

-------------------------------------------------------------
For other seminars in the Analysis series, click http://maths.ucd.ie/seminarseries/Analysis

-------------------------------------------------------------
The following formats the above notice so as to be included in the mathdep google calendar

title:: ``Quasiworld'' from various points of view
content:: {Anatoly Golberg (Holon Institute of Technology, Israel)
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
location:: E0.32 (beside Pi restaurant)
date-time:: Tue 26th September 2023 at 3:00PM
----+--1695216779--+---- From owner-mathdep LISTSERV.HEANET.IE Fri Sep 22 06:26:03 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.0 Date: Fri, 22 Sep 2023 06:24:00 +0100 Reply-To: Kazim Buyukboduk Sender: UCD Maths Department Distribution List From: Kazim Buyukboduk Subject: maths: Algebra and Number Theory seminar, Thu 28th Sep 2023 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --000000000000c8e40d0605ebd554 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable UCD School of Mathematics and Statistics - Seminar Notice *Speaker:* Daniel Macias Castillo (Madrid) *Title:* The refined class number formula for Drinfeld modules *Date:* Thu 28th Sep 2023 *Time:* 2:00PM *Location:* Science East, Room 0.32 ("next to =CF=80") *Abstract:* In 2012, Taelman proved an analogue of the Analytic Class Number Formula, for the Goss L-values that are associated to Drinfeld modules. He also explicitly stated that "it should be possible to formulate and prove an equivariant version" of this formula. In joint work with Maria Ines de Frutos Fernandez and Daniel Martinez Marques, we formulate and prove an equivariant, or =E2=80=98refined=E2=80= =99, version of Taelman=E2=80=99s formula. In this talk, we will review Taelman=E2=80=99= s work and discuss the formulation of the refined formula. *Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html ------------------------------------------------------------- For other seminars in the Algebra and Number Theory series, see http://maths.ucd.ie/seminarseries/Algebra ------------------------------------------------------------- The following formats the above notice so as to be included in the mathdep google calendar title:: The refined class number formula for Drinfeld modules content:: Daniel Macias Castillo (Madrid) :: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Algebra) location:: Science East, Room 0.32 ("next to =CF=80") date-time:: Thu 28th Sep 2023 at 2:00PM --000000000000c8e40d0605ebd554 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
UCD Schoo= l of Mathematics and Statistics - Seminar Notice =20 Speaker: Daniel Macias Castillo (Madrid) =20 Title: The refined class number formula for Drinfeld modules =20 Date: Thu 28th Sep 2023=20 =20 Time: 2:00PM=20 =20 Location: Science East, Room 0.32 ("next to =CF=80") Abstract: In 2012, Taelman proved an analogue of the Analytic Class = Number Formula, for the Goss L-values that are associated to Drinfeld modul= es. He also explicitly stated that "it should be possible to formulate= and prove an equivariant version" of this formula.
In joint work with Maria Ines de Frutos Fernandez = and Daniel Martinez Marques, we formulate and prove an equivariant, or =E2= =80=98refined=E2=80=99, version of Taelman=E2=80=99s formula. In this talk,= we will review Taelman=E2=80=99s work and discuss the formulation of the r= efined formula.

Further information: https://maths.u= cd.ie/~kazim_b/UCD_ANT_Seminar.html=20 ------------------------------------------------------------- For other seminars in the Algebra and Number Theory series, see http://maths.u= cd.ie/seminarseries/Algebra ------------------------------------------------------------- The following formats the above notice so as to be included in the mathdep = google calendar title:: The refined class number formula for Drinfeld modules content:: Daniel Macias Castillo (Madrid) :: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al= gebra)=20 location:: Science East, Room 0.32 ("next to =CF=80") date-time:: Thu 28th Sep 2023 at 2:00PM
=

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boundary="_000_AM6PR02MB51265A38B9E4236839DEA47C87FFAAM6PR02MB5126eurp_" MIME-Version: 1.0 X-OriginatorOrg: mu.ie X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM6PR02MB5126.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: be9d50d5-d690-4f4a-438d-08dbbb757351 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Sep 2023 14:08:52.3084 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 1454f5cc-bb35-4685-bbd9-8621fd8055c9 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 86UJO4idyuCdC6w55EMPsGyf2DfdpZK3ugJVd+6VJ6qZ43IrUe6bcpQFx7Sv/IF4q5JpgU1A0ddWYhpom32f5w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR02MB8489 Message-ID: Date: Fri, 22 Sep 2023 14:08:52 +0000 Reply-To: Ian Banfield Sender: UCD Maths Department Distribution List From: Ian Banfield Subject: maths: MU Maths-Stats Colloquium, Wednesday 27th September To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_AM6PR02MB51265A38B9E4236839DEA47C87FFAAM6PR02MB5126eurp_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Dear colleagues, This year's first MU Mathematics and Statistics Colloquium takes place on W= ednesday, 27th of September, at 3pm in MS2, Logic House, Maynooth Universit= y. See below for details. All are welcome. Cheers, Ian ___________________________________________________________________________ Speaker: Prof. Stephen Buckley, Maynooth University Title: Jacobson isopotency Abstract: Given a natural number k, let us say that a ring R satisfies the = Jacobson k identity if x^{k+1} =3D x for all x in R. Any such identity impl= ies that the ring is commutative; this rather well-known fact is proved as = an application of Jacobson=92s structure theory. We say that natural numbers m and n are isopotent if the Jacobson m- and n = identities are logically equivalent. This sets up an equivalence relation o= n N and we call the smallest element of each equivalence class the stem. Fo= r instance, each element of {2, 3, 4, 6, 7, 8, 14} is a stem, whereas no el= ement of {5, 9, 11, 13, 17, 19} is a stem. There are simple number theoreti= c conditions that determine whether n and m are isopotent and whether n is = a stem. However, we aim to demonstrate that isopotency classes and stems ar= e still worthy of further investigation. This talk is inspired by ring theory but is mainly number theoretic. We spo= ke on this topic in a colloquium here a year ago, but this is an updated re= port. ___________________________________________________________________________ title:: MU Maths-Stats Colloquium content:: Prof. Stephen Buckley :: Maynooth University :: presents a talk entitled "Jacobson isopotency" date-time:: 27th September 2023 at 3pm location:: Room MS2, Logic House, Maynooth University endevent:: --_000_AM6PR02MB51265A38B9E4236839DEA47C87FFAAM6PR02MB5126eurp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Dear colleagues,

This year's first MU Mathematics and Statisti= cs Colloquium takes place on Wednesday, 27th of September, at 3pm in MS2, L= ogic House, Maynooth University. See below for details. All are welcome.

Cheers,

Ian

_____________________________________________= ______________________________

Speaker: Prof. Stephen Buckley, Maynooth Univ= ersity

Title: Jacobson isopotency

Abstract: Given a natural number k, let us sa= y that a ring R satisfies the Jacobson k identity if x^{k+1} =3D x for all = x in R. Any such identity implies that the ring is commutative; this rather= well-known fact is proved as an application of Jacobson=92s structure theory.

We say that natural numbers m and n are isopo= tent if the Jacobson m- and n identities are logicall= y equivalent. This sets up an equivalence relation on N and we call the&nbs= p;smallest element of each equivalence class the stem. For instance, each element of {2, 3, 4, 6, 7, 8, 14} is a stem, whereas no element of {5, 9,= 11, 13, 17, 19} is a stem. There are simple n= umber theoretic conditions that determine whether n and m are isopotent and whether n is a stem= . However, we aim to demonstrate that isopotency classes and stems are still worthy of further investigation.

This talk is inspired by ring theory but is m= ainly number theoretic. We spoke on this topic in a c= olloquium here a year ago, but this is an updated report.

_____________________________________________= ______________________________

title:: MU Maths-Stats Colloquium

content:: Prof. Stephen Buckley

:: Maynooth University

:: presents a talk entitled "Jacobson is= opotency"

date-time:: 27th September 2023 at 3pm

location:: Room MS2, Logic House, Maynooth Un= iversity
endevent::

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boundary="_000_GV2PR02MB8652D415C0B62F4C7C75542BF1FCAGV2PR02MB8652eurp_" MIME-Version: 1.0 X-OriginatorOrg: tcd.ie X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: GV2PR02MB8652.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 68af2a74-edd7-4162-28bb-08dbbdbbe9c2 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Sep 2023 11:38:18.1075 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d595be8d-b306-45f4-8064-9e5b82fbe52b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: GZRGIU7PXQjNGM6nN5ejRVPBQE995cTjVtY0peJCJD7JSLsb5wR4fDW5eCFHEE9D X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9PR02MB6881 Message-ID: Date: Mon, 25 Sep 2023 11:38:18 +0000 Reply-To: Luke Corcoran Sender: UCD Maths Department Distribution List From: Luke Corcoran <00000ee260cb5ec9-dmarc-request LISTSERV.HEANET.IE> Subject: maths: Dublin Area Theoretical Physics Colloquium To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_GV2PR02MB8652D415C0B62F4C7C75542BF1FCAGV2PR02MB8652eurp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear all, This is an announcement for the next installment of the Dublin Area Theoret= ical Physics Colloquium 2023/24. Further information can be found on the we= bsite https://sites.google.com/tcd.ie/dtpc23-24/home Date & Time: Wednesday, 27th September 2023 at 4:00pm Venue: Salmon Lecture Theatre, Hamilton building, Trinity College Dublin Speaker: Rob Klabbers (HU Berlin) Title: The deformed Inosemtsev spin chain Abstract: The ubiquitous Heisenberg xxx spin chain admits many deformations= , for example the xxz and xyz spin chains, which have deformed spin interac= tions compared to xxx. The Inozemtsev spin chain is another deformation of = xxx: one can interpret it as a deformation of the potential controlling the= strength of interactions, causing it to have interactions between all pair= s of spins. Its deformation parameter controls the effective interaction di= stance, going from the nearest-neighbour xxx chain to the truly long-range = and integrable Haldane-Shastry spin chain. I will present the construction of a deformation of the Inozemtsev spin cha= in that interpolates between a Heisenberg xxz spin chain and the long-range= q-deformed Haldane-Shastry model, presenting an answer to a long-standing = question. This deformation is integrable by virtue of its connection via fr= eezing to a novel elliptic dynamical spin-Ruijsenaars model. I will discuss= its properties and show how it encompasses several interesting new models,= including a dynamical xxz chain, reachable by various limits. Based on recent work with Jules Lamers: https://arxiv.org/pdf/2306.13066.pd= f All are welcome! Best, Luke Corcoran & Patrick Fritzsch ------------------------------------------ title:: The deformed Inosemtsev spin chain content:: Rob Klabbers (Humboldt University Berlin) :: Dublin Area Theoretical Physics Colloquium (http://sites.google.com/tcd.= ie/dtpc23-24/home) location:: Salmon lecture theatre, Hamilton building (ground floor) date-time:: Wed 27 Sep 2023 at 4:00PM --_000_GV2PR02MB8652D415C0B62F4C7C75542BF1FCAGV2PR02MB8652eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Dear all,

This is an announcement for the next installment of the Dublin Area Theo= retical Physics Colloquium 2023/24. Further information can be found on the= website <= span style=3D"font-size:12pt;font-family:Calibri, Helvetica, sans-serif;mar= gin:0px">https://sites.google.com/tcd.ie/dtpc23-24/home

Date & Time: Wednesday, 27th September 2023 at 4:00pm

Venue: Salmon Lecture Theatre, Hamilton building, Trinity College Dublin<= /div>

Speaker: Rob Klabbers (HU Berlin)

Title: The deformed Inosemtsev spin chain

Abstract: The ubiquitous Heisenberg xxx spin chain admits many deformations, for example the xx= z and xyz spin chains, which have deformed spin interactions compared to xxx. The Inozemtsev spin chain is another deformation of xxx: one can in= terpret it as a deformation of the potential controlling the strength of interactions, causing it to have <= span style=3D"font-size:12pt;font-family:Calibri, Helvetica, sans-serif;mar= gin:0px" class=3D"ContentPasted0">interactions between all pairs of spins. = Its deformation parameter co= ntrols the effective interaction distance, going from the nearest-neighbour xxx chain to the truly long-range= and integrable Haldane-Shas= try spin chain.

I will present the construction of a deformation of the Inozemtsev spin = ;chain that = interpolates between a Heisenberg xxz spin chain and the long-range q-= deformed Haldane-Shastry model, presenting an answer to a long-standing question. This deformation is integrable by virtue of its connection via freezing to a novel elliptic = dynamical spin-Ruijsenaars m= odel. I will discuss its properties and show how it encompasses several interesting new models, including a = dynamical xxz chain, reachable by various limits.

Based on recent work with Jules La= mers: https://arxiv.org/pdf/2306.13066.pdf

All are welcome!

Best,

Luke Corcoran & Patrick Fritzsch

------------------------------------------
title:: The = deformed Inosemtsev spin chain=0A= content:: Rob Klabbers (Humboldt University Berlin)=0A= :: Dublin Area Theoretical Physics Colloquium (http://sites.google.com/tcd.ie/dtpc23-24= /home) =0A= location:: Salmon lecture theatre, Hamilton building (ground floor)=0A= date-time:: Wed 27 Sep 2023 at 4:00PM

--_000_GV2PR02MB8652D415C0B62F4C7C75542BF1FCAGV2PR02MB8652eurp_-- From owner-mathdep LISTSERV.HEANET.IE Mon Sep 25 20:53:47 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.0 Date: Mon, 25 Sep 2023 19:52:10 +0000 Reply-To: hahnma MATHS.TCD.IE Sender: UCD Maths Department Distribution List From: hahnma MATHS.TCD.IE Subject: TCD Dublin Mathematics Colloquium =?utf-8?Q?=E2=80=93_?=28 September To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: ----=_RainLoop_218_662374969.1695671530 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Dear all, It is our pleasure to invite you to this week=E2=80=99s Dublin Mathematic= s Colloquium (https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~d= mc/)) which takes places on Thursday 28 September, 4pm in the Synge lectu= re theatre. Our speaker is Lucien Hennecart (The University of Edinburgh)= , who will speak about: title: Cohomological integrality for 2-Calabi-Yau categories abstract: In this talk, I will explain how to define BPS invariants of a = large class of Abelian 2-Calabi-Yau (2CY) categories and their sheaf refi= nements (as perverse sheaves or mixed Hodge modules). Examples of relevan= ce in geometry and representation theory are sheaves on symplectic surfac= es, length-zero coherent sheaves on any surface, preprojective algebras o= f quivers, and fundamental groups of Riemann surfaces. These BPS invarian= ts give cohomological integrality for the categories considered, and thei= r categorification enjoys the richer structure of a Lie algebra, which ha= ppens to be a generalised Kac-Moody Lie algebra. This Lie algebra governs= the homology of the stack of objects in the 2CY category via a PBW-type = isomorphism. Best regards, Florian Naef and Marvin Anas Hahn title:: Dublin Mathematics Colloquium content:: Lucien Hennecart will speak on :: Cohomological integrality for 2-Calabi-Yau categories :: https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~dmc/) date-time:: Thursday, September 28 at 4:00pm location:: Synge Lecture Theatre, Hamilton Building, TCD ----=_RainLoop_218_662374969.1695671530 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
<= span style=3D"font-size:13px;">Dear all,

It is our pleasure to i= nvite you to this week=E2=80=99s Dublin Mathematics Colloquium (http= s://www.maths.tcd.ie/~dmc/) which takes places on Thursday 28= September, 4pm in the Synge lecture theatre. Our speaker= is Lucien Hennecart (The University of Edinburgh), who will speak= about:

title: Cohomological integrality for 2-Calabi-Ya= u categories
abstract: In this talk, I will explain how to define BP= S invariants of a large class of Abelian 2-Calabi-Yau (2CY) categories an= d their sheaf refinements (as perverse sheaves or mixed Hodge modules). E= xamples of relevance in geometry and representation theory are sheaves on= symplectic surfaces, length-zero coherent sheaves on any surface, prepro= jective algebras of quivers, and fundamental groups of Riemann surfaces. = These BPS invariants give cohomological integrality for the categories co= nsidered, and their categorification enjoys the richer structure of a Lie= algebra, which happens to be a generalised Kac-Moody Lie algebra. This L= ie algebra governs the homology of the stack of objects in the 2CY catego= ry via a PBW-type isomorphism.

Best regards,
Florian= Naef and Marvin Anas Hahn

title:= : Dublin Mathematics Colloquium
content:: Lucien Hennecart will speak = on
:: Cohomologica= l integrality for 2-Calabi-Yau categories
:: https://www.maths.tcd.ie/~dmc/
date-time:= : Thursday, September 28 at 4:00pm
location:: Synge Lecture Theatre, H= amilton Building, TCD
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boundary="_000_AM6PR02MB51260D166AE372EC919FB25487C3AAM6PR02MB5126eurp_" MIME-Version: 1.0 X-OriginatorOrg: mu.ie X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM6PR02MB5126.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 074f69bd-47e1-4144-2dff-08dbbe71e1b8 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Sep 2023 09:20:53.0175 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 1454f5cc-bb35-4685-bbd9-8621fd8055c9 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: pXxSI1erpgYC4sEGn3VM0PieuJPRX5Oc/8IkOPLY5Yq57B97338ie3ALjl1n/POPvYCBY3sD8PkKS4+GbWfoIg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAVPR02MB9554 Message-ID: Date: Tue, 26 Sep 2023 09:20:53 +0000 Reply-To: Ian Banfield Sender: UCD Maths Department Distribution List From: Ian Banfield Subject: maths: MU Maths-Stats Colloquium, Wednesday 27th September To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_AM6PR02MB51260D166AE372EC919FB25487C3AAM6PR02MB5126eurp_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Dear Colleagues, This is a reminder that this week's colloquium takes place tomorrow, Wednes= day 27th September, at 3pm in MS2. Details follow below. All are welcome. Cheers, Ian ___________________________________________________________________________ Speaker: Prof. Stephen Buckley, Maynooth University Title: Jacobson isopotency Abstract: Given a natural number k, let us say that a ring R satisfies the = Jacobson k identity if x^{k+1} =3D x for all x in R. Any such identity impl= ies that the ring is commutative; this rather well-known fact is proved as = an application of Jacobson=92s structure theory. We say that natural numbers m and n are isopotent if the Jacobson m- and n = identities are logically equivalent. This sets up an equivalence relation o= n N and we call the smallest element of each equivalence class the stem. Fo= r instance, each element of {2, 3, 4, 6, 7, 8, 14} is a stem, whereas no el= ement of {5, 9, 11, 13, 17, 19} is a stem. There are simple number theoreti= c conditions that determine whether n and m are isopotent and whether n is = a stem. However, we aim to demonstrate that isopotency classes and stems ar= e still worthy of further investigation. This talk is inspired by ring theory but is mainly number theoretic. We spo= ke on this topic in a colloquium here a year ago, but this is an updated re= port. --_000_AM6PR02MB51260D166AE372EC919FB25487C3AAM6PR02MB5126eurp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Dear Colleagues,

This is a reminder that this week's colloq= uium takes place tomorrow, Wednesday 27th September, at 3pm = in MS2. Details follow below. All are welcome.

Cheers,

Ian

___________________________________________= ________________________________

Speaker: Prof. Stephen Buckley, Maynooth Un= iversity

Title: Jacobson isopotency

Abstract: Given a natural number k, let us = say that a ring R satisfies the Jacobson k identity if x^{k+1} =3D x for al= l x in R. Any such identity implies that the ring is commutative; this rath= er well-known fact is proved as an application of Jacobson=92s structure theory.

We say that natural numbers m and n are iso= potent if the Jacobson m- and n identities are logica= lly equivalent. This sets up an equivalence relation on N and we call the&n= bsp;smallest element of each equivalence class the stem. For instance, each element of {2, 3, 4, 6, 7, 8, 14} is a stem, whereas no element of {= 5, 9, 11, 13, 17, 19} is a stem. There are sim= ple number theoretic conditions that determine whether n and m are isopotent and whether n i= s a stem. However, we aim to demonstrate that isopotency classes and <= /span>stems are still worthy of further investigation.

This talk is inspired by ring theory but is= mainly number theoretic. We spoke on this topic in a= colloquium here a year ago, but this is an updated report.

--_000_AM6PR02MB51260D166AE372EC919FB25487C3AAM6PR02MB5126eurp_-- From owner-mathdep LISTSERV.HEANET.IE Wed Sep 27 14:21:21 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE autolearn=unavailable autolearn_force=no version=3.4.0 Date: Wed, 27 Sep 2023 14:17:19 +0100 Reply-To: Seminars Maths NUIG Sender: UCD Maths Department Distribution List From: Seminars Maths NUIG Subject: Maths: Seminar Uni Galway, Michael Tuite - New Applications of Bers Quasiforms on Riemann Surfaces To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --000000000000ea73a50606570e7c Content-Type: text/plain; charset="UTF-8" Prof. Michael Tuite (*University of Galway*) Thursday September 28th, 15:00-16:00 Lecture held in ADB1020 Abstract: Bers quasiforms were introduced in the 1960s in order to construct potential functions for holomorphic differential forms on a Riemann surface of genus $g>1$. I will discuss some background ideas and two novel applications concerning general meromorphic forms: (I) the expansion of any such general form in terms of Bers quasiforms and (II) a canonical differential operator which acts on the space of such forms. The talk is aimed at a general audience with familiarity of standard complex analysis. The talk is based on joint work with Michael Welby. *Comments: *Coffee/tea/cakes/biscuits will be served in ADBG022 from 2:30pm --000000000000ea73a50606570e7c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Prof. Michael Tuite (University of Galway)
Thursday September 28th, 15:00-16:00=C2=A0
Lecture hel= d in ADB1020

Abstract:

Bers quasiforms were introduced in the 1960s in order to construct poten= tial functions for holomorphic differential forms on a Riemann surface of genus $g>1$. I will discuss some background ideas and two novel applications concerning general meromorphic forms:

(I) the expansion of any such general form in terms of Bers quasiforms a= nd

(II) a canonical differential operator which acts on the space of such forms.

The talk is aimed at a general audience with familiarity of standard com= plex analysis. The talk is based on joint work with Michael Welby.<= /p>
Comments: Coffee/tea/cakes/biscuits will be served in ADBG022 fro= m 2:30pm
--000000000000ea73a50606570e7c-- From owner-mathdep LISTSERV.HEANET.IE Wed Sep 27 16:47:48 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.0 Date: Wed, 27 Sep 2023 16:47:20 +0100 Reply-To: "Neil O'Connell" Sender: UCD Maths Department Distribution List From: "Neil O'Connell" Subject: maths: Lecturer/Assistant Professor in Mathematics, UCD School of Mathematics and Statistics To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --Apple-Mail=_AE1F82EB-892A-4C1C-BA8E-242F1FCA32BE Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Lecturer/Assistant Professor in Mathematics, UCD School of Mathematics = and Statistics, Permanent Applications are invited for a permanent post of a Lecturer/Assistant = Professor in Mathematics within UCD School of Mathematics and Statistics The School of Mathematics and Statistics at University College Dublin is = seeking to appoint a permanent Lecturer/Assistant Professor in = Mathematics whose research is in the general area of Probability. This new post supports UCD=E2=80=99s strategic themes, in particular = Transforming through Digital Technology. The UCD College of Science, to = which the School of Mathematics and Statistics belongs, is undergoing an = exciting transformation under the guiding principle of `data in science, = science in data=E2=80=99. About the UCD School of Mathematics and Statistics=20 The UCD School of Mathematics and Statistics is the largest of its kind = in Ireland and has over 60 academic staff from all areas of mathematics = and statistics. Research activities in the School are supported by a = variety of sources including the =E2=82=AC22M Science Foundation Ireland = (SFI) Centre for Research Training in the Foundations of Data Science = (www.data-science.ie) which currently has over 40 PhD students in UCD, = the Irish Research Council (IRC) and through European Union funding, = e.g., the European Research Council (ERC) and Doctoral Training Network = schemes. Individual fellowships held by members of the School over the = last five years include two ERC Advanced Grants and two Royal = Society/SFI University Research Fellowships as well as SFI-IRC Research = Council Pathway Fellowships and Marie Sk=C5=82odowska-Curie Action = Postdoctoral Fellowships. The School has strong research links with a broad variety of industry = and enterprise partners.=20 95 Lecturer/Assistant Professor (above the bar) Salary Scale: =E2=82=AC59,= 370 - =E2=82=AC94,015 per annum Appointment will be made on scale and in accordance with the Department = of Finance guidelines=20 Closing date: 17:00hrs (local Irish time) on 13th November 2023. Applications must be submitted by the closing date and time specified. = Any applications which are still in progress at the closing time of = 17:00hrs (Local Irish Time) on the specified closing date will be = cancelled automatically by the system. UCD are unable to accept late = applications. UCD do not require assistance from Recruitment Agencies. Any CV's = submitted by Recruitment Agencies will be returned. Prior to application, further information (including application = procedure) should be obtained from the Work at UCD website: = https://www.ucd.ie/workatucd/jobs/= --Apple-Mail=_AE1F82EB-892A-4C1C-BA8E-242F1FCA32BE Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
Lecturer/Assistant = Professor in Mathematics, UCD School of Mathematics and Statistics, = Permanent
Applications are = invited for a permanent post of a Lecturer/Assistant Professor in = Mathematics within UCD School of Mathematics and = Statistics
The School of = Mathematics and Statistics at University College Dublin is seeking to = appoint a permanent Lecturer/Assistant Professor in Mathematics whose = research is in the general area of Probability.
This new post supports UCD=E2=80=99s strategic = themes, in particular Transforming through Digital Technology. The UCD = College of Science, to which the School of Mathematics and Statistics = belongs, is undergoing an exciting transformation under the guiding = principle of `data in science, science in data=E2=80=99.
About the UCD School of Mathematics and = Statistics
The UCD School of = Mathematics and Statistics is the largest of its kind in Ireland and has = over 60 academic staff from all areas of mathematics and statistics. = Research activities in the School are supported by a variety of sources = including the =E2=82=AC22M Science Foundation Ireland (SFI) Centre for = Research Training in the Foundations of Data Science = (www.data-science.ie) which currently has over 40 PhD students in UCD, = the Irish Research Council (IRC) and through European Union funding, = e.g., the European Research Council (ERC) and Doctoral Training Network = schemes. Individual fellowships held by members of the School over the = last five years include two ERC Advanced Grants and two Royal = Society/SFI University Research Fellowships as well as SFI-IRC Research = Council Pathway Fellowships and Marie Sk=C5=82odowska-Curie Action = Postdoctoral Fellowships.
The School = has strong research links with a broad variety of industry and = enterprise partners.
95 = Lecturer/Assistant Professor (above the bar) Salary Scale: =E2=82=AC59= ,370 - =E2=82=AC94,015 per annum
Appointment = will be made on scale and in accordance with the Department of Finance = guidelines
Closing date: = 17:00hrs (local Irish time) on 13th November 2023.
Applications must be submitted by the closing date = and time specified. Any applications which are still in progress at the = closing time of 17:00hrs (Local Irish Time) on the specified closing = date will be cancelled automatically by the system. UCD are unable to = accept late applications.
UCD do not = require assistance from Recruitment Agencies. Any CV's submitted by = Recruitment Agencies will be returned.
Prior to = application, further information (including application procedure) = should be obtained from the Work at UCD website: = https://www.ucd.ie/workatucd/jobs/
= --Apple-Mail=_AE1F82EB-892A-4C1C-BA8E-242F1FCA32BE-- From owner-mathdep LISTSERV.HEANET.IE Thu Sep 28 19:14:18 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.0 Date: Thu, 28 Sep 2023 19:13:23 +0100 Reply-To: Hermann Render Sender: UCD Maths Department Distribution List From: Hermann Render Subject: maths: Colloquium Series of the UCD School of Mathematics and Statistics To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --00000000000008bf4e06066f448d Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable *UCD School of Mathematics and Statistics Colloquium Series * Dear All The School of Mathematics and Statistics cordially invites you to the following talk in our COLLOQUIUM SERIES *SPEAKER: *Professor Ilse Fischer (University of Vienna, Austria) *TITLE: *Alternating Sign Arrays and Littlewood-type identities *TIME*: Thursday 12th October 2023 , 14.00=E2=80=9414.50 *LOCATION*: Science East, Room 0.32 (next to Restaurant Pi) *COFFEE MEETING *: From 15.00=E2=80=9416.00, Zone 9 Atrium (top floor atrium of Science East, at the spiral stairs) Abstract: Alternating Sign Matrices have been introduced in the 1980s. They are notorious for being difficult to enumerate, which is also reflected by the fact that the first proof of their counting formula was given in an 84 pages paper more than a decade after it was conjectured. Moreover, there are two classes of plane partitions that are equinumerous with alternating sign matrices, but it is a mystery that there is no satisfying explanation for these results so far, for instance in the form of transparent bijections. I will start with an account of the history and then talk about recent developments including the discovery of alternating sign triangles that are also equinumerous with alternating sign matrices. We will see that in the algebraic proof of such results a Littlewood-type identity plays an important role, which is exciting since the classical Littlewood identity has a bijective proof that is based on the famous Robinson-Schensted-Knuth (RSK) correspondence, which I will discuss as well. Dr Hermann Render University College Dublin School of Mathematics and Statistics Dublin, Ireland --00000000000008bf4e06066f448d 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

Dear All=C2=A0

=C2=A0

The School of Mathematics and Statistics cordially invites you to the following talk

in our=C2=A0COLLOQUIUM=C2= =A0=C2=A0SERIES=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0

=C2=A0

SPEAKER:=C2=A0 =C2=A0Professor Ilse Fischer =C2=A0(University of Vien= na, Austria)

=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

TITLE:=C2=A0 =C2=A0Alternating Si= gn Arrays and Littlewood-type identities=C2=A0

=C2=A0<= /p>
TIME: Thursday 12^th= October=C2=A0 2023 ,=C2=A0 14.00=E2=80=9414.50 =C2=A0

=C2=A0

LOCATION:=C2=A0=C2=A0=C2= =A0Science East, Room 0.32 (next to Restaurant Pi)

=C2=A0

=C2=A0

COFFEE MEETING=C2=A0:=C2= =A0=C2=A0=C2=A0=C2=A0From 15.00=E2=80=9416.00,=C2=A0 Zone 9 Atrium =C2=A0(top floor=C2=A0atrium=C2=A0of Science East, at the spiral=C2=A0stairs)
=C2=A0

Abstract:=C2=A0 Alternating Sign Matrices have been introduced in the 1980s. They are notorious for being difficult to enumerate, which is al= so reflected by the fact that the first proof of their counting formula was gi= ven in an 84 pages paper more than a decade after it was conjectured. Moreover, there are two classes of plane partitions that are equinumerous with alternating sign matrices, but it is a mystery that there is no satisfying explanation for these results so far, for instance in the form of transpare= nt bijections.

I will start with an account of the history and then = talk about recent developments including the discovery of alternating sign triangles that are also equinumerous with alternating sign matrices.

We will see that in the algebraic proof of such resul= ts a Littlewood-type identity plays an important role, which is exciting since t= he classical Littlewood identity has a bijective proof that is based on the fa= mous Robinson-Schensted-Knuth (RSK) correspondence, which I will discuss as well.=C2=A0
=C2=A0

<= div>
Dr Hermann Render
University College Dublin=C2=A0<= br>
School of Mathematics and Statistics
Dublin, Ireland

--00000000000008bf4e06066f448d-- From owner-mathdep LISTSERV.HEANET.IE Thu Sep 28 19:20:09 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: * X-Spam-Status: No, score=1.4 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,HTML_OBFUSCATE_10_20,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.0 Date: Thu, 28 Sep 2023 19:19:53 +0100 Reply-To: Hermann Render Sender: UCD Maths Department Distribution List From: Hermann Render Subject: maths: UCD Colloquium Series To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --0000000000004fd67006066f5b25 Content-Type: text/plain; charset="UTF-8" noemail:: title:: UCD COLLOQUIUM SERIES content:: Professor ILSE FISCHER (University Vienna, Austria) will speak on :: Alternating Sign Arrays and Littlewood-type Identities date-time:: Thursday 12th October, 2023 at 14.00 location:: UCD Science East, Room 0.32 endevent:: -- Dr Hermann Render University College Dublin School of Mathematics and Statistics Dublin, Ireland --0000000000004fd67006066f5b25 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
noemail::
title::=C2=A0UCD=C2=A0COLLOQUIUM= =C2=A0SERIES
content:: Professor=C2=A0=C2=A0ILSE= FISCHER=C2=A0 =C2=A0=C2=A0(University Vienna, Austria) will speak on
::=C2=A0=C2=A0=C2=A0=C2=A0Alternating Sign Arrays and Littlewood-type Identities
date-time:: Thursday 12th Octob= er, 2023=C2=A0 at 14.00=C2=A0
location::=C2=A0UC= D=C2=A0=C2=A0Science East, Room 0.32=C2=A0
endevent::

--
=
Dr Hermann Ren= der
University College Dublin=C2=A0
School of Mathematics and S= tatistics
Dublin, Ireland

<= /div>
--0000000000004fd67006066f5b25-- From owner-mathdep LISTSERV.HEANET.IE Fri Sep 29 06:22:27 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.0 Date: Fri, 29 Sep 2023 06:21:00 +0100 Reply-To: Kazim Buyukboduk Sender: UCD Maths Department Distribution List From: Kazim Buyukboduk Subject: maths: Algebra and Number Theory seminar, Thu 5th Oct 2023 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --00000000000024490006067898d8 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable UCD School of Mathematics and Statistics - Seminar Notice *Speaker:* Shu Sasaki (London) *Title:* A perspective on the Langlands program *Date:* Thu 5th Oct 2023 *Time:* 2:00PM *Location:* Science East, Room 0.32 ("next to =CF=80") *Abstract:* Fermat's Last Theorem was proved almost thirty years ago by A. Wiles. The proof taps into a web of conjectures and questions, often referred to as the Langlands program, that makes connections between a few different areas of mathematics (number theory, geometry, analysis etc.); and it has since instigated a great deal of new mathematics beyond the confines of the subject area. In this talk (which is aimed at a general audience!), I would like to explain what some of the number theorists in the Langlands program are currently interested in and where they might be heading to, through a few concrete examples. *Further information:* https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html ------------------------------------------------------------- For other seminars in the Algebra and Number Theory series, see http://maths.ucd.ie/seminarseries/Algebra ------------------------------------------------------------- The following formats the above notice so as to be included in the mathdep google calendar title:: A perspective on the Langlands program content:: Shu Sasaki (London) :: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Algebra) location:: Science East, Room 0.32 ("next to =CF=80") date-time:: Thu 5th Oct 2023 at 2:00PM --00000000000024490006067898d8 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
=
<= pre style=3D"color:rgb(51,51,51)">UCD School of Mathematics and Statistics = - Seminar Notice =20 Speaker: Shu Sasaki (London) =20 Title: A perspective on the Langlands program =20 Date: Thu 5th Oct 2023=20 =20 Time: 2:00PM=20 =20 Location: Science East, Room 0.32 ("next to =CF=80") Abstract: Fermat's Last Theorem was proved almost thirty years a= go by A. Wiles. The proof taps into a web of conjectures and questions, oft= en referred to as the Langlands program, that makes connections between a f= ew different areas of mathematics (number theory, geometry, analysis etc.);= and it has since instigated a great deal of new mathematics beyond the con= fines of the subject area. In this talk (which is aimed at a general audien= ce!), I would like to explain what some of the number theorists in the Lang= lands program are currently interested in and where they might be heading t= o, through a few concrete examples.

Further information: <= a href=3D"https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html" target=3D"_bl= ank">https://maths.ucd.ie/~kazim_b/UCD_ANT_Seminar.html=20 ------------------------------------------------------------- For other seminars in the Algebra and Number Theory series, see http://maths.u= cd.ie/seminarseries/Algebra ------------------------------------------------------------- The following formats the above notice so as to be included in the mathdep = google calendar title:: A perspective on the Langlands program content:: Shu Sasaki (London) :: UCD Algebra and Number Theory seminar (http://maths.ucd.ie/seminarseries/Al= gebra)=20 location:: Science East, Room 0.32 ("next to =CF=80") date-time:: Thu 5th Oct 2023 at 2:00PM
<= /div>
--00000000000024490006067898d8-- From owner-mathdep LISTSERV.HEANET.IE Fri Sep 29 10:44:22 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.0 msip_labels: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: AM6PR02MB5126:EE_|GV1PR02MB8331:EE_ x-ms-office365-filtering-correlation-id: b4201cb4-4b5b-4517-e52b-08dbc0d092bb x-ld-processed: 1454f5cc-bb35-4685-bbd9-8621fd8055c9,ExtAddr x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: qa/tX0UKqe0tkG8U8phLrmm5aDZUzgDwv6pxu0xl8wRIbJshxmXq7La+5spDcX6Run4r+urFUCoqRjySCVjRyq335lvFPf48SZE3PyyH9u3u34h7IQL2v0rAWOpEs4Z2CTrT1jHwz9gStjy1DzA7uuejNwQhdXDJggdVEiW5WiexbJOwjZYk4AHcfQVM4g7NGw3O7EDMgcb2uB5zT52MgAdXnT8BCTREqTOpcb0BM9NJlKmK2YLRXFtMvXemzDtOd9iMoKl/egGvixz4G7GytyPXt4722H4NZreVVadxKBtoS8xS7xeq4tH1PXds+cKHqTj+JwUqRI3Un0VkA/3ytsWOPDGlRI3clYh4iQCAYQvNsED+dUor7qxUmiq3mLxZ35UhIwFBdKeuTHEGpLLGLYvxCHHk/HUoaFCx3HBucm/t9pmKIjIAmjc5+K0NxN81CRPNswgd5FGgtsAVA9/tSeRr4Km/Od/w1UwH940zxvxmrXcK9cC80ys9yZLpVu2rhYIjJcE3r/tnhqJR0ovB9bVzdUYCqtS618yuIDiFqT/2tQspVmMQJoC1p1IJWxv8bHi0V+9yaVCG6boOKyA/S1xGI3BQRlmqkmRygsJxXCFkiBEYqNgAF6EKUP33PSDx x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM6PR02MB5126.eurprd02.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(136003)(366004)(396003)(39860400002)(346002)(376002)(230922051799003)(1800799009)(186009)(64100799003)(451199024)(55016003)(6506007)(2906002)(66899024)(66946007)(122000001)(83380400001)(38100700002)(38070700005)(71200400001)(64756008)(91956017)(478600001)(76116006)(9686003)(66476007)(26005)(5660300002)(66556008)(6916009)(8936002)(786003)(8676002)(7696005)(52536014)(316002)(66446008)(41300700001)(86362001)(33656002)(19627405001);DIR:OUT;SFP:1101; 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boundary="_000_AM6PR02MB5126B54A684712E3A156216787C0AAM6PR02MB5126eurp_" MIME-Version: 1.0 X-OriginatorOrg: mu.ie X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM6PR02MB5126.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: b4201cb4-4b5b-4517-e52b-08dbc0d092bb X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Sep 2023 09:43:45.0420 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 1454f5cc-bb35-4685-bbd9-8621fd8055c9 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 6qTJ26u/fZ5Ax5sY3Xs6emb+21hcJMdBCdUGtQZKBhXpziYozUUBcQx5ul+0Kgwy+RiRf0t6XdppN286AVOw2A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR02MB8331 Message-ID: Date: Fri, 29 Sep 2023 09:43:45 +0000 Reply-To: Ian Banfield Sender: UCD Maths Department Distribution List From: Ian Banfield Subject: maths: MU Maths-Stats Colloquium, Wednesday 4th October To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_AM6PR02MB5126B54A684712E3A156216787C0AAM6PR02MB5126eurp_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Dear colleagues, Next week's MU Mathematics and Statistics Colloquium takes place as usual o= n Wednesday 4th October at 3pm in MS2, Logic House, Maynooth University. Se= e below for details. All are welcome. Cheers, Ian ___________________________________________________________________________ Speaker: Gabriel Palma, Maynooth University Title: The complexity and practical importance of insect outbreaks have mad= e the problem of predicting outbreaks a focus of recent research. We propos= e the Pattern-Based Prediction (PBP) method for predicting population outbr= eaks. It uses information on previous time series values that precede an ou= tbreak event as predictors of future outbreaks, which can be helpful when m= onitoring pest species. We illustrate the methodology using simulated datas= ets and an aphid time series obtained in wheat crops in Southern Brazil. We= obtained an average test accuracy of 84.6% in the simulation studies imple= mented with stochastic models and 95.0% for predicting outbreaks using a ti= me series of aphids in wheat crops in Southern Brazil. Our results show the= PBP method=92s feasibility in predicting population outbreaks. We benchmar= ked our results against established state-of-the-art machine learning metho= ds: Support Vector Machines, Deep Neural Networks, Long Short Term Memory a= nd Random Forests. The PBP method yielded a competitive performance associa= ted with higher true-positive rates in most comparisons while providing int= erpretability rather than being a black-box method. It is an improvement ov= er current state-of-the-art machine learning tools, especially by non-speci= alists, such as ecologists aiming to use a quantitative approach for pest m= onitoring. We provide the implemented PBP method in Python through the pypb= p package. ___________________________________________________________________________ title:: MU Maths-Stats Colloquium content:: Gabriel Palma :: Maynooth University :: presents a talk entitled "Pattern-based prediction of population outbrea= ks." date-time:: 4th October 2023 at 3pm location:: Room MS2, Logic House, Maynooth University endevent:: --_000_AM6PR02MB5126B54A684712E3A156216787C0AAM6PR02MB5126eurp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Dear colleagues,

Next week's MU Mathematics and Statistics Col= loquium takes place as usual on Wednesday 4th October at 3pm in MS2, Logic = House, Maynooth University. See below for details. All are welcome.

Cheers,

Ian

_____________________________________________= ______________________________

Speaker: Gabriel Palma, Maynooth University

Title: The complexity and practical importanc= e of insect outbreaks have made the problem of predicting outbreaks a focus= of recent research. We propose the Pattern-Based Prediction (PBP) method f= or predicting population outbreaks. It uses information on previous time series values that precede an outbrea= k event as predictors of future outbreaks, which can be helpful when monito= ring pest species. We illustrate the methodology using simulated datasets a= nd an aphid time series obtained in wheat crops in Southern Brazil. We obtained an average test accuracy of= 84.6% in the simulation studies implemented with stochastic models and 95.= 0% for predicting outbreaks using a time series of aphids in wheat crops in= Southern Brazil. Our results show the PBP method=92s feasibility in predicting population outbreaks. We benc= hmarked our results against established state-of-the-art machine learning m= ethods: Support Vector Machines, Deep Neural Networks, Long Short Term Memo= ry and Random Forests. The PBP method yielded a competitive performance associated with higher true-positive rat= es in most comparisons while providing interpretability rather than being a= black-box method. It is an improvement over current state-of-the-art machi= ne learning tools, especially by non-specialists, such as ecologists aiming to use a quantitative approach = for pest monitoring. We provide the implemented PBP method in Python throug= h the pypbp package.

_____________________________________________= ______________________________

title:: MU Maths-Stats Colloquium

content:: Gabriel Palma

:: Maynooth University

:: presents a talk entitled "Pattern-bas= ed prediction of population outbreaks."

date-time:: 4th October 2023 at 3pm

location:: Room MS2, Logic House, Maynooth Un= iversity
endevent::

--_000_AM6PR02MB5126B54A684712E3A156216787C0AAM6PR02MB5126eurp_-- From owner-mathdep LISTSERV.HEANET.IE Fri Sep 29 11:30:46 2023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HTML_IMAGE_ONLY_32,HTML_MESSAGE,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.0 Date: Fri, 29 Sep 2023 11:29:56 +0100 Reply-To: =?UTF-8?Q?Padraig_=C3=93_Cath=C3=A1in?= Sender: UCD Maths Department Distribution List From: =?UTF-8?Q?Padraig_=C3=93_Cath=C3=A1in?= Subject: maths: Edwin O'Shea To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --00000000000094218606067ce877 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear Colleagues, I regret to inform you that Edwin O'Shea died recently. He was an undergraduate at UCC, a postdoc in Galway and in recent years a lecturer at James Madison University in Virginia. His family would appreciate stories, memories or photos, to be shared at his funeral, sent to the address below. =E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2= =80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94 Weloveyouedwin gmail.com Please send stories and photos to this email to create a slideshow for Edwin=E2=80=99s funeral reception and a book we will print with stories and= photos for our family. Thank you=F0=9F=92=9C =E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2= =80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94- Ar dheis D=C3=A9 go raibh s=C3=A9. Sincerely, Padraig =C3=93 Cath=C3=A1in. --=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= =20 by the addressee. Read more here.=20 * * --=20 =20 =20 =20 =C2=A0 --00000000000094218606067ce877 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear Colleagues,=C2=A0

I regret to info= rm you that Edwin O'Shea died recently. He was an undergraduate at UCC,= a postdoc in Galway and in recent years a lecturer at James Madison Univer= sity in Virginia. His family would appreciate stories, memories or photos, = to be shared at his funeral, sent to the address below.=C2=A0
=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94= =E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94
Weloveyouedwin gmail.com
Please send stories and photos to this email to create a slideshow fo= r Edwin=E2=80=99s funeral reception and a book we will print with stories a= nd photos for our family. Thank you=F0=9F=92=9C
=E2=80=94=E2=80=94=E2=80= =94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94= =E2=80=94=E2=80=94=E2=80=94-

Ar dheis D=C3=A9 = go raibh s=C3=A9.=C2=A0

Sincerely,=C2=A0
Padraig =C3=93 Cath=C3=A1in.

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.<= /span>

=

<= a href=3D"https://www.youtube.com/user/DublinCityUniversity" target=3D"_bla= nk">=C2=A0
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x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?Windows-1252?Q?qy/pGnUH6OYDXN2xLbKs/w6nbzvKAaiNbimBiXnPNpk2CXuBGvEGxrPy?= =?Windows-1252?Q?MmDinoHB1IXBqg5skCAqDXj6y/Lge1hv2X95YkrdRdyvzbPChirFL9uk?= =?Windows-1252?Q?78eKKLchqwNLpr7Dk2aOEc8QRxRAgJUzV6yyMP2FcdikH3bTGGrAKDoY?= =?Windows-1252?Q?e5flg2pqKJQT2SRcZcOy+SNmNzRezeH7EtJnYUsU9h5vjeaqos0/Uw1J?= =?Windows-1252?Q?qxrR1N+9Bh3+MQTD95CIK5Fo5RDLi6hVbCVNu7YRBNiaS3dGk6UrkMIj?= =?Windows-1252?Q?SHjgNwyMdWj/4xal23yjX6q1m9EcPco8SkDffJTwcdtjrkyRPEKbB6bg?= =?Windows-1252?Q?y1icBaeGQMBusmN33f6Z6kZzH0oelsq7y1NFApujAgBI36gQJll+im2x?= =?Windows-1252?Q?DZj16YlwVfO86EOPeaGoHYrAMX6JBxHQkn2FOlyXc4nJsPvxrf47SOIQ?= =?Windows-1252?Q?U7dRlaJXLf1naQcx6ab4HgMRouvBrv4P7I3jQ5Il+QHXXEXBl9o+/hxC?= =?Windows-1252?Q?tFTIYmonwcAcNyr+iXgMUebPcjYibRM+6XNtsCA9wy/hoCwwB8B3Ivd1?= =?Windows-1252?Q?KZzDmkNxBXEq9ixnsM37/MTIjlmeS2Lm12z/GmVSYrBH+P8wJE4K/4gC?= =?Windows-1252?Q?p9xWWko5qDWpfU6OLVrigmd/ORwJ9Ash8uBZBE5s7UkG76CmyyT2TRd2?= =?Windows-1252?Q?GS7rJ2LqxaQaHacVkNj3LE/G23C8qaaGk4h1PDzfw+wf9u6GGLxF2g8Q?= =?Windows-1252?Q?zAv+qd8Z/GK7FF1+FS9Goqo6cW+0F6XgSGotpSNFww1JdcYv11P1+QP2?= =?Windows-1252?Q?bq+Ddyx2vfpwn4bc3iHto4FvYE7D9wt/JFrp3fXwgpEeY9e1edQ/1+Ul?= =?Windows-1252?Q?1PoEb0F/pWzUGpDZ7nrWJC8+GBqxDQ9uaUE7q6ranxAx5k6/rldXkgCU?= =?Windows-1252?Q?o+zScWaiK0udFJikYW4gHlFvYx/+nlCImrqfG1x18YvryOhXDJWoYeZG?= =?Windows-1252?Q?CfOg9Wa2NtYhBwiZriMBqh5w1rcI1557ssEjmNIcsAA+Ci+7YxsbxtF/?= =?Windows-1252?Q?OED0IJ4AnNoSQeKsTBjoRjO9Kz89GveZmln6lyiyFyGHuY49x//JWrAr?= =?Windows-1252?Q?e4wnPOJaOT17TrZkmtreYB3K2yef8ivEPL/XSSXS0w0uji6i5GnH+7V+?= =?Windows-1252?Q?YVt183KgPLqy0qVrCWHUNVVWCRhQxTS75NxVg8cUa9gGD5bAOOK5a4dw?= =?Windows-1252?Q?jLBl/ggo+93+fV4QdPjxYZ2KtiwTp5+83xCHQwxKEsemlnANe9mXuTYI?= =?Windows-1252?Q?xROo1l2/cbOnrnCJGGnr1WKZHqf2yceG6YeXfTRxYqV+hzolk2dEDEY9?= =?Windows-1252?Q?2dQSiUQrL/RTY87RBcz0i0EQX1t3m//LOAeCInYpxuGPZoN/tUrW5xfh?= =?Windows-1252?Q?2kJ4Av+nts9My00l1JehzP+lSXRowpHzpEhK6NpNY0R+0G2pdNPRfzf2?= =?Windows-1252?Q?Io3yfbZDJWSAW0kR3yCLCEVQzo98HNZHfrgFtVOVux4X3+1YCiNTXZl7?= =?Windows-1252?Q?UUMKhP6YxsGks72a+vqFVqRqY6NTo00R01gf5mUIp4RTW1fVvPPEaaUD?= =?Windows-1252?Q?dguxuySDKasNaMS+dNfW83cupEsBNLntx7PAZZjPkAUr3ocqv2BboWtG?= =?Windows-1252?Q?zBeFcvI1Lwg=3D?= Content-Type: multipart/alternative; boundary="_000_AM6PR02MB512674B9CA878638A5FF550087C0AAM6PR02MB5126eurp_" MIME-Version: 1.0 X-OriginatorOrg: mu.ie X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM6PR02MB5126.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 38cfde2d-0b8d-4607-d36d-08dbc0f6b62c X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Sep 2023 14:16:45.3897 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 1454f5cc-bb35-4685-bbd9-8621fd8055c9 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 3HW7WW8VbuZQ5/cBYzRQn3c892T7A9Uydl3Z4xt+hed4VoG0tCBR+xl8KxtDg98lR92GVFXxxbSa0BdO6DRFBQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA4PR02MB6543 Message-ID: Date: Fri, 29 Sep 2023 14:16:45 +0000 Reply-To: Ian Banfield Sender: UCD Maths Department Distribution List From: Ian Banfield Subject: maths: MU Maths-Stats Colloquium, Wednesday 4th October [Correction] To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_AM6PR02MB512674B9CA878638A5FF550087C0AAM6PR02MB5126eurp_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Dear colleagues, The title of next week's colloquium has been inadvertently omitted from the= previous announcement. Please see below for the corrected information. Next week's MU Mathematics and Statistics Colloquium takes place as usual o= n Wednesday 4th October at 3pm in MS2, Logic House, Maynooth University. Al= l are welcome. Cheers, Ian ___________________________________________________________________________ Speaker: Gabriel Palma, Maynooth University Title: Pattern-based prediction of population outbreaks Abstract: The complexity and practical importance of insect outbreaks have = made the problem of predicting outbreaks a focus of recent research. We pro= pose the Pattern-Based Prediction (PBP) method for predicting population ou= tbreaks. It uses information on previous time series values that precede an= outbreak event as predictors of future outbreaks, which can be helpful whe= n monitoring pest species. We illustrate the methodology using simulated da= tasets and an aphid time series obtained in wheat crops in Southern Brazil.= We obtained an average test accuracy of 84.6% in the simulation studies im= plemented with stochastic models and 95.0% for predicting outbreaks using a= time series of aphids in wheat crops in Southern Brazil. Our results show = the PBP method=92s feasibility in predicting population outbreaks. We bench= marked our results against established state-of-the-art machine learning me= thods: Support Vector Machines, Deep Neural Networks, Long Short Term Memor= y and Random Forests. The PBP method yielded a competitive performance asso= ciated with higher true-positive rates in most comparisons while providing = interpretability rather than being a black-box method. It is an improvement= over current state-of-the-art machine learning tools, especially by non-sp= ecialists, such as ecologists aiming to use a quantitative approach for pes= t monitoring. We provide the implemented PBP method in Python through the p= ypbp package. ___________________________________________________________________________ title:: MU Maths-Stats Colloquium content:: Gabriel Palma :: Maynooth University :: presents a talk entitled "Pattern-based prediction of population outbrea= ks." date-time:: 4th October 2023 at 3pm location:: Room MS2, Logic House, Maynooth University endevent:: --_000_AM6PR02MB512674B9CA878638A5FF550087C0AAM6PR02MB5126eurp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Dear colleagues,

The title of next week's colloquium has been inadvertently omitted fro= m the previous announcement. Please see below for the corrected information= .

Next week's MU Mathematics and Statistics Colloquium = takes place as usual on Wednesday 4th October at 3pm in MS2, Logic House, M= aynooth University. All are welcome.

Cheers,

Ian

_____________________________________________= ______________________________

Speaker: Gabriel Palma, Maynooth University

Title: Pattern-based prediction of population= outbreaks

Abstract: The complexity and practical import= ance of insect outbreaks have made the problem of predicting outbreaks a fo= cus of recent research. We propose the Pattern-Based Prediction (PBP) metho= d for predicting population outbreaks. It uses information on previous time series values that precede an outbrea= k event as predictors of future outbreaks, which can be helpful when monito= ring pest species. We illustrate the methodology using simulated datasets a= nd an aphid time series obtained in wheat crops in Southern Brazil. We obtained an average test accuracy of= 84.6% in the simulation studies implemented with stochastic models and 95.= 0% for predicting outbreaks using a time series of aphids in wheat crops in= Southern Brazil. Our results show the PBP method=92s feasibility in predicting population outbreaks. We benc= hmarked our results against established state-of-the-art machine learning m= ethods: Support Vector Machines, Deep Neural Networks, Long Short Term Memo= ry and Random Forests. The PBP method yielded a competitive performance associated with higher true-positive rat= es in most comparisons while providing interpretability rather than being a= black-box method. It is an improvement over current state-of-the-art machi= ne learning tools, especially by non-specialists, such as ecologists aiming to use a quantitative approach = for pest monitoring. We provide the implemented PBP method in Python throug= h the pypbp package.

_____________________________________________= ______________________________

title:: MU Maths-Stats Colloquium

content:: Gabriel Palma

:: Maynooth University

:: presents a talk entitled "Pattern-bas= ed prediction of population outbreaks."

date-time:: 4th October 2023 at 3pm

location:: Room MS2, Logic House, Maynooth Un= iversity

endevent::

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autolearn=unavailable autolearn_force=no version=3.4.0 References: <7CEDCA93-FCB2-419B-8B20-2811218BBD81 mu.ie> User-Agent: SquirrelMail/1.4.23 [SVN] MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Message-ID: Date: Sun, 1 Sep 2024 18:22:04 +0100 Reply-To: eoldham MATHS.TCD.IE Sender: UCD Maths Department Distribution List From: eoldham MATHS.TCD.IE Subject: Re: [EXTERNAL] maths: Degree Classifications Comments: To: David Malone To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: <7CEDCA93-FCB2-419B-8B20-2811218BBD81 mu.ie> Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: I never succeeded in convincing one colleague in the TCD School of Education that in Trinity there was no such award as a 1:1 ... but I admit I assumed it was correct NUI usage (as that is from whence he sprung). I see that I was wrong! When I came to Trinity in 1961 to read Mathematics, I had to take a "subsidiary subject" unconnected with mathematics for my first year: the last remnant of the old Littlego (six subjects for two years). My referee for the residence Trinity Hall - theologian Prof. Richard Hanson, who was a family friend - wondered why I took Latin as a subsidiary subject rather than doing "double honors". Well, double honors would have been fine if I'd had brains like those of the Reverend Professor; one course was quite enough for me! Elizabeth. > I have been whinging about the 1:1 thing to my students for a while. I > usually point it out if they have it on their CV. > > The “double first”, I think I have seen this used to described > completing both the maths degree and the physics degree in TCD at the same > time. This meant that in third and fourth year you took a full course load > for the moderatorship in mathematics and the moderatorship in physics. The > normal TCD theoretical physics degree would only be a subset of this. I > don’t think anyone has done this recently, but I believe Chris King, who > passed away last year, had done this. There might be others on this list > who did it too > > David. > > 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 Sun Sep 1 18:46:25 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 References: <7CEDCA93-FCB2-419B-8B20-2811218BBD81 mu.ie> User-Agent: SquirrelMail/1.4.23 [SVN] MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Message-ID: <4dd39a17e4e2eb0f9259ec4e4b82767d.squirrel imap.maths.tcd.ie> Date: Sun, 1 Sep 2024 18:26:58 +0100 Reply-To: eoldham MATHS.TCD.IE Sender: UCD Maths Department Distribution List From: eoldham MATHS.TCD.IE Subject: Re: [EXTERNAL] maths: Degree Classifications Comments: cc: "Eugene.Gath" To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: PS: That was meant to be a smiley ... comes through on my system only as a code. > 😀 > >> With grade inflation rampant, maybe it's time to consider a 1.1* award >> and >> when that gets diluted a 1.1*+ award? 🙂 >> >> ________________________________ >> From: UCD Maths Distribution List >> on behalf of David Malone >> <000010c618d4e778-dmarc-request LISTSERV.HEANET.IE> >> Sent: 29 August 2024 16:28 >> To: MATHDEP LISTSERV.HEANET.IE >> Subject: Re: [EXTERNAL] maths: Degree Classifications >> >> CAUTION: This email originated from outside of the University of >> Limerick. >> Do not click on links or open attachments unless you recognize the >> sender's email address and know the content is safe. >> >> >> >> I have been whinging about the 1:1 thing to my students for a while. I >> usually point it out if they have it on their CV. >> >> The “double first”, I think I have seen this used to described >> completing both the maths degree and the physics degree in TCD at the >> same >> time. This meant that in third and fourth year you took a full course >> load >> for the moderatorship in mathematics and the moderatorship in physics. >> The >> normal TCD theoretical physics degree would only be a subset of this. I >> don’t think anyone has done this recently, but I believe Chris King, >> who >> passed away last year, had done this. There might be others on this list >> who did it too >> >> David. >> >> For more about the MATHDEP list access >> https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmaths.ucd.ie%2Fmathdep&data=05%7C02%7CEugene.Gath%40UL.IE%7C02cd73af5cd84980ae7108dcc841d0a6%7C0084b9243ab4411692519939f695e54c%7C0%7C0%7C638605432215194756%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=8IMlcy1AZLDnoW%2Frl5X8ZBQvdRzO9bmD7IUAlgCFzcg%3D&reserved=0 >> To change your mathdep preference, access >> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmaths.ucd.ie%2Fmathdepchange&data=05%7C02%7CEugene.Gath%40UL.IE%7C02cd73af5cd84980ae7108dcc841d0a6%7C0084b9243ab4411692519939f695e54c%7C0%7C0%7C638605432215205621%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=3onZkZLiS%2F%2B4Cb1XaF%2FPNKxwePBLNIfOoNLszYKvV3o%3D&reserved=0 >> > > From owner-mathdep LISTSERV.HEANET.IE Sun Sep 1 18:58:23 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 References: <7CEDCA93-FCB2-419B-8B20-2811218BBD81 mu.ie> User-Agent: SquirrelMail/1.4.23 [SVN] MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Message-ID: <72a58b3abc59eb237d8a14905432373f.squirrel imap.maths.tcd.ie> Date: Sun, 1 Sep 2024 18:23:07 +0100 Reply-To: eoldham MATHS.TCD.IE Sender: UCD Maths Department Distribution List From: eoldham MATHS.TCD.IE Subject: Re: [EXTERNAL] maths: Degree Classifications Comments: To: Conor Houghton To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Interesting idea! EEO. > This oddity is just another symptom of the absurdity of degree > classification; a more rational approach would see Universities abandoning > summative assessment completely. Our goal is to educate, let others > classify. > > Con > > On Thu, 29 Aug 2024 at 16:46, David Malone < > 000010c618d4e778-dmarc-request listserv.heanet.ie> wrote: > >> I have been whinging about the 1:1 thing to my students for a while. I >> usually point it out if they have it on their CV. >> >> The “double first”, I think I have seen this used to described >> completing >> both the maths degree and the physics degree in TCD at the same time. >> This >> meant that in third and fourth year you took a full course load for the >> moderatorship in mathematics and the moderatorship in physics. The >> normal >> TCD theoretical physics degree would only be a subset of this. I don’t >> think anyone has done this recently, but I believe Chris King, who >> passed >> away last year, had done this. There might be others on this list who >> did >> it too >> >> David. >> >> 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 Sun Sep 1 19:10:38 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 References: <7CEDCA93-FCB2-419B-8B20-2811218BBD81 mu.ie> User-Agent: SquirrelMail/1.4.23 [SVN] MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Message-ID: Date: Sun, 1 Sep 2024 18:24:45 +0100 Reply-To: eoldham MATHS.TCD.IE Sender: UCD Maths Department Distribution List From: eoldham MATHS.TCD.IE Subject: Re: [EXTERNAL] maths: Degree Classifications Comments: To: "Eugene.Gath" To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: 😀 > With grade inflation rampant, maybe it's time to consider a 1.1* award and > when that gets diluted a 1.1*+ award? 🙂 > > ________________________________ > From: UCD Maths Distribution List > on behalf of David Malone > <000010c618d4e778-dmarc-request LISTSERV.HEANET.IE> > Sent: 29 August 2024 16:28 > To: MATHDEP LISTSERV.HEANET.IE > Subject: Re: [EXTERNAL] maths: Degree Classifications > > CAUTION: This email originated from outside of the University of Limerick. > Do not click on links or open attachments unless you recognize the > sender's email address and know the content is safe. > > > > I have been whinging about the 1:1 thing to my students for a while. I > usually point it out if they have it on their CV. > > The “double first”, I think I have seen this used to described > completing both the maths degree and the physics degree in TCD at the same > time. This meant that in third and fourth year you took a full course load > for the moderatorship in mathematics and the moderatorship in physics. The > normal TCD theoretical physics degree would only be a subset of this. I > don’t think anyone has done this recently, but I believe Chris King, who > passed away last year, had done this. There might be others on this list > who did it too > > David. > > For more about the MATHDEP list access > https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmaths.ucd.ie%2Fmathdep&data=05%7C02%7CEugene.Gath%40UL.IE%7C02cd73af5cd84980ae7108dcc841d0a6%7C0084b9243ab4411692519939f695e54c%7C0%7C0%7C638605432215194756%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=8IMlcy1AZLDnoW%2Frl5X8ZBQvdRzO9bmD7IUAlgCFzcg%3D&reserved=0 > To change your mathdep preference, access > https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmaths.ucd.ie%2Fmathdepchange&data=05%7C02%7CEugene.Gath%40UL.IE%7C02cd73af5cd84980ae7108dcc841d0a6%7C0084b9243ab4411692519939f695e54c%7C0%7C0%7C638605432215205621%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=3onZkZLiS%2F%2B4Cb1XaF%2FPNKxwePBLNIfOoNLszYKvV3o%3D&reserved=0 > From owner-mathdep LISTSERV.HEANET.IE Mon Sep 2 09:48:46 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, FROM_LOCAL_HEX,FROM_STARTS_WITH_NUMS,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 References: <7CEDCA93-FCB2-419B-8B20-2811218BBD81 mu.ie> Content-Type: text/plain; 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I > see that I was wrong! While digging out information for Colm Mulcahy, I made myself the notes below on the evolution of degree classifications in TCD. The current system was newer than I expected. Sometime I must look up how it evolved in the QUI/CUI/ROI/NUI sysem, the NIHE/UL/DCU system, and the RTC/IT/TU system, unless someone already has handy crib sheets that they could share. (Note the idea of having a BA in a particular subject does not come about until 1834 in TCD, when 8 subject specialisms become recognised, including maths. Before this a BA was just a BA, and not in a particular subject. Something similar holds for things like the scholarship exams, though I think the dates are slightly different.) David. --- In 1793 the board decided to award a gold medal to students who get Bene or Valde Bene in all exams. In 1815, this scheme was changed and gold medals were awarded to the best answerer in Science and the best answerer in Classics. In 1834 the B.A. Degree was split into Senior Moderators and Junior Moderators, which are given within different 8 subjects. Senior/junior moderators seems to be grades. Respondents are added in 1846, and seem to be a lower grade than the moderators, and not split by subject. Originally, senior moderators are given gold medals, and junior moderators silver medals. In 1867, large gold medals is given to the first senior moderator in each subject. ??Supplemental moderators may have dropped a class or classes?? In 1925 the distinction of Moderatorships into Senior and Junior was abolished, the latter being designated class III, and the former divided into class I and class II. Gold medals and Certificates were awarded to Moderators in the First Class, and Certificates to those in the Second and Third classes. In and after 1935 the award of large gold medals was discontinued. Moderators of the first class receive gold medals if, in the opinion of the board, exceptional merit has been shown. The 1951 record volume describes moderators as graduates with honours. Respondents are graduates who have performed with special distinction at ordinary B.A. exams. In 1953 the award of 2nd Class Moderatorships was discontinued. From this year, 2nd Class Moderatorships were divided into Second Class (First Division) and Second Class (Second Division). In 1970 the award of Supplemental Moderatorships was discontinued. Respondents seem to continue until TSM comes in in 1982. From owner-mathdep LISTSERV.HEANET.IE Mon Sep 2 10:30:34 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.3 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,HTML_OBFUSCATE_05_10, MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Mon, 2 Sep 2024 10:18:12 +0100 Reply-To: Seminars Maths NUIG Sender: UCD Maths Department Distribution List From: Seminars Maths NUIG Subject: Maths: Seminar Uni Galway: =?UTF-8?Q?=E2=80=9CRecent_discoveries_about_finite_quotients_of_triang?= =?UTF-8?Q?le_groups=E2=80=9D_=28Wed=29_and_=E2=80=9CAscent_sequences=2C?= =?UTF-8?Q?_weak_ascent_sequences=2C_and_related_combinatorial_structur?= =?UTF-8?Q?es=E2=80=9D_?=(Thu) To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --0000000000003750fe06211f6c04 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear All, We will have two seminars this week: Wednesday 4th September at 3pm and Thursday 5th September at 4pm, both in ADB1020. On Wednesday, Marston Conder, from University of Auckland, New Zealand, will speak on =E2=80=9CRecent discoveries about finite quotients of triangle groups=E2=80= =9D Abstract: For integers $k,l,m > 1$, the ordinary {\em triangle group\/} $\Delta^+(k,l,m)$ is the group with presentation $\langle\, x,y \ | \ x^k = =3D y^l =3D (xy)^m =3D 1 \,\rangle$, or equivalently $\langle\, x,y,z \ | \ x^k= =3D y^l =3D z^m =3D xyz =3D 1 \,\rangle$. Such groups play an important role i= n the study of large automorphism groups of algebraic curves and compact Riemann surfaces, and of regular maps on orientable and non-orientable surfaces. Much of the early part of this study (dating back over 100 years to work by Dyck, Klein and Burnside, for example) considered only small quotients of triangle groups, and subsequent work (by Macbeath, Higman and others) concentrated on finite simple quotients (such as $\PSL(2,q)$, the alternating groups, and even some of the exceptional finite simple groups). But surprisingly, the recent determination of all orientably-regular maps of `small' genus (now up to genus 1501) has shown that finite simple groups and finite insoluble groups account respectively for less than 0.1\% and less than 7\% of the associated quotients of ordinary triangle groups (with quotient order up to about $100000$), while finite soluble quotients account for over 93\%. Very little attention has been paid to soluble quotients, and in this talk I will describe some recent research (with my PhD student Darius Young) that helps to correct this relative lack of attention. In particular, I will explain how every non-perfect hyperbolic ordinary triangle group has a smooth finite soluble quotient of derived length $c$ for some $c \le 3$, and has infinitely many such quotients of derived length $d$ for every $d > c$. Also I will report on some work by Darius in the last few weeks in which he proved that the natural density (in the positive integers) of the set of orders of finite quotients of a triangle group $\Delta^+(k,l,m)$ is {\bf zero} for every triple $(k,l,m)$. This work completed an investigation by Larsen (2001), but avoids resorting to the classification of finite simple groups. It also led to the following (proved by MC \& Gabriel Verret): the natural density of the orders of finite quotients of the free product $C_p * C_q =3D \langle\, x,y= \ |\ x^p =3D y^q =3D 1\,\rangle$ is zero whenever $p$ or $q$ is odd, but is positive whenever $p$ and $q$ are even. Furthermore, this had unexpected consequences for the densities of orders of finite arc-transitive graphs of given valency, and also led to a much more general theorem about possibilities for the density of orders of finite quotients of a given finitely-generated infinite group. On Thursday, Mark Dukes from UCD will speak on =E2=80=9CAscent sequences, weak ascent sequences, and related combinatorial structures=E2=80=9D Abstract: Let a=3D(a_1,a_2,...,a_n) be a sequence of nonnegative integers. = An ascent in the sequence a is an index k for which a_{k+1}>a_k. An ascent sequence is a sequence of non-negative integers that begins with zero and in which every entry is bounded by one more than the number of ascents preceding it. These sequences were introduced by Bousquet-Melou, Claesson, Dukes and Kitaev (2010) and enjoy a rich collection of properties. In particular, they uniquely encode a variety of combinatorial structures. These include: Fishburn permutations, (2+2)-free posets, a class of integer matrices that have since become known as Fishburn matrices, and Stoimenow matchings. Recently, Benyi, Claesson and Dukes (2023) introduced weak-ascent sequences, a variant of ascent sequences, and showed them to have a similarly rich collection of correspondences. Building on this, a further generalization was proposed in Dukes and Sagan (2024) and these are termed "difference d-ascent sequences". Properties of the corresponding difference ascent sequences are that several mappings from the weak case can be extended to bijections for general d, while the extensions of others continue to be injective (but not surjective). This talk will present an overview of recent results on weak and difference ascent sequences. It is joint work with Beata Benyi, Anders Claesson, and Bruce Sagan. Contact: Angela Carnevale Coffee/tea/cakes/biscuits will be served from half an hour before the seminar. Hoping to see you all there, Haixuan and Nastaran Future seminars are listed at http://www.nuigalway.ie/science-engineering/school-of-maths/seminars/school= seminar/ --0000000000003750fe06211f6c04 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear All,

We will have two seminars = this week:=C2=A0Wednesday=C2=A04th=C2=A0September at 3pm and Thursday 5^th=C2=A0Septembe= r at=C2=A04pm, both in ADB1020.
=C2=A0
On Wednesday, Mars= ton Conder, from University of Auckland, New Zealand, will speak on
=E2=80=9CRecent=C2=A0discoveries=C2=A0about=C2=A0finite= =C2=A0quotients=C2=A0of=C2=A0triangle=C2=A0groups=E2=80=9D

Abstract: For integers $k,l,m >= 1$, the ordinary {\em=C2=A0triangle=C2=A0group\/} $\Delta^+(k,l,m)$=C2=A0i= s the group with presentation $\langle\, x,y \ | \ x^k =3D y^l =3D (xy)^m = =3D 1 \,\rangle$,=C2=A0or equivalently $\langle\, x,y,z \ | \ x^k =3D y^l = =3D z^m =3D xyz =3D 1 \,\rangle$.=C2=A0 Such=C2=A0groups=C2=A0play an impor= tant role in the study=C2=A0of=C2=A0large automorphism=C2=A0groups=C2=A0of= =C2=A0algebraic curves and compact Riemann surfaces, and=C2=A0of=C2=A0regul= ar maps on=C2=A0orientable and non-orientable surfaces.=C2=A0 Much=C2=A0of= =C2=A0the early part=C2=A0of=C2=A0this study (dating back over 100 years to= work by Dyck,=C2=A0Klein and Burnside, for example) considered only small= =C2=A0quotients=C2=A0of=C2=A0triangle=C2=A0groups,=C2=A0and subsequent work= (by Macbeath, Higman and others) concentrated on=C2=A0finite=C2=A0simple= =C2=A0quotients=C2=A0(such as $\PSL(2,q)$, the alternating=C2=A0groups,=C2= =A0and even some=C2=A0of=C2=A0the exceptional=C2=A0finite=C2=A0simple=C2=A0= groups).=C2=A0 But surprisingly, the=C2=A0recent=C2=A0determination=C2=A0of= =C2=A0all orientably-regular maps=C2=A0of=C2=A0`small'=C2=A0genus (now = up to genus 1501) has shown that=C2=A0finite=C2=A0simple=C2=A0groups=C2=A0a= nd=C2=A0finite=C2=A0insoluble=C2=A0groups=C2=A0account respectively for les= s than 0.1\% and less than 7\%=C2=A0of=C2=A0the associated=C2=A0quotients= =C2=A0of=C2=A0ordinary=C2=A0triangle=C2=A0groups=C2=A0(with quotient order = up to about=C2=A0$100000$), while=C2=A0finite=C2=A0soluble=C2=A0quotients= =C2=A0account for over 93\%.=C2=A0Very little attention has been paid to so= luble=C2=A0quotients, and in this talk I will=C2=A0describe some=C2=A0recen= t=C2=A0research (with my PhD student Darius Young) that helps to=C2=A0corre= ct this relative lack=C2=A0of=C2=A0attention.=C2=A0In particular, I will ex= plain how every non-perfect hyperbolic ordinary=C2=A0triangle group has a s= mooth=C2=A0finite=C2=A0soluble quotient=C2=A0of=C2=A0derived length $c$ for= some $c \le 3$,=C2=A0and has infinitely many such=C2=A0quotients=C2=A0of= =C2=A0derived length $d$ for every $d > c$.=C2=A0 Also I will report on = some work by Darius in the last few weeks in which he proved=C2=A0that the = natural density (in the positive integers)=C2=A0of=C2=A0the set=C2=A0of=C2= =A0orders=C2=A0of=C2=A0finite=C2=A0quotients=C2=A0of=C2=A0a=C2=A0triangle= =C2=A0group $\Delta^+(k,l,m)$ is=C2=A0 {\bf zero}=C2=A0 for every triple $(= k,l,m)$.=C2=A0 This work completed an investigation by Larsen (2001), but a= voids resorting to the=C2=A0classification=C2=A0of=C2=A0finite=C2=A0simple= =C2=A0groups.=C2=A0 =C2=A0It also led to the following=C2=A0 (proved by MC = \& Gabriel Verret): the natural density of=C2=A0the orders=C2=A0of=C2= =A0finite=C2=A0quotients=C2=A0of=C2=A0the free product=C2=A0$C_p * C_q =3D = \langle\, x,y \ |\ x^p =3D y^q =3D 1\,\rangle$=C2=A0is zero whenever $p$ or= $q$ is odd, but is positive whenever $p$ and $q$ are even.=C2=A0Furthermor= e, this had unexpected consequences for the densities=C2=A0of=C2=A0orders= =C2=A0of=C2=A0finite arc-transitive graphs=C2=A0of=C2=A0given valency, and = also led to a much more general theorem about=C2=A0possibilities for the de= nsity=C2=A0of=C2=A0orders=C2=A0of=C2=A0finite=C2=A0quotients=C2=A0of=C2=A0a= given finitely-generated infinite group.

On Thursday, Mark Dukes from UCD will speak on
<= p class=3D"MsoNormal">=E2=80=9CAscent sequences, weak ascent sequences, and= related combinatorial structures=E2=80=9D

Abstract: Let a=3D(a_1,a_2,...,a_n) be a sequence = of nonnegative integers. An ascent in the sequence a is an index k for whic= h a_{k+1}>a_k. An ascent sequence is a sequence of non-negative integers= that begins with zero and in which every entry is bounded by one more than= the number of ascents preceding it. These sequences were introduced by Bou= squet-Melou, Claesson, Dukes and Kitaev (2010) and enjoy a rich collection = of properties. In particular, they uniquely encode a variety of combinatori= al structures. These include: Fishburn permutations, (2+2)-free posets, a c= lass of integer matrices that have since become known as Fishburn matrices,= and Stoimenow matchings. Recently, Benyi, Claesson and Dukes (2023) introd= uced weak-ascent sequences, a variant of ascent sequences, and showed them = to have a similarly rich collection of correspondences. Building on this, a= further generalization was proposed in Dukes and Sagan (2024) and these ar= e termed "difference d-ascent sequences".=C2=A0 Properties of the= corresponding difference ascent sequences are that several mappings from t= he weak case can be extended to bijections for general d, while the extensi= ons of others continue to be injective (but not surjective).=C2=A0 This tal= k will present an overview of recent results on weak and difference ascent = sequences. It is joint work with Beata Benyi, Anders Claesson, and Bruce Sa= gan.
=C2=A0
Contact: An= gela Carnevale
Coffee/tea/cakes/biscuits will be = served from half an hour before the seminar.
=C2= =A0
Hoping to see you all there,
Haixuan and Nastaran
Future seminars ar= e listed at=C2=A0http://www.nuigalway.ie/science-engin= eering/school-of-maths/seminars/schoolseminar/
=C2=A0
--0000000000003750fe06211f6c04-- From owner-mathdep LISTSERV.HEANET.IE Mon Sep 2 16:59:43 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,MAILING_LIST_MULTI, MIME_QP_LONG_LINE autolearn=unavailable autolearn_force=no version=3.4.0 Date: Mon, 2 Sep 2024 17:46:50 +0200 Reply-To: "Neil O'Connell" Sender: UCD Maths Department Distribution List From: "Neil O'Connell" Subject: maths: UCD Probability seminar, Wed 11th September 2024 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --Apple-Mail-73280F57-81AC-4FA4-B386-3FEA742D8128 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable UCD School of Mathematics and Statistics - Seminar Notice Speaker: Elia Bisi (University of Florence) Title: Random matrices, Young diagrams, and trees Date: Wed 11th September 2024 Time: 2:00PM Location: E0.32 (beside Pi restaurant) Abstract: We consider =E2=80=98=CE=BB-shaped random matrices=E2=80=99, whose= entries are i.i.d. in the boxes of a given Young diagram =CE=BB and zero el= sewhere. In particular, we study their limiting spectral distribution when t= he shape =CE=BB is dilated by a growing factor N. The moments of such a dist= ribution are a generalisation of Catalan numbers, and enumerate a combinator= ial object which we call =CE=BB-plane trees: these are trees whose vertices a= re labelled in a way that is =E2=80=98compatible=E2=80=99 with =CE=BB. Based= on joint work with Fabio D. Cunden. ------------------------------------------------------------- For other seminars in the Probability series, click http://maths.ucd.ie/semi= narseries/probability ------------------------------------------------------------- The following formats the above notice so as to be included in the mathdep g= oogle calendar title:: Random matrices, Young diagrams, and trees content:: Elia Bisi (University of Florence)=20 :: UCD Probability seminar (http://maths.ucd.ie/seminarseries/probability)=20= location:: E0.32 (beside Pi restaurant) date-time:: Wed 11th September 2024 at 2:00PM=20 --Apple-Mail-73280F57-81AC-4FA4-B386-3FEA742D8128 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
UCD School of Mathematics and= Statistics - Seminar Notice

Speaker: Elia Bisi (University of Florence)

Title: R= andom matrices, Young diagrams, and trees

=
Date: Wed 11th September 2024

Time: 2:00PM

Location: E0.32= (beside Pi restaurant)

Abstract: We consider =E2=80=98=CE= =BB-shaped random matrices=E2=80=99, whose entries are i.i.d. in the boxes o= f a given Young diagram =CE=BB and zero elsewhere. In particular, we study t= heir limiting spectral distribution when the shape =CE=BB is dilated by a gr= owing factor N. The moments of such a distribution are a generalisation of C= atalan numbers, and enumerate a combinatorial object which we call =CE=BB= -plane trees: these are trees whose vertices are labelled in a way that is =E2= =80=98compatible=E2=80=99 with =CE=BB. Based on joint work with Fabio D. C= unden.
---------------------------------------------= ----------------
For other seminars in the Probability series, click = ;http://maths.ucd.ie/seminarseries/p= robability

------------------------------------= -------------------------
The following formats the above notice so as to= be included in the mathdep google calendar

title::= Random matrices, Young diagrams, and trees
content:: Elia Bisi (Universi= ty of Florence)
:: UCD Probability seminar (http://maths.ucd.ie/sem= inarseries/probability)
location:: E0.32 (beside Pi restaurant)
= date-time:: Wed 11th September 2024 at 2:00PM

= --Apple-Mail-73280F57-81AC-4FA4-B386-3FEA742D8128-- From owner-mathdep LISTSERV.HEANET.IE Mon Sep 2 18:07:05 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.3 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 References: <7CEDCA93-FCB2-419B-8B20-2811218BBD81 mu.ie> Content-Type: multipart/alternative; boundary="0000000000007da480062125cc56" Message-ID: Date: Mon, 2 Sep 2024 17:54:36 +0100 Reply-To: John Cosgrave Sender: UCD Maths Department Distribution List From: John Cosgrave Subject: Re: [EXTERNAL] maths: Degree Classifications Comments: To: David Malone To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --0000000000007da480062125cc56 Content-Type: text/plain; charset="UTF-8" Referring to Ted Hurley's original "...examination (possibly now `continuous assessment'!...", some of you may be interested in the *system of examination* that I experienced as an undergraduate ('65-'68) at Royal Holloway College (London). *It was brutal*, and we were the last to be subjected to it. (Those in the following year included my friend, the renowned algebraist *Geoff(rey) Mason*, the well-known group theorist *Simon Norton* (then aged 13, possibly 14), my late friend *Mike Walker*, ... They started to get 'course credits': they were taught something, got examined on it, collected certain 'credits', moved on, never to revisit...) At the end of our first term we were examined on that term's lectures: if you failed *you were sent down*, *permanently*, *no second chance*. This happened to one of us (a young lad from Liverpool). Another, one who had entered on an Open Scholarship, who passed but didn't shine, had his scholarship taken from him. At the end of the first year's third term we were examined on the entire year's work; if you failed you were sent down... While this didn't happen to any of us in Mathematics, the girlfriend of one of my classmates - she was in 2nd year Mathematics - she failed her end-of-year papers, and was sent down. *No repeats*. Eleven out of the 101 male undergraduates (we were known as the 'Pioneers', as we were RHC's first cohort of male undergraduates) who 'failed' in their subjects were sent down (one, a friend, an English relative of Michael Collins, 'failed' Physics, subsequently became a Professor of Ophthalmology). At the end of the second year we were examined on the entire 2nd year work; if you failed... (as happened the previous year to my friend's girlfriend; incidentally, when they subsequently married, I was 'bestman'). At the end of our final year we were examined on our third year 'special subjects' (one could choose all Pure, all Applied, or whatever combination from those that one liked), *together with the entire content of all our first and second year work*. If one failed then that was it, *no repeats*. Readers (anyone still there?) may be amused by what happened in our very first lecture, way back in October 1965. A Professor Ken Smith spoke for an hour on "contravariant and covariant vectors and tensors in n-space" (Our first Analysis lecture was on *Dedekind cuts*...). At the end of the hour Smith invited questions, and my friend Robin Shakeshaft (now Professor of Physics at U.S.C.) ventured as follows: *Professor Smith, you have been telling us about these * *contravariant and covariant vectors and tensors in n-space... but what exactly is this "n-space"?* Smith replied*, *or rather blustered*: "n-space? n-space? You mean to tell me that you don't know what n-space is?! What the hell are they teaching you in schools these days?! *He told us he would write up the names of some (four) books, and if we read any of them we would get to know what n-space was. (Like a fool I bought all four...) Ah, those were the days... On Mon, 2 Sept 2024 at 09:55, David Malone < 000010c618d4e778-dmarc-request listserv.heanet.ie> wrote: > On Sun, Sep 01, 2024 at 06:22:04PM +0100, eoldham maths.tcd.ie wrote: > > I never succeeded in convincing one colleague in the TCD School of > > Education that in Trinity there was no such award as a 1:1 ... but I > admit > > I assumed it was correct NUI usage (as that is from whence he sprung). I > > see that I was wrong! > > While digging out information for Colm Mulcahy, I made myself the > notes below on the evolution of degree classifications in TCD. The > current system was newer than I expected. Sometime I must look up > how it evolved in the QUI/CUI/ROI/NUI sysem, the NIHE/UL/DCU system, > and the RTC/IT/TU system, unless someone already has handy crib > sheets that they could share. > > (Note the idea of having a BA in a particular subject does not come > about until 1834 in TCD, when 8 subject specialisms become recognised, > including maths. Before this a BA was just a BA, and not in a > particular subject. Something similar holds for things like the > scholarship exams, though I think the dates are slightly different.) > > David. > > --- > > In 1793 the board decided to award a gold medal to students > who get Bene or Valde Bene in all exams. In 1815, this scheme > was changed and gold medals were awarded to the best answerer > in Science and the best answerer in Classics. > > In 1834 the B.A. Degree was split into Senior Moderators > and Junior Moderators, which are given within different 8 > subjects. Senior/junior moderators seems to be grades. > Respondents are added in 1846, and seem to be a lower grade > than the moderators, and not split by subject. Originally, > senior moderators are given gold medals, and junior moderators > silver medals. In 1867, large gold medals is given to the > first senior moderator in each subject. > > ??Supplemental moderators may have dropped a class or classes?? > > In 1925 the distinction of Moderatorships into Senior and > Junior was abolished, the latter being designated class > III, and the former divided into class I and class II. Gold > medals and Certificates were awarded to Moderators in the > First Class, and Certificates to those in the Second and > Third classes. > > In and after 1935 the award of large gold medals was > discontinued. Moderators of the first class receive gold > medals if, in the opinion of the board, exceptional merit > has been shown. > > The 1951 record volume describes moderators as graduates > with honours. Respondents are graduates who have performed > with special distinction at ordinary B.A. exams. > > In 1953 the award of 2nd Class Moderatorships was discontinued. > From this year, 2nd Class Moderatorships were divided into Second > Class (First Division) and Second Class (Second Division). > > In 1970 the award of Supplemental Moderatorships was discontinued. > > Respondents seem to continue until TSM comes in in 1982. > > For more about the MATHDEP list access http://maths.ucd.ie/mathdep > To change your mathdep preference, access > https://maths.ucd.ie/mathdepchange > --0000000000007da480062125cc56 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Referring to Ted Hurley&#= 39;s=20 original "...examination (possibly now `continuous assessment'!...= ", some of you may be interested in the system of examination t= hat I experienced as an undergraduate ('65-'68) at Royal Holloway C= ollege (London). It was brutal, and we were the last to be subjected= to it.

(Those in the following year included my friend, the renowned= algebraist Geoff(rey) Mason, the well-known group theorist Simon= Norton (then aged 13, possibly 14), my late friend Mike Walker,= ... They started to get 'course credits': they were taught somethi= ng, got examined on it, collected certain 'credits', moved on, neve= r to revisit...)

At the end of our first term we were examined on tha= t term's lectures: if you failed you were sent down, permanen= tly, no second chance. This happened to one of us (a young lad f= rom Liverpool). Another, one who had entered on an Open Scholarship, who pa= ssed but didn't shine, had his scholarship taken from him.

At the= end of the first year's third term we were examined on the entire year= 's work; if you failed you were sent down... While this didn't happ= en to any of us in Mathematics, the girlfriend of one of my classmates - sh= e was in 2nd year Mathematics - she failed her end-of-year papers, and was = sent down. No repeats. Eleven out of the 101 male undergraduates (we= were known as the 'Pioneers', as we were RHC's first cohort of= male undergraduates) who 'failed' in their subjects were sent down= (one, a friend, an English relative of Michael Collins, 'failed' P= hysics, subsequently became a Professor of Ophthalmology).

At the en= d of the second year we were examined on the entire 2nd year work; if you f= ailed... (as happened the previous year to my friend's girlfriend; inci= dentally, when they subsequently married, I was 'bestman').

A= t the end of our final year we were examined on our third year 'special= subjects' (one could choose all Pure, all Applied, or whatever combina= tion from those that one liked), together with the entire content of all= our first and second year work. If one failed then that was it, no = repeats.

Readers (anyone still there?) may be amused by what happ= ened in our very first lecture, way back in October 1965. A Professor Ken S= mith spoke for an hour on "contravariant and covariant vectors and ten= sors in n-space" (Our first Analysis lecture was on Dedekind cuts...).

At the end of the hour Smith invited questions, and my friend= Robin Shakeshaft (now Professor of Physics at U.S.C.) ventured as follows:= Professor Smith, you have been telling us about these contravariant and covariant vectors and tensors in n-space... but what e= xactly is this "n-space"?

Smith replied, = or rather blustered: "n-space? n-space? You mean to tell me that yo= u don't know what n-space is?! What the hell are they teaching you in s= chools these days?! He told us he would write up the names of some (fou= r) books, and if we read any of them we would get to know what n-space was.= (Like a fool I bought all four...)
<= br>
Ah, those were the days...
<= div class=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-serif= ;font-size:small;color:#4c1130">

On Mon, 2 Sept 2024 at 09:55, Dav= id Malone <000010c618d4e778-dmarc-request listserv.heanet.ie> wrote:
On Sun, Sep 01, 20= 24 at 06:22:04PM +0100, eoldham maths.tcd.ie wrote:
> I never succeeded in convincing one colleague in the TCD School of
> Education that in Trinity there was no such award as a 1:1 ... but I a= dmit
> I assumed it was correct NUI usage (as that is from whence he sprung).= I
> see that I was wrong!

While digging out information for Colm Mulcahy, I made myself the
notes below on the evolution of degree classifications in TCD. The
current system was newer than I expected. Sometime I must look up
how it evolved in the QUI/CUI/ROI/NUI sysem, the NIHE/UL/DCU system,
and the RTC/IT/TU system, unless someone already has handy crib
sheets that they could share.

(Note the idea of having a BA in a particular subject does not come
about until 1834 in TCD, when 8 subject specialisms become recognised,
including maths. Before this a BA was just a BA, and not in a
particular subject. Something similar holds for things like the
scholarship exams, though I think the dates are slightly different.)

=C2=A0 =C2=A0 =C2=A0 =C2=A0 David.

---

=C2=A0 =C2=A0 =C2=A0 =C2=A0 In 1793 the board decided to award a gold medal= to students
=C2=A0 =C2=A0 =C2=A0 =C2=A0 who get Bene or Valde Bene in all exams. In 181= 5, this scheme
=C2=A0 =C2=A0 =C2=A0 =C2=A0 was changed and gold medals were awarded to the= best answerer
=C2=A0 =C2=A0 =C2=A0 =C2=A0 in Science and the best answerer in Classics.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 In 1834 the B.A. Degree was split into Senior M= oderators
=C2=A0 =C2=A0 =C2=A0 =C2=A0 and Junior Moderators, which are given within d= ifferent 8
=C2=A0 =C2=A0 =C2=A0 =C2=A0 subjects. Senior/junior moderators seems to be = grades.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Respondents are added in 1846, and seem to be a= lower grade
=C2=A0 =C2=A0 =C2=A0 =C2=A0 than the moderators, and not split by subject.= =C2=A0 Originally,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 senior moderators are given gold medals, and ju= nior moderators
=C2=A0 =C2=A0 =C2=A0 =C2=A0 silver medals. In 1867, large gold medals is gi= ven to the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 first senior moderator in each subject.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 ??Supplemental moderators may have dropped a cl= ass or classes??

=C2=A0 =C2=A0 =C2=A0 =C2=A0 In 1925 the distinction of Moderatorships into = Senior and
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Junior was abolished, the latter being designat= ed class
=C2=A0 =C2=A0 =C2=A0 =C2=A0 III, and the former divided into class I and cl= ass II. Gold
=C2=A0 =C2=A0 =C2=A0 =C2=A0 medals and Certificates were awarded to Moderat= ors in the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 First Class, and Certificates to those in the S= econd and
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Third classes.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 In and after 1935 the award of large gold medal= s was
=C2=A0 =C2=A0 =C2=A0 =C2=A0 discontinued. Moderators of the first class rec= eive gold
=C2=A0 =C2=A0 =C2=A0 =C2=A0 medals if, in the opinion of the board, excepti= onal merit
=C2=A0 =C2=A0 =C2=A0 =C2=A0 has been shown.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 The 1951 record volume describes moderators as = graduates
=C2=A0 =C2=A0 =C2=A0 =C2=A0 with honours. Respondents are graduates who hav= e performed
=C2=A0 =C2=A0 =C2=A0 =C2=A0 with special distinction at ordinary B.A. exams= .

=C2=A0 =C2=A0 =C2=A0 =C2=A0 In 1953 the award of 2nd Class Moderatorships w= as discontinued.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 From this year, 2nd Class Moderatorships were d= ivided into Second
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Class (First Division) and Second Class (Second= Division).

=C2=A0 =C2=A0 =C2=A0 =C2=A0 In 1970 the award of Supplemental Moderatorship= s was discontinued.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 Respondents seem to continue until TSM comes in= in 1982.

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

--0000000000007da480062125cc56-- From owner-mathdep LISTSERV.HEANET.IE Mon Sep 2 19:09:03 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 References: <7CEDCA93-FCB2-419B-8B20-2811218BBD81 mu.ie> Content-Type: text/plain; charset="UTF-8" Message-ID: Date: Mon, 2 Sep 2024 18:56:17 +0100 Reply-To: David Wilkins Sender: UCD Maths Department Distribution List From: David Wilkins Subject: Re: [EXTERNAL] maths: Degree Classifications Comments: cc: David Malone To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: <7CEDCA93-FCB2-419B-8B20-2811218BBD81 mu.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 482HubpV015984 Following up on the "Double Moderatorship in Mathematics and Physics" at TCD. Note "double moderatorship", not "double first". I have only encountered "double first" in relation to degrees at the University of Oxford. I haven't consulted my collection of printed University of Dublin Calendars in my office. Nor have I consulted the printed books of degree results from the 1980's and possibly early 1990's. However it seems that the possibility of graduating with the Double Moderatorship was provided for in the Calendar up to the academic year 2002/03. (On this laptop computer I have the LaTeX source of the Calendar Changes that I drafted for the Mathematics School Committee at TCD, and accordingly have noted that the relevant change to the Calendar was approved by the Committee in January 2002, almost certainly as part of the incremental process of making TCD degree regulations consistent with Bologna requirements, a process that stretched over more than a decade. Also I can possibly recall, from some printed list, the name of the last person graduating with a double moderatorship, that graduation taking place in the 1980s. At least I have a name in mind, being pretty certain of the given name, but not the surname. David On Thu, 29 Aug 2024 at 16:54, David Malone <000010c618d4e778-dmarc-request listserv.heanet.ie> wrote: > > I have been whinging about the 1:1 thing to my students for a while. I usually point it out if they have it on their CV. > > The “double first”, I think I have seen this used to described completing both the maths degree and the physics degree in TCD at the same time. This meant that in third and fourth year you took a full course load for the moderatorship in mathematics and the moderatorship in physics. The normal TCD theoretical physics degree would only be a subset of this. I don’t think anyone has done this recently, but I believe Chris King, who passed away last year, had done this. There might be others on this list who did it too > > David. > > 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 Mon Sep 2 19:21:25 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 References: <7CEDCA93-FCB2-419B-8B20-2811218BBD81 mu.ie> Content-Type: text/plain; charset="UTF-8" Message-ID: Date: Mon, 2 Sep 2024 18:59:07 +0100 Reply-To: David Wilkins Sender: UCD Maths Department Distribution List From: David Wilkins Subject: Re: [EXTERNAL] maths: Degree Classifications Comments: cc: David Malone To: MATHDEP LISTSERV.HEANET.IE In-Reply-To: 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 482HxQYP016160 P.S., obvious correction "up to the year 2002/03" -> up to the year 2001/02". Apologies, David On Mon, 2 Sept 2024 at 18:56, David Wilkins wrote: > > Following up on the "Double Moderatorship in Mathematics and Physics" at TCD. > > Note "double moderatorship", not "double first". I have only > encountered "double first" in relation to degrees at the University of > Oxford. > > I haven't consulted my collection of printed University of Dublin > Calendars in my office. Nor have I consulted the printed books of > degree results from the 1980's and possibly early 1990's. > > However it seems that the possibility of graduating with the Double > Moderatorship was provided for in the Calendar up to the academic year > 2002/03. (On this laptop computer I have the LaTeX source of the > Calendar Changes that I drafted for the Mathematics School Committee > at TCD, and accordingly have noted that the relevant change to the > Calendar was approved by the Committee in January 2002, almost > certainly as part of the incremental process of making TCD degree > regulations consistent with Bologna requirements, a process that > stretched over more than a decade. > > Also I can possibly recall, from some printed list, the name of the > last person graduating with a double moderatorship, that graduation > taking place in the 1980s. At least I have a name in mind, being > pretty certain of the given name, but not the surname. > > David > > On Thu, 29 Aug 2024 at 16:54, David Malone > <000010c618d4e778-dmarc-request listserv.heanet.ie> wrote: > > > > I have been whinging about the 1:1 thing to my students for a while. I usually point it out if they have it on their CV. > > > > The “double first”, I think I have seen this used to described completing both the maths degree and the physics degree in TCD at the same time. This meant that in third and fourth year you took a full course load for the moderatorship in mathematics and the moderatorship in physics. The normal TCD theoretical physics degree would only be a subset of this. I don’t think anyone has done this recently, but I believe Chris King, who passed away last year, had done this. There might be others on this list who did it too > > > > David. > > > > 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 Sep 4 13:31:40 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,MAILING_LIST_MULTI, MIME_QP_LONG_LINE autolearn=unavailable autolearn_force=no version=3.4.0 Date: Wed, 4 Sep 2024 13:18:11 +0100 Reply-To: seminars MATHS.UCD.IE Sender: UCD Maths Department Distribution List From: seminars MATHS.UCD.IE Subject: maths: Analysis seminar, Tue 10th September 2024 To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: ----+--1725452291--+-- Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable UCD School of Mathematics and Statistics - Seminar Notice=0D =0D =0D Speaker: Neil Dobbs=0D =0D Title: Pressure and the Hausdorff dimension of Julia sets=0D =0D =0D Date: Tue 10th September 2024=0D =0D Time: 3:00PM=0D =0D Location: E0.32 (beside Pi restaurant)=0D =0D Abstract: Bowen's formula says that the first zero of the pressure function= is, in certain settings, equal to the Hausdorff dimension of a fractal set= . I will explain this idea and how it can be used to estimate the dimension= of quadratic Julia sets.=0D =0D https://ucd-ie.zoom.us/j/65906449632=0D =0D Further information: Pressure and the Hausdorff dimension of Julia sets =0D =0D -------------------------------------------------------------=0D For other seminars in the Analysis series, see http://maths.ucd.ie/seminars= eries/Analysis=0D =0D -------------------------------------------------------------=0D The following formats the above notice so as to be included in the mathdep = google calendar=0D =0D title:: Pressure and the Hausdorff dimension of Julia sets=0D content:: Neil Dobbs =0D :: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis) =0D location:: E0.32 (beside Pi restaurant)=0D date-time:: Tue 10th September 2024 at 3:00PM=20= ----+--1725452291--+-- Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
UCD School of Mathematics and Statistics - Seminar Notice

Speaker: Neil Dobbs

Title: Pressure and the Hausdorff dimension of Julia sets

Date: Tue 10th September 2024

Time: 3:00PM

Location: E0.32 (beside Pi restaurant)

Abstract: Bowen's formula says that the first zero of the pressure function is, in certain settings, equal to the Hausdorff dimension of a fractal set. I will explain this idea and how it can be used to estimate the dimension of quadratic Julia sets.

https://ucd-ie.zoom.us/j/65906449632

Further Information

-------------------------------------------------------------
For other seminars in the Analysis series, click http://maths.ucd.ie/seminarseries/Analysis

-------------------------------------------------------------
The following formats the above notice so as to be included in the mathdep google calendar

title:: Pressure and the Hausdorff dimension of Julia sets
content:: Neil Dobbs
:: UCD Analysis seminar (http://maths.ucd.ie/seminarseries/Analysis)
location:: E0.32 (beside Pi restaurant)
date-time:: Tue 10th September 2024 at 3:00PM
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boundary="_000_AM9PR07MB7827F0F85458657D62608680AE9D2AM9PR07MB7827eurp_" MIME-Version: 1.0 X-OriginatorOrg: qub.ac.uk X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM9PR07MB7827.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7acc3698-fcb8-49b3-dbe0-08dccd84fa4f X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Sep 2024 08:30:19.8173 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: eaab77ea-b4a5-49e3-a1e8-d6dd23a1f286 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Fa7bClXO3ejAOwvVMcTj/Jbbnpc9YJzEe3cyWZDV7bRufJd5r3xS9tO8hg9QO4gAAYOSI86crbnudenRmUYWUQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8PR07MB8059 Message-ID: Date: Thu, 5 Sep 2024 08:30:19 +0000 Reply-To: Martin Mathieu Sender: PRIVATE-DISTRIBUTION-LIST-FOR-THE-IRISH-MATHEMATICAL-SOCIETY From: Martin Mathieu Subject: maths: IMS2024---conference picture Comments: To: "mathdep listserv.heanet.ie" To: IMS-MEMBERS LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: List-Archive: --_000_AM9PR07MB7827F0F85458657D62608680AE9D2AM9PR07MB7827eurp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear IMS2024 conference participant, Thank you once again for attending last week's Annual Meeting of the Irish = Mathematical Society and turning it into a great success. Thank you too for= several congratulatory feedback emails. At this link you find the conference picture which shows nearly all attendees. I hope you made it safely home and see you again next year, maybe. Best wishes, Martin The local Organising Committee Martin Mathieu, Thomas H=FCttemann and Salissou Moutari. (Apologies if you receive this through various email lists.) ---------------------------------------------------------------------------= ------ Prof. Dr. Martin Mathieu, MRIA Professor of Pure Mathematics 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_AM9PR07MB7827F0F85458657D62608680AE9D2AM9PR07MB7827eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Dear IMS2024 conference participant,

Thank you once again for attending last week’s Annual Meeting of= the Irish Mathematical Society and turning it into a great success. Thank = you too for several congratulatory feedback emails.

At this link you find the c= onference picture which shows nearly all attendees.

I hope you made it safely home and see you again next year, maybe.

Best wishes,

Martin

The local Organising Committee

Martin Mathieu, Thomas H=FCttemann and Salissou Moutari.

(Apologies if you receive this through various email lists.)

--------------------------= -------------------------------------------------------=

Prof. Dr. Martin Mathieu, = MRIA

Professor of Pure Mathemat= ics

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.u= k

URL h= ttp://maths.martinmathieu.net=

Tel +44 28 9097 1321

Fax +44 28 9097 1541

Mob +44 7976 758908=

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boundary="_000_AM9PR07MB7827F0F85458657D62608680AE9D2AM9PR07MB7827eurp_" MIME-Version: 1.0 X-OriginatorOrg: qub.ac.uk X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM9PR07MB7827.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7acc3698-fcb8-49b3-dbe0-08dccd84fa4f X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Sep 2024 08:30:19.8173 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: eaab77ea-b4a5-49e3-a1e8-d6dd23a1f286 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Fa7bClXO3ejAOwvVMcTj/Jbbnpc9YJzEe3cyWZDV7bRufJd5r3xS9tO8hg9QO4gAAYOSI86crbnudenRmUYWUQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8PR07MB8059 Message-ID: Date: Thu, 5 Sep 2024 08:30:19 +0000 Reply-To: Martin Mathieu Sender: UCD Maths Department Distribution List From: Martin Mathieu Subject: maths: IMS2024---conference picture Comments: cc: "IMS-MEMBERS listserv.heanet.ie" To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --_000_AM9PR07MB7827F0F85458657D62608680AE9D2AM9PR07MB7827eurp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear IMS2024 conference participant, Thank you once again for attending last week's Annual Meeting of the Irish = Mathematical Society and turning it into a great success. Thank you too for= several congratulatory feedback emails. At this link you find the conference picture which shows nearly all attendees. I hope you made it safely home and see you again next year, maybe. Best wishes, Martin The local Organising Committee Martin Mathieu, Thomas H=FCttemann and Salissou Moutari. (Apologies if you receive this through various email lists.) ---------------------------------------------------------------------------= ------ Prof. Dr. Martin Mathieu, MRIA Professor of Pure Mathematics 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_AM9PR07MB7827F0F85458657D62608680AE9D2AM9PR07MB7827eurp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Dear IMS2024 conference participant,

Thank you once again for attending last week’s Annual Meeting of= the Irish Mathematical Society and turning it into a great success. Thank = you too for several congratulatory feedback emails.

At this link you find the c= onference picture which shows nearly all attendees.

I hope you made it safely home and see you again next year, maybe.

Best wishes,

Martin

The local Organising Committee

Martin Mathieu, Thomas H=FCttemann and Salissou Moutari.

(Apologies if you receive this through various email lists.)

--------------------------= -------------------------------------------------------=

Prof. Dr. Martin Mathieu, = MRIA

Professor of Pure Mathemat= ics

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.u= k

URL h= ttp://maths.martinmathieu.net=

Tel +44 28 9097 1321

Fax +44 28 9097 1541

Mob +44 7976 758908=

--_000_AM9PR07MB7827F0F85458657D62608680AE9D2AM9PR07MB7827eurp_-- From owner-mathdep LISTSERV.HEANET.IE Mon Sep 9 14:21:41 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.3 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Mon, 9 Sep 2024 14:09:10 +0100 Reply-To: Seminars Maths NUIG Sender: UCD Maths Department Distribution List From: Seminars Maths NUIG Subject: Maths: Seminar Uni Galway: =?UTF-8?Q?=E2=80=9CNew_tools_for_analyzing_genome-wide_association_stu?= =?UTF-8?Q?dy_data=E2=80=9D_=28Thursday=29_and_=E2=80=9CGraphical_tools?= =?UTF-8?Q?_for_selecting_conditional_instrumental_sets=E2=80=9D_?=(Friday) To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: --0000000000002887480621af7721 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear All, We will have two seminars this week: Thursday 12th September at 3pm and Fri= day 13th September at 3pm, both in ADB1020. On Thursday, Doug Speed, from Arhus University, will speak on =E2=80=9CNew tools for analyzing genome-wide association study data=E2=80= =9D Abstract: I will describe some statistical tools for analyzing GWAS data, implemented within my software package LDAK (www.dougspeed.com). These include tools for mixed-model association testing (used to detect variants associated with a trait) and for constructing polygenic risk scores (used to create genetic prediction models of diseases). Contact: Cathal Seoighe On Friday, Leonard Hencke from University College Dublin will speak on =E2=80=9CGraphical tools for selecting conditional instrumental sets=E2=80= =9D Abstract: Instrumental variables are an important tool for estimating causal effects in the presence of unmeasured confounding. However, it is also well-known that instrumental variable estimators tend to be inaccurate. In response we consider the problem of how to graphically characterize conditional instrumental sets that are valid and also efficient in linear structural equation models compatible with a known acyclic directed mixed graph. We first characterize the class of all valid conditional instrumental sets for the target total effect and provide a graphical criterion that, for certain pairs of valid conditional instrumental sets, identifies which of the two corresponding estimators has the smaller asymptotic variance. We then use these two results to characterize a valid conditional instrumental set for which the corresponding estimator has the smallest asymptotic variance that can be ensured with a graphical criterion. Contact: Nicola Fitz-Simon Hoping to see you all there, Haixuan and Nastaran --0000000000002887480621af7721 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear All,=C2=A0

We will have two sem= inars this week:=C2=A0Thursday 12th=C2=A0September at 3pm and=C2=A0Friday 13th=C2=A0September=C2=A0at 3pm, bo= th in ADB1020.
=C2=A0
O= n Thursday, Doug Speed, from Arhus University, will speak on
=E2=80=9CNe= w tools for analyzing genome-wide association study data=E2=80=9D
Abstract: I will describe some statistical tools for analy= zing GWAS data, implemented within my software package LDAK (www.dougspeed.com). These include tools for mix= ed-model association testing (used to detect variants associated with a tra= it) and for constructing polygenic risk scores (used to create genetic pred= iction models of diseases).
Contact: Cathal Seoig= he
=C2=A0
On Friday, Le= onard Hencke from University College Dublin will speak on
=E2=80=9CGraph= ical tools for selecting conditional instrumental sets=E2=80=9D
Abstract: Instrumental variables are an important tool for e= stimating causal effects in the presence of unmeasured confounding. However= , it is also well-known that instrumental variable estimators tend to be in= accurate. In response we consider the problem of how to graphically charact= erize conditional instrumental sets that are valid and also efficient in li= near structural equation models compatible with a known acyclic directed mi= xed graph. We first characterize the class of all valid conditional instrum= ental sets for the target total effect and provide a graphical criterion th= at, for certain pairs of valid conditional instrumental sets, identifies wh= ich of the two corresponding estimators has the smaller asymptotic variance= . We then use these two results to characterize a valid conditional instrum= ental set for which the corresponding estimator has the smallest asymptotic= variance that can be ensured with a graphical criterion.=C2=A0
Contact: Nicola Fitz-Simon
=C2=A0<= /p>
Hoping to see you all there,
Haixuan and Nastaran
--0000000000002887480621af7721-- From owner-mathdep LISTSERV.HEANET.IE Mon Sep 9 21:42:15 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Mon, 9 Sep 2024 21:29:33 +0100 Reply-To: "Denjoe O'Connor" Sender: UCD Maths Department Distribution List From: "Denjoe O'Connor" Subject: maths:DIAS zoominar Sept 12th-Learning Theory-Informed Priors for Bayesian Inference: A Case Study with Early Dark Energy by Michael Toomey To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --111151493-1454337690-1724068123=:2885040 Content-Type: text/plain; charset=ISO-8859-7; format=flowed Content-Transfer-Encoding: 8BIT Content-ID: Dear Colleagues, please join us for our upcoming special Theoretical Physics Seminar at 14:30 Thursday Sept 12th by Michael Toomey. The seminar will be in person in the lecture theatre 10 Burlington Road and on Zoom via the link: Date: Thursday Sept 12th Time: 14:30 https://us02web.zoom.us/j/6199730148?pwd=SjVGcTJWQmZZNndHenMyRStsL0lKdz09 Meeting ID: 619 973 0148 Password: 122512 Michael Toomey MIT Title: Learning Theory-Informed Priors for Bayesian Inference: A Case Study with Early Dark Energy Abstract: Cosmological models are often formulated in the language of particle physics, using quantities like the axion decay constant, but tested against data using physical quantities such as energy density ratios, with uniform priors assumed on these quantities. This standard approach overlooks important theory-driven priors, including constraints from fundamental physics, like particle physics and string theory, which often favor sub-Planckian axion decay constants. In this talk, I will present a novel method for learning theory-informed priors for Bayesian inference using normalizing flows (NF), a flexible generative machine learning technique. NFs allows us to generate priors on model parameters in cases where analytic expressions are unavailable or difficult to compute. I'll demonstrate this technique with an application to early dark energy (EDE), a model that has gained attention in the context of the Hubble tension. First, I�ll validate our NF-based approach using the limited theory-based constraints available for EDE, and then, leveraging the computational efficiency of NFs, I'll showcase how we achieve some of the most stringent constraints on EDE when incorporating large-scale structure likelihoods. This talk will highlight the versatility of NFs in Bayesian inference in cosmology (and beyond) and how NFs and other generative machine learning techniques can help bridge the gap between theoretical models and data analysis. With best wishes, Denjoe --111151493-1454337690-1724068123=:2885040-- From owner-mathdep LISTSERV.HEANET.IE Wed Sep 11 16:02:51 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on maths.ucd.ie X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Date: Wed, 11 Sep 2024 14:49:46 +0000 Reply-To: hahnma MATHS.TCD.IE Sender: UCD Maths Department Distribution List From: hahnma MATHS.TCD.IE Subject: TCD Dublin Mathematics Colloquium =?utf-8?Q?=E2=80=93_?=12 September To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: ----=_RainLoop_181_151261915.1726066186 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Dear all, It is our pleasure to invite you to this week=E2=80=99s Dublin Mathematic= s Colloquium (https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~d= mc/)) which takes places on Thursday 12 September, 4pm in the Salmon lect= ure theatre. This week, our first speaker is Wend Werner (University of M= =C3=BCnster) , who will speak about: title: Enveloping algebras of bounded Hilbert space operators abstract: Viewing the enveloping algebra U(g) of a Lie algebra g as an al= gebra of physical invariants it is of interest to see under what circumst= ances the elements of U(g) act as bounded operators on a Hilbert space. I= t turns out that this is true if and only if g is nilpotent. We outline the basic ideas leading to this result and sketch where we wo= uld like to go from here. Best regards, Florian Naef and Marvin Anas Hahn title:: Dublin Mathematics Colloquium content:: Wend Werner will speak on :: Enveloping algebras of bounded Hilbert space operators =E2=80=8B=E2=80= =8B=E2=80=8B=E2=80=8B=E2=80=8B=E2=80=8B =E2=80=8B=E2=80=8B :: https://www.maths.tcd.ie/~dmc/ (https://www.maths.tcd.ie/~dmc/) date-time:: Thursday, September 21 at 4:00pm location:: Salmon Lecture Theatre, Hamilton Building, TCD ----=_RainLoop_181_151261915.1726066186 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

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Dear all,

It is our pleasure to invite you to= this week=E2=80=99s Dublin Mathematics Colloquium (https://www.maths.tcd.ie/~dmc/) whi= ch takes places on Thursday 12 September, 4pm in the <= b>Salmon lecture theatre. This week, our first speaker is Wend Werner (University of M=C3=BCnste= r) , who will speak about:

title: Enveloping algebras of bounded Hilbert space operator= s
abstract: Viewing the enveloping algebra U(g) of a Lie alge= bra g as an algebra of physical invariants it is of interest to see under= what circumstances the elements of U(g) act as bounded operators on a Hi= lbert space. It turns out that this is true if and only if g is nilpotent= .
We outline the basic ideas leading to this result and sketch where we= would like to go from here.

Best = regards,
Florian Naef and Marvin Anas Hahn

title:: Dublin Mathematics Colloquium
content:: Wend Werner will = speak on
:: Enveloping algeb= ras of bounded Hilbert space operators =E2=80=8B=E2=80=8B=E2=80=8B=E2=80= =8B=E2=80=8B=E2=80=8B =E2=80=8B=E2=80=8B
:: https://www.maths.tcd.ie/~dmc/
date-time:: Thursday, September= 21 at 4:00pm
location:: Salmon Lecture Theatre, Hamilton Building, TC= D