new Maths Ireland blog on Irish postgraduates 1910-1959
"In the period up to 1960, Irish p= ostgraduates trained overseas with=20 talents as diverse as Picard, Bateman, Levi-Civita, Baker, Whittaker=20 (who had worked at TCD), Hardy & Littlewood, Born, Smithies, Artin,=20 Wright, Hayman, Higman, Besicovitch, and Feller"
More at=C2=A0http://www.mathsireland.ie/blog/2017_03_cm
Co= rrections and comments welcome as always.
<= div>
Colm Mulcahy, Professor of Mathematics, Spelman = College,=C2=A0Sci 154, PO Box 953, Atlanta, GA 30314, USA, (404) 270-5837, = colm spelman.ed= u,=C2=A0www.cardcolm.org, cardcolm=C2=A0Spelman Mathematic= s Facts / Gathering=C2=A04 Gardner VP=C2=A0/ Annals of Irish Maths=C2=A0/ Mathematical Car= d Magic: Fifty-Two New Effects=C2=A0
--f403045f8934ddb0e3054c471b47-- From owner-mathdep LISTSERV.HEANET.IE Tue Apr 4 09:37:29 2017 Return-Path: Date: Tue, 4 Apr 2017 08:37:12 +0000 Reply-To: Ivan Todorov Sender: UCD Maths Department Distribution List From: Ivan Todorov Subject: maths: Pure Maths Colloquium at Queen's To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 10 --_000_A54120DB5F42C0428D5C4A9F2A5575059C688539EX2K10MBX7adsqu_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable The next meeting of the Pure Mathematics Colloquium at Queen's will take pl= ace at 2pm on Friday 7 April in room DBB 0G.005. The speaker will be Iva Ha= lacheva from Lancaster University. Title: Higher Schur-Weyl duality for the periplectic Lie superalgebra p(n) Abstract: In classical Schur-Weyl duality for the Lie algebra gl(n), the en= domorphism algebras of certain gl(n)-representations coming from the standa= rd representation are described in terms of the symmetric group. Arakawa an= d Suzuki=92s work uses an augmentation of the symmetric group, the degenera= te affine Hecke algebra and its cyclotomic quotients, to capture the inform= ation of more general representations. This framework was subsequently exte= nded by Ehrig and Stroppel to the Lie algebra so(2n), where the Brauer alge= bras and affine VW-algebras play an analogous role. We will discuss the Lie= superalgebra p(n) and the role the odd Brauer and VW-algebras play in desc= ribing its representation theory. The main ingredient will be a surprising = quadratic Casimir element constructed using both p(n) and gl(n|n). Tea and biscuits will be served in the same room after the talk. Everyone is welcome! --_000_A54120DB5F42C0428D5C4A9F2A5575059C688539EX2K10MBX7adsqu_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
The nex= t meeting of the Pure Mathematics Colloquium at Queen's will take place at = 2pm on Friday 7 April in room DBB 0G.005. The speaker will be Iva Halacheva= from Lancaster University.
Title: Higher Schur-Weyl duality for = the periplectic Lie superalgebra p(n)
Abstract: In classical Schur-Weyl duality = for the Lie algebra gl(n), the endomorphism algebras of certain gl(n)-repre= sentations coming from the standard representation are described in terms o= f the symmetric group. Arakawa and Suzuki=92s work uses an augmentation of the symmetric group, the degenerate affi= ne Hecke algebra and its cyclotomic quotients, to capture the information o= f more general representations. This framework was subsequently extended by= Ehrig and Stroppel to the Lie algebra so(2n), where the Brauer algebras and affine VW-algebras play an analogous= role. We will discuss the Lie superalgebra p(n) and the role the odd Braue= r and VW-algebras play in describing its representation theory. The main in= gredient will be a surprising quadratic Casimir element constructed using both p(n) and gl(n|n).
T= ea and biscuits will be served in the same room after the talk.&n= bsp;
Everyone is welcome!
--_000_A54120DB5F42C0428D5C4A9F2A5575059C688539EX2K10MBX7adsqu_-- From owner-mathdep LISTSERV.HEANET.IE Tue Apr 4 14:46:44 2017 Return-Path: Date: Tue, 4 Apr 2017 14:45:45 +0100 Reply-To: Kwok Chuen Wong Sender: UCD Maths Department Distribution List From: Kwok Chuen Wong Subject: maths: DCU Mathematical Finance Seminar (E. Mayerhofer) To: MATHDEP LISTSERV.HEANET.IE Precedence: list List-Help: , List-Unsubscribe: List-Subscribe: List-Owner: Status: O X-Status: X-Keywords: X-UID: 11 --001a1137854481d5eb054c57807f Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Dear Colleagues, We will have Mathematical Finance seminar this Friday: Everybody welcome, Ryan title:: DCU Math Finance (Eberhard Mayerhofer, UL) content:: Wishart distributions are the natural extension of chi-square :: and gamma distributions to the cone of positive semi-definite matirces, :: and they include the distributions of covariance matrices of normal samples. :: A novel approach that analyzes the action of affine Markovian semigroups :: on elementary symmetric polynomials allows to fully characterize the :: maximal parameter domain of non-central Wishart distributions. The Mayerhofer conjecture :: (2011, see http://www.cimpa.info/IMG/pdf/Cours_Mayerhofer_Hammamet.pdf) :: that links the rank of the non-centrality parameter to the magnitude of the shape parameter is proved. :: Besides, we completely understand why matrix-valued Bessel Squared processes hit the irregular boundary :: of the cone of positive semi-definite matrices, where they scratch along and ultimately cease to exist, :: unless a subtle drift condition is fulfilled. date-time:: 07th April at 11:00am location:: DCU Business School, QG27 endevent:: --=20 *S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s= eo agus aon chomhad a sheoltar leis faoi r=C3=BAn agus is lena =C3=BAs=C3= =A1id ag an seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuillea= dh a l=C3=A9amh anseo. = This e-mail and any files transmitted with it are confidential and are inte= nded solely for use by the addressee. Read more here. * --=20 =20 =20 =20 --001a1137854481d5eb054c57807f Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Dear Colleagues,

We will have Mathematical Finance = seminar this Friday:

Everybody welcome,

Ryan

title:: D= CU Math Finance (Eberhard Mayerhofer, UL)
content:: Wishart distribution= s are the natural extension of chi-square
:: and gamma distributions to= the cone of positive semi-definite matirces,
:: and they include the d= istributions of covariance matrices of normal samples.
:: A novel appro= ach that analyzes the action of affine Markovian semigroups
:: on eleme= ntary symmetric polynomials allows to fully characterize the
:: maximal= parameter domain of non-central Wishart distributions. The Mayerhofer conj= ecture
:: (2011, see http://www.cimpa.info/IMG/pdf/Cours_Mayerhofer_Hammam= et.pdf)
:: that links the rank of the non-centrality parameter to t= he magnitude of the shape parameter is proved.
:: Besides, we completel= y understand why matrix-valued Bessel Squared processes hit the irregular b= oundary
:: of the cone of positive semi-definite matrices, where they s= cratch along and ultimately cease to exist,
:: unless a subtle drift co= ndition is fulfilled.

date-time:: 07th April at 11:00am
loca= tion:: DCU Business School, QG27
endevent::
S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
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 seola=C3=AD agus sin amh=C3=A1in =C3=A9. Is f=C3=A9idir tuilleadh a l=
=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.







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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  4 15:12:47 2017
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Date:         Tue, 4 Apr 2017 15:11:16 +0100
Reply-To:     Ruth Britto 
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From:         Ruth Britto 
Subject: maths: Theoretical Physics Seminar - TCD - Thurs 13 April
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TCD THEORETICAL PHYSICS SEMINAR

Thursday, 13 April 2017, 2:00 pm

Seminar Room, House 20
School of Mathematics 
Trinity College Dublin

Speaker: Gustav Mogull (Edinburgh)

Title: Two-Loop Fundamental Colour-Kinematics Duality

Abstract: 

The study of loop-level scattering amplitudes in (super-)Yang-Mills theories has seen enormous progress over the last decade or so.  Unfortunately, many of these developments are limited to the planar limit which consists of only planar Feynman diagrams.  Meanwhile, loop-level (super-)gravity amplitudes are difficult to calculate with ordinary Feynman diagrams.  In this talk I will introduce Bern, Carrasco & Johansson’s (BCJ’s) colour-kinematics duality.  The duality recycles planar tree-level amplitudes into full-colour loop-level amplitudes, while also giving loop-level gravity amplitudes by a double copy.  I will also discuss the inclusion of fundamental matter multiplets, and apply these techniques to N=2 supersymmetry with extra hypermultiplets at two-loop order.


All are welcome.

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

title:: TCD Theoretical Physics Seminar
content::Gustav Mogull (Edinburgh)
::Two-Loop Fundamental Colour-Kinematics Duality::
date-time:: 13 April 2017 at 2:00pm
location::Seminar Room House 20, TCD
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  4 22:42:36 2017
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Date:         Tue, 4 Apr 2017 22:42:18 +0100
Reply-To:     Manuela Kulaxizi 
Sender:       UCD Maths Department Distribution List 
From:         Manuela Kulaxizi 
Subject: maths: NO DUBLIN THEORETICAL PHYSICS COLLOQUIUM TOMORROW
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--f4030435bfdc74f2b4054c5e2654
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Dear all,

Due to a late cancellation, there will be* NO Dublin Theoretical Physics
Colloquium tomorrow.*

My sincere apologies,

See you all in late September/October!


Kind Regards,
Manuela





Manuela Kulaxizi
School of Mathematics
Trinity College Dublin
Dublin 2,
Ireland
tel:+353 1 896 1211

--f4030435bfdc74f2b4054c5e2654
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Dear all,

Due to a late=C2=A0cancellation, there will be=C2=A0NO Dublin Th=
eoretical Physics Colloquium tomorrow.
=

My sincere apologies,

See you all in late September/October!

Kind Regards,
Manuela<=
/div>




Manuela Kula=
xiziSchool of Mathematics
Trinity College Dublin
D=
ublin 2,
Ireland
tel:+353 1 896 1211
























--f4030435bfdc74f2b4054c5e2654--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr  5 23:07:44 2017
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Date:         Wed, 5 Apr 2017 18:07:26 -0400
Reply-To:     Martin Bridgeman 
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From:         Martin Bridgeman 
Subject: maths: The 13th William Rowan Hamilton Geometry and Topology Workshop, on Geometry and Dynamics of Moduli Spaces, at the HMI, Dublin, August 22-26, 2017
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The 13th William Rowan Hamilton Geometry and Topology Workshop
                      August 22-26, 2017
  The Hamilton Mathematics Institute, Trinity College Dublin
                            on
*    Geometry and Dynamics of Moduli Spaces*

Sponsors: Boston College, the GEAR Network, the Hamilton Mathematics
Institute, and the National Science Foundation.

This is the first announcement for the 13th William Rowan Hamilton Geometry
and Topology Workshop to be held at the Hamilton Mathematics Institute
(HMI), in Trinity College Dublin Ireland. The workshop will consist of a
two day mini-course August 22-23, followed by a three day lecture
series, August
24-26, 2017.

This year's topic for the workshop is* Geometry and Dynamics of Moduli
Spaces*

*Mini-course**:*

This year=E2=80=99s mini-course will be given by Jayadev Athreya (Seattle) =
and
Elise Goujard (Orsay) on *Volumes of moduli spaces of meromorphic
differentials.* The mini-course will run August 22-23 and consist of a
two-day series of lectures and discussions. The target audience is graduate
students and junior researchers.

*Lecture Series:*
The lecture series will be August 24-26. Speakers include

Paul Apisa (Chicago)
Matt Bainbridge (Indiana)
Maxime Bourque (Toronto)
Viveka Erlandsson (Aalto)
Vaibhav Gadre (Glasgow)
Alex Eskin (Chicago)
Sarah Koch (Michigan)
Ania Lenzhen (Rennes)
Ronen Mukamel (Rice)
Kathryn Lindsey (Boston College)
John Smillie (Warwick)
Franco Vargas Pallete (Berkeley)
Kasra Rafi (Toronto)
Anton Zorich (Jussieu)*
*to be confirmed

There will also be scheduled discussion and problem sessions.

*Funding and Sponsors:*
The workshop is co-sponsored by Boston College, the GEAR Network, the HMI
and NSF funding through CAREER Grant DMS-1350396. Funding is available for
graduate students and junior researchers wishing to attend the mini-course
and workshop. A limited amount of funding is also available for both junior
and senior researchers wishing to attend the workshop. If you would like to
request travel support you can do so on the workshop website at
http://www.maths.tcd.ie/~hmi/events/gt/gt2017/register.htm

*Organizing Committee:*
Ian Biringer (Boston College), Noel Brady (Oklahoma), Martin Bridgeman
(Boston College), Martin Bridson (Oxford), Dawei Chen (Boston College),
Brendan Guilfoyle (Tralee), Andreea Nicoara (Trinity College Dublin)

*Workshop website: *http://www.maths.tcd.ie/~hmi/events/gt/gt2017.htm

--94eb2c07ddc82860ca054c729eb7
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

The 13th William Rowan Hamilton Geometry and Topology Workshop
=C2=A0=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Augu=
st 22-26, 2017
=C2=A0=C2=A0The Hamilton Mathematics Institute, Trin=
ity College Dublin
=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 on
=C2=A0 =C2=A0=C2=A0Geometry=
 and Dynamics of Moduli Spaces

Sponsors: Boston College, the GEAR Netwo=
rk, the Hamilton Mathematics Institute, and the=C2=A0National Science Found=
ation.

This is the first announcement for the 13th William Rowan H=
amilton=C2=A0Geometry and Topology Workshop to be held at the Hamilton Math=
ematics=C2=A0Institute (HMI), in Trinity College Dublin Ireland. The worksh=
op will consist of a two day mini-course=C2=A0Aug=
ust 22-23, followed=C2=A0by a=C2=A0three day lecture series,=
=C2=A0August 24-26, 2017.

=
This year's topic for the workshop is=C2=A0Geometry and Dynamics of =
Moduli Spaces

Mini-course:
This year=E2=80=99s mini-course will=
 be given by Jayadev Athreya (Seattle) and Elise Goujard (Orsay) on=C2=A0Volumes of moduli spaces of meromorphic differentials.=C2=A0The mini-c=
ourse will run=C2=A0August 22-23=C2=
=A0and consist of a two-day series=C2=A0of lectures and discussions.=C2=A0T=
he target audience is graduate students and junior=C2=A0researchers.<=
div>
Lecture Series:
The lecture series will be=C2=A0August 24-26. Speakers include

Paul Apisa (Chicago) =C2=A0 =C2=A0=
 =C2=A0 =C2=A0
Matt Bainbridge (Indiana) =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0<=
div style=3D"margin:0px;font-family:arial;color:rgb(35,35,35)">Maxime Bourq=
ue (Toronto) =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0
Viveka Erlandsson (Aalto) =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
Vaibhav Gadre (Glasgow) =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
Alex Eskin (Chicago)
Sarah Koch (Michigan) =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
Ania Lenzhen (Rennes) =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0
Ronen Mukamel (Rice)
Kathryn Lindsey (Boston College) =C2=A0 =C2=A0=
=C2=A0
John Smillie (Warwick)
Franco Vargas Pallete (Berkeley) =C2=A0 =C2=A0 =C2=A0 =C2=
=A0
Ka=
sra Rafi (Toronto) =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<=
/div>Anton =
Zorich (Jussieu)*
*to be confirmed

There will also be scheduled discussion and p=
roblem sessions.

Funding and Sponsors:
The workshop is co-sponsored by Boston Col=
lege, the GEAR Network, the HMI and NSF funding through CAREER Grant DMS-13=
50396.=C2=A0Funding is available for graduate students and junior researche=
rs=C2=A0wishing to attend the mini-course and workshop. A limited amount of=
=C2=A0funding is also available for both junior and senior researchers=C2=
=A0wishing to attend the workshop. If you would like to request travel=C2=
=A0support you can do so on the workshop website at=C2=A0http://www.maths.tcd.ie/~hmi/events/gt/gt2017/register.htm<=
/span>

Organizing Committee:
Ian Biringer (Boston College), Noel =
Brady (Oklahoma), Martin Bridgeman (Boston College), Martin Bridson (Oxford=
), Dawei Chen (Boston College), Brendan Guilfoyle (Tralee), Andreea Nicoara=
 (Trinity College Dublin)

W=
orkshop website:=C2=A0http://www.maths.tcd.ie/~h=
mi/events/gt/gt2017.htm



--94eb2c07ddc82860ca054c729eb7--

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  6 09:01:00 2017
Return-Path: 
Date:         Thu, 6 Apr 2017 09:00:44 +0100
Reply-To:     John Regan 
Sender:       UCD Maths Department Distribution List 
From:         John Regan 
Subject: Maths: CFAR Seminar Series DCU, Tuesday April 11th
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This is a multi-part message in MIME format.
--------------755D6555052BD70AC038C6FC
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Content-Transfer-Encoding: quoted-printable

Centre for Astrophysics & Relativity

www.cfar.ie

Speaker: *Dr. Matt Kenworthy, Leiden University*

Title: *Looking for circumplanetary material around a giant exoplanet=20
with bRing - The beta Pictoris b Ring project*

Abstract:/
/
/In 2007, the 20 million year old pre-main sequence star J1407/
/underwent a complex series of eclipses lasting two months, showing/
/temporal structure down to a timescale of 20 minutes. We interpret/
/this as a giant ring system (some 200 times larger than Saturn's/
/rings) surrounding an unseen secondary companion, J1407b, that is/
/being sculpted by forming exomoons./
/
/
/In mid-2017, the Hill sphere of the young exoplanet orbiting the/
/bright southern hemisphere star beta Pictoris will transit, presenting/
/a unique opportunity to search for Hill sphere filling rings and to/
/perform transmission spectroscopy of the circumplanetary material./
/
/
/I will present our observing campaign for beta Pictoris in 2017,/
/including the first results from our beta Pic b Ring (bRing) cameras/
/that will carry out continuous monitoring of this star throughout the/
/next 14 months./
/
/Date: Tuesday 11th April/

/Location: Lonsdale Building (X Building) Room X130, School of=20
Mathematical Sciences
https://www.dcu.ie/info/campus.shtml

//I hope you can all join us for what will no doubt be a fascinating talk./

/Best,
John/
/

--=20
John Regan

Marie Sklodowska-Curie Fellow
School of Mathematical Sciences
Dublin City University
www.johnregan.org


--=20




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


--=20

 =20
=20
=20


--------------755D6555052BD70AC038C6FC
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    Centre
          for Astrophysics & Relativity 

       
    www.cfar.ie

    
    Speaker: Dr. Matt Kenworthy, Leiden
        University 
    Title: Looking
          for circumplanetary material around a giant exoplanet with
          bRing - The beta Pictoris b Ring project
    Abstract:

        
    
      In 2007, the 20 million year old
            pre-main sequence star J1407
      underwent a complex series of
            eclipses lasting two months, showing
      temporal structure down to a
            timescale of 20 minutes. We interpret
      this as a giant ring system (some
            200 times larger than Saturn's
      rings) surrounding an unseen
            secondary companion, J1407b, that is
      being sculpted by forming exomoons.

      

          
      In mid-2017, the Hill sphere of the
            young exoplanet orbiting the
      bright southern hemisphere star beta
            Pictoris will transit, presenting
      a unique opportunity to search for
            Hill sphere filling rings and to
      perform transmission spectroscopy of
            the circumplanetary material.
      

          
      I will present our observing
            campaign for beta Pictoris in 2017,
      including the first results from our
            beta Pic b Ring (bRing) cameras
      that will carry out continuous
            monitoring of this star throughout the
      next 14 months.
    

     

        Date: Tuesday 11th April=


          

        Location: Lonsdale Building (X
      Building) Room X130, School of Mathematical Sciences

      https://www.dcu.ie/in=
fo/campus.shtml

      

     =
I hope you can all join us for what will no doubt be a
      fascinating talk.

          

        Best,

      John

        

    --=20
John Regan

Marie Sklodowska-Curie Fellow
School of Mathematical Sciences
Dublin City University
www=
.johnregan.org
  




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







--------------755D6555052BD70AC038C6FC--

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  6 12:40:32 2017
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Date:         Thu, 6 Apr 2017 12:40:06 +0100
Reply-To:     "Richard M. Timoney" 
Sender:       UCD Maths Department Distribution List 
From:         "Richard M. Timoney" 
Subject: maths: No Analysis seminar next Tuesday 11/4
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This is to let you know that the talks advertised for this coming week
won't go ahead then for various reasons.

Talks for April 18th and 25th will be advertised later.

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

Yours,

Richard

-- 
Richard M. Timoney
		  (richardt maths.tcd.ie)       Tel. +353-1-896 1196
        School of Mathematics, Trinity College, Dublin 2, Ireland
WWW http://www.maths.tcd.ie/~richardt		FAX  +353-1-896 2282

title:: ANALYSIS SEMINAR
content:: Both talks cancelled/postponed
date-time:: Tuesday 11th April  at 3:00pm
location:: UCD  Ag. 1.01
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  7 10:26:09 2017
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Date:         Fri, 7 Apr 2017 10:25:53 +0100
Reply-To:     Sergey Mozgovoy 
Sender:       UCD Maths Department Distribution List 
From:         Sergey Mozgovoy 
Subject: maths: TODAY - Dublin Mathematics Colloquium
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Dublin Mathematics Colloquium

Friday, April 7 at 3:00pm
Salmon Theatre, Hamilton Building, TCD

Speaker: Kobi Kremnitzer (Oxford University)

Title: Constructing geometries

Abstract:
A possible approach to solving certain mathematical problems is to
construct a new geometry which is suitable to the problem. The main
motivating example is the attempt to construct a geometry in which the
integers become a "continuous" object (over the field with one element) as
an approach to solving the Riemann Hypothesis. In this talk I will explain
what do I mean by geometry and different ways of constructing new
geometries. I will also give some examples of applications to number
theory, analytic geometry and quantum field theory.

--94eb2c04316a4e4c18054c9036b1
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<=
div class=3D"gmail_quote">Dublin Mathematics Colloquium
Friday, April 7 at 3:00pm
Salmon Theatre, Ha=
milton Building, TCD

Speaker: Kobi Kremnitzer (Oxford University)
Title: Constructing geometries

Abstract:A possible approach to solving certain mathematical prob=
lems is to construct a new geometry which is suitable to the problem. The m=
ain motivating example is the attempt to construct a geometry in which the =
integers become a "continuous" object (over the field with one el=
ement) as an approach to solving the Riemann Hypothesis. In this talk I wil=
l explain what do I mean by geometry and different ways of constructing new=
 geometries. I will also give some examples of applications to number theor=
y, analytic geometry and quantum field theory.



--94eb2c04316a4e4c18054c9036b1--

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Date:         Fri, 7 Apr 2017 10:28:20 +0000
Reply-To:     Lars Pforte 
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Subject: maths: Colloquium of the Department of Mathematics and Statistics at Maynooth University
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Colloquium of the Department of Mathematics and Statistics at Maynooth Univ=
ersity

Wednesday, 12th April, 4pm in MS 2 in Logic House

Speaker: Prof. Christoforos Neofytidis, University of Binghamton

Title: Aspherical manifolds and maps of non-zero degree

Please find an abstract here .


title:: Maynooth Maths-Stats Colloquium
content:: Prof. Christoforos Neofytidis
:: University of Binghamton
:: presents a talk entitled "Aspherical manifolds and maps of non-zero degr=
ee"
date-time:: April 12, 2017 at 4 p.m.
location:: Maynooth MS2 Logic House
endevent::

-----------------------------------------------
Dr. Lars Pforte
Department of Mathematics & Statistics
Maynooth University
Maynooth
Co. Kildare

Tel: +353 1 708 6544
Fax: +353 1 708 3913


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Colloquium of the Department of Mathematics and Statistics at Maynooth=
 University



Wednesday, 12th April, 4pm in MS 2 in Logic House

  

Speaker: Prof. Christoforos Neofytidis, University of Binghamton



Title: Aspherical manifolds and maps of non-zero degree



Please find an abstract here
 .





title:: Maynooth 
Maths-Stats Colloquium

content:: Prof. Christoforos Neofytidis

:: University of Binghamton

:: presents a talk entitled "Aspherical manifolds and maps of no=
n-zero degree"

date-time:: April 12, 2017 at 4 p.m.

location:: Maynooth MS2 Logic House

endevent::



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

Dr. Lars Pforte

Department of Mathematics & Statistics

Maynooth University

Maynooth

Co. Kildare



Tel: +353 1 708 6544

Fax: +353 1 708 3913 







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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  7 10:14:20 2017
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From:         Mikael Fremling 
Subject: MU Theoretical Physics Seminar -- Quantum spin liquids and Majorana metals -- Maria Hermanns
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On Tuesday (16:00) next week (11/04-17), Maria Hermanns, University of
Cologne will give a seminar at the department of Theoretical Physics,
Maynooth University.

Title:
Quantum spin liquids and Majorana metals

Abstract:
One of the most intriguing phenomena in strongly correlated systems is the
fractionalization of quantum numbers -- familiar examples include the
spin-charge separation in one-dimensional metallic systems, the
fractionalization of the electron in fractional quantum Hall states or the
emergence of monopoles in spin ice.

In this talk, I will discuss the fractionalization of magnetic moments in
spin-orbit entangled j=1/2 Mott insulators, in which the emergent degrees
of freedom are Majorana fermions. The latter form metallic states whose
precise character intimately depends on the underlying lattice structure.
The origin of such dichotomous states is elucidated by a family of exactly
solvable Kitaev-type models of frustrated quantum magnets in three
dimensions, which might be realized in a class of recently synthesized
Iridate compounds. In particular, these models provide the first analytical
tractable examples of long sought-after quantum spin liquids with a spinon
Fermi surface and even an entire new class of quantum spin liquids --
so-called Weyl spin liquids, in which the fractionalized degrees of freedom
form a topological Weyl-superconductor.

Place: Hall A - Arts Building - Maynooth University, North Campus

Hope to see you there!

Mikael Fremling
Department of Theoretical Physics
Maynooth University

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

title:: MU Theoretical Physics Seminar
content::  Maria Hermanns (University of Cologne)  will speak on Quantum
spin liquids and Majorana metals.
date-time:: 11nd April 2017 at 16:00
location:: Hall A - Arts Building - Maynooth University, North Campus

--001a114e3302deefe9054c900b7c
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On Tuesday (16:00) next week (11/04-17), Maria Hermanns, U=
niversity of Cologne will give a seminar at the department of Theoretical P=
hysics, Maynooth University.

Title:
Quantum spin liquids and Majo=
rana metals

Abstract:
One of the most intriguing phenomena in str=
ongly correlated systems is the fractionalization of quantum numbers -- fam=
iliar examples include the spin-charge separation in one-dimensional metall=
ic systems, the fractionalization of the electron in fractional quantum Hal=
l states or the emergence of monopoles in spin ice.

In this talk, I =
will discuss the fractionalization of magnetic moments in spin-orbit entang=
led j=3D1/2 Mott insulators, in which the emergent degrees of freedom are M=
ajorana fermions. The latter form metallic states whose precise character i=
ntimately depends on the underlying lattice structure.
The origin of suc=
h dichotomous states is elucidated by a family of exactly solvable Kitaev-t=
ype models of frustrated quantum magnets in three dimensions, which might b=
e realized in a class of recently synthesized Iridate compounds. In particu=
lar, these models provide the first analytical tractable examples of long s=
ought-after quantum spin liquids with a spinon Fermi surface and even an en=
tire new class of quantum spin liquids -- so-called Weyl spin liquids, in w=
hich the fractionalized degrees of freedom form a topological Weyl-supercon=
ductor.

Place: Hall A - Arts Building - Maynooth University, North C=
ampus

Hope to see you there!

Mikael Fremling
Department of=
 Theoretical Physics
Maynooth University

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

title:: MU Theoretical Physics Seminar
content::=C2=A0 Maria H=
ermanns (University of Cologne)=C2=A0 will speak on Quantum spin liquids an=
d Majorana metals.
date-time:: 11nd April 2017 at 16:00
location:: Ha=
ll A - Arts Building - Maynooth University, North Campus




--001a114e3302deefe9054c900b7c--

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From:         Robert Osburn 
Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Clement Dupont (Montpellier)

Title: Linear forms in zeta values, and mixed Tate motives

Abstract: In order to study the diophantine properties of the values of the Riemann zeta functions at integers, one often needs to produce integrals that evaluate to linear forms in zeta values with rational coefficients. This is in particular the case in Beukers’s proof of Apéry’s theorem on zeta(3) or in Ball and Rivoal’s proof that infinitely many odd zeta values are irrational. In this talk, we will follow a program initiated by Brown which aims at explaining and producing such linear forms by means of algebraic geometry. More precisely, we will study a family of mixed Tate motives which underlies a family of integrals generalizing Ball and Rivoal's. In particular, the explicit computation of their period matrices gives integral formulas for the coefficients of the linear forms.

Date: Thursday, April 20, 2017
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Clement Dupont (Montpellier) will speak on
:: Linear forms in zeta values, and mixed Tate motives
date-time:: Thursday, April 20, 2017 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

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Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Helena Smigoc (UCD)

Title: From positive matrices to positive polynomial coefficients

Abstract: The nonnegative inverse eigenvalue problem, the problem of characterising all lists of eigenvalues of entry-wise nonnegative matrices, motivated the construction of matrices with nonnegative entries and a given set of eigenvalues. Constructions based on companion matrices proved one of the most fruitful approaches to this problem. We will review several different companion-type constructions, and learn about some extensions of classical results on the roots of polynomials developed in the process. The talk concludes with some related results on the coefficients of power series.

Date: Thursday, April 27, 2017
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Helena Smigoc (UCD) will speak on
:: From positive matrices to positive polynomial coefficients
date-time:: Thursday, April 27, 2017 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

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UCD Algebra and Number Theory Seminar

Speaker: Roozbeh Hazrat (Western Sydney University)

Title: Leavitt path algebras

Abstract: From a directed graph one can generate an algebra which captures the movements along the graph. One such algebras are Leavitt path algebras. Despite being introduced only 10 years ago, Leavitt path algebras have arisen in a variety of different contexts as diverse as analysis, symbolic dynamics, noncommutative geometry and representation theory. In fact, Leavitt path algebras are algebraic counterpart to graph C*-algebras, a theory which has become an area of intensive research globally. There are strikingly parallel similarities between these two theories. Even more surprisingly, one cannot (yet) obtain the results in one theory as a consequence of the other; the statements look the same, however the techniques to prove them are quite different (as the names suggest, one uses Algebra and other Analysis). These all suggest that there might be a bridge between Algebra and Analysis yet to be uncovered. In this talk, we introduce Leavitt path algebras and try to classify them by means of (graded) Grothendieck groups. We will ask nice questions!

Date: Thursday, May 11, 2017
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Roozbeh Hazrat (Western Sydney University) will speak on
:: Leavitt path algebras
date-time:: Thursday, May 11, 2017 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 10 09:21:38 2017
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Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: MATHS:Seminar title:  Calling Dunbar's Numbers Univrsity of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21A6E5exMbx3ulcampus_
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The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Dr P=E1draig Mac Carron, Experimental Psycholog=
y, Oxford

Title:  Calling Dunbar's Numbers

Abstract: The social brain hypothesis predicts that humans have an average =
of about 150 relationships at any given time. Within this 150, there are la=
yers of friends of an ego, where the number of friends in a layer increases=
 as the emotional closeness decreases. Here we use mobile phone records fro=
m a European country in 2007 to test for this layered structure. We find ev=
idence for layered structure and propose a very simple model to explain thi=
s observation. We also analyse the properties of the overall social network=
.

This seminar will take place on Thursday 13th April , at 2pm, in  Room A2-0=
02.

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

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



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





--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21A6E5exMbx3ulcampus_
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The department of Mathematics and Statistic=
s at the University of Limerick invites you to a seminar by Dr
P=E1draig Mac Carron, Experimental Psychology, =
Oxford
 
Title:=
 
Calling Dunbar's Numbers
&nbs=
p;
Abstra=
ct:
The social brain hypothesis predicts that human=
s have an average of about 150 relationships at any given time. Within this=
 150, there are layers of friends of an ego, where the number of friends in=
 a layer increases as the emotional
 closeness decreases. Here we use mobile phone records from a European coun=
try in 2007 to test for this layered structure. We find evidence for layere=
d structure and propose a very simple model to explain this observation. We=
 also analyse the properties of
 the overall social network.
&nbs=
p;
This seminar will take place
on
Thursday 13^th April , at 2pm, in  Room A2-002.
 
If you have any questions regar=
ding this seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminar=
s can be found at
http://www.ulsites.ul.ie/macsi/node/4801=
1
 
-------------------------------=
---------------------------------------------
Supported by Science Foundation=
 Ireland funding, MACSI - the Mathematics Applications Consortium
 for Science and Industry (www.macsi.ul.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
-------------------------------=
---------------------------------------------
 
 
 
Peg Hanrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.hanrahan ul.ie


 
 
         =
;
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21A6E5exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 10 09:40:39 2017
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Date:         Mon, 10 Apr 2017 08:40:23 +0000
Reply-To:     Ciaran Mac an Bhaird 
Sender:       UCD Maths Department Distribution List 
From:         Ciaran Mac an Bhaird 
Subject: Maths: Second Annual Huxley Lecture on the History of Mathematics
To:           MATHDEP LISTSERV.HEANET.IE
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Dear all,


The Department of Mathematics and Statistics have the pleasure in announcin=
g the second annual Huxley Lecture on the History of Mathematics by the res=
pected international expert, Professor Annette Imhausen from the Goethe Uni=
versity, Frankfurt, on Monday 24th of April at 6pm (Renehan Hall).

Title: 'Mathematics and "Mathematicians" in ancient Egypt'.

Prior to the talk, there will be a guided tour of our old Mathematical text=
s in the Russell Library. This starts at 5:15pm sharp. Further details are =
available at https://www.maynoothuniversity.ie/mathematics-and-statistics/h=
uxley-lecture-history-mathematics

Le meas,

Ciar=E1n


title:: Huxley Lecture on the History of Mathematics
content:: Professor Annette Imhausen
::  Maynooth University
:: presents a talk on Mathematics and "Mathematicians" in ancient Egypt
date-time:: April 24 2017 at 6 p.m.
location:: Maynooth, Renehan Hall, South Campus
endevent::


Dr. Ciar=E1n Mac an Bhaird


Lecturer and MSC Manager


Department of Mathematics and Statistics


Maynooth University


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


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


--_000_DB6PR0202MB283779EE00469A0F5925C22F8B010DB6PR0202MB2837_
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Dear all,





The Department of Mathematics and Statistics have=
 the pleasure in announcing the second annual Huxley Lecture on
 the History of Mathematics by the respected international expert, Professo=
r Annette Imhausen from the Go=
ethe University, Frankfurt,
 on Monday 24th of April at 6pm (Renehan Hall). 






Title: 'Mathematics and "Mathematicians"=
; in ancient Egypt'.

 




Prior to the talk=
, there will be a guided tour of our old Mathematical
 texts in the Russell Library. This starts at 5:15pm sharp. Further de=
tails are available at https://www.maynoothuniversity.ie/mathematics-and-=
statistics/=
huxley<=
/font>-lecture-history-mathematics




 


<=
span style=3D"font-size: 12pt;">Le meas,



<=
span style=3D"font-size: 12pt;">Ciar=E1n





title:: Huxley Lec=
ture on the History of Mathematics

content::
Professor Annette Imhausen

::  Maynooth =
University 

:: presents a talk=
 on 
Mathematics and "Mathematicians" in ancient Egypt
date-time:: April =
24 2017 at 6 p.m.

location:: Maynoot=
h, Renehan Hall, South Campus

endevent::<=
br>






Dr. Ciar=E1n Mac an Bhaird



Lecturer and MSC Manager



Department of Mathematics and Statistics



Maynooth University



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





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











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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 10 13:15:44 2017
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References: <268817BC53641D46A5221B6379D514918A85A9D4 exMbx3.ul.campus>,<268817BC53641D46A5221B6379D514918A8609EC exMbx3.ul.campus>
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Date:         Mon, 10 Apr 2017 12:15:28 +0000
Reply-To:     "Romina.Gaburro" 
Sender:       UCD Maths Department Distribution List 
From:         "Romina.Gaburro" 
Subject: Maths: MSc in Mathematical Modelling - University of Limerick (Academic year 2017/18) - First deadline for applications 30 April 2017
To:           MATHDEP LISTSERV.HEANET.IE
In-Reply-To:  <268817BC53641D46A5221B6379D514918A8609EC exMbx3.ul.campus>
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                                                                           =
               MSc in Mathematical Modelling



The University of Limerick  is pleased to invite applications for the  Mast=
er=92s course in Mathematical Modelling for the academic year 2017/18. The =
MSc is run by the Department of Mathematics and Statistics in association w=
ith MACSI, the Mathematics Applications Consortium for Science and Industry=
 centred in UL.
MACSI is a network of mathematical modellers and scientific computational a=
nalysts based in Ireland, with centre in the Department of Mathematics and =
Statistics at the University of Limerick and it is funded by Science Founda=
tion Ireland since 2006 (see ). Research in the Dep=
artment, and in MACSI, focuses on applied mathematical modelling, and in pa=
rticular there is a strong interest in numerical analysis, fluid mechanics,=
 industrial applied mathematics, geoscience, inverse problems and imaging s=
cience, commerce and life sciences.



General Introduction of the MSc

The MSc seeks to provide a training in techniques of applied mathematics, a=
nd focuses largely on mathematical models of real world processes, their fo=
rmulation in terms of differential equations, and methods of solutions, bot=
h numerical and analytical, of the models. There is an emphasis on practica=
l problems which arise in industry, commerce, medicine, as well as the envi=
ronmental and life sciences: areas which underpin the MACSI research progra=
mme. The course directors are Prof. Andrew Fowler and Prof. James Gleeson.
A number of scholarships to cover Stipend and EU fees, will be awarded to c=
ompetitive applicants (the deadline for applications is the 30th April 2017=
).



How to apply

To apply for the MSc please visit www.graduateschool.ul.ie  and follow the links Gra=
duate Programmes/Taught Programmes/Science and Engineering/Mathematical Mod=
elling MSc. You will find a list of the required documents and instructions=
 on how to submit these online.
Applicants must provide a curriculum vitae, two academic references and a l=
etter of application.
First deadline for applications: 30th of April 2017
Second deadline for applications: 30th of July 2017



Programme Structure of the MSc

Two semesters of course work will be followed by the preparation of a disse=
rtation over the summer months (May to August) under close supervision. The=
 dissertation will be at research level, and will often (though not inevita=
bly) be on a problem which arises through MACSI=92s connections with indust=
ry. The course work will comprise both a mandatory core, and a suite of opt=
ional courses, from which the student can choose. For further information o=
n the MSc and a detailed list of mandatory and optional courses please visi=
t  or contact the Director for Postgraduate Studies=
 in Mathematics Dr. Romina Gaburro (romina.gaburro ul.ie). We are always pleased to talk to prospective graduate students=
.




Dr. Romina Gaburro
Lecturer in Applied Mathematics
Department of Mathematics & Statistics
University of Limerick
Tel: +353 (0)61 213193
Fax: +353 (0)61 334927
Email: romina.gaburro ul.ie


--_000_268817BC53641D46A5221B6379D514918A867D59exMbx3ulcampus_
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          &nb=
sp;                     &=
nbsp;                    =
                     &nbs=
p;        &=
nbsp;    
 MSc
 in Mathematical Modelling



 

 

 

The University of Limerick
 is pleased to invite app=
lications for the 
Master=92s course in Mathematical Modelling<=
/u> for the academic year 2017<=
span style=3D"font-family:"Times New Roman","serif"; co=
lor:black">/18.
 The MSc is run by the Department of Mathematics and Statistics in a=
ssociation with MACSI, the Mathematics Applications Consortium for S=
cience and Industry centred in UL.


MACSI is a network of mathemati=
cal modellers and scientific computational analysts based in Ireland, with =
centre
 in the Department of Mathematics and Statistics at the University of Limerick and it is funded by
Science Foundation Ireland since 2006 (see <=
http://www.macsi.ul.ie=
>).
 Research in the Department, and in MACSI, focuses on applied mathematical =
modelling, and in particular there is a strong interest in numerical analys=
is, fluid mechanics, industrial applied mathematics, geoscience, inverse pr=
oblems and imaging science, commerce
 and life sciences.

 

 

 

General Introduction of t=
he MSc

 

The
MSc seeks to provide a training in techniques of applied mathem=
atics,
 and focuses
largely on mathematical models of real=
 world processes, their formulation in terms of differential equations, and=
 methods of solutions, both numerical and analytical,
 of the models. There is
an
emphasis on practical problems which arise in industry, commerce, medici=
ne, 
as well as the environmental and life sciences:
areas which underpin the MACSI res=
earch programme. The course directors are Prof. Andrew Fowler and Prof. Jam=
es Gleeson.

A number of scholarships to cover St=
ipend and EU fees, will be awarded to competitive applicants (the
deadline for applications is the 30^th April 2017).

 

 

 

How to apply

 

To apply for the MSc please visit
www.graduateschool.ul.ie <http://www.graduateschool.ul.ie><=
/u>
 and follow the links Graduate Programmes/Taught Programmes/Science and Eng=
ineering/Mathematical Modelling MSc. You will find a list of the required d=
ocuments and instructions on how to submit these online.


Applicants must provide a curriculum vitae, two academic ref=
erences and a letter of application.=


First deadline for applications: 30^th of April 2017

Second deadline for applications: 30^th of July 2017

 

 

 

Programme Structure of th=
e MSc

 

Two semesters of course work will be followed by the preparatio=
n of a dissertation over the summer months (May to August) under close supe=
rvision. The dissertation will be at research level, and
 will often (though not inevitably) be on a problem which arises through MA=
CSI=92s connections with industry. The course work will comprise both a man=
datory core, and a suite of optional courses, from which the student can ch=
oose. For further information on the
 MSc and a detailed list of mandatory and=
 optional courses
please visit
<http://www.macsi.ul.ie> or contact the Dir=
ector for Postgraduate
 Studies in Mathematics Dr. Romina Gaburro (romina.gaburro ul.ie).
 We are always pleased to talk to prospective graduate students. 

 

 

 

 

Dr. Romina Gaburro<=
/p>

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_268817BC53641D46A5221B6379D514918A867D59exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 11 09:29:27 2017
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Date:         Tue, 11 Apr 2017 08:29:11 +0000
Reply-To:     "Madden, Niall" 
Sender:       UCD Maths Department Distribution List 
From:         "Madden, Niall" 
Subject: maths: Modelling Workshop at NUI Galway, 6 - 9 June, 2017
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The School of Mathematics, Statistics and Applied Mathematics at NUI Galway=
 is hosting a four day Modelling Workshop from June 6th to 9th.


Participants will take part in team-based modelling of real-world, industry=
-driven problems, supported with training and small group study sessions. M=
entoring will be provided by experienced researchers.


The workshop is primarily aimed at postgraduate and early career researcher=
s with a scientific or engineering background. Funding will be provided by =
the MI-NET, Mathematics for Industry Network to sup=
port their participation.


Participation by undergraduate students is also welcome, with some limited =
funding provided by the School of Mathematics, Statistics and Applied Mathe=
matics.


The workshop participants will work in small groups on problems posed by in=
dustry partners. Current problems being considered include

  *   Optimising rainfall radar system for a meteorological service;
  *   Simulating river flows;
  *   Modelling medical devices.

The workshop will also feature sessions on developing skills in scientific =
computing, and presentation and communication skills.


General queries relating to the workshop should be directed to Niall.Madden=
 NUIGalway.ie.

Registration is free, but is required.

The workshop takes place one week before the European Study Group with Indu=
stry 128, organised by MACSI at the Uni=
versity of Limerick. The modelling week will be an excellent preparation fo=
r ESGI128.

For details, please see
http://www.maths.nuigalway.ie/~niall/ModellingWorkshop17/

Regards,
Niall.

Dr Niall Madden,
School of Mathematics, Statistics and Applied Mathematics,
National University of Ireland, Galway.
web: http://www.maths.nuigalway.ie/~niall

--_000_DB5PR01MB147833941A514429C6750454E0010DB5PR01MB1478eurp_
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The School of Mathematics, Statistics and Applied Mathematics at NUI Gal=
way is hosting a four day Modelling Workshop from June 6th to 9th.






Participants will take part in team-based modelling of real-world, indus=
try-driven problems, supported with training and small group study sessions=
. Mentoring will be provided by experienced researchers.






The workshop is primarily aimed at postgraduate and early career researc=
hers with a scientific or engineering background. Funding will be provided =
by the
MI-NET, Mathematics for Industry Net=
work to support their participation.



Participation by undergraduate students is also welcome, with some limit=
ed funding provided by the School of Mathematics, Statistics and Applied Ma=
thematics.



The workshop participants will work in small groups on problems posed by=
 industry partners. Current problems being considered include


Optimising rainfall radar system for a meteorological service;
=
Simulating river flows;
Modelling medical devices.
The workshop will also feature sessions on developing skills in scientif=
ic computing, and presentation and communication skills.



General queries relating to the workshop should be directed to 
Niall.Madden NUIGalway.ie. 
Registration is free, but is required. 



The workshop takes place one week before the 
European Study Group with Industry 128, organised by MACSI at the Unive=
rsity of Limerick. The modelling week will be an excellent preparation for =
ESGI128.


For details, please see 

http://www.math=
s.nuigalway.ie/~niall/ModellingWorkshop17/



Regards,

Niall.






Dr Niall Madden,
School of Mathematics, Statistic=
s and Applied Mathematics,
National University of Ireland, =
Galway.
web: http://www.maths.nuigalway.=
ie/~niall






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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 11 12:11:22 2017
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Date:         Tue, 11 Apr 2017 11:11:10 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths: Problem Solving With Industry ESGI 128 Announcement  11th - 16th June 2017 University of Limerick
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Content::

Apologies for multiple postings
Problem Solving With Industry ESGI 128
11th June -16th June, MACSI, University of Limerick, Ireland
Following the success of previous study groups held in Ireland, the Mathema=
tics Applications Consortium for Science and Industry, based at the Univers=
ity of Limerick, is pleased to host the 128th European Study Group with Ind=
ustry.
For further information and to register please see: http://ulsites.ul.ie/ma=
csi/esgi128 or contact peg.hanrahan ul.ie
Full-board accommodation will be provided to all participants on campus.  T=
he University of Limerick is easily accessible with Shannon Airport just a =
thirty-minute taxi ride from the campus.

Modelling Workshop 6th June -9th June NUI Galway


[http://www.maths.nuigalway.ie/%7Eniall/ModellingWorkshop17/Stokes.png]

NUI Galway  ar=
e hosting a  four-day modelling workshop the week before ESGI128 from Tues =
June 6th to Fri 9th supported by the MINET Cost Action. This training workshop is primarily aimed at postgraduate and early c=
areer researchers with a scientific or engineering background.  Participant=
s will take part in team-based modelling of real-world, industry-driven pro=
blems.  More information and registration available here.

On behalf of the organising committee,

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




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Content::
 
Apologies for multiple posti=
ngs
Problem Solving With Indu=
stry ESGI 128
11^th June R=
11;16^th June, MACSI, University of Limerick,
 Ireland
Following the success of previous study group=
s held in Ireland, the Mathematics Applications Consortium
 for Science and Industry, based at the University of Limerick, is pleased =
to host the 128^th European Study Group with Industry.
For further information and to register pleas=
e see:
http://ulsites.ul.ie/macsi/esgi128
or contact
peg.hanrahan ul.ie
Full-board accommodation will be provided to =
all participants on campus.  The University of Limerick
 is easily accessible with Shannon Airport just a thirty-minute taxi ride f=
rom the campus. 
 
Modelling Workshop 6^th June -9<=
sup>th June NUI Galway
 

=
NUI Galway
are hosting a  four-day modelling workshop the week before ESGI128=
 from Tues June 6th to Fri 9th supported by the
MINET Cost Action. This t=
raining workshop is primarily aimed at postgraduate and early career resear=
chers with a scientific or engineering background.  Participants =
will take part in team-based modelling of real-world,
 industry-driven problems.  More information and registration available h=
ere.
&nbs=
p;
On behalf of the organising committee,=
 
 
Peg Hanrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.=
hanrahan ul.ie


 
&nbs=
p;
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21B07CexMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 11 20:29:18 2017
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Date:         Tue, 11 Apr 2017 20:28:55 +0100
Reply-To:     "Richard M. Timoney" 
Sender:       UCD Maths Department Distribution List 
From:         "Richard M. Timoney" 
Subject: maths: Analysis seminars
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                    ANALYSIS SEMINAR


Tuesday 18th April  at 3:00pm  (place: UCD  Ag. 1.01 )

Speaker: J. Buckley (IMS Madrid; KCL) 
Title: On the number of nodal domains of toral eigenfunctions 

Tuesday 18th April  at 4:15pm  (place: UCD  Ag. 1.01 )

Speaker: A. T\"ornquist (Copenhagen) 
Title: Fraisse theory: The Poulsen simplex and other examples 

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

Tuesday 25th April, 2017  at 4.15pm  (place: UCD  Ag 1.01 )

Speaker: M. Golitsyna 
Title: Sequences of real-rooted polynomials that converge in three points
and the Laguerre-Polya class 



______________________________
C. Boyd , R. Timoney .

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



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: J. Buckley (IMS Madrid; KCL)  will speak on
::  On the number of nodal domains of toral eigenfunctions 
date-time:: Tuesday 18th April  at 3:00pm 
location:: UCD  Ag. 1.01 
endevent::

title:: ANALYSIS SEMINAR
content:: A. T\"ornquist (Copenhagen)  will speak on
::  Fraisse theory: The Poulsen simplex and other examples 
date-time:: Tuesday 18th April  at 4:15pm 
location:: UCD  Ag. 1.01 
endevent::

title:: ANALYSIS SEMINAR
content:: M. Golitsyna  will speak on
::  Sequences of real-rooted polynomials that converge in three points
and the Laguerre-Polya class 
date-time:: Tuesday 25th April, 2017  at 4.15pm 
location:: UCD  Ag 1.01 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 18 09:47:25 2017
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Date:         Tue, 18 Apr 2017 08:47:07 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: MATHS: Seminar: Phase change at the nanoscale - University of Limerick
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Content::



[Description: Description: Description: Description: cid:image001.jpg 01CC0=
9AD.723BB6D0]

MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Prof. Tim Myers (Centre de Recerca Matem=E0tica=
):

Title:  Phase change at the nanoscale

Abstract: The basis of nanotechnology is the nanoparticle (NP), a unit of m=
atter with a critical diameter between 1 and 100nm. Nanoparticles are curre=
ntly used in a diverse range of applications, including: medicine (as synth=
etic skin, antioxidants, targeted delivery of drugs); manufacturing (flexib=
le screens, packaging, fabrics); environment (breaking down oil, catalysts)=
; energy (in fuel cells, batteries, solar cells) etc. In many of these appl=
ications the particles are exposed to high temperatures and so it is import=
ant to understand their response to a harsh thermal environment. The theory=
 of phase change at the macroscale is well established, however, as the len=
gth-scale decreases the physical process starts to exhibit unusual behaviou=
r. One reason for the change in behaviour is that nanoparticles have a very=
 large ratio of surface to volume atoms and so surface properties rather th=
an bulk properties dominate. This results in a mathematical description tha=
t differs significantly from that at the macroscale. In this talk we will d=
iscuss various issues that arise when modelling phase change at the nanosca=
le: 1) We present a novel formulation for the Stefan problem that reflects =
the fact material properties, such as latent heat and melt temperature, are=
 size dependent. 2) A standard simplification is to study the one-phase pro=
blem, where one of the phases is set to the phase change temperature. When =
the phase change temperature varies this formulation loses energy. 3) Exper=
iments at the nanoscale demonstrate that the well-known heat equation, base=
d on Fourier's law no longer holds. More complex models, which exhibit heat=
 waves must then be considered.


This seminar will take place on Friday , April 21st , at 4pm, in  Room A2-0=
02.

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

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



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




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21D3B6exMbx3ulcampus_
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Content:: <=
/span>
 
 
 

 
MACSI=

 
 
The department of Mathematics and Statistic=
s at the University of Limerick invites you to a seminar by Prof.
 Tim Myers (Centre de Recerca Matem=E0tica):
 
Title:=
 
Phase change at the nanos=
cale
&nbs=
p;
Abstra=
ct: The basis of nano=
technology
 is the nanoparticle (NP), a unit of matter with a critical diameter betwee=
n 1 and 100nm. Nanoparticles are currently used in a diverse range of appli=
cations, including: medicine (as synthetic skin, antioxidants, targeted del=
ivery of drugs); manufacturing (flexible
 screens, packaging, fabrics); environment (breaking down oil, catalysts); =
energy (in fuel cells, batteries, solar cells) etc. In many of these applic=
ations the particles are exposed to high temperatures and so it is importan=
t to understand their response to
 a harsh thermal environment. The theory of phase change at the macroscale =
is well established, however, as the length-scale decreases the physical pr=
ocess starts to exhibit unusual behaviour. One reason for the change in beh=
aviour is that nanoparticles have
 a very large ratio of surface to volume atoms and so surface properties ra=
ther than bulk properties dominate. This results in a mathematical descript=
ion that differs significantly from that at the macroscale. In this talk we=
 will discuss various issues that
 arise when modelling phase change at the nanoscale: 1) We present a novel =
formulation for the Stefan problem that reflects the fact material properti=
es, such as latent heat and melt temperature, are size dependent. 2) A stan=
dard simplification is to study
 the one-phase problem, where one of the phases is set to the phase change =
temperature. When the phase change temperature varies this formulation lose=
s energy. 3) Experiments at the nanoscale demonstrate that the well-known h=
eat equation, based on Fourier's
 law no longer holds. More complex models, which exhibit heat waves must th=
en be considered.
&nbs=
p;
&nbs=
p;
This seminar will take place on=
 Friday , April 21^st , at 4pm, in  Room A2-002.=

 
If you have any questions regar=
ding this seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminar=
s can be found at
http://www.ulsites.ul.ie/macsi/node/4801=
1
 
-------------------------------=
---------------------------------------------
Supported by Science Foundation=
 Ireland funding, MACSI - the Mathematics Applications Consortium
 for Science and Industry (www.macsi.ul.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
-------------------------------=
---------------------------------------------
 
 
       
Peg Hanrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.hanrahan ul.ie


 
  
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21D3B6exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 19 15:48:53 2017
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Date:         Wed, 19 Apr 2017 15:48:37 +0100
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From:         smigoc 
Subject: maths: Mini Course: Introduction to Semirings
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The School of Mathematics and Statistics, University College Dublin, is 
organising a three-day mini course Introduction to Semirings and their 
Applications given by Professor Polona Oblak from University of 
Ljubljana.

Dates: May 3 - May 5
Time: 10:00 - 13:00 (10:00 - 12:00: Lectures, 12:00 - 13:00: Discussion 
session)
Location: S1.67, Science South, University College Dublin

The goal of this course is to introduce semirings, and to highlight how 
they can be used to approach diverse problems. This algebraic structure 
has properties that are quite different from most classical algebraic 
structures, since the existence of additive inverses cannot be assumed. 
They have been an area of active research in the last few decades not 
only in mathematics, but also in computer science, as a particular class 
of canonically ordered semirings (also called dioids) comes naturally 
into play in connection with algebraic models for many problems 
including scheduling, network analysis, pathfinding problems in graphs, 
hierarchical clustering and parsing.


Some topics:

- Semirings. Examples. Properties. Dioids.
- Quasi-inverse of a matrix.
- Algorithms for solving linear systems over dioids.
- Invertibility and ranks of matrices.

The School is aimed at postgraduate students and young researchers, as 
well as higher level undergraduate students of mathematics and computer 
science with an interest in algebraic structures, and their 
applications. Only very basic mathematical background is required.

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 20 11:43:22 2017
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Date:         Thu, 20 Apr 2017 11:42:26 +0100
Reply-To:     Steve Buckley 
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From:         Steve Buckley 
Subject: maths: permanent lectureship in mathematics
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--001a114565926c9abf054d96cef5
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*Permanent Lecturer/Assistant Lecturer position in Mathematics*

Full-time permanent position at Maynooth University, beginning September
2017. Application deadline: midnight, 21 May 2017. We intend to conduct
interviews during the week of 19-23 June 2017.

Further information can be found at
https://www.maynoothuniversity.ie/human-resources/vacancies/lecturer-mathematics-department-mathematics-statistics

--001a114565926c9abf054d96cef5
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Permanent Lecturer/Assistant =
Lecturer position in Mathematics
Full-time permanent position at Maynooth University, beginning September 2=
017. Application deadline: midnight, 21 May 2017. We intend to conduct inte=
rviews during the week of 19-23 June 2017.

Further information can be found=C2=A0at
https://www.m=
aynoothuniversity.ie/human-resources/vacancies/lecturer-mathematics-departm=
ent-mathematics-statistics


--001a114565926c9abf054d96cef5--

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Date:         Fri, 21 Apr 2017 11:04:41 +0000
Reply-To:     Lars Pforte 
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Subject: maths: Colloquium of the Department of Mathematics and Statistics at Maynooth University
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Colloquium of the Department of Mathematics and Statistics at Maynooth Univ=
ersity

Wednesday, 26th April, 4pm in MS 2 in Logic House

Speaker: Prof. Ken Duffy, Hamilton Institute, Maynooth University

Title: DNA coded randomized algorithms

Please find an abstract here .

All welcome.

title:: Maynooth Maths-Stats Colloquium
content:: Prof. Ken Duffy
:: Hamilton Institute, Maynooth University
:: presents a talk entitled "DNA coded randomized algorithms"
date-time:: April 26, 2017 at 4 p.m.
location:: Maynooth MS2 Logic House
endevent::

-----------------------------------------------
Dr. Lars Pforte
Department of Mathematics & Statistics
Maynooth University
Maynooth
Co. Kildare

Tel: +353 1 708 6544
Fax: +353 1 708 3913


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Colloquium of the Department of Mathematics and Statistics at Maynooth=
 University



Wednesday, 26th April, 4pm in MS 2 in Logic House

  

Speaker: Prof. Ken Duffy, Hamilton Institute, Maynooth University



Title: DNA coded randomized algorithms



Please find an abstract here .



All welcome.



title:: Maynooth 
Maths-Stats Colloquium

content:: Prof. Ken Duffy

:: Hamilton Institute, Maynooth University

:: presents a talk entitled "DNA coded randomized algorithms"

date-time:: April 26, 2017 at 4 p.m.

location:: Maynooth MS2 Logic House

endevent::



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

Dr. Lars Pforte

Department of Mathematics & Statistics

Maynooth University

Maynooth

Co. Kildare



Tel: +353 1 708 6544

Fax: +353 1 708 3913 







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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 21 13:10:39 2017
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Date:         Fri, 21 Apr 2017 12:10:22 +0000
Reply-To:     "Quinlan, Rachel" 
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Subject: maths: two-year fixed-term lectureship in Mathematics at NUI Galway
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Dear All,
The School of Mathematics, Statistics and Applied Mathematics at NUI Galway is seeking to recruit a lecturer in Mathematics for the period September 1st 2017 to August 31 2019. The closing date for applications is May 18th. Details of the job description and the application procedure can be found under "academic vacancies" at https://www.nuigalway.ie/about-us/jobs/
Please share this information with anyone who might be interested.

Best regards,
Rachel Quinlan.



Dr Rachel Quinlan
Head of School
School of Mathematics, Statistics and Applied Mathematics
National University of Ireland, Galway
Phone 091 493796
http://www.maths.nuigalway.ie/~rquinlan

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 21 14:45:49 2017
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Subject: Maths: CFAR Seminar Series, DCU, Wednesday 26.04   14.30
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--------------EE9F5D29B63966862E6CDE72
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Centre for Astrophysics & Relativity

www.cfar.ie

Speaker: *Dr. John Regan*

Title: *Rapid Formation of Black Holes in the First Billion Years
*

Abstract:/
//The observation of massive black holes a billion times the mass of the=20
sun less than 1 billion years after the big bang can not be explained by=20
our current structure formation paradigm. Here I will outline an=20
alternative mechanism where super-massive stars are a natural=20
consequence of early radiation bursts from the first galaxies.=20
Super-massive stars provide the ideal progenitors for the massive black=20
holes powering quasars at high redshift./
/
/Date: Wednesday 26th April//  14.30/

/Location: Lonsdale Building (X Building) Room X130, School of=20
Mathematical Sciences
https://www.dcu.ie/info/campus.shtml
///
*Streaming:
We are also planning on streaming most (probably all) CFAR seminars in=20
the future including this one so that colleagues outside of DCU can=20
join. I will post the link to the stream on Wednesday morning.

* /Best,
John/
/

--=20
John Regan

Marie Sklodowska-Curie Fellow
School of Mathematical Sciences
Dublin City University
www.johnregan.org


--=20




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


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 =20
=20
=20


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    Centre
          for Astrophysics & Relativity 

        
    www.cfar.ie

    
    Speaker: Dr. John Regan 
    Title: Rapid
          Formation of Black Holes in the First Billion Years

        
    Abstract:

        The
              observation of massive black holes a billion times the
              mass of the sun less than 1 billion years after the big
              bang can not be explained by our current structure
              formation paradigm. Here I will outline an alternative
              mechanism where super-massive stars are a natural
              consequence of early radiation bursts from the first
              galaxies. Super-massive stars provide the ideal
              progenitors for the massive black holes powering quasars
              at high redshift.

        

        Date: Wednesday 26th April   14.30

          

        Location: Lonsdale Building (X
      Building) Room X130, School of Mathematical Sciences

      https://www.dcu.ie/in=
fo/campus.shtml

    

          Streaming:

                We are also planning on streaming most (probably all)
                CFAR seminars in the future including this one so that
                colleagues outside of DCU can join. I will post the link
                to the stream on Wednesday morning. 

              

             Best,

      John

        

    --=20
John Regan

Marie Sklodowska-Curie Fellow
School of Mathematical Sciences
Dublin City University
www=
.johnregan.org
  




S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
T=C3=A1 an r=C3=ADomhphost seo agus a=
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=C3=A9amh anseo.=C2=A0
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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 24 12:45:49 2017
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Dear All,

We will have a Seminar this Thursday (April 27) at 4pm in ADB1020.


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



Giuseppe Di Molfetta

from Aix-Marseille Universite, Marseille



will speak on



=E2=80=9CQuantum Walks Gravity Simulation=E2=80=9D

 Abstract: As we know, spacetime is not flat at the cosmological scale. In
order to describe spacetime, in General Relativity theory (GR), we need a
continuous and differentiable manifold and a formal way to account for the
continuous distortion of the metrics. The main point is that changing
coordinate systems should not affect physics laws (General Covariance).
However at the Planck length, matter is not continuous and obeys Quantum
Theory (QT). Although one century has passed, finding an intrinsically
discrete counterpart of GR is still an open question. In fact, discretized
GR does not turn out in just a mere finite difference scheme of the old
formula.

I recently showed that one way to describe a discrete curved spacetime is
by using Quantum Walks. From a physical perspective a QW describes
situations where a quantum particle is taking steps on a discrete grid
conditioned on its internal state (say, spin states). The particle
dynamically explores a large Hilbert space associated with the positions of
the lattice and allows thus to simulate a wide range of transport phenomena=
.

It is surprising that this unitary and local dynamics, defined on a rigid
space-time lattice coincides in the continuous limit with the dynamical
behavior of a quantum spinning-particle spreading on a curved spacetime.
This could really turn out to be a powerful quantum numerical method to
discretize GR.

Link: http://pageperso.lif.univ-mrs.fr/~giuseppe.dimolfetta/



Contact: Michael Mc Gettrick



Hoping to see you all there,



Dieter, Haixuan and Michael



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

--001a114e66aa1c64c1054de82536
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable



Dea=
r All,


We w=
ill have a Seminar this=C2=A0Thursday (April 27) at 4pm=C2=A0in
ADB1020.




Coffee/tea/cakes/biscuits will be served from=C2=A03:30pm=C2=A0in ADB-G022.=


=C2=
=A0


Gius=
eppe Di Molfetta=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 


from=
 Aix-Marseille Universite, Marseille


=C2=
=A0


will=
 speak on


=C2=
=A0


=E2=
=80=9CQuantum Walks Gravity
Simulation=E2=80=9D


=C2=
=A0Abstract: As we know, spacetime is not flat at the
cosmological scale. In order to describe spacetime, in General Relativity
theory (GR), we need a continuous and differentiable manifold and a formal =
way
to account for the continuous distortion of the metrics. The main point is =
that
changing coordinate systems should not affect physics laws (General
Covariance). However at the Planck length, matter is not continuous and obe=
ys
Quantum Theory (QT). Although one century has passed, finding an intrinsica=
lly
discrete counterpart of GR is still an open question. In fact, discretized =
GR
does not turn out in just a mere finite difference scheme of the old formul=
a.



I recently showed that one way to describe a discrete curved
spacetime is by using Quantum Walks. From a physical perspective a QW descr=
ibes
situations where a quantum particle is taking steps on a discrete grid
conditioned on its internal state (say, spin states). The particle dynamica=
lly
explores a large Hilbert space associated with the positions of the lattice=
 and
allows thus to simulate a wide range of transport phenomena.



It is surprising that this unitary and local dynamics, defined
on a rigid space-time lattice coincides in the continuous limit with the
dynamical behavior of a quantum spinning-particle spreading on a curved
spacetime. This could really turn out to be a powerful quantum numerical me=
thod
to discretize GR. 



Link: http://pageperso.lif.univ-mrs.fr/~giuseppe.dimolfetta/=


=C2=
=A0


Cont=
act: Michael Mc Gettrick


=C2=
=A0


Hopi=
ng to see you all there,


=C2=
=A0


Diet=
er, Haixuan and Michael


=C2=
=A0


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


=C2=A0=




--001a114e66aa1c64c1054de82536--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 24 13:37:29 2017
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Date:         Mon, 24 Apr 2017 13:37:08 +0100
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From:         John Regan 
Subject: Maths: CFAR Seminar Series, DCU, Tuesday 25.04   14.30
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Note: Seminar date changed to tomorrow(Tuesday) at 14.30.

CFAR seminars will also be streamed whenever possible, including=20
tomorrow's. A link to the stream will be available on=20
http://www.cfar.ie/seminars.html


On 21/04/17 14:45, John Regan wrote:
>
> Centre for Astrophysics & Relativity
>
> www.cfar.ie
>
> Speaker: *Dr. John Regan*
>
> Title: *Rapid Formation of Black Holes in the First Billion Years
> *
>
> Abstract:/
> //The observation of massive black holes a billion times the mass of=20
> the sun less than 1 billion years after the big bang can not be=20
> explained by our current structure formation paradigm. Here I will=20
> outline an alternative mechanism where super-massive stars are a=20
> natural consequence of early radiation bursts from the first galaxies.=20
> Super-massive stars provide the ideal progenitors for the massive=20
> black holes powering quasars at high redshift./
> /
> /Date: Tuesday 25th April//  14.30/
>
> /Location: Lonsdale Building (X Building) Room X130, School of=20
> Mathematical Sciences
> https://www.dcu.ie/info/campus.shtml
> ///
> *Streaming:
> We are also planning on streaming most (probably all) CFAR seminars in=20
> the future including this one so that colleagues outside of DCU can=20
> join. I will post the link to the stream on Tuesday morning/afternoon.
>
> * /Best,
> John/
> /
> --=20
> John Regan
>
> Marie Sklodowska-Curie Fellow
> School of Mathematical Sciences
> Dublin City University
> www.johnregan.org

--=20
John Regan

Marie Sklodowska-Curie Fellow
School of Mathematical Sciences
Dublin City University
www.johnregan.org


--=20




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


--=20

 =20
=20
=20


--------------16CCF84B54FA028D749138CC
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    Note: Seminar date changed to tomorrow(Tuesday) at 14.30. 

    
    CFAR seminars will also be streamed whenever possible, including
      tomorrow's. A link to the stream will be available on
      http://www.cfar.ie/seminars.html

    
    

    On 21/04/17 14:45, John Regan wrote:

    
    
      
      Centre
            for Astrophysics & Relativity 

          
      www.cfar.ie

      
      Speaker: Dr. John Regan 
      Title: Rapid Formation of Black Holes in the First
            Billion Years

          
      Abstract:

          The
                observation of massive black holes a billion times the
                mass of the sun less than 1 billion years after the big
                bang can not be explained by our current structure
                formation paradigm. Here I will outline an alternative
                mechanism where super-massive stars are a natural
                consequence of early radiation bursts from the first
                galaxies. Super-massive stars provide the ideal
                progenitors for the massive black holes powering quasars
                at high redshift.

          

          Date: Tuesday 25th April   14.30

            

          Location: Lonsdale Building
        (X Building) Room X130, School of Mathematical Sciences

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

      

            Streaming:
                  We are also planning on streaming most (probably all)
                  CFAR seminars in the future including this one so that
                  colleagues outside of DCU can join. I will post the
                  link to the stream on Tuesday morning/afternoon. 

                

               Best,

        John

          

      --=20
John Regan

Marie Sklodowska-Curie Fellow
School of Mathematical Sciences
Dublin City University
www.johnregan.org
    

    

    --=20
John Regan

Marie Sklodowska-Curie Fellow
School of Mathematical Sciences
Dublin City University
www=
.johnregan.org
  




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







--------------16CCF84B54FA028D749138CC--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 24 14:23:24 2017
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Date:         Mon, 24 Apr 2017 13:23:08 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths: Seminar Robust Joint Modelling: An introduction and exploration of recent extensions University of Limerick 28th April
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21F90DexMbx3ulcampus_
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Content::

MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by  Dr Lisa McCrink (Queen's University Belfast):

Title:  Robust Joint Modelling: An introduction and exploration of recent e=
xtensions

Abstract: An introduction and exploration of recent extensions With a stead=
y growth in the volume of data being collected currently, there is an obvio=
us need to build more sophisticated tools with which to analyse this data. =
One such method is joint modelling. In the last few decades, joint modellin=
g has proven to be a valuable technique in the simultaneous analysis of ind=
ividuals' repeated measurements over time and the common link such longitud=
inal data has with a time-to-event or survival process. This talk will disc=
uss an extension to standard joint modelling techniques which accounts for =
the presence of longitudinal outliers - the use of robust joint models. In =
the joint modelling of longitudinal and survival data it is commonly assume=
d that the random effects and error terms follow normality assumptions. Thi=
s research illustrates the negative impact of such conventions when longitu=
dinal outliers are present, highlighting the benefits of assuming that the =
random terms instead follow a wider tailed t-distribution. The robust joint=
 model presented is flexible as it allows the degree at which outliers are =
adjusted for to be dictated by the data where the standard joint model, whi=
ch assumes normality, is given as a special case. Such detrimental effects =
of outliers are clearly demonstrated within this research both through a si=
mulation study and an illustrative example focusing on Northern Irish renal=
 patient data.


This seminar will take place on Friday , April 28th , at 4pm, in  Room A2-0=
02.

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

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

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


--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F8A21F90DexMbx3ulcampus_
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Content::=

 
MACSI=

 
 
The department of Mathematics and Statistic=
s at the University of Limerick invites you to a seminar by  Dr
 Lisa McCrink (Queen's University Belfast):
 
Title:=
 
Robust Joint Modelling: A=
n introduction and exploration of recent extensions
&nbs=
p;
Abstra=
ct: An introduction a=
nd
 exploration of recent extensions With a steady growth in the volume of dat=
a being collected currently, there is an obvious need to build more sophist=
icated tools with which to analyse this data. One such method is joint mode=
lling. In the last few decades,
 joint modelling has proven to be a valuable technique in the simultaneous =
analysis of individuals’ repeated measurements over time and the comm=
on link such longitudinal data has with a time-to-event or survival process=
. This talk will discuss an extension
 to standard joint modelling techniques which accounts for the presence of =
longitudinal outliers – the use of robust joint models. In the joint =
modelling of longitudinal and survival data it is commonly assumed that the=
 random effects and error terms follow
 normality assumptions. This research illustrates the negative impact of su=
ch conventions when longitudinal outliers are present, highlighting the ben=
efits of assuming that the random terms instead follow a wider tailed t-dis=
tribution. The robust joint model
 presented is flexible as it allows the degree at which outliers are adjust=
ed for to be dictated by the data where the standard joint model, which ass=
umes normality, is given as a special case. Such detrimental effects of out=
liers are clearly demonstrated within
 this research both through a simulation study and an illustrative example =
focusing on Northern Irish renal patient data.
&nbs=
p;
&nbs=
p;
This seminar will take place on=
 Friday , April 28^th , at 4pm, in  Room A2-002.=

 
If you have any questions regar=
ding this seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminar=
s can be found at
http://www.ulsites.ul.ie/macsi/node/48011

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

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.=
hanrahan ul.ie


 




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Message-ID:  
Date:         Tue, 25 Apr 2017 10:47:12 +0000
Reply-To:     Richard Watson 
Sender:       UCD Maths Department Distribution List 
From:         Richard Watson 
Subject: Re: Maths: Second Annual Huxley Lecture on the History of Mathematics
Comments: To: Ciaran Mac an Bhaird 
To:           MATHDEP LISTSERV.HEANET.IE
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________________________________
From: UCD Maths Department Distribution List  o=
n behalf of Ciaran Mac an Bhaird 
Sent: Monday, April 10, 2017 9:40:23 AM
To: MATHDEP LISTSERV.HEANET.IE
Subject: Maths: Second Annual Huxley Lecture on the History of Mathematics

        This sender failed our fraud detection checks and may not be who th=
ey appear to be. Learn about spoofing    =
  Feedback

Dear all,


The Department of Mathematics and Statistics have the pleasure in announcin=
g the second annual Huxley Lecture on the History of Mathematics by the res=
pected international expert, Professor Annette Imhausen from the Goethe Uni=
versity, Frankfurt, on Monday 24th of April at 6pm (Renehan Hall).

Title: 'Mathematics and "Mathematicians" in ancient Egypt'.

Prior to the talk, there will be a guided tour of our old Mathematical text=
s in the Russell Library. This starts at 5:15pm sharp. Further details are =
available at https://www.maynoothuniversity.ie/mathematics-and-statistics/h=
uxley-lecture-history-mathematics

Le meas,

Ciar=E1n


title:: Huxley Lecture on the History of Mathematics
content:: Professor Annette Imhausen
::  Maynooth University
:: presents a talk on Mathematics and "Mathematicians" in ancient Egypt
date-time:: April 24 2017 at 6 p.m.
location:: Maynooth, Renehan Hall, South Campus
endevent::


Dr. Ciar=E1n Mac an Bhaird


Lecturer and MSC Manager


Department of Mathematics and Statistics


Maynooth University


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


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


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From: UCD Maths Department =
Distribution List <MATHDEP LISTSERV.HEANET.IE> on behalf of Ciaran Ma=
c an Bhaird <Ciaran.MacanBhaird NUIM.IE>

Sent: Monday, April 10, 2017 9:40:23 AM

To: MATHDEP LISTSERV.HEANET.IE

Subject: Maths: Second Annual Huxley Lecture on the History of Mathe=
matics
 








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Dear all,





The Department of Mathematics and Statistics have t=
he pleasure in announcing the second annual Huxley Lecture on
 the History of Mathematics by the respected international expert, Professo=
r Annette Imhausen from the Goet=
he University, Frankfurt,
 on Monday 24th of April at 6pm (Renehan Hall). 






Title: 'Mathematics and "Mathematicians" =
in ancient Egypt'.

 



<=
span style=3D"font-size:12pt">Prior to the talk, ther=
e will be a guided tour of our old Mathematical
 texts in the Russell Library. This starts at 5:15pm sharp. Further de=
tails are available at ht=
tps://www.maynoothuniversity.ie/mathematics-and-statistics/huxley-lecture-history-mathema=
tics


<=
span style=3D"font-size:12pt"> 

Le meas,=



Ciar=E1n





title:: Huxley Lecture =
on the History of Mathematics

content::
Professor Annette Imhausen

::  Maynooth Unive=
rsity 

:: presents a talk on <=
span style=3D"color:rgb(33,33,33); font-family:Calibri,Arial,Helvetica,sans=
-serif; font-size:16px">
Mathematics and "Mathematicians" in ancient Egypt
date-time:: April 24 20=
17 at 6 p.m.

location:: Maynooth, Re=
nehan Hall, South Campus

endevent::







Dr. Ciar=E1n Mac an Bhaird



Lecturer and MSC Manager



Department of Mathematics and Statistics



Maynooth University



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





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













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Date:         Wed, 26 Apr 2017 09:24:32 +0100
Reply-To:     Kwok Chuen Wong 
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From:         Kwok Chuen Wong 
Subject: maths: DCU Mathematical Finance Seminar (U. Cetin)
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Dear Colleagues,

We will have Mathematical Finance seminar this Friday:

Everybody welcome,

Ryan

title:: DCU Math Finance (Umut Cetin, LSE)
content:: We develop a new class of path transformations for
one-dimensional diffusions
:: that are tailored to alter their long-run behaviour from transient to
recurrent or vice versa.
:: This immediately leads to a formula for the distribution of the first
exit times of diffusions,
:: which is recently characterised by Karatzas and Ruf as the minimal
solution of
:: an appropriate Cauchy problem under more stringent conditions. These
transformations also
:: turn out to be instrumental in characterising the stochastic solutions
of Cauchy problems defined by
:: the generators of strict local martingales, which are well-known for not
having unique solutions
:: even though one restricts the solutions to have linear growth.
:: Using an appropriate diffusion transformation we show that the
aforementioned stochastic solution
:: is the unique classical solution of an alternative Cauchy problem with
suitable boundary conditions.
:: This in particular resolves the long-standing issue of non-uniqueness
with the Black-Scholes equations
:: in derivative pricing in the presence of bubbles. Finally, we use these
path transformations to
:: propose a unified framework for solving explicitly the optimal stopping
problem for
:: one-dimensional diffusions with discounting, which in particular is
relevant for the pricing
:: and the optimal exercise boundaries of perpetual American options.


date-time:: 28th April at 11:00am
location:: DCU Business School, QG27
endevent::

--=20
Kwok Chuen Wong, Ryan
Lecturer in Financial Mathematics
School of Mathematical Sciences, Dublin City University
X148A, Lonsdale Building, Glasnevin, Dublin 9, Dublin, Ireland
Tel: +353 1 7006568
Email: kwokchuen.wong dcu.ie

--=20




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


--=20

 =20
=20
=20


--94eb2c0766484efaa7054e0d9446
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Dear Colleagues,

We will have Mathematical Finance =
seminar this Friday:

Everybody welcome,

Ryan

title:: D=
CU Math Finance (Umut Cetin, LSE)
content:: We develop a new class of pa=
th transformations for one-dimensional diffusions 
:: that are tailored =
to alter their long-run behaviour from transient to recurrent or vice versa=
. 
:: This immediately leads to a formula for the distribution of the fi=
rst exit times of diffusions, 
:: which is recently characterised by Kar=
atzas and Ruf as the minimal solution of 
:: an appropriate Cauchy probl=
em under more stringent conditions. These transformations also 
:: turn =
out to be instrumental in characterising the stochastic solutions of Cauchy=
 problems defined by 
:: the generators of strict local martingales, whi=
ch are well-known for not having unique solutions 
:: even though one re=
stricts the solutions to have linear growth. 
:: Using an appropriate di=
ffusion transformation we show that the aforementioned stochastic solution =

:: is the unique classical solution of an alternative Cauchy problem wi=
th suitable boundary conditions. 
:: This in particular resolves the lon=
g-standing issue of non-uniqueness with the Black-Scholes equations 
:: =
in derivative pricing in the presence of bubbles. Finally, we use these pat=
h transformations to 
:: propose a unified framework for solving explici=
tly the optimal stopping problem for 
:: one-dimensional diffusions with=
 discounting, which in particular is relevant for the pricing 
:: and th=
e optimal exercise boundaries of perpetual American options.


dat=
e-time:: 28th April at 11:00am
location:: DCU Business School, QG27
e=
ndevent::

-- 
Kwok Chuen Wo=
ng, Ryan
Lecturer in Financial M=
athematics
School of Mathematica=
l Sciences, Dublin City University
X148A, Lonsdale Bui=
lding, Glasnevin, Dublin 9, Dublin, Ireland
Tel: +353 1 7006568
Email: kwokchuen.wong dcu.ie





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







--94eb2c0766484efaa7054e0d9446--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 26 12:32:47 2017
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Date:         Wed, 26 Apr 2017 12:32:27 +0100
Reply-To:     "Richard M. Timoney" 
Sender:       UCD Maths Department Distribution List 
From:         "Richard M. Timoney" 
Subject: maths: Analysis seminars May 2nd and 9th
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                    ANALYSIS SEMINAR


Tuesday 2nd May, 2017  at 4.15pm  (place: UCD  Ag 1.01 )

Speaker: R. Smith 
Title: Approximation of norms in preduals of Lorentz spaces 

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

Tuesday 9th May, 2017  at 4.15pm  (place: UCD  Ag 1.01 )

Speaker: C. Gilmore 
Title: Growth rates of frequently hypercyclic harmonic functions 

Abstract
The notion of frequent hypercyclicity stems from ergodic theory and has
been an active area of research since it was introduced by Bayart and
Grivaux (2004).
Many natural continuous linear operators are frequently hypercyclic, for
instance the differentiation operator on the space of entire functions.
We will begin by recalling some basic examples and the pertinent notions
of frequent hypercyclicity.  We then consider the
partial differentiation operator acting on the space of harmonic functions
on $R^n$.  Our primary goal is to identify
sharp growth rates, in terms of the $L^2$-norm, of harmonic functions that
are frequently hypercyclic vectors for the basic partial differentiation
operator.  This answers a question posed by Blasco et al. (2010).
This is joint work with Eero Saksman and Hans-Olav Tylli. 


______________________________
C. Boyd , R. Timoney .

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



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: R. Smith  will speak on
::  Approximation of norms in preduals of Lorentz spaces 
date-time:: Tuesday 2nd May, 2017  at 4.15pm 
location:: UCD  Ag 1.01 
endevent::

title:: ANALYSIS SEMINAR
content:: C. Gilmore  will speak on
::  Growth rates of frequently hypercyclic harmonic functions 
date-time:: Tuesday 9th May, 2017  at 4.15pm 
location:: UCD  Ag 1.01 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 27 12:29:59 2017
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Date:         Thu, 27 Apr 2017 12:29:41 +0100
Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway
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--001a114e66aadb8e66054e244585
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Dear All,

We will have a Seminar Tuesday (May 2):  at 4pm in ADB1020.


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



Caitr=C3=ADona N=C3=AD Sh=C3=A9

from DCU



will speak on



=E2=80=9CTechnology enhanced Resources for Mathematics Education (TeRMEd)=
=E2=80=9D

 Abstract: This project, funded by the National Forum for the Enhancement
of Teaching and Learning, concerned the development of formative assessment
techniques to improve the teaching and learning experience of first year
undergraduate students attending non specialist mathematics modules.  It
had three main components: firstly, establishing the most problematic
concepts and procedures that these students encounter and the resources
they use to overcome the difficulties; secondly, creating formative
assessment tools for use in the classroom and technology enhanced resources
to be used by students to monitor and support their own progress; thirdly,
evaluating the impact of these resources. This presentation will report on
the outcomes of the initial student and lecturer surveys, demonstrate some
of the developed resources and outline the results of the evaluations.





Link: http://pageperso.lif.univ-mrs.fr/~giuseppe.dimolfetta/



Contact: Kirsten Pfeiffer



Hoping to see you all there,



Dieter, Haixuan and Michael



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

--001a114e66aadb8e66054e244585
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable



Dea=
r All,


We w=
ill have a Seminar Tuesday (May 2): =C2=A0at 4pm=C2=A0in ADB10=
20.




Coffee/tea/cakes/biscuits will be served from=C2=A03:30pm=C2=A0in ADB-G022.=


=C2=
=A0


Cait=
r=C3=ADona N=C3=AD Sh=C3=A9=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 


from=
 DCU


=C2=
=A0


will=
 speak on


=C2=
=A0


=E2=
=80=9CTechnology enhanced
Resources for Mathematics Education (TeRMEd)=E2=80=9D


=C2=
=A0Abstract: This project, funded by the National Forum for
the Enhancement of Teaching and Learning, concerned the development of
formative assessment techniques to improve the teaching and learning experi=
ence
of first year undergraduate students attending non specialist mathematics
modules.=C2=A0 It had three main components:
firstly, establishing the most problematic concepts and procedures that the=
se
students encounter and the resources they use to overcome the difficulties;
secondly, creating formative assessment tools for use in the classroom and
technology enhanced resources to be used by students to monitor and support
their own progress; thirdly, evaluating the impact of these resources. This
presentation will report on the outcomes of the initial student and lecture=
r
surveys, demonstrate some of the developed resources and outline the result=
s of
the evaluations.


=C2=
=A0


=C2=
=A0


Link=
: http:/=
/pageperso.lif.univ-mrs.fr/~giuseppe.dimolfetta/


=C2=
=A0


Cont=
act: Kirsten Pfeiffer


=C2=
=A0


Hopi=
ng to see you all there,


=C2=
=A0


Diet=
er, Haixuan and Michael


=C2=
=A0


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


=C2=A0=




--001a114e66aadb8e66054e244585--

From owner-mathdep LISTSERV.HEANET.IE  Fri Apr 28 15:01:59 2017
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Date:         Fri, 28 Apr 2017 14:01:38 +0000
Reply-To:     Lars Pforte 
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From:         Lars Pforte 
Subject: maths: Colloquium of the Department of Mathematics and Statistics at Maynooth University
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Colloquium of the Department of Mathematics and Statistics at Maynooth Univ=
ersity

Wednesday, 3rd May, 4pm in MS 2 in Logic House

Speaker: Dr. Erla Sturludottir, Science Institute, University of Iceland

Title: Marine ecosystem modeling: using an end-to-end model to test ecosyst=
em models

Please find an abstract here .

All welcome.


title:: Maynooth Maths-Stats Colloquium
content:: Dr. Erla Sturludottir
:: Science Institute, University of Iceland
:: presents a talk entitled "Marine ecosystem modeling: using an end-to-end=
 model to test ecosystem models"
date-time:: May 3, 2017 at 4 p.m.
location:: Maynooth MS2 Logic House
endevent::

-----------------------------------------------
Dr. Lars Pforte
Department of Mathematics & Statistics
Maynooth University
Maynooth
Co. Kildare

Tel: +353 1 708 6544
Fax: +353 1 708 3913


--_000_DB6PR02MB2983B4D891EB2C4650CDFA91FF130DB6PR02MB2983eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable









Colloquium of the Department of Mathematics and Statistics at Maynooth=
 University



Wednesday, 3rd May, 4pm in MS 2 in Logic House

  

Speaker: Dr. Erla Sturludottir, Science Institute, University of Iceland


Title: Marine ecosystem modeling: using an end-to-end model to test ecosyst=
em models



Please find an abstract here .



All welcome.





title:: Maynooth 
Maths-Stats Colloquium

content:: Dr. Erla Sturludottir

:: Science Institute, University of Iceland

:: presents a talk entitled "Marine ecosystem modeling: us=
ing an end-to-end model to test ecosystem models"

date-time:: May 3, 2017 at 4 p.m.

location:: Maynooth MS2 Logic House

endevent::



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

Dr. Lars Pforte

Department of Mathematics & Statistics

Maynooth University

Maynooth

Co. Kildare



Tel: +353 1 708 6544

Fax: +353 1 708 3913 







--_000_DB6PR02MB2983B4D891EB2C4650CDFA91FF130DB6PR02MB2983eurp_--

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Date:         Mon, 2 Apr 2018 03:06:30 -0600
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Sender:       UCD Maths Department Distribution List 
From:         Gord! 
Subject: Re: maths: new blog on Irish Cambridge connections pre 1900
Comments: To: Colm Mulcahy 
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Thank you Colm. A fantastic list to peruse.
Gord!

On 30 March 2018 at 07:38, Colm Mulcahy  wrote:

>
> new blog on Irish Cambridge maths connections pre 1900:
>
> http://www.mathsireland.ie/blog/2018_03_cm
>
> It was 62 people until a few hours ago.  Then a new Cavan man born in 1803
> came to light.  He's currently numbered 3.5, pending discovery of
> additional people who will also need to be added.
>
> Comments and corrections are, as always, welcome .
>
> Colm Mulcahy (Spelman College & UCD)
>
>
>
>


-- 






Gordon Hamilton
MMath, PhD

www.MathPickle.com
Put your students in a pickle!


Designer of Santorini 

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Thank you Colm. A fantastic list to peruse.Gord!
<=
div class=3D"gmail_extra">
On 30 March 2018 a=
t 07:38, Colm Mulcahy <cardcolm gmail.com> wrote:

new blog on Irish Cambri=
dge maths connections pre 1900:

http://www.maths=
ireland.ie/blog/2018_03_cm

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


Comments and corrections are, as always, welcome.





Colm Mulcahy (Spelman College=C2=A0& UCD)
<=
div>






-- 





Gordon HamiltonMMath, PhD

www.Ma=
thPickle.com=C2=A0
=
Put your students in a pickle!


Designer of=C2=A0Santori=
ni

=



=



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*Dublin Theoretical Physics Colloquium*

*Time*: Wednesday, 4th of April at 16:00 p.m.

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

*Speaker*: Giuseppe Policastro (Ecole Normale Sup=C3=A9rieure, Paris)

*Title: *Holographic complexity and defect CFT

*Abstract:* Recently the concept of complexity has been proposed by Susskin=
d
as a measure of the more subtle properties of information processing in the
context of black holes physics, and a conjecture on how to measure this
quantity in the holographic correspondence was put
forward. It still remains to be proven, however, that the complexity can be
a useful and well-defined concept in quantum field theory. I will describe
this developments, then present our calculation of the complexity for a
conformal field theory in presence of a defect.



title:: Dublin Theoretical Physics Colloquium
content:: Giuseppe Policastro (ENS, Paris) will speak on
:: Holographic Complexity and Defect CFT
date-time::  Wednesday the 4th of April at 16:00pm
location:: Synge Lecture Theatre, School of Mathematics, Trinity College
Dublin
endevent::

--000000000000273ed60568dd5ba3
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<=
div class=3D"gmail_quote">Dubli=
n Theoretical Physics Colloquium
=C2=A0
Time=
: Wednesday, 4th of April at 16:00 p.m.

=
Location: Synge Lecture Theatre, Westland Row, Trinity College Dublin.<=
/div>
Speaker: Giuseppe Policastro (Ecole =
Normale Sup=C3=A9rieure, Paris)
=

Title: Holographic complexity and defect =
CFT

Abstract: Recently the concept of complexity has been proposed by=C2=A0Susskind as a measure of the more=C2=A0subtle properties of information processing in the cont=
ext of black=C2=A0holes physics, and a co=
njecture on how to=C2=A0measure this quan=
tity in the holographic correspondence was put
forward. It still remains to be proven, however, that=C2=A0the complexity can be a useful and well-defined conce=
pt in quantum field theory.=C2=A0I will d=
escribe this developments, then present our calculation of the=C2=A0=
complexity for a conformal field theory in prese=
nce of a defect.



title<=
/span>:: Dublin Theoretical Physics Colloquium
content:: Giuseppe Policastro (ENS, Paris) w=
ill speak on=C2=A0=C2=A0
:: Holographic Compl=
exity and Defect CFT
date-time::=C2=A0=C2=A0Wednesday t=
he 4th of April at 16:00pm
location:: Synge Lecture Theatre, School of Mathem=
atics, Trinity College Dublin
endevent::









--000000000000273ed60568dd5ba3--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  3 09:49:27 2018
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Subject: maths: 50 Years of NBFAS
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50 Years of North British Functional Analysis Seminar

It is now just over a week away, our 50 Years of NBFAS celebration at the I=
CMS in Edinburgh, 12-14 April !
All the information is available at

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

where you also find the detailed programme of the event and a list of parti=
cipants.

I hope many of you will be able to come.

Best wishes,

Martin Mathieu
NBFAS Secretary

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

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


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50 Years of North British Functional Analysis Seminar=

 
It is now just over a week away, our
50 Years of NBFAS celebration at the ICMS in Edinburgh, 12-14=
 April !
All the information is available at

 
http://www.icms.org.u=
k/NBFAS2018.php
 
where you also find the detailed programme of the event and a list of =
participants.
 
I hope many of you will be able to come.
 
Best wishes,
 
Martin Mathieu
NBFAS Secretary
 
--------------------------=
-------------------------------------------------------
Dr Martin Mathieu, MRIA
Mathematical Sciences Rese=
arch Centre
School of Mathematics and =
Physics
Queen’s University B=
elfast
Belfast BT7 1NN=

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

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




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Subject: maths: DCU C-fAR Seminar, Fri April 6th, 11am
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Dear colleagues,

Details of this week's DCU C-fAR seminar are as follows:

Speaker: Dr. Nguyen Viet Dang, *Universit=C3=A9 Claude Bernard Lyon I*

Title: *Renormalization of quantum field theory on Riemannian manifolds*
Abstract: I will present an overview of results obtained with Estanislao
Herscovich (UJF Grenoble) and Bin Zhang (Sichuan University). We will start
by giving a simple example which shows the necessity to subtract infinities
in quantum field theory. Then we introduce the notion of Feynman amplitudes
and study their singularities using a zeta regularization with several
parameters. Finally we will apply this method to perturbative
renormalization of quantum field theories on Riemannian manifolds.

Date: Friday April 6th   11am

Location: Lonsdale Building (X Building) Room X130
https://www.dcu.ie/info/campus.shtml

All welcome. Tea/coffee/biscuits served in the common room X138 at 10:45am.

Cheers,
Peter.


--=20
Dr. Peter Taylor

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

--=20




*S=C3=A9anadh R=C3=ADomhphoist/Email DisclaimerT=C3=A1 an r=C3=ADomhphost s=
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This e-mail and any files transmitted with it are confidential and are inte=
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<=
div class=3D"gmail_quote">Dear=
 colleagues,

Details of this week's DCU C-fAR seminar are as =
follows:

Speaker: Dr. Nguye=
n Viet Dang, Univer=
sit=C3=A9 Claude Bernard Lyon ITitle:=C2=A0Renormalization of quantum field theory on Riemannian manifolds<=
/font>
Abstract:=C2=A0I will present an overview=
 of results obtained with Estanislao Herscovich (UJF Grenoble) and Bin Zhan=
g (Sichuan University). We will start by giving a simple example which show=
s the necessity to subtract infinities in quantum field theory.=C2=A0Then we introduce the notion of Feynman amplitu=
des and study their singularities using a zeta regularization with several =
parameters. Finally we will apply this method to perturbative renormalizati=
on of quantum field theories on Riemannian manifolds.=C2=A0



=

Date: Friday April=
 6th=C2=A0  11am

Location: Lonsdale Building (X Building) Room X130
https://www.dcu.ie/info/campus.shtml
<=
div style=3D"font-weight:400;color:rgb(34,34,34);background-color:rgb(255,2=
55,255);font-size:12.8px">
All welcome.=
 Tea/coffee/biscuits served in the common room X138 at 10:45am.

Cheers,
Peter.

-- 
Dr. Pete=
r Taylor
Assistant Pro=
fessor
Center for Astro=
physics and Relativity
=
School of Mathematical Sciences
Dublin City University.www.=
taylorexpansion.net






S=C3=A9anadh R=C3=ADomhphoist/Email Disclaimer=
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=C3=A9amh anseo.=C2=A0
This e-mail and any files transmitted with it are confidential and a=
re intended solely for use by the addressee. Read more here.







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From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  3 13:48:34 2018
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Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Laurent Vuillon (University Savoie Mont Blanc)

Title: Combinatorics on words for Markoff numbers

Abstract: Markoff numbers are fascinating integers related to number theory, hyperbolic geometry, continued fractions and Christoffel words. Many great mathematicians have worked on these numbers and the 100 years famous uniqueness conjecture by Frobenius is still unsolved. In this talk, we state a new formula to compute the Markoff numbers using iterated palindromic closure and the Thue-Morse substitution. The main theorem shows that for each Markoff number m, there exists a word v in {a, b}∗ such that m − 2 is equal to the length of the iterated palindromic closure of the iterated antipalindromic closure of the word av. This construction gives a new recursive construction of the Markoff numbers by the lengths of the words involved in the palindromic closure.

Date: Thursday, April 12, 2018
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Laurent Vuillon (University Savoie Mont Blanc) will speak on
:: Combinatorics on words for Markoff numbers
date-time:: Thursday, April 12, 2018 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

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*Dublin Theoretical Physics Colloquium*

*Time*: Wednesday, 4th of April at 16:00 p.m.

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

*Speaker*: Giuseppe Policastro (Ecole Normale Sup=C3=A9rieure, Paris)

*Title: *Holographic complexity and defect CFT

*Abstract:* Recently the concept of complexity has been proposed by Susskin=
d
as a measure of the more subtle properties of information processing in the
context of black holes physics, and a conjecture on how to measure this
quantity in the holographic correspondence was put
forward. It still remains to be proven, however, that the complexity can be
a useful and well-defined concept in quantum field theory. I will describe
this developments, then present our calculation of the complexity for a
conformal field theory in presence of a defect.



title:: Dublin Theoretical Physics Colloquium
content:: Giuseppe Policastro (ENS, Paris) will speak on
:: Holographic Complexity and Defect CFT
date-time::  Wednesday the 4th of April at 16:00pm
location:: Synge Lecture Theatre, School of Mathematics, Trinity College
Dublin
endevent::

--000000000000549fa5056902d9b2
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable


D=
ublin Theoretical Physics Colloquium
=C2=A0
Time=
: Wednesday, 4th of April at 16:00 p.m.

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

Speaker: Giuseppe Policastro (Ec=
ole Normale Sup=C3=A9rieure, Paris)

Title:=
 Holographic complexity and def=
ect CFT

Abstract: Recently the concept of complexity has been proposed by=C2=A0<=
span style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12=
.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:norm=
al;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;t=
ext-transform:none;white-space:normal;word-spacing:0px;background-color:rgb=
(255,255,255);text-decoration-style:initial;text-decoration-color:initial;f=
loat:none;display:inline">Susskind as a measure of the more=C2=A0subtle properties of information processing in the =
context of black=C2=A0holes physics, and =
a conjecture on how to=C2=A0measure this =
quantity in the holographic correspondence was put
forward. It still remains to be proven, however, that=C2=A0<=
span style=3D"color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12=
.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:norm=
al;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;t=
ext-transform:none;white-space:normal;word-spacing:0px;background-color:rgb=
(255,255,255);text-decoration-style:initial;text-decoration-color:initial;f=
loat:none;display:inline">the complexity can be a useful and well-defined c=
oncept in quantum field theory.=C2=A0I wi=
ll describe this developments, then present our calculation of the=C2=A0complexity for a conformal field theory in p=
resence of a defect.



title:: Dublin Theoretical P=
hysics Colloquium
content:: Giuseppe Policastro (=
ENS, Paris) will speak on=C2=A0=C2=A0
:: Holo=
graphic Complexity and Defect CFT
date-time::=C2=A0=C2=A0Wednesday the 4th of April at 16:00pm
location:: Synge Lecture Theatre, School of Mathematics, Trin=
ity College Dublin
endevent::











--000000000000549fa5056902d9b2--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr  4 11:19:44 2018
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From:         "Richard M. Timoney" 
Subject: maths: Analysis seminar 10/April
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                    ANALYSIS SEMINAR



Tuesday 10th April, 2018  at 4.00pm  (place: UCD  Science North 125 )

Speaker: H. Render 
Title: Generalized Bernstein operators 

Abstract
In this talk we discuss the existence and properties of generalized
Bernstein operators in the context of extended Chebyshev spaces.
Special analysis is given to Bernstein operators in the polynomial
setting which fix the constant function 1 and the function $x^3$
with respect to an interval $[a,b]$ containing 0.

This talk is based on a joint work with
J.M. Aldaz (Universidad Autonoma de Madrid) 


______________________________
C. Boyd , R. Timoney .

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



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: H. Render  will speak on
::  Generalized Bernstein operators 
date-time:: Tuesday 10th April, 2018  at 4.00pm 
location:: UCD  Science North 125 
endevent::

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Date:         Wed, 4 Apr 2018 14:09:13 +0000
Reply-To:     "Dendrinos, Spyridon" 
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From:         "Dendrinos, Spyridon" 
Subject: maths: UCC Mathematics Seminar
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Dear Colleagues,

You are all welcome to the following seminar:

UCC Mathematics Seminar

Time and location: 5-6pm, Tuesday 10 April, WGB G08
(please note the time is one hour later than usual)

Speaker: Dan Petersen (University of Copenhagen)

Title: Moduli spaces and operads

Abstract:

The moduli space of Riemann surfaces parametrizes all complex structures on=
 a two-dimensional surface. After compactifying the moduli space one finds =
an interesting structure corresponding to how surfaces can be glued togethe=
r. Specifically, these gluings give rise to something called an operad, and=
 this leads to an interesting interplay between algebra and geometry.


Best wishes,

Spyros Dendrinos


--_000_DB7PR02MB38192CB56CE63CC6D25AC1B0BAA40DB7PR02MB3819eurp_
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Dear Colleagues,

 
You are all welcome to the f=
ollowing seminar:
 
UCC Mathematics Seminar

 
Time and location:
5-6pm, Tuesday 10 April=
, WGB G08
(please note the time is one=
 hour later than usual)
 
Speaker: Dan Petersen
=
(University of Copenhagen)

 
Title:<=
font color=3D"#222222" face=3D"Calibri,sans-serif" size=3D"3"> Moduli spaces and operads


 
Abstract:

<=
span lang=3D"EN-IE" style=3D"background: white; color: rgb(34, 34, 34); mso=
-fareast-font-family: "Times New Roman"; mso-bidi-font-family: Ar=
ial; mso-ansi-language: EN-IE; mso-fareast-language: EN-GB;">The
 moduli space of Riemann surfaces parametrizes all complex structures on a =
two-dimensional surface. After compactifying the moduli space one finds an =
interesting structure corresponding to how surfaces can be glued together. =
Specifically, these gluings give
 rise to something called an operad, and this leads to an interesting inter=
play between algebra and geometry.
<=
span lang=3D"EN-IE" style=3D"background: white; color: rgb(34, 34, 34); mso=
-fareast-font-family: "Times New Roman"; mso-bidi-font-family: Ar=
ial; mso-ansi-language: EN-IE; mso-fareast-language: EN-GB;">


<=
span lang=3D"EN-IE" style=3D"background: white; color: rgb(34, 34, 34); mso=
-fareast-font-family: "Times New Roman"; mso-bidi-font-family: Ar=
ial; mso-ansi-language: EN-IE; mso-fareast-language: EN-GB;">Best
 wishes,
<=
span lang=3D"EN-IE" style=3D"background: white; color: rgb(34, 34, 34); mso=
-fareast-font-family: "Times New Roman"; mso-bidi-font-family: Ar=
ial; mso-ansi-language: EN-IE; mso-fareast-language: EN-GB;">Spyros
 Dendrinos









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From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  5 15:46:09 2018
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Dear colleagues,

As part of the *Irish Quantum Foundations 2018
* meeting, we are delighted to host two
special public lectures on the evening of *Monday May 28th *in the *DCU St.
Patrick's College* campus:

   -

   *Prof. Duncan Haldane* (Nobel Prize in Physics 2016) will give a talk
   entitled *"Entanglement: Einstein's gift to quantum mechanics"*.
   -

   *Dr. Sabine Hossenfelder* will give a talk based on her recent book *"Lo=
st
   in Math: How Beauty Leads Physics Astray"*.


This is a ticketed event, but there is no charge for attendance, and all
are welcome. Please register using this link:

https://www.eventbrite.com/e/iqf-2018-public-lectures-prof-d
uncan-haldane-dr-sabine-hossenfelder-tickets-44844392786


About the speakers:

Prof. Duncan Haldane is a British born physicist who is currently the
Sherman Fairchild University Professor of Physics at Princeton University,
and a Distinguished Visiting Research Chair
 at Perimeter
Institue for Theoretical Physics. He was awarded the 2016 Nobel Prize in
Physics with David J Thouless and John Michael Kosterlitz for theoretical
discoveries of topological phase transitions and topological phases of
matter.

Dr. Sabine Hossenfelder is a theoretical physicist at the Frankfurt
Institute of Advanced Studies. She is a freelance science writer and author
of the book "Lost in Math: How Beauty Leads Physics Astray". Sabine's
research focuses on the foundations of physics and, in particular, quantum
gravity, but her interests extend to the philosophy and sociology of
science. Since 2006, she has been writing the very popular blog
Backreaction.


On behalf of the IQF organizing committee,
Peter Taylor.


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


--=20
Dr. Peter Taylor

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

--=20
*

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*This e-mail and any=20
files transmitted with it are confidential and are intended solely for use=
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*



*

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--001a113fb8841a326f05691aff1a
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Dear colleagues,

As part of the=C2=A0Iris=
h Quantum Foundations 2018=C2=A0meeting, we are delighted to host t=
wo special public lectures on the evening of Monday May 28th in the =
DCU St. Patrick's College campus:Prof. Duncan Haldane=
=C2=A0(Nobel Prize in Physics 2016) will give a talk entitled=C2=A0<=
font color=3D"#351c75">"Entanglement: Einstein's gi=
ft to quantum mechanics".
Dr. Sabine Hossenfelder=C2=A0will give a =
talk based on her recent book=C2=A0=
"Lost in Math: How Beaut=
y Leads Physics Astray".

This is a ticketed event, but there is no charge for atten=
dance, and all are welcome. Please register using this link:<=
/div>
=
https://www.eventbrite.com/e/iqf-2018-public-lectur=
es-prof-duncan-haldane-dr-sabine-hossenfelder-tickets-44844392786=


About the speakers:
Prof. Duncan Haldane=C2=A0is a British born physicist=
 who is currently the Sherman Fairchild University Professor of Physics at =
Princeton University, and a Distinguished Visiting Research Ch=
air=C2=A0at Perimeter Institue for Theor=
etical Physics. He was awarded the 2016 Nobel Prize in Physics=
=C2=A0with David J Thouless and John Michael Kost=
erlitz=C2=A0for theoretical di=
scoveries of topological phase transitions and topological phases of matter=
.
Dr. Sabine Hossenfelder is a theoretical physicist at the Frankfurt=
 Institute of Advanced Studies. She is a freelance science writer and autho=
r of the book "Lost in Math: How Beauty Leads Physics Astray". Sa=
bine's research focuses on the foundations of physics and, in particula=
r, quantum gravity, but her interests extend to the philosophy and sociolog=
y of science. Since 2006, she has been writing the very popular blog Backre=
action.


On behal=
f of the IQF organizing committee,
Peter Taylor.


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

<=
/div>

-- 
Dr. Peter Taylor
Assistant Professor
Center for Astrophysics and Relativity
School of Mathematical Sci=
ences
Dublin City Unive=
rsity.
www.taylorexpansion.net






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







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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  6 13:26:14 2018
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From:         Colm O Dunlaing 
Subject: maths: call for registration and papers, HMIGCA-18
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 HMI Workshop on Geometric Computation, Dublin, June 2018
      CALL FOR REGISTRATION AND CONTRIBUTED TALKS
 
 This workshop will run from Sunday 17 June (reception)
 through Thursday 21 June, in Trinity College, Dublin. It is
 supported by the HMI (Hamilton Mathematics Institute, TCD).
 
 There will be lectures from 5 invited speakers
 in important areas of Computational Geometry and Topology.
 Participants are also invited to contribute a talk.
 
 If you would like to contribute a short talk, you can indicate so on the
 registration form. Subject to time constraints, proposed talks will
 be considered by the committee on a first-come-first-served basis.
 See www.maths.tcd.ie/~hmigca-18.
 
 The talks will be invaluable to students, postdocs, researchers in
 other areas, and other computational geometers.
 Applications include data-structures in high dimensional spaces,
 engineering design, and data analysis in multimedia, medicine,
 and finance.
 
 Registration is free, but it is required.  The registration
 form can be downloaded from the website.
 
 Accommodation: there are some on-campus apartments available.
 They are offered at special promotional rates, and graduate
 students taking on-campus apartments will have the cost reimbursed
 to 50% of the minimum rate.
 
 You can indicate your interest in an apartment through the
 registration form. In that case, if apartments are still available,
 you will receive a special promotion code by email.
 But please note that demand is high.
 
 For more details:
       www.maths.tcd.ie/~hmigca-18
       hmigca-18 maths.tcd.ie
 
 Best wishes from the workshop organisers
 Rolf Klein, Colm O Dunlaing, Jose Refojo, and Chee-Keng Yap.

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Date:         Fri, 6 Apr 2018 14:16:14 +0000
Reply-To:     "Henry, David" 
Sender:       UCD Maths Department Distribution List 
From:         "Henry, David" 
Subject: maths: UCC Applied Mathematics Seminar, Thursday 12 April
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Dear Colleagues,


All are welcome at the following seminar:


UCC Applied Mathematics Seminar

Speaker: Guenther Hoermann (University of Vienna)

Time and location: 12pm, Thursday 12 April, WGB G02

Title: Wave-breaking and weak solutions for the Fornberg-Whitham equation

Abstract: The so-called Fornberg-Whitham equation was introduced as an inte=
gro-differential equation in the hope to obtain a particularly simple model=
 for shallow water waves with wave breaking. We will discuss mathematical a=
spects for the periodic as well as for the non-periodic case. The first par=
t will describe published results on well-posedness and blow-up in the form=
 of wave breaking. In the second part, we report on work in progress about =
the construction of discontinuous traveling waves as weak solutions on the =
real line and periodic (weak) entropy solutions.




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





Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 12 April AT 12pm
location:: WGB G02
content:: Guenther Hoermann

:: (University of Vienna)
:: presents a talk entitled
:: "Wave breaking and weak solutions for the Fornberg-Whitham equation"
endevent::



--_000_DB3PR02MB028149B3993E7C7D0C4C9D368FBA0DB3PR02MB0281eurp_
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Dear Colleagues,
















All are welcome at the following seminar:



UCC Applied Mathematics Seminar 





Speaker: Guenther
 Hoermann (University of Vienna)<=
/font>=




Time and location: 12pm, Thursday 12 April, WGB G02


Title: =
Wave-breaking and weak solutions for the Fornberg-Whitham equation


Abstract: The so-called Fornberg-Whitham equation was in=
troduced as an integro-differential equation in the hope to obtain a partic=
ularly simple model for shallow water waves with wave breaking. We will dis=
cuss mathematical aspects for the
 periodic as well as for the non-periodic case. The first part will describ=
e published results on well-posedness and blow-up in the form of wave break=
ing. In the second part, we report on work in progress about the constructi=
on of discontinuous traveling waves
 as weak solutions on the real line and periodic (weak) entropy solutions.<=
/span>







































=


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


































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



title:: UCC 
Applied 
Maths 
Seminar

date-time:: Thursday 12 April AT 12pm

location:: WGB G02

content:: Guenther Hoermann

<=
/span>

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

:: "<=
/font><=
span>Wave
 breaking and weak solutions for the Fornberg-Whitham equation"

=
endev=
ent::




<=
/font>
































































--_000_DB3PR02MB028149B3993E7C7D0C4C9D368FBA0DB3PR02MB0281eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Sun Apr  8 20:44:03 2018
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Date:         Sun, 8 Apr 2018 19:43:40 +0000
Reply-To:     Ciaran Mac an Bhaird 
Sender:       UCD Maths Department Distribution List 
From:         Ciaran Mac an Bhaird 
Subject: Maths: Third Annual Huxley Lecture on the History of Mathematics
To:           MATHDEP LISTSERV.HEANET.IE
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Dear all,


The Department of Mathematics and Statistics have the pleasure in announcin=
g the third annual Huxley Lecture on the History of Mathematics by Dr Phili=
p Beeley from the University of Oxford, on Tuesday 24th of April at 6pm (Re=
nehan Hall).

Title: 'To the very Fountains of Mathematical Learning'. Euclid's Elements =
and the reform of university teaching around 1700.

Further details are available at  https://www.maynoot=
huniversity.ie/mathematics-and-statistics/huxleylecture2018


Le meas,

Ciar=E1n


title:: Huxley Lecture on the History of Mathematics
content:: Dr Philip Beeley
::  Maynooth University
:: presents a talk on Euclid's Elements and the reform of university teachi=
ng around 1700
date-time:: April 24 2017 at 6 p.m.
location:: Maynooth, Renehan Hall, South Campus
endevent::



Dr. Ciar=E1n Mac an Bhaird


Lecturer and MSC Director


Department of Mathematics and Statistics


Maynooth University


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


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


--_000_DB5PR02MB07114BF369B9A137E7B3184E8CA70DB5PR02MB0711eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable










Dear all,





The Dep=
artment of Mathematics and Statistics have the pleasure in announcing =
the third annual
 Huxley Lecture on the History of Ma=
thematics by Dr Philip Beeley from
 the University of Oxford, on Tuesda=
y 24th of April at 6pm (Renehan Hall).&nb=
sp;







Title: =
'=
To the
 very Fountains of Mathematical Learning'. Euclid's Elements and the reform=
 of university teaching around 1700.

 




Further details a=
re available at https=
://www.maynoothuniversity.ie/mathematics-and-statistics/huxleylecture2018





 


Le meas,



Ciar=E1n









title:: Huxley Lecture =
on the History of Mathematics

content:: Dr
 Philip Beeley

::  Maynooth Unive=
rsity 

:: presents a talk on&n=
bsp;Euclid's
 Elements and the reform of university teaching around 1700
date-time:: April 24 20=
17 at 6 p.m.

location:: Maynooth, Re=
nehan Hall, South Campus

endevent::








Dr. Ciar=E1n Mac an Bhaird



Lecturer and MSC Director



Department of Mathematics and Statistics



Maynooth University



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





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











--_000_DB5PR02MB07114BF369B9A137E7B3184E8CA70DB5PR02MB0711eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  9 09:17:59 2018
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Date:         Mon, 9 Apr 2018 08:17:49 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: Maths: Seminar: Asset Prices in Segmented and Integrated Markets, Friday 13th at 4p.m. Room A2-002, University of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9336B7DEexMbx3ulcampus_
Content-Type: text/plain; charset="us-ascii"
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Content::

MACSI

The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Prof Paolo Guasoni (Dublin City University

Title: Asset Prices in Segmented and Integrated Markets


Abstract: This paper evaluates the effect of market integration on prices a=
nd welfare, in a model where two Lucas trees grow in separate regions with =
similar investors. We find equilibrium asset price dynamics and welfare bot=
h in segmentation, when each region holds its own asset and consumes its di=
vidend, and in integration, when both regions trade both assets and consume=
 both dividends. Integration always increases welfare. Asset prices may inc=
rease or decrease, depending on the time of integration, but decrease on av=
erage. Correlation in assets' returns is zero or negative before integratio=
n, but significantly positive afterwards, explaining some effects commonly =
associated with financialization.

This seminar will take place on Friday 13th April, at 4p.m. in Room A2-002

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

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



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







--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9336B7DEexMbx3ulcampus_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









Content:: <=
/span>
 
MACSI=

 
The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by Prof Paolo Guasoni (Dublin City University
 
Title:
Asset Prices in Segmented and Integrated Market=
s
 
Abstract:
This paper evaluates the effect of market integ=
ration on prices and welfare, in a model where two Lucas trees grow in sepa=
rate regions with similar investors. We find equilibrium asset price dynami=
cs and welfare both in segmentation,
 when each region holds its own asset and consumes its dividend, and in int=
egration, when both regions trade both assets and consume both dividends. I=
ntegration always increases welfare. Asset prices may increase or decrease,=
 depending on the time of integration,
 but decrease on average. Correlation in assets' returns is zero or negativ=
e before integration, but significantly positive afterwards, explaining som=
e effects commonly associated with financialization. 
 
This seminar will tak=
e place on
Friday 13^th April, at 4p.m. in Room A2-002
 
If you have any questions regarding th=
is seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011
 
--------------------------------------=
--------------------------------------
Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
 
 
 
Peg Ha=
nrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.hanrahan ul.ie

 
 
 
 
 
 




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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  9 12:51:05 2018
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UCD Algebra and Number Theory Seminar

Speaker: Damjana Kokol Bukovsek (Ljubljana)

Title: Commuting graph of the algebra of matrices

Abstract: Let A be a groupoid, that is, a nonempty set equipped with an inner operation, 
written as a product ab. The essence of commutativity relation on A is captured in its
commuting graph \Gamma(A). By definition, this is a simple graph whose vertices are
all non central elements of A and where two distinct vertices a and b are connected if
they commute in A. One of the basic properties of a graph is its diameter and connectedness.
This question turned out to be surprisingly hard for the commuting graphs.

We will consider the commuting graph of M_n(F), the algebra of n x n matrices over a field F. 
If F is algebraically closed and n is greater than or equal to 3, then the diameter of the 
commuting graph \Gamma(M_n(F)) is 4. The diameter of a connected commuting graph of
M_n(F) is bounded above by 6. The commuting graph of M_n(\mathbb{Q}) is disconnected for
any n greater than or equal to 2, but for each prime greater than or equal to 7 there exist two
similar matrices A and B in M_{2p}(\mathbb{Q}) at maximal possible distance 6. If F is a finite field, then \Gamma(M_n(F)) is a finite graph and it has the following properties: if n is greater than or equal to 4 and even, then its diameter is 4. If n is prime, then it is disconnected. If n is 
odd and is neither a prime nor a square of a prime, then its diameter is at most 5. 

Date: Thursday, April 19, 2018
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Damjana Kokol Bukovsek (Ljubljana) will speak on
:: Commuting graph of the algebra of matrices
date-time:: Thursday, April 19, 2018 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

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Date:         Wed, 11 Apr 2018 11:52:04 +0100
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Subject: maths: Geometric Computation, Dublin, June: call for registration and papers
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      CALL FOR REGISTRATION AND CONTRIBUTED TALKS
 
 This workshop will run from Sunday 17 June (reception)
 through Thursday 21 June, in Trinity College, Dublin. It is
 supported by the HMI (Hamilton Mathematics Institute, TCD).
 
 There will be lectures from 5 invited speakers, plus short
 talks by participants (see www.maths.tcd.ie/~hmigca-18),
 in important areas of Computational Geometry and Topology.
 
 Areas of application include data-structures in high dimensional spaces,
 engineering design, and data analysis in multimedia, medicine,
 and finance.
 
 The talks will be invaluable for students, postdocs, researchers in
 other areas, and other computational geometers.
 
 If you would like to contribute a short talk, you can indicate so on the
 registration form. Subject to time constraints, proposed talks will
 be considered by the committee on a first-come-first-served basis.
 
 Registration is free, but it is required.  The registration
 form can be downloaded from the website.
 
 Accommodation: there are some on-campus apartments available.
 They are offered at special promotional rates, and graduate
 students taking on-campus apartments will have the cost partly
 reimbursed.
 
 You can indicate your interest in an apartment through the
 registration form. In that case, if apartments are still available,
 you will receive a special promotion code by email.
 But please note that demand is high.
 
 For more details:
       www.maths.tcd.ie/~hmigca-18
       hmigca-18 maths.tcd.ie
 
 Best wishes from the workshop organisers
 Rolf Klein, Colm O Dunlaing, Jose Refojo, and Chee-Keng Yap.

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Date:         Wed, 11 Apr 2018 14:37:08 +0000
Reply-To:     "Dendrinos, Spyridon" 
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Subject: maths: UCC Mathematics Seminar
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Dear Colleagues,

You are all welcome to the following seminar:

UCC Mathematics Seminar

Time and location: 4-5pm, Tuesday 17 April, WGB G08

Speaker: Neil O'Connell (UCD)

Title: Birational RSK correspondence and Whittaker functions

Abstract:

The Robinson-Schensted-Knuth (RSK) correspondence is a combinatorial biject=
ion which plays an important role in the theory of Young tableaux and symme=
tric functions, particularly in understanding combinatorial aspects of Schu=
r polynomials (Cauchy-Littlewood identity, Littlewood-Richardson rule, etc.=
). I will give some background on this and then explain how a birational ve=
rsion of the RSK correspondence provides a similar `combinatorial=92 framew=
ork for the study of GL(n,R)-Whittaker functions.  These functions arise in=
 the context of automorphic forms associated with GL(n,R), and reduce to th=
e classical Whittaker functions in the case n=3D2.


Best regards,

Spyros Dendrinos


--_000_DB7PR02MB3819B503DFDC5D74A8753F02BABD0DB7PR02MB3819eurp_
Content-Type: text/html; charset="Windows-1252"
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Dear Colleagues,

 
You are all welcome to the f=
ollowing seminar:
 
UCC Mathematics Seminar

 
Time and location:
4-5pm, Tuesday 17 April=
, WGB G08
 <=
/span>
Speaker: Neil O'Connell (UCD)

 
Title:<=
font color=3D"#222222" face=3D"Calibri,sans-serif" size=3D"3">
Birational
 RSK correspondence and Whittaker functions


 
Abstract:

The Robinson-Schensted-Knuth
 (RSK) correspondence is a combinatorial bijection which plays an important=
 role in the theory of Young tableaux and symmetric functions, particularly=
 in understanding combinatorial aspects of Schur polynomials (Cauchy-Little=
wood identity, Littlewood-Richardson
 rule, etc.). I will give some background on this and then explain how a bi=
rational version of the RSK correspondence provides a similar `combinatoria=
l=92 framework for the study of GL(n,R)-Whittaker functions.  These fu=
nctions arise in the context of automorphic
 forms associated with GL(n,R), and reduce to the classical Whittaker funct=
ions in the case n=3D2.





Best regards,
Spyros Dendrinos







--_000_DB7PR02MB3819B503DFDC5D74A8753F02BABD0DB7PR02MB3819eurp_--

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Subject: maths: UCD Probability Seminar
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*** Note slightly earlier than usual time ***

UCD Probability Seminar

Speakers:   Pierre Le Doussal and Alexandre Krajenbrink (Paris)

Title:   Large deviation tails for the KPZ equation

Date:    Wednesday, 18th April 2018

Time:    1.30pm - 3pm

Location:    UCD, 125 Science North (JK Lab)

Abstract:  We present informally recent results on the large deviations =
for the distribution of the height of a growing interface described by =
the Kardar-Parisi-Zhang equation. The large time large deviation rate =
function is calculated using Coulomb gas methods. The short time rate =
functions are also obtained for several initial conditions. The =
numerical determination of the rate function is in good agreement with =
the predictions.=20


%%%%%%%%%%

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

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


%%%%%%%%%%


title:: UCD Probability Seminar
content:: Pierre Le Doussal and Alexandre Krajenbrink (Paris) will speak =
on
:: Large deviation tails for the KPZ equation
date-time::   Wednesday, 18th April 2018 at 1:30pm - 3:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::


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*** Note slightly earlier than usual time ***

UCD Probability =
Seminar

Speakers:   Pierre Le =
Doussal and Alexandre Krajenbrink (Paris)

Title:   Large deviation tails for the KPZ equation

Date:    Wednesday, 18th April =
2018

Time:    1.30pm - =
3pm

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

Abstract:  We =
present informally recent results on the large deviations for the =
distribution of the height of a growing interface described by =
the Kardar-Parisi-Zhang equation. The large time large =
deviation rate function is calculated using Coulomb gas methods. The =
short time rate functions are also obtained for several initial =
conditions. The numerical determination of the rate function is in =
good agreement with the predictions. 


%%%%%%%%%%

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


title:: UCD Probability =
Seminar
content:: Pierre Le Doussal and Alexandre =
Krajenbrink (Paris) will speak on
:: Large deviation tails =
for the KPZ equation
date-time:: =
  Wednesday, 18th April 2018 at 1:30pm - 3:00pm
location:: UCD, 125 Science North (JK Lab)
endevent::

=

--Apple-Mail=_D02634BC-6B50-4AF1-B966-5021F68A7A53--

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this format, some or all of this message may not be legible.

--B_3606467443_1372584394
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=20

The 141th European Study Group with Industry, ESGI141, University College D=
ublin

25th-29th June 2018

=20

ESGI141 is a week-long workshop that provides a forum for industrial scient=
ists to work alongside academics on a project submitted by the industrial pa=
rticipant. ESGI=E2=80=99s started with the first Study Group in Oxford in 1968 and=
 now there are 5-7 meetings each year across Europe. A study group can accom=
modate 4 industrial projects, which are tackled by 40-80 academics ranging f=
rom PhD students to Professors.=20

=20

Workshop format:
On the first day, the industrial representative outlines their project and =
their objectives in a 40-min presentation.=20
In the following days a group of 10-20 academics (Professors and PhD studen=
ts) are devoted to brainstorming, modelling and solving the problem closely =
guided by the industrial representative.
On the Friday, the progress and recommended routes forward are presented by=
 a member of each group of academics in a 40-min presentation.
Reports on the problem deliberations are produced after the meeting.=20
=20

Join the problem solvers. If you would like to participate:

Please complete the registration form: Registration
Who can participate within the study group?
This is open to all academic staff and researchers, research assistants, an=
d postgraduate students working within the mathematical and statistical scie=
nces. Participants are free to choose which projects they would like to work=
 on. Some people like to work intensively on one project, others prefer to c=
ontribute to a number of projects.
What type of problem do we have to solve? Please see below a list of some p=
roblems at previous ESGIs
Energy and utilities: 101 projects submitted to date including: Electricity=
 price predictability and quantifying customer suitability.; Oil Blending: M=
ixing and Contamination; Piped water cooling of concrete dams.
Environment: 34 projects submitted to date including: Modelling and Optimiz=
ation of Algae Growth.; Modelling of selection and mating decisions in tree =
breeding programs.; An objective method to associate local weather extremes =
with characteristic circulation structures.
Finance: 39 projects submitted to date including: Calibrating the mean reve=
rting jump diffusion model to Australian spot electricity prices.; Optimizat=
ion of commodity portfolio management.; Estimating the volatility of propert=
y assets.
Medical and pharmaceutical: 58 projects submitted to date including: Reacti=
on-diffusion models of decontamination.; Optimal Treatment Rate During an In=
fluenza Pandemic in the Presence of Drug-Resistance Emergence.; Constitutive=
 Models for Tumour Classification.; Classification of Chemical Compound Phar=
macophore Structures.
What are the benefits of taking part?
Discovering research areas with practical applications;=20
The possibility of further collaboration with industry;=20
Highlight the talents of our students, which may lead to employment opportu=
nities within the companies.=20
The opportunity to build contacts with top researchers in Europe.
Due to the multi-disciplinary nature of the participants there is an opport=
unity to learn new statistical/mathematical methodology or approaches.
There is an intense (as we endeavour to solve the project in a week) but en=
joyable atmosphere throughout the week.=20
Is there a charge to take part?
There is no charge to take part. Lunch and dinner will be provided for all =
participants throughout the week. We have a limited amount of free full-boar=
d accommodation for participants outside Dublin. Travel expenses must be pai=
d for by the participants.=20
How does it work?
For further information please visit our website: https://maths.ucd.ie/esgi=
141/ or contact the conference planning chair, Dr Michelle Carey, at michell=
e.carey ucd.ie or 01-7162584.

=20

Kind Regards,

Dr Michelle Carey,

=20

Assistant Professor in Statistics,

Director of MSc, MA and HDip in Statistics,

School of Mathematics & Statistics,

University College Dublin,

Science Centre - South,

Belfield,

Dublin 4.

=20

Tel: +353 1 716 2584


--B_3606467443_1372584394
Content-type: text/html;
	charset="UTF-8"
Content-transfer-encoding: quoted-printable

 
The 141th European Study Group with Industry, ESGI141, University College =
Dublin
<=
span lang=3DEN-GB style=3D'color:black'>25th-29th June 2018
 
ESGI141 is a week-long workshop that provides a forum for industrial =
scientists to work alongside academics on a project submitted by the industr=
ial participant. ESGI=E2=80=99s started with the first Study Group in Oxford in 19=
68 and now there are 5-7 meetings each year across Europe. A study grou=
p can accommodate 4 industrial projects, which are tackled by 40-80 aca=
demics ranging from PhD students to Professors. 
 
Workshop format:<=
o:p>
On the first day, the industrial representative outli=
nes their project and their objectives in a 40-min presentation. 
In the following days a group of 10-20 academics (Professors and PhD students) are devoted to brainstorming, m=
odelling and solving the problem closely guided by the industrial representa=
tive.<=
/span>
<=
span style=3D'mso-bookmark:_MailOriginalBody'>On the Friday, the progress and recommended rou=
tes forward are presented by a member of each group of academics in a 40-min presentation.
Reports on the problem deliberations are produced after the meeting.<=
span class=3Dapple-converted-space> 
=
&nb=
sp;
Join the problem solvers.=
 If you would like to participate:
Please complete the =
registration form: Registration
Who can participate within the study group?
This is open to all acade=
mic staff and researchers, research assistants, and postgraduate students wo=
rking within the mathematical and statistical sciences. Participants are fre=
e to choose which projects they would like to work on. Some people like to w=
ork intensively on one project, others prefer to contribute to a number of p=
rojects.
What type of problem do we have =
to solve? Please see below a list of some problems at previous ESGIs<=
/span>
Energy and utilities:&nbs=
p;101 projects submit=
ted to date including: Elec=
tricity price predictability and quantifying customer suitability.; Oil Blending: Mixing and Contam=
ination; Piped water cooling of concrete dams.
Environment: 34 projects submitted to date =
including: Modelling and Optimization of Algae Growth.; Modelling of selection and mating decisions in tree=
 breeding programs.; =
An objective metho=
d to associate local weather extremes with characteristic circulation struct=
ures.=
Finance: 3=
9 projects submitted to date including:&nb=
sp;Calibrating the mean reverti=
ng jump diffusion model to Australian spot electricity prices.; Optimization of commodity portfolio management.; Estimating the volatility of property ass=
ets.<=
/a>
Medical and pharmaceutical: =
58 projects submitted to date including:&n=
bsp;Reaction-diffusion models o=
f decontamination.; <=
span lang=3DEN-GB style=3D'color:black;text-decoration:none'>Optimal Treatment R=
ate During an Influenza Pandemic in the Presence of Drug-Resistance Emergenc=
e.; Constitutive Models for Tumour Clas=
sification.<=
/span>;&=
nbsp;Classification of Chemical=
 Compound Pharmacophore Structures.
What are the benefits of taking part?<=
/span>=
Discovering research areas with practical applications; 
The possi=
bility of further collaboration with industry; 
Highlight the talents of our=
 students, which may lead to employment opportunities within the companies.<=
span class=3Dapple-converted-space> 
The opportunity to build contacts with top researchers in Europe=
.
Due to the =
multi-disciplinary nature of the participants there is an opportunity to lea=
rn new statistical/mathematical methodology or approaches.=
There is an intense (as we endeavour to solve the project in a =
week) but enjoyable atmosphere throughout the week. 
Is there a charge to take part?<=
/span>=
There =
is no charge to take part. Lunch and dinner will be provided for all partici=
pants throughout the week. We have a limited amount of free full-board accom=
modation for participants outside Dublin. Travel expenses must be paid for b=
y the participants. 
How does it work?
For further=
 information please visit our website: https://maths.ucd.ie/esgi141/ =
;or contact the conference planning chair, Dr Michelle Carey, at michelle.carey ucd.ie or 01-7162584.
 
Kind Regar=
ds,
Dr Michelle Ca=
rey,
 
Assistant Professor in Statistics,
Director of MSc, MA and HDip in Statistics,<=
/o:p>
School of Mathematics & St=
atistics,
Universi=
ty College Dublin,
Science Centre - South,
Belfield,
D=
ublin 4.
 
Tel: +353 1 716 2584=


--B_3606467443_1372584394--

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Date:         Fri, 13 Apr 2018 14:13:12 +0100
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From:         John Regan 
Subject: maths: CfAR Seminar - 18th April   15.00
Comments: cc: mathematicalsciences 
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Centre for Astrophysics & Relativity

www.cfar.ie

Speaker: *Dr. Brien Nolan, Centre for Astrophysics & Relativity, DCU*

Title:****Causality violation in******Godel**'s universe**
** **

Abstract: //
/In 1949, motivated by the implications of relativity theory for Kant's=20
ideas about time and change, Kurt////G//=C3=B6//del////derived a model of t=
he=20
universe within Einstein's General Relativity that has some very strange=20
chronological features: it allows for an observer to travel into their=20
own past. However, this requires extravagant amounts of fuel to=20
accelerate the observer to the required velocity, which is a significant=20
fraction of (but nevertheless less than) the speed of light. I'll=20
discuss this model as a means of providing an introduction to some key=20
ideas in General Relativity, including the concepts of geodesic motion,=20
space-time symmetry and causality. I'll review what is and isn't=20
possible in relation to causality violation in G//=C3=B6//del's universe, i=
n=20
particular discussing=C2=A0a new result that shows how any observer can sen=
d=20
a signal to their own past, without the need for acceleration or=20
unattainably high velocities. /*/

Date: Wednesday 18th /April//**//**/  1/**/5.00. Tea/Coffee will be=20
served in HG23 from 14.45. /*/

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

Cheers,
John

--=20
John Regan

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


--=20
*

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


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       Centre for Astrophysics & Relativity 

         

      
        www.cf=
ar.ie

        
        Speaker: Dr. Brien Nolan, Centre for
              Astrophysics & Relativity, DCU
        
        Title: =
Causality
                  violation in Godel's
                  universe
            

          
          

        Abstract: 

        In 1949, motivated by the implications of relativity theory
          for Kant's ideas about time and change, Kurt=C2=A0G=C3=B6del=C2=A0derived
          a model of the universe within Einstein's General Relativity
          that has some very strange chronological features: it allows
          for an observer to travel into their own past. However, this
          requires extravagant amounts of fuel to accelerate the
          observer to the required velocity, which is a significant
          fraction of (but nevertheless less than) the speed of light.
          I'll discuss this model as a means of providing an
          introduction to some key ideas in General Relativity,
          including the concepts of geodesic motion, space-time symmetry
          and causality. I'll review what is and isn't possible in
          relation to causality violation in G=C3=B6del's
          universe, in particular discussing=C2=A0a new result that shows h=
ow
          any observer can send a signal to their own past, without the
          need for acceleration or unattainably high velocities. =


              

              Date: Wednesday 18th April =
  15.00.
              Tea/Coffee will be served in HG23 from 14.45. =


              

            Location: Nursing Building
          (H Building) Room HG23

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

          

          Cheers,

          John 

      --=20
John Regan

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

  




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This e-mail and any files transmitted with it are confidential and a=
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Date:         Fri, 13 Apr 2018 15:40:46 +0000
Reply-To:     "Henry, David" 
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From:         "Henry, David" 
Subject: maths: UCC Applied Mathematics Seminar, Thursday 19 April
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Dear Colleagues,


All are welcome at the following seminar:


UCC Applied Mathematics Seminar

Speaker: Geoffrey Vallis (University of Exeter)

Time and location: 12pm, Thursday 19 April, WGB G02

Title: Rainy-Benard Convection

Abstract: Rayleigh=96Benard convection is one of the most well-studied mode=
ls in fluid mechanics. Atmospheric convection, one of the most important co=
mponents of the climate system, is by comparison complicated and poorly und=
erstood.  In this talk I will present an idealized model of moist Rayleigh=
=96B=E9nard convection by taking the Boussinesq limit of the ideal gas equa=
tions and adding a condensate that obeys a simplified Clausius=96Clapeyron =
relation. The model has some interesting properties, including an exact =91=
drizzle' solution that is the moist generalization of the conductive soluti=
on in the classical problem. The stability properties of this state have so=
me resemblance to =91stick-slip=92 problems in mechanics, with a sudden tra=
nsition when saturation occurs. I will also show some fully nonlinear, time=
-dependent solutions.





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





Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 19 April AT 12pm
location:: WGB G02
content:: Geoffrey Vallis

:: (University of Exeter)
:: presents a talk entitled
:: "Rainy-Benard Convection"
endevent::



--_000_DB3PR02MB028194B132EA1404C09FF73B8FB30DB3PR02MB0281eurp_
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Dear Colleagues,



















All are welcome at the following seminar:



UCC Applied Mathematics Seminar 





Speaker: =
Geoffrey
 Vallis (University of Exeter)



Time and location: 12pm, Thursday 19 April, WGB G02


Title: =
Rainy-Benard Convection<=
/span>



Abstract: Rayleigh=96Benard convection is one of the most well-studied =
models in fluid mechanics. Atmospheric convection, one of the most importan=
t components of the climate system, is by comparison complicated and poorly=
 understood.  In this talk I will
 present an idealized model of moist Rayleigh=96B=E9nard convection by taki=
ng the Boussinesq limit of the ideal gas equations and adding a condensate =
that obeys a simplified Clausius=96Clapeyron relation. The model has some i=
nteresting properties, including an exact
 =91drizzle' solution that is the moist generalization of the conductive so=
lution in the classical problem. The stability properties of this state hav=
e some resemblance to =91stick-slip=92 problems in mechanics, with a sudden=
 transition when saturation occurs. I
 will also show some fully nonlinear, time-dependent solutions. 










































=


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


































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



title:: UCC 
Applied 
Maths 
Seminar

date-time:: Thursday 19 April AT 12pm

location:: WGB G02

content:: Geoffrey Vallis

<=
/span>

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

:: "<=
/font><=
span>Rainy-Benard
 Convection<=
/span>"

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




<=
/font>



































































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Date:         Mon, 16 Apr 2018 08:43:27 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: MATHS: Seminar: Domain Decomposition Methods with Adaptive Multipreconditioning, Friday 20th 4p.m. Room A2-002
To:           MATHDEP LISTSERV.HEANET.IE
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Content-Type: text/plain; charset="iso-8859-1"
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Content::


MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Dr Nicole Spillane (=C9cole Polytechnique):

Title: Domain Decomposition Methods with Adaptive Multipreconditioning

Abstract: Domain Decomposition Methods with Adaptive Multipreconditioning D=
omain decomposition methods are a family of solvers for the parallel resolu=
tion of very large linear systems. They all share the idea of approximating=
 the inverse of some matrix by a sum of local inverses (in the so-called su=
bdomains). I will present some classical domain decomposition methods, thei=
r limitations and some recent efforts to improve their robustness and scala=
bility so that they can be applied to problems arising from real life simul=
ations. More precisely, I will present two methods: spectral coarse spaces =
and adaptive multi- preconditioning.

This seminar will take place on Friday 20th April, at 4p.m. in Room A2-002

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

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


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



--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9336F7F2exMbx3ulcampus_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable









 
Content::
 
 
MACSI=

 
 
The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by Dr Nicole Spillane (=C9cole Polytechnique):
 
Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE"> Domain Decomposition Methods
 with Adaptive Multipreconditioning
 
Abstract: Domain Decomposition Methods
 with Adaptive Multipreconditioning Domain decomposition methods are a fami=
ly of solvers for the parallel resolution of very large linear systems. The=
y all share the idea of approximating the inverse of some matrix by a sum o=
f local inverses (in the so-called
 subdomains). I will present some classical domain decomposition methods, t=
heir limitations and some recent efforts to improve their robustness and sc=
alability so that they can be applied to problems arising from real life si=
mulations. More precisely, I will
 present two methods: spectral coarse spaces and adaptive multi- preconditi=
oning.

 
This seminar will tak=
e place on
Friday 20^th April, at 4p.m. in Room A2-002
 
If you have any questions regarding th=
is seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011
 
--------------------------------------=
--------------------------------------
Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
 
 
Peg Hanrahan

MACSI Administrator

Department of Mathematics & Statistics

University of Limerick

Telephone: 353 61 213013

e-mail peg.hanrahan ul.ie

&nbs=
p;
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F9336F7F2exMbx3ulcampus_--

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Reply-To:     Mark Walsh 
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From:         Mark Walsh 
Subject: Maths: Colloquium at Maynooth University,
Comments: To: MathsStatsStaff
          
To:           MATHDEP LISTSERV.HEANET.IE
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Dear colleagues,


This week's colloquium is on Wednesday (18th April) at 4pm in MS2, Logic Ho=
use, Maynooth and features Stacy Law from Cambridge.

See attached title/asbtract.


All welcome,


Mark

________________________________

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Dear colleagues,



This week's colloquium is on Wedn=
esday (18th April) at 4pm in MS2, Logic House, Maynooth and features Stacy =
Law from Cambridge.
See attached title/asbtract.





All welcome,



Mark







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Dear All,

We will have a Seminar Tuesday (April 19) at 4pm in ADB1020.


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



Bill Jackson

from Queen Mary University of London

will speak on



=E2=80=9CRigidity of linearly-constrained frameworks=E2=80=9D

Abstract. We consider the problem of characterising the generic rigidity  o=
f
bar-joint frameworks in $\R^d$ in which each vertex is constrained to lie
in a given affine subspace. The special case when $d=3D2$ was solved by I.
Streinu and L. Theran in 2010. We extend their characterisation to the case
when $d\geq 3$ and each vertex is constrained to lie on an affine subspace
of dimension at most two. This is joint work with Hakan Guler and Anthony
Nixon.

Contact: Jim Cruickshank



Hoping to see you all there,



Haixuan and Michael



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

--000000000000bd951c0569f591b6
Content-Type: text/html; charset="UTF-8"
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Dea=
r All,


We w=
ill have a Seminar Tuesday (April 19) at 4pm in ADB1020.




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

=C2=
=A0


Bill=
 Jackson=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 


from=
 Queen Mary University of London


will=
 speak on


=C2=
=A0


=E2=
=80=9CRigidity of
linearly-constrained frameworks=E2=80=9D


Abs=
tract. We consider the
problem of characterising the generic rigidity=C2=A0
of bar-joint frameworks in $\R^d$ in which each vertex is constraine=
d to
lie in a given affine subspace. The special case when $d=3D2$ was solved by=
 I.
Streinu and L. Theran in 2010. We extend their characterisation to the case
when $d\geq 3$ and each vertex is constrained to lie on an affine subspace =
of
dimension at most two. This is joint work with Hakan Guler and Anthony Nixo=
n.


Cont=
act: Jim Cruickshank


=C2=
=A0


Hopi=
ng to see you all there,


=C2=
=A0


Haix=
uan and Michael


=C2=
=A0


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




--000000000000bd951c0569f591b6--

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Date:         Mon, 16 Apr 2018 14:13:16 +0000
Reply-To:     Mark Walsh 
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From:         Mark Walsh 
Subject: Maths: Colloquium at Maynooth University,
Comments: To: MathsStatsStaff
          
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Dear colleagues,


This week's colloquium is on Wednesday (18th April) at 4pm in MS2, Logic Ho=
use, Maynooth and features Stacy Law from Cambridge.

See attached title/asbtract.


All welcome,


Mark

________________________________

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Dear colleagues,



This week's colloquium is on Wed=
nesday (18th April) at 4pm in MS2, Logic House, Maynooth and features Stacy=
 Law from Cambridge.
See attached title/asbtract.





All welcome,



Mark










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From:         Seminars Maths NUIG 
Subject: Re: Maths: Seminar in NUI Galway
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Apologies. A mistake:  the day should be Thursday (April 19) -- not
Tuesday. --Haixuan

On Mon, Apr 16, 2018 at 12:31 PM, Seminars Maths NUIG <
mathseminarsnuig gmail.com> wrote:

> Dear All,
>
> We will have a Seminar Tuesday (April 19) at 4pm in ADB1020.
>
>
> Coffee/tea/cakes/biscuits will be served in ADB-G022 from 3:30.
>
>
>
> Bill Jackson
>
> from Queen Mary University of London
>
> will speak on
>
>
>
> =E2=80=9CRigidity of linearly-constrained frameworks=E2=80=9D
>
> Abstract. We consider the problem of characterising the generic rigidity =
 of
> bar-joint frameworks in $\R^d$ in which each vertex is constrained to lie
> in a given affine subspace. The special case when $d=3D2$ was solved by I=
.
> Streinu and L. Theran in 2010. We extend their characterisation to the ca=
se
> when $d\geq 3$ and each vertex is constrained to lie on an affine subspac=
e
> of dimension at most two. This is joint work with Hakan Guler and Anthony
> Nixon.
>
> Contact: Jim Cruickshank
>
>
>
> Hoping to see you all there,
>
>
>
> Haixuan and Michael
>
>
>
> Future seminars are listed at http://www.nuigalway.ie/
> science/school-of-maths/seminars/
>

--0000000000002b27220569f9e2a8
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Apologies. A mistake:=C2=A0=C2=A0the day should be Thursda=
y (April 19) -- not Tuesday. --Haixuan=C2=A0
On Mon, Apr 16, 2018 at 12:31 PM, Seminars=
 Maths NUIG <mathseminarsnuig gmail.com> wrote:
=


Dea=
r All,


We w=
ill have a Seminar Tuesday (April 19) at 4pm in ADB1020.




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

=C2=
=A0


Bill=
 Jackson=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =


from=
 Queen Mary University of London


will=
 speak on


=C2=
=A0


=E2=
=80=9CRigidity of
linearly-constrained frameworks=E2=80=9D


Abs=
tract. We consider the
problem of characterising the generic rigidity=C2=A0
of bar-joint frameworks in $\R^d$ in which each vertex is constraine=
d to
lie in a given affine subspace. The special case when $d=3D2$ was solved by=
 I.
Streinu and L. Theran in 2010. We extend their characterisation to the case
when $d\geq 3$ and each vertex is constrained to lie on an affine subspace =
of
dimension at most two. This is joint work with Hakan Guler and Anthony Nixo=
n.


Cont=
act: Jim Cruickshank


=C2=
=A0


Hopi=
ng to see you all there,


=C2=
=A0


Haix=
uan and Michael


=C2=
=A0


Futu=
re seminars are listed at=C2=A0http://www.nuigalway.ie/sc=
ience/school-of-maths/seminars/






--0000000000002b27220569f9e2a8--

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Subject: maths: UCD Algebra and Number Theory Seminar
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UCD Algebra and Number Theory Seminar

Speaker: Chris Jennings-Shaffer (Cologne)

Title: Modular forms from partitions

Abstract: We give a brief introduction to integer partitions and how they produce modular
objects. We begin with q-series representations of generating functions and
examples of modular forms, including the celebrated Rogers-Ramanujan identities.
Moving beyond modular forms, we also explain how integer partition type
functions arise as mock modular forms. Going even further, we give an example of
a higher depth mock modular form coming from a certain partition function, as
established in joint work with Bringmann and Mahlburg. No prior knowledge of
modular forms, partitions, or q-series will be assumed.

Date: Thursday, April 26, 2018
Time: 2:00pm
Location: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01

title:: UCD Algebra and Number Theory Seminar
content:: Chris Jennings-Shaffer (Cologne) will speak on
:: Modular forms from partitions
date-time:: Thursday, April 26, 2018 at 2:00pm
location:: UCD School of Mathematics and Statistics Seminar Room, Ag. 1.01
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 19 13:33:55 2018
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                    ANALYSIS SEMINAR



Tuesday 24th April, 2018  at 4.00pm  (place: UCD  Science North 125 )

Speaker: M. Golitsyna 
Title: Overconvergent properties of Dirichlet series 

Abstract
In this talk I will describe overconvergent properties of
Dirichlet series with regard to the behavior of their
partial sums near infinity. The results are inspired by
corresponding phenomena for Taylor series, which were
recently discovered using the notion of thinness. 


______________________________
C. Boyd , R. Timoney .

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



Lines for mathdep web calendar entry:

title:: ANALYSIS SEMINAR
content:: M. Golitsyna  will speak on
::  Overconvergent properties of Dirichlet series 
date-time:: Tuesday 24th April, 2018  at 4.00pm 
location:: UCD  Science North 125 
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 19 15:44:14 2018
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Subject: maths: DIT Mathematical Sciences Seminar, Friday 27th April 2018
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--001a114b60506a3ab0056a349912
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DIT Mathematical Sciences Seminar

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

Title: On mathematical models for microelectromechanical systems



Speaker: Prof Joachim Escher (Leibniz University Hannover)



Date and time: 1pm, Friday 27th April 2018



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



Abstract:



A review of some recent results on mathematical models for
microelectromechanical systems with general permittivity profile will be
presented. These models consist of a quasilinear parabolic evolution
problem for the displacement of an elastic membrane coupled with an
elliptic moving boundary problem that determines the electrostatic
potential in the region occupied by the elastic membrane and a rigid ground
plate.

Local well-posedness, global existence, the occurrence of finite-time
singularities, and convergence of solutions to those of the so-called
small-aspect ratio model, respectively, are addressed. Furthermore, a topic
is addressed that is of note not till non-constant permittivity profiles
are taken into account -- the direction of the membrane's deflection or, in
mathematical parlance, the sign of the solution to the evolution
problem.2015).   This research also examines the declining standard in
basic mathematics skills in light of curriculum changes in second level
education (Treacy, Faulkner and Prendergast 2016).



All Welcome, light refreshments provided

--=20

Dr John S Butler

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

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

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


Google Scholar Profile
 | Resear=
ch
Gate Profile 

--=20


This email originated from DIT. If you received this email in error,=20
please delete it from your system. Please note that if you are not the=20
named addressee, disclosing, copying, distributing or taking any action=20
based on the contents of this email or attachments is prohibited.=C2=A0
www.dit.ie 

Is =C3=B3 ITB=C3=81C
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on the move to Grangegorman 

--001a114b60506a3ab0056a349912
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DIT Mathematical Sciences=C2=A0Seminar

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

Titl=
e:=C2=A0On mathematical models for microelectromechanical systems

=C2=A0

Spea=
ker: Prof Joachim Escher (Leibniz University Hannover)

=C2=
=A0

Date=
 and time: 1pm, Friday 27th April 2018

=C2=A0

Venu=
e: Blue Room, 4th floor, Main Building, DIT Kevin Street

=C2=A0

Abst=
ract:

=C2=A0

A re=
view of some recent results on mathematical models for
microelectromechanical systems with general permittivity profile will be pr=
esented.
These models consist of a quasilinear parabolic evolution problem for the
displacement of an elastic membrane coupled with an elliptic moving boundar=
y
problem that determines the electrostatic potential in the region occupied =
by
the elastic membrane and a rigid ground plate. 

Loca=
l well-posedness, global existence, the occurrence of finite-time
singularities, and convergence of solutions to those of the so-called
small-aspect ratio model, respectively, are addressed. Furthermore, a topic=
 is
addressed that is of note not till non-constant permittivity profiles are t=
aken
into account -- the direction of the membrane's deflection or, in mathe=
matical
parlance, the sign of the solution to the evolution problem.2015).=C2=A0
=C2=A0This research also examines the declining standard in basic mathemati=
cs
skills in light of curriculum changes in second level education (Treacy,
Faulkner and Prendergast 2016).=C2=A0

=C2=A0

All
Welcome, light refreshments provided






-- 
Dr John S Butler=

Lecturer | School =
of Mathematical Sciences | Dublin Institute of Technology | Kevin Street | =
Dublin 8 | Ireland
L=C3=A9acht=C3=B3ir=C2=A0| Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla | Institi=C3=BAid Te=
icneola=C3=ADochta Bhaile =C3=81tha Cliath | Sr=C3=A1id Chaoimh=C3=ADn | Ba=
ile =C3=81tha Cliath 8 | =C3=89ire
www.dit.=
ie=C2=A0|=C2=A0w=
ww.maths.dit.ie=C2=A0|=C2=A0www.m=
aths.dit.ie/~johnbutler=C2=A0|=C2=A0 jslbutler
=
Google Scholar Profile=C2=A0|=C2=A0<=
/font>Research Gate Profile






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Date:         Fri, 20 Apr 2018 15:37:30 +0000
Reply-To:     "Henry, David" 
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Subject: maths: UCC Applied Mathematics Seminars, Thursday 26 April
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Dear Colleagues,

All are welcome at the following two seminars:


UCC Applied Mathematics Seminars


Speaker: Gabriele Villari (University of Florence)

Time and location: 2pm, Thursday 26 April, WGB G02

Title: Some results for existence and uniqueness of limit cycles for the Li=
=E9nard equation

Abstract: The aim of this talk is to present certain new results on the exi=
stence and uniqueness of limit cycles for the Li=E9nard equation, which gen=
eralize some classical ones. In particular, the uniqueness result due to Ma=
ssera will be discussed, as well as the results, which are based on the fir=
st paper due to Li=E9nard and are still investigated. All the results are b=
ased on phase-plane analysis, both in the phase-plane and in the Li=E9nard =
plane. The structure of the talk is such that it is not necessary to have a=
 strong background in this field area, and therefore the talk is directed n=
ot only to people working on this subject.

***************************************************************************=
************
Tea / coffee
***************************************************************************=
************

Speaker: John Gibbon (Imperial College London)

Time and location: 3.30pm, Thursday 26 April, WGB G02

Title: The Rayleigh-Taylor instability

Abstract: The Rayleigh-Taylor instability (RTI) is a phenomenon that has a =
long-standing history. It appears in laboratory mixing experiments, laser p=
lasma devices and astro-physical phenomena. The RTI in miscible fluids can =
be modelled by considering the evolution of the gradient of the composition=
 density in a buoyancy-driven turbulent flow. Data first produced in simula=
tions by Livescu and Ristorcelli (2007) (publicly available on the Johns Ho=
pkins Turbulence Database) is analysed in terms of this model which shows e=
xtremely rapid growth in the density gradient. In contrast, the RTI also ap=
pears in immiscible fluids, particularly in materials science where phase f=
ield physicists use the Cahn-Hilliard-Navier-Stokes equations to model this=
 phenomenon. I will present some brief mathematical results on this latter =
problem.

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


Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 26 April AT 2pm
location:: WGB G02
content:: Gabriele Villari
:: (University of Florence)
:: presents a talk entitled
:: "Some results for existence and uniqueness of limit cycles for the Li=E9=
nard equation"
endevent::

title:: UCC Applied Maths Seminar
date-time:: Thursday 26 April AT 3.30pm
location:: WGB G02
content:: John Gibbon
:: (Imperial College London)
:: presents a talk entitled
:: "The Rayleigh-Taylor instability"
endevent::




--_000_DB3PR02MB0281660C3923A35C41B316C28FB40DB3PR02MB0281eurp_
Content-Type: text/html; charset="iso-8859-1"
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Dear Colleagues,












All are welcome at the following two seminars:












































UCC Applied Mathematics Seminars







Speaker: Gabriele
 Villari (University of Florence)=




Time and location: 2pm, Thursday 26 April, WGB G02


Title: Some results for existence and uniqueness of limit c=
ycles for the Li=E9nard equation


=



Abstract: The aim of this talk is to present certain new results on the=
 existence and uniqueness of limit cycles for the Li=E9nard equation, which=
 generalize some classical ones. In particular, the uniqueness result due t=
o Massera will be discussed, as well
 as the results, which are based on the first paper due to Li=E9nard and ar=
e still investigated. All the results are based on phase-plane analysis, bo=
th in the phase-plane and in the Li=E9nard plane. The structure of the talk=
 is such that it is not necessary to
 have a strong background in this field area, and therefore the talk is dir=
ected not only to people working on this subject. 



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


Tea / coffee

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



Speaker: =
<=
font size=3D"3" color=3D"black" face=3D"Calibri,Helvetica,sans-serif,EmojiF=
ont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android=
 Emoji,EmojiSymbols">John
 Gibbon (Imperial College London)=




Time and location: 3.30pm, Thursday 26 April, WGB G02


Title: The Rayleigh-Taylor instability


<=
/span>

Abstract: The Rayleigh-Taylor instability (RTI) is a phenomenon t=
hat has a long-standing history. It appears in laboratory mixing experiment=
s, laser plasma devices and astro-physical phenomena. The RTI in miscible f=
luids can be modelled by considering
 the evolution of the gradient of the composition density in a buoyancy-dri=
ven turbulent flow. Data first produced in simulations by Livescu and Risto=
rcelli (2007) (publicly available on the Johns Hopkins Turbulence Database)=
 is analysed in terms of this model
 which shows extremely rapid growth in the density gradient. In contrast, t=
he RTI also appears in immiscible fluids, particularly in materials science=
 where phase field physicists use the Cahn-Hilliard-Navier-Stokes equations=
 to model this phenomenon. I will
 present some brief mathematical results on this latter problem.




=


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




Lines for mathdep calendar:


title:: UCC Applied Maths Seminar
date-time:: Thursday 26 April AT 2pm

location:: WGB G02

content:: Gabriele Villari

:: (University of Florence)

:: presents a talk entitled

:: "Some results for existence and un=
iqueness of limit cycles for the Li=E9nard equation"

endevent::



title:: UCC Applied Maths Seminar
date-time:: Thursday 26 April AT 3.30pm

location:: WGB G02

content:: John Gibbon

:: (Imperial College London)

:: presents a talk entitled

:: "The Rayleigh-Taylor instability&q=
uot;

endevent::




























































--_000_DB3PR02MB0281660C3923A35C41B316C28FB40DB3PR02MB0281eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 23 10:42:32 2018
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Date:         Mon, 23 Apr 2018 10:41:55 +0100
Reply-To:     Tristan Mc Loughlin 
Sender:       UCD Maths Department Distribution List 
From:         Tristan Mc Loughlin 
Subject: maths: Theoretical Physics Seminar - TCD - 25 April 2018
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TCD THEORETICAL PHYSICS SEMINAR

Wednesday, 25 April 2018, 4:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Juan Miguel Nieto (UCM)

Title: Quantum corrections to the dispersion relation in flux-deformed AdS_3/CFT_2

Abstract: In this talk I will present the computation of the one-loop correction
to the classical dispersion relation of rigid closed spinning strings
with two equal angular momenta in the AdS_3 \times S^3 \times T^4
background supported with a mixture of R-R and NS-NS three-form fluxes.
This analysis is performed by means of two different methods. The first
method relies on the quadratic fluctuations around the classical
solution, while the second one exploits the underlying integrability of
the problem through the algebraic curve. We find that the one-loop
correction vanishes in the pure NS-NS limit.


All are welcome.


title::TCD Theoretical Physics Seminar
content:: Juan Miguel Nieto (UCM)
::Quantum corrections to the dispersion relation in flux-deformed AdS_3/CFT_2::
date-time:: 25 April 2018 at 4:00pm
location:: Seminar Room House 20, TCD
endevent::

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 23 11:25:30 2018
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Date:         Mon, 23 Apr 2018 10:25:23 +0000
Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: MATHS: Seminar: Nonlinear edge diffusion and the discrete maximum principle, Friday 27th April at 4p.m, Room A2-002, University of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933723F6exMbx3ulcampus_
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Content::




MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by  Dr Gabriel Barrenechea (University of Strathcl=
yde):

Title: Nonlinear edge diffusion and the discrete maximum principle

Abstract:. Nonlinear edge diffusion and the discrete maximum principle In t=
his talk I will review recent results on the analysis of shock-capturing-ty=
pe methods applied to convection-dominated problems. The method of choice i=
s a variant of the Algebraic Flux-Correction (AFC) scheme. This scheme has =
received some attention over the last two decades due to its very satisfact=
ory numerical performance. Despite this attention, until very recently ther=
e was no stability and convergence analysis for it. Thus, the purpose of th=
e works reviewed in this talk was to bridge that gap. The first step toward=
s the full analysis of the method is a rewriting of it as a nonlinear edge-=
based diffusion method. This writing makes it possible to present a unified=
 analysis of the different variants of it. So, minimal assumptions on the c=
omponents of the method are stated in such a way that the resulting scheme =
satisfies the Discrete Maximum Principle (DMP) and is convergent. One prope=
rty that will be discussed in detail is the linearity preservation. This pr=
operty has been linked to the good performance of methods of this kind. We =
will discuss in detail its role and the impact of it in the overall converg=
ence of the method. Time permitting, some results on a posteriori error est=
imation will also be presented.
This talk will gather contributions with A. Allendes (UTFSM, Chile), E. Bur=
man (UCL, UK), V. John (WIAS, Berlin), F. Karakatsani (Chester, UK), P. Kno=
bloch (Prague, Czech Republic), and R. Rankin (U. of Nottingham, China).


This seminar will take place on Friday 27th April, at 4p.m. in Room A2-002

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

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










--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933723F6exMbx3ulcampus_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









Content::
 
 
 
 
MACSI=

 
 
The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by  Dr Gabriel Barrenechea (University of
 Strathclyde):
 
Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE"> Nonlinear edge diffusion and
 the discrete maximum principle
 
Abstract:. Nonlinear edge diffusion
 and the discrete maximum principle In this talk I will review recent resul=
ts on the analysis of shock-capturing-type methods applied to convection-do=
minated problems. The method of choice is a variant of the Algebraic Flux-C=
orrection (AFC) scheme. This scheme
 has received some attention over the last two decades due to its very sati=
sfactory numerical performance. Despite this attention, until very recently=
 there was no stability and convergence analysis for it. Thus, the purpose =
of the works reviewed in this talk
 was to bridge that gap. The first step towards the full analysis of the me=
thod is a rewriting of it as a nonlinear edge-based diffusion method. This =
writing makes it possible to present a unified analysis of the different va=
riants of it. So, minimal assumptions
 on the components of the method are stated in such a way that the resultin=
g scheme satisfies the Discrete Maximum Principle (DMP) and is convergent. =
One property that will be discussed in detail is the linearity preservation=
. This property has been linked
 to the good performance of methods of this kind. We will discuss in detail=
 its role and the impact of it in the overall convergence of the method. Ti=
me permitting, some results on a posteriori error estimation will also be p=
resented.

This talk will gather=
 contributions with A. Allendes (UTFSM, Chile), E. Burman (UCL, UK), V. Joh=
n (WIAS, Berlin), F. Karakatsani (Chester, UK),
 P. Knobloch (Prague, Czech Republic), and R. Rankin (U. of Nottingham, Chi=
na).
 
 
This seminar will tak=
e place on
Friday 27^th April, at 4p.m. in Room A2-002
 
If you have any questions regarding th=
is seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011
 
--------------------------------------=
--------------------------------------
Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
 
 
 
 
 
 
 
 
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933723F6exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 23 12:09:23 2018
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Date:         Mon, 23 Apr 2018 12:09:00 +0100
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway
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--000000000000a60f11056a8210e1
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Dear All,

We will have a Seminar Thursday (April 26) at 4pm in ADB1020.


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



Anthony Brown

from UCD

will speak on



=E2=80=9CNon-homogeneous tensor products and norms of projections between s=
paces of
polynomials=E2=80=9D

Abstract: We will introduce the concept of a non-homogeneous symmetric
tensor product along with an associated norm, which plays the role of the
projective norm on an ordinary tensor product.



With the aid of a duality result, we will use this norm to answer questions
about projection mappings between spaces of non-homogeneous polynomials.



We will show that Chebyshev polynomials play a large part in approximately
two thirds of the cases. However, the question remains open in the
remaining third of cases, and we will show that in these cases, the
projection norm does not have to be an integer, indicating that a different
type of polynomial is needed.



Contact: Ray Ryan



Hoping to see you all there,



Haixuan and Michael



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

--000000000000a60f11056a8210e1
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable



Dea=
r All,


We w=
ill have a Seminar Thursday (April 26) at 4pm in ADB1020.




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

=C2=
=A0


Anth=
ony Brown=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 


from=
 UCD


will=
 speak on


=C2=
=A0


=E2=
=80=9CNon-homogeneous tensor
products and norms of projections between spaces of polynomials=E2=80=9D


Abst=
ract: We will introduce the concept of a non-homogeneous
symmetric tensor product along with an associated norm, which plays the rol=
e of
the projective norm on an ordinary tensor product.


=C2=
=A0


With=
 the aid of a duality result, we will use this norm to
answer questions about projection mappings between spaces of non-homogeneou=
s polynomials.


=C2=
=A0


We w=
ill show that Chebyshev polynomials play a large part in
approximately two thirds of the cases. However, the question remains open i=
n the
remaining third of cases, and we will show that in these cases, the project=
ion
norm does not have to be an integer, indicating that a different type of
polynomial is needed.


=C2=
=A0


Cont=
act: Ray Ryan


=C2=
=A0


Hopi=
ng to see you all there,


=C2=
=A0


Haix=
uan and Michael


=C2=
=A0


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




--000000000000a60f11056a8210e1--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 23 15:00:58 2018
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Date:         Mon, 23 Apr 2018 15:00:31 +0100
Reply-To:     Marina Krstic Marinkovic 
Sender:       UCD Maths Department Distribution List 
From:         Marina Krstic Marinkovic 
Subject: maths: HMI workshop on scattering: 14-18 May 2018
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--f403045c20500c9e7c056a84765d
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Dear colleagues,

We would like to bring to your attention the workshop "Scattering from the
lattice: applications to phenomenology and beyond", which will take place
at Trinity College Dublin in the period 14-18 May 2018

Due to generous support by the Hamilton Mathematics Institute, the
Simons Foundation,
and Science Foundation Ireland no registration fee will be charged to the
participants.

Please register by April 30th at the workshop webpage:

https://indico.cern.ch/event/690702/registrations/41289/


The confirmed speakers include:

Zohreh Davoudi (UMD)
Sergei Dubovski (NYU)
Jo Dudek (W&M, JLab)
Maxwell T. Hansen (CERN)
Harvey Meyer (Mainz U., PRISMA)
Sasa Prelovsek (Ljubljana U.)

This workshop will combine introductory lectures and progress reports on
recent developments by lattice practitioners and string theorists working
on finite volume methods and scattering processes. The program will include
a pedagogical introduction to this field. We therefore encourage PhD
students, young postdocs, as well as experienced researchers to register
for the workshop. More details can be found at the workshop webpage:

https://indico.cern.ch/event/690702/

Best wishes,

Maxwell T. Hansen (CERN)
Marina Krstic Marinkovic (TCD)
Mike Peardon (TCD)
Stefan Sint (TCD)
Christopher Thomas (Cambridge)
David Wilson (TCD)

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

--f403045c20500c9e7c056a84765d
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear colleagues,

We would like to bring to your att=
ention the workshop "Scattering from the
lattice: applications to p=
henomenology and beyond", which will take placeat Trinity College=
 Dublin in the period 14-18 May 2018

Due to generous support by the Hamilton Mathematics Insti=
tute, the Simons=C2=A0Foundation, and Scie=
nce Foundation Ireland no registration fee will be=C2=A0charged to the participants.=C2=A0=C2=A0
Please register by April 30th at the workshop webpage:

https://indico.cern.ch/event/690=
702/registrations/41289/

The confirmed speakers include:

=
Zohreh Davoudi (UMD)
Sergei Dubovski (NYU)
Jo Dudek (W&M, JLab)Maxwell T. Hansen (CERN)
Harvey Meyer (Mainz U., PRISMA)
Sasa Prelo=
vsek (Ljubljana U.)

This workshop will combine introductory lectures=
 and progress reports on
recent developments by lattice practitioners an=
d string theorists working
on finite volume methods and scattering proce=
sses. The program will include
a pedagogical introduction to this field.=
 We therefore encourage PhD
students, young postdocs, as well as experie=
nced researchers to register
for the workshop. More details can be found=
 at the workshop webpage:

https://indico.cern.ch/event/690702/

Best wishes,

=
Maxwell T. Hansen (CERN)
Marina Krstic Marinkovic (TCD)
Mike Peardon =
(TCD)
Stefan Sint (TCD)
Christopher Thomas (Cambridge)
David Wilso=
n (TCD)

-- 
Marina Krstic =
Marinkovic=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0Tel(mobile)=C2=A0=C2=A0=C2=A0+353 83882 11=
10
Assistant Prof.,Sc=
hool of Mathematics=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Tel(offi=
ce)=C2=A0 =C2=A0 =C2=A0+353 1 896 4=
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Trinity College,=C2=A0Dublin 2, Ireland=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F93372749exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 23 16:46:57 2018
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Date:         Mon, 23 Apr 2018 16:46:27 +0100
Reply-To:     Peter Taylor 
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From:         Peter Taylor 
Subject: maths: DCU Maths Colloquium, Wed April 25th, 3pm
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Dear colleagues,

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

Speaker: Dr. Jos=C3=A9 Luis Gracia, *University of Zaragoza*

Title: *Convergence analysis of a finite difference scheme for a
time-fractional diffusion equation*
Abstract: A reaction-diffusion problem with a Caputo time derivative of
order $\alpha\in (0,1)$ is considered. The behaviour of the solution is
discussed and it is shown that in general the solution  has a weak
singularity near the initial time $t=3D0$.  Taking into account this singul=
ar
behaviour and the memory effect of the fractional derivative, a finite
difference scheme is defined and its convergence in the discrete maximum
norm is analysed .  The theoretical error estimates are sharp and they
indicate that a graded mesh has to be used to obtain optimal numerical
results. Some related results to the convergence of the method away from
$t=3D0$ are also discussed. Numerical results are presented that confirm th=
e
theoretical error estimates.

Date: Wed April 25th   3pm

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

All welcome. Tea/coffee/biscuits served in HG23 at 2:45pm.

Cheers,
Peter.

--=20
Dr. Peter Taylor

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

--=20
*

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

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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


--000000000000e57536056a85f0a9
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<=
div class=3D"gmail_quote">Dear colleagues,

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

Speaker: Dr. Jos=C3=A9 Luis Gracia, =
University of Zaragoza=
Title:=C2=A0Convergence analysis of a finite differenc=
e scheme for a time-fractional diffusion equation
Abstract:=C2=A0A reaction-diffusion problem with a=C2=A0Caputo=C2=A0time derivative of or=
der $\alpha\in (0,1)$ is considered. The behaviour of the solution is discu=
ssed and it is shown that in general the solution=C2=A0=C2=A0has a weak sin=
gularity near the initial time $t=3D0$.=C2=A0=C2=A0Taking into account this=
 singular behaviour and the memory effect of the fractional derivative, a f=
inite difference scheme is defined and its convergence in the discrete maxi=
mum norm is=C2=A0analysed=C2=A0.=C2=A0=C2=A0The theoretical error estimates=
 are sharp and they indicate that a graded mesh has to be used to obtain op=
timal numerical results. Some related results to the convergence of the met=
hod away from $t=3D0$ are also discussed. Numerical results are presented t=
hat confirm the theoretical error estimates.


=

Date: Wed April 25=
th<=
font color=3D"#626262">=C2=A0  3pm=


<=
/font>Location: Nursing Building (H Building) Room HG23
https://www.dcu.ie/info/campus.shtml<=
br>

All welcome. Tea/coffee/biscuits served in HG23 at 2:45pm.

Cheers,
Peter.
<=
font color=3D"#888888">
-- 
Dr. Peter T=
aylor
Assistant Profes=
sor
Center for Astrophy=
sics and Relativity
Sch=
ool of Mathematical Sciences
Dublin City University.
www.ta=
ylorexpansion.net






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







--000000000000e57536056a85f0a9--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr 24 13:13:24 2018
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Date:         Tue, 24 Apr 2018 13:12:57 +0100
Reply-To:     Christopher Boyd 
Sender:       UCD Maths Department Distribution List 
From:         Christopher Boyd 
Subject: maths: Conference in Galway in honour of Ray Ryan
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To mark the contribution of Ray Ryan to mathematics and to NUI Galway,  on
the occasion of his 65th birthday we are holding a three day meeting
in Galway from the 9th to the 11th of July 2018. The Tuesday afternoon of
this meeting will be marked by tributes and stories of Ray. This will be
followed by a dinner later that evening. You are cordially invited to
attend
the conference or the Tuesday afternoon talks. Details can be found
at

https://maths.ucd.ie/raydays18

If you would like to attend the dinner please indicate so on the
registration
form.  We look forward to seeing you in July.

Best wishes,

The Organising Committee

Chris Boyd
Michael Mackey
Rachel Quinlan
Nina Snigireva

--0000000000003125b3056a9713c6
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To mark the contribution of Ray Ryan to mathematics a=
nd to NUI Galway,=C2=A0 on
the occasion of his 65th birthday we are hold=
ing a three day meeting
in Galway from the 9th to the 11th of July 2018.=
 The Tuesday afternoon of
this meeting will be marked by tributes and st=
ories of Ray. This will be 
followed by a dinner later that evening. You=
 are cordially invited to attend 
the conference or the Tuesday afternoo=
n talks. Details can be found 
at

https://maths.ucd.ie/raydays18

If you would like to =
attend the dinner please indicate so on the registration
form.=C2=A0 We =
look forward to seeing you in July.

Best wishes,

T=
he Organising Committee

Chris Boyd
Michael Mackey
Rachel Quinl=
an
Nina Snigireva



--0000000000003125b3056a9713c6--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 25 10:19:26 2018
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Date:         Wed, 25 Apr 2018 09:18:54 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: MATHS: MACSI Seminar: Adaptive numerical methods for stochastic systems with non-globally Lipschitz coefficients Tuesday 1st May Room A2-002, University of Limerick
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--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933734F0exMbx3ulcampus_
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Please Note Seminar on Tuesday 1st May, at 2p.m. in Room A2-002



MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by Dr Conall Kelly University College Cork.

Title: Adaptive numerical methods for stochastic systems with non-globally =
Lipschitz coefficients

Abstract: We present numerical schemes with adaptive timestepping for stoch=
astic differential equation (SDE) models with non-Lipschitz coefficients. S=
uch SDEs may be stiff, possibly via a linear operator in the drift and/or f=
rom the perturbation of nonlinear structures under discretisation. They ari=
se, for example, in a financial setting from certain volatility models, and=
 in a biological setting from models of neuronal activity.

We prove that a semi-implicit Euler-Maruyama scheme with an adaptive timest=
epping strategy of this kind is strongly convergent with order of convergen=
ce $1/2$ for equations with one-sided Lipschitz drift and globally Lipschit=
z diffusion, and with order of convergence $(1-\varepsilon)/2$ for equation=
s with non-globally Lipschitz coefficients which together satisfy a Khasmin=
skii-type monotone condition, where $\varepsilon\to 0$ as the number of ava=
ilable finite SDE moments increases without bound.

Numerically, we compare adaptive methods to several strongly convergent fix=
ed-step methods, including a fully drift-implicit method, explicit taming-t=
ype methods and a truncated method. Our results indicate that the adaptive =
semi-implicit method is well suited as a general purpose solver.

This is joint work with Prof. Gabriel Lord, Heriot-Watt Universtiy, Edinbur=
gh, UK.

This seminar will take place on Tuesday 1st May, at 2p.m. in Room A2-002

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

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




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933734F0exMbx3ulcampus_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable









 
 
Pl=
ease Note Seminar on Tuesday 1^st May, at 2p.m. in Room A2-002

 
 
 
MACSI=

 
 
The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by Dr Conall Kelly University College Cork.
&n=
bsp;
Title:&nb=
sp;Adaptive numerical methods for stochastic systems with non-globally Lips=
chitz coefficients
&nbs=
p;
Abstract:=
 We present numerical schemes with adaptive timestepping for stochasti=
c differential equation (SDE) models with non-Lipschitz
 coefficients. Such SDEs may be stiff, possibly via a linear operator in th=
e drift and/or from the perturbation of nonlinear structures under discreti=
sation. They arise, for example, in a financial setting from certain volati=
lity models, and in a biological
 setting from models of neuronal activity. 
&nbs=
p;
We prove =
that a semi-implicit Euler-Maruyama scheme with an adaptive timestepping st=
rategy of this kind is strongly convergent with
 order of convergence $1/2$ for equations with one-sided Lipschitz drift an=
d globally Lipschitz diffusion, and with order of convergence $(1-\varepsil=
on)/2$ for equations with non-globally Lipschitz coefficients which togethe=
r satisfy a Khasminskii-type monotone
 condition, where $\varepsilon\to 0$ as the number of available finite SDE =
moments increases without bound.
&nbs=
p;
Numerical=
ly, we compare adaptive methods to several strongly convergent fixed-step m=
ethods, including a fully drift-implicit method, explicit taming-=
type
 methods and a truncated method. Our results indicate that the adaptive sem=
i-implicit method is well suited as a general purpose solver. 
&nbs=
p;
This is j=
oint work with Prof. Gabriel Lord, Heriot-Watt Universtiy, Edinburgh, UK.&n=
bsp;
&n=
bsp;
This seminar will tak=
e place on
Tuesday 1^st May, at 2p.m. in Room A2-002
 
If you have any questions regarding th=
is seminar, please direct them to Iain Moyles (061
 233726, iain.moyles ul.ie).

A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011
 
--------------------------------------=
--------------------------------------
Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
 
&nbs=
p;
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F933734F0exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr 25 11:45:08 2018
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References: <0d847d49-26d4-0ec9-7ae4-d2b5d74e4b41 maths.tcd.ie>
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Date:         Wed, 25 Apr 2018 11:44:40 +0100
Reply-To:     Tristan Mc Loughlin 
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From:         Tristan Mc Loughlin 
Subject: Re: maths: Theoretical Physics Seminar - TCD - 25 April 2018
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A reminder regarding today's seminar:

TCD THEORETICAL PHYSICS SEMINAR

Wednesday, 25 April 2018, 4:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Juan Miguel Nieto (UCM)

Title: Quantum corrections to the dispersion relation in flux-deformed 
AdS_3/CFT_2

Abstract: In this talk I will present the computation of the one-loop 
correction
to the classical dispersion relation of rigid closed spinning strings
with two equal angular momenta in the AdS_3 \times S^3 \times T^4
background supported with a mixture of R-R and NS-NS three-form fluxes.
This analysis is performed by means of two different methods. The first
method relies on the quadratic fluctuations around the classical
solution, while the second one exploits the underlying integrability of
the problem through the algebraic curve. We find that the one-loop
correction vanishes in the pure NS-NS limit.


Best,

Tristan

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr 26 17:09:07 2018
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Date:         Thu, 26 Apr 2018 17:08:46 +0100
Reply-To:     john.s.butler dit.ie
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From:         John Butler <200714 DIT.IE>
Subject: maths: DIT Mathematical Sciences Seminar, Friday 27th April 2018
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DIT Mathematical Sciences Seminar

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

Title: On mathematical models for microelectromechanical systems



Speaker: Prof Joachim Escher (Leibniz University Hannover)



Date and time: 1pm, Friday 27th April 2018



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



Abstract:



A review of some recent results on mathematical models for
microelectromechanical systems with general permittivity profile will be
presented. These models consist of a quasilinear parabolic evolution
problem for the displacement of an elastic membrane coupled with an
elliptic moving boundary problem that determines the electrostatic
potential in the region occupied by the elastic membrane and a rigid ground
plate.

Local well-posedness, global existence, the occurrence of finite-time
singularities, and convergence of solutions to those of the so-called
small-aspect ratio model, respectively, are addressed. Furthermore, a topic
is addressed that is of note not till non-constant permittivity profiles
are taken into account -- the direction of the membrane's deflection or, in
mathematical parlance, the sign of the solution to the evolution
problem.2015).   This research also examines the declining standard in
basic mathematics skills in light of curriculum changes in second level
education (Treacy, Faulkner and Prendergast 2016).



All Welcome, light refreshments provided


--=20

Dr John S Butler

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

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

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


Google Scholar Profile
 | Resear=
ch
Gate Profile 

--=20


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--001a114b13842e8f7c056ac29a7f
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DIT Math=
ematical Sciences=C2=A0Seminar
--------------------------------------=
-----
Title:=C2=A0On mathematical models for mi=
croelectromechanical systems
=C2=A0
Speaker: Prof Joachim Esche=
r (Leibniz University Hannover)
=C2=A0
Date and tim=
e: 1pm, Friday 27th April 2018
=C2=A0
Venue: Blue Room, 4th floor=
, Main Building, DIT Kevin Street
=C2=A0=
Abstract:
=C2=A0
A review of some recent results on mathematical models for microelectrom=
echanical systems with general permittivity profile will be presented. Thes=
e models consist of a quasilinear parabolic evolution problem for the displ=
acement of an elastic membrane coupled with an elliptic moving boundary pro=
blem that determines the electrostatic potential in the region occupied by =
the elastic membrane and a rigid ground plate.
Local well-posedness, global =
existence, the occurrence of finite-time singularities, and convergence of =
solutions to those of the so-called small-aspect ratio model, respectively,=
 are addressed. Furthermore, a topic is addressed that is of note not till =
non-constant permittivity profiles are taken into account -- the direction =
of the membrane's deflection or, in mathematical parlance, the sign of =
the solution to the evolution problem.2015).=C2=A0 =C2=A0This research also=
 examines the declining standard in basic mathematics skills in light of cu=
rriculum changes in second level education (Treacy, Faulkner and Prendergas=
t 2016).=C2=A0
=C2=A0
All Welcome, light refreshments provided



-- 
=
Dr John S Butler
=
Lecturer | School of Mathemat=
ical Sciences | Dublin Institute of Technology | Kevin Street | Dublin 8 | =
Ireland
L=
=C3=A9acht=C3=B3ir=C2=A0| Scoil n=
a nEola=C3=ADochta=C3=AD Matamaitici=C3=BAla | Institi=C3=BAid Teicneola=C3=
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tha Cliath 8 | =C3=89ire
www.dit.ie=C2=
=A0|=C2=A0www.maths.=
dit.ie=C2=A0|=C2=A0www.maths.dit.=
ie/~johnbutler=C2=A0|=C2=A0 jslbutler
Google Scholar Profile=C2=A0|=C2=A0Research Gate Profile

<=
/p>




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Message-ID:  
Date:         Fri, 27 Apr 2018 11:03:00 +0000
Reply-To:     "Henry, David" 
Sender:       UCD Maths Department Distribution List 
From:         "Henry, David" 
Subject: maths: UCC Applied Mathematics Seminars, Thursday 3 May
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Dear Colleagues,

All are welcome at the following two seminars:


UCC Applied Mathematics Seminars


Speaker: James Gleeson (University of Limerick)

Time and location: 12pm, Thursday 3 May, WGB G02

Title: Temporal profiles of avalanches on networks

Abstract: An avalanche or cascade occurs when one event causes one or more =
subsequent events, which in turn may cause further events in a chain reacti=
on. Avalanching dynamics are studied in many disciplines, with a recent foc=
us on average avalanche shapes, i.e., the temporal profiles that characteri=
ze the growth and decay of avalanches of fixed duration. At the critical po=
int of the dynamics the  average avalanche shapes for different durations c=
an be rescaled so that they collapse onto a single universal curve. We appl=
y Markov branching process theory to derive a simple equation governing the=
 average avalanche shape for cascade dynamics on networks. Analysis of the =
equation at criticality demonstrates that nonsymmetric average avalanche sh=
apes (as observed in some experiments) occur for certain combinations of dy=
namics and network topology; specifically, on networks with heavy-tailed de=
gree distributions. We give examples using numerical simulations of models =
of information spreading, neural dynamics, and threshold models of  behavio=
ur adoption. This is joint work with Rick Durrett (Duke University).


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


Lines for mathdep calendar:

title:: UCC Applied Maths Seminar
date-time:: Thursday 3 May AT 12pm
location:: WGB G02
content:: James Gleeson
:: (University of Limerick)
:: presents a talk entitled
:: "Temporal profiles of avalanches on networks"
endevent::

--_000_DB6PR0201MB2437D18466BC15437EBDB8F78F8D0DB6PR0201MB2437_
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Dear Colleagues,



All are welcome at the following two seminars:

























































UCC Applied Mathematics Seminars







Speaker: <=
font color=3D"black">=
James
 Gleeson (University of Limerick)=




Time and location: 12pm, Thursday 3 May, WGB G02


Title: Temporal profiles of avalanches on networks


=



Abstract: An avalanche or cascade occurs when one event causes on=
e or more subsequent events, which in turn may cause further events in a ch=
ain reaction. Avalanching dynamics are studied in many disciplines, with a =
recent focus on average avalanche
 shapes, i.e., the temporal profiles that characterize the growth and decay=
 of avalanches of fixed duration. At the critical point of the dynamics the=
  average avalanche shapes for different durations can be rescaled so =
that they collapse onto a single universal
 curve. We apply Markov branching process theory to derive a simple equatio=
n governing the average avalanche shape for cascade dynamics on networks. A=
nalysis of the equation at criticality demonstrates that nonsymmetric avera=
ge avalanche shapes (as observed
 in some experiments) occur for certain combinations of dynamics and networ=
k topology; specifically, on networks with heavy-tailed degree distribution=
s. We give examples using numerical simulations of models of information sp=
reading, neural dynamics, and threshold
 models of  behaviour adoption. This is joint work with Rick Durrett (=
Duke University).


=


=


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




Lines for mathdep calendar:



title:: UCC Applied Maths Seminar

date-time:: Thursday 3 May AT 12pm
location:: WGB G02

content:: James Gleeson<=
br>
:: (Uni=
versity of Limerick)

:: presents a talk entitled

:: "Temporal profiles of avalanch=
es on networks"

endevent::



























































--_000_DB6PR0201MB2437D18466BC15437EBDB8F78F8D0DB6PR0201MB2437_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 30 11:55:47 2018
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Date:         Mon, 30 Apr 2018 10:55:30 +0000
Reply-To:     "Peg.Hanrahan" 
Sender:       UCD Maths Department Distribution List 
From:         "Peg.Hanrahan" 
Subject: MATHS: MACSI Seminar: Matched-asymptotic and Singular Perturbation Approach For Inertial Coating Flow Near Exit, Friday 4th May , Room A2-002, University of Limerick
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Content::




MACSI


The department of Mathematics and Statistics at the University of Limerick =
invites you to a seminar by  Prof. Roger Khayat (Western University):

Title: Matched-asymptotic and Singular Perturbation Approach For Inertial C=
oating Flow Near Exit

Abstract: The flow of a two-dimensional steady wall jet observed in the slo=
t and blade coating processes is examined theoretically near and far from t=
he channel exit. The free-surface jet emerges from a channel and deposits o=
nto an infinite moving substrate with an adverse or favorable pressure grad=
ient applied inside the channel to describe slot and blade coating, respect=
ively. The Reynolds number considered is within the moderate range, and ful=
ly developed Couette-Poiseuille flow conditions are assumed to prevail far =
upstream inside the channel. The effects of inertia, surface tension and fl=
ow rate (upstream pressure gradient) on the velocity, the shape of the free=
 surface, and the stress are emphasized. The problem is solved using the me=
thod of matched asymptotic expansions. The small parameter involved in the =
expansions is the inverse cubic power of the Reynolds number. The flow fiel=
d is obtained by matching the inviscid rotational core flow separately with=
 the free-surface and the two wall layers. The upstream influenced is exami=
ned as well as the break in the symmetry between the two wall layers. The t=
heoretical approach is closely related to the triple-deck theory (Sobey 200=
0), and follows closely the formulations adopted for a symmetric jet emergi=
ng from a channel (Tillett 1968) or a tube (Philippe & Dumargue 1991). We f=
ind that the jet always contracts near the channel exit regardless of the l=
evel of inertia and direction of the applied pressure gradient. Some expans=
ion is predicted downstream of the exit for blade coating which strengthens=
 with increasing flow rate. An adverse pressure gradient provides a thinner=
 film thickness than a favorable one. I will also briefly discuss non-Newto=
nian effects (Saffari & Khayat 2009; Khayat 2014) as well as the effects of=
 slip (Khayat 2016) on the shape of the emerging jet. The case of a jet on =
a stationary wall (Khayat 2017) will also be discussed.

Khayat, R. E. 2014 Free-surface jet flow of a shear-thinning power-law flui=
d near the channel exit. J. Fluid Mech. 748, 580-617.
Khayat, R. E. 2017 Initial development of a free-surface wall jet at modera=
te Reynolds number. J. Fluid Mech. 826, 235-269.
Philippe, C., & Dumargue, P. 1991 =C9tude de l'=E9tablissement d'un jet liq=
uide laminaire =E9mergeant d'une conduite cylindrique verticale semi-infini=
e et soumis =E0 l'influence de la gravit=E9. Zeitschrift f=FCr angewandte M=
athematik und Physik ZAMP, 42(2), 227-242.
Saffari, A., & Khayat, R. E. 2009 Flow of viscoelastic jet with moderate in=
ertia near channel exit. J. Fluid Mech. 639, 65-100.
Sobey, I. J. 2005 Introduction to Interactive Boundary Layer Theory. Oxford=
 University Press.
Tillett, J. P. K. 1968 On the laminar flow in a free jet of liquid at high =
Reynolds numbers. J. Fluid Mech. 32, 273-292.


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

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

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




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F93375699exMbx3ulcampus_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable









Content::
 
 
 
 
MACSI=

 
 
The department of Mat=
hematics and Statistics at the University of Limerick invites you to a semi=
nar by  Prof. Roger Khayat (Western University):
 
Title: Matched-asympt=
otic and Singular Perturbation Approach For Inertial Coating Flow Near Exit=

&nbs=
p;
Abstra=
ct: The
 flow of a two-dimensional steady wall jet observed in the slot and blade c=
oating processes is examined theoretically near and far from the channel ex=
it. The free-surface jet emerges from a channel and deposits onto an infini=
te moving substrate with an adverse
 or favorable pressure gradient applied inside the channel to describe slot=
 and blade coating, respectively. The Reynolds number considered is within =
the moderate range, and fully developed Couette-Poiseuille flow conditions =
are assumed to prevail far upstream
 inside the channel. The effects of inertia, surface tension and flow rate =
(upstream pressure gradient) on the velocity, the shape of the free surface=
, and the stress are emphasized. The problem is solved using the method of =
matched asymptotic expansions. The
 small parameter involved in the expansions is the inverse cubic power of t=
he Reynolds number. The flow field is obtained by matching the inviscid rot=
ational core flow separately with the free-surface and the two wall layers.=
 The upstream influenced is examined
 as well as the break in the symmetry between the two wall layers. The theo=
retical approach is closely related to the triple-deck theory (Sobey 2000),=
 and follows closely the formulations adopted for a symmetric jet emerging =
from a channel (Tillett 1968) or
 a tube (Philippe & Dumargue 1991). We find that the jet always contrac=
ts near the channel exit regardless of the level of inertia and direction o=
f the applied pressure gradient. Some expansion is predicted downstream of =
the exit for blade coating which strengthens
 with increasing flow rate. An adverse pressure gradient provides a thinner=
 film thickness than a favorable one. I will also briefly discuss non-Newto=
nian effects (Saffari & Khayat 2009; Khayat 2014) as well as the effect=
s of slip (Khayat 2016) on the shape
 of the emerging jet. The case of a jet on a stationary wall (Khayat 2017) =
will also be discussed.
 
Khayat, R. E. 2014 Fr=
ee-surface jet flow of a shear-thinning power-law fluid near the channel ex=
it. J. Fluid Mech. 748, 580-617.
Khayat, R. E. 2017 In=
itial development of a free-surface wall jet at moderate Reynolds number. J=
. Fluid Mech. 826, 235-269.

Philippe, C., & D=
umargue, P. 1991 =C9tude de l'=E9tablissement d'un jet liquide laminaire =
=E9mergeant d'une conduite cylindrique verticale semi-infinie
 et soumis =E0 l'influence de la gravit=E9. Zeitschrift f=FCr angewandte Ma=
thematik und Physik ZAMP, 42(2), 227-242.

Saffari, A., & Kh=
ayat, R. E. 2009 Flow of viscoelastic jet with moderate inertia near channe=
l exit. J. Fluid Mech. 639, 65-100.

Sobey, I. J. 2005 Int=
roduction to Interactive Boundary Layer Theory. Oxford University Press.

Tillett, J. P. K. 196=
8 On the laminar flow in a free jet of liquid at high Reynolds numbers. J. =
Fluid Mech. 32, 273-292.
&nbs=
p;
&n=
bsp;
This seminar will tak=
e place on
Friday 4^th May, at 4p.m. in Room A2-002=

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

A full list of upcoming seminars can b=
e found at
http://www.ulsites.ul.ie/macsi/=
node/48011
 
--------------------------------------=
--------------------------------------
Supported by Science Foundation Irelan=
d funding, MACSI - the Mathematics Applications
 Consortium for Science and Industry (www.macsi.ul=
.ie),
 centred at the University of Limerick, is dedicated to the mathematical mo=
delling and solution of problems which arise in science, engineering and in=
dustry in Ireland.
 
 
 




--_000_C9BCA8F5312C2B4EA668DF1DB9523C0F93375699exMbx3ulcampus_--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 30 12:01:31 2018
Return-Path: 
Date:         Mon, 30 Apr 2018 12:01:17 +0100
Reply-To:     Marina Krstic Marinkovic 
Sender:       UCD Maths Department Distribution List 
From:         Marina Krstic Marinkovic 
Subject: maths: Scattering workshop at the Hamilton Mathematics Institute TCD -- Registration Closing TODAY
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--000000000000e81c81056b0ec558
Content-Type: text/plain; charset="UTF-8"

Dear colleagues,

This is a reminder that the registration for the HMI workshop "Scattering
from the lattice: applications to phenomenology and beyond" closes today
(April 30th, 2018):

https://indico.cern.ch/event/690702/registrations/41289/

Please note that the registration is mandatory for all participants,
although no conference fee will be charged.

If you have trouble registering through the workshop webpage, please just
email hmi.workshop.tcd cern.ch with your affiliation and the dates you plan
to attend the workshop.

Best wishes,

Maxwell T. Hansen (CERN)
Marina Krstic Marinkovic (TCD)
Mike Peardon (TCD)
Sinead Ryan(TCD)
Stefan Sint (TCD)
Christopher Thomas (Cambridge)
David Wilson (TCD)


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

--000000000000e81c81056b0ec558
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear colleagues,
This is a reminder that the=
 registration for the HMI workshop "Scattering from the lattice: appli=
cations to phenomenology and beyond" closes today (April 30th, 2018):<=
div>
https://indico.cern.ch/event/690702/registrations/41289/

Please note that the registration is mandatory =
for all participants, although no conference fee will be charged.=C2=A0
If you have trouble registering through the workshop webpa=
ge, please just email=C2=A0hmi.=
workshop.tcd cern.ch with your affiliation and the dates you plan to at=
tend the workshop.
Best wishes,

Maxwell T. Hansen (CERN)Marina Krstic Marinkovic (TCD)
Mike Peardon (TCD)Sinead Ryan(TCD)<=
br>Stefan Sint (TCD)
Christopher Thomas (Cambridge)
David Wilson (TCD=
)

-- 
Marina Krstic Marinkovi=
c=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0Tel(mobile)=C2=A0=C2=A0=C2=A0+353 83882 1110
Assistant Prof.,School of Ma=
thematics=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Tel(office)=C2=A0 =
=C2=A0 =C2=A0+353 1 896 4598=
Trinity College,=C2=A0Dublin 2, Ireland=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 Fax +353-1-896 2282
Lloyd Building, Room 2=
44=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 e=
-mail=C2=A0mma=
rina maths.tcd.ie


--000000000000e81c81056b0ec558--

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr 30 21:18:13 2018
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Date:         Mon, 30 Apr 2018 16:17:07 -0400
Reply-To:     Colm Mulcahy 
Sender:       UCD Maths Department Distribution List 
From:         Colm Mulcahy 
Subject: maths: The April 2018 (Mayo mathematicians) blog is live
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--000000000000222c88056b168ceb
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See



http://www.mathsireland.ie/blog/2018_04_cm


No doubt we've missed many through not knowing of their Mayo origins.
Please suggest additions.

Colm Mulcahy

--000000000000222c88056b168ceb
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See


http://www.mathsireland.i=
e/blog/2018_04_cm


No doubt we&=
#39;ve missed many through not knowing of their Mayo origins.=C2=A0 Please =
suggest additions.

Colm Mulcahy



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From:         Stefan Sint 
Subject: maths: Dublin Theoretical Physics Colloquium, 3rd of April
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Dublin Theoretical Physics Colloquium

Time: Wednesday, 3rd of April, at 4:00pm

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

Speaker: Debasish Banerjee (Humboldt University Berlin)

Title:  Quantum Link models to probe new aspects of gauge theories

Abstract:

The Wilson formulation of lattice gauge theories provides a
first-principles study of many properties of strongly interacting
theories, such as quantum chromodynamics (QCD). Certain other
properties, such as real-time dynamics, pose insurmountable challenges
in this paradigm. Quantum Link Models are generalized lattice gauge
theories, which not only offer novel approaches to study dynamics
of gauge theories with quantum simulators, but also connect to
gauge theory descriptions of certain condensed matter systems (such
as frustrated magnetism). In this talk, we explore some novel
properties of gauge theories using quantum link models on classical
computers, and explain how to realize them on quantum simulators.



All welcome!


Future speakers: April 10: Francesca Day

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



          title:: Dublin Theoretical Physics Colloquium
          content:: Debasish Banerjee will speak on

          :: Quantum Link models to probe new aspects of gauge theories

          date-time:: �Wednesday the 3rd of April at 4:00pm

          location:: Synge Lecture Theatre, Hamilton building, Trinity 
College
          Dublin
          endevent::

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Reply-To:     "Peg.Hanrahan" 
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From:         "Peg.Hanrahan" 
Subject: Maths: MACSI Seminar: Mechanics of the brain. Friday 5th April at 16.00, Room A2002, University of Limerick
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Content::




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


Date: Friday,  5th April  2019, Room A2-002   16.00

Speaker: Prof. Michel Destrade (School of Mathematics, Statistics and Appli=
ed Mathematics, NUI Galway).

Title: Mechanics of the brain.

 Abstract: An impact to the head causes brain matter to shake, deform, stre=
tch, shear and twist, among many other possible responses. In reality, we h=
ave little idea of what is actually happening in the brain. To make progres=
s, we can use computer simulations to create an impact and look at its cons=
equences, and also create other scenarios such as tumour growth, neurosurge=
ry, blast wave propagation, etc. However, these simulations are as good, an=
d as bad, as the model they are based on.
Here we will see some of the techniques available to measure the material p=
roperties of brain matter and to model its mechanical behaviour in a robust=
 and meaningful way. We will see the limitations of destructive testing and=
 move on to non-destructive, non-invasive protocols based on the theory of =
acousto-elasticity.

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

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









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Content::
 
 
 
 
MACSI at the dep=
artment of Mathematics and Statistics at the University of Limerick invites=
 you to a seminar
 
 
Date: Friday,  5^th April
  2019, Room A2-002   16.00
 
Speaker:
Prof. Michel Destrade (School of Mathematics, Statistics and App=
lied Mathematics, NUI Galway).

 
Title:<=
span style=3D"font-size:12.0pt;font-family:"Times New Roman",seri=
f;mso-fareast-language:EN-IE">
Mechanics of the brain.
 
 Abstract:
An impact to the head causes brain matter to shake, deform, stre=
tch, shear and twist, among many other possible responses. In reality, we h=
ave little idea of what is actually happening
 in the brain. To make progress, we can use computer simulations to create =
an impact and look at its consequences, and also create other scenarios suc=
h as tumour growth, neurosurgery, blast wave propagation, etc. However, the=
se simulations are as good, and
 as bad, as the model they are based on. 

Here we will see =
some of the techniques available to measure the material properties of brai=
n matter and to model its mechanical behaviour in
 a robust and meaningful way. We will see the limitations of destructive te=
sting and move on to non-destructive, non-invasive protocols based on the t=
heory of acousto-elasticity.  
 
Further Informatio=
n: If you have any
 questions regarding this seminar, please direct them to Romina Gaburro (06=
1 2131930, email romina.gaburro ul.ie  or Clifford No=
lan (061 202766), clifford.nolan ul.ie).
 
--------------------------------------------------=
--------------------------
Supported by Science Foundation Ireland funding, M=
ACSI - the Mathematics Applications Consortium for
 Science and Industry (www.macsi.ul.ie), centred at the University of Limer=
ick, is dedicated to the mathematical modelling and solution of problems wh=
ich arise in science, engineering and
 industry in Ireland.
 
 
 
 
 
 
 
 




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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  1 10:19:24 2019
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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Wednesday April 3): Macroscopic and microscopic behavior of narrow elastic ribbons
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Dear All,

We will have a Seminar Wednesday (April 3) at 4pm in *AC204*.


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



Giuseppe Tomassetti
from Universit=C3=A0 di Roma Tre (Italy)

 will speak on



=E2=80=9CMacroscopic and microscopic behavior of narrow elastic ribbons=E2=
=80=9D

Abstract: A one-dimensional model for a narrow ribbon is derived from the
plate theory of Kirchhoff by means of a power expansion in the width
variable. The energy found coincides with the corrected Sadowsky's energy.
Furthermore, we derive the Euler-Lagrange equations and use them to study
an equilibrium configuration of a twisted ribbon. Within this example we
also describe how to construct the fine scale oscillations that develop in
the deformed configuration.



Contact: Zurlo Giuseppe



Hoping to see you all there,



Haixuan and Michael



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

--000000000000c3c8bb0585748337
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable



Dea=
r All,


We w=
ill have a Seminar Wednesday (April 3) at 4pm in AC204.




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

=C2=
=A0


Gius=
eppe Tomassetti

from Universit=C3=A0 di Roma Tre (Italy)


=C2=A0will speak on 


=C2=
=A0


=E2=
=80=9CMacroscopic and microscopic
behavior of narrow elastic ribbons=E2=80=9D


Abst=
ract: A one-dimensional model for a narrow ribbon is derived
from the plate theory of Kirchhoff by means of a power expansion in the wid=
th
variable. The energy found coincides with the corrected Sadowsky's ener=
gy.
Furthermore, we derive the Euler-Lagrange equations and use them to study a=
n
equilibrium configuration of a twisted ribbon. Within this example we also =
describe
how to construct the fine scale oscillations that develop in the deformed
configuration.


=C2=
=A0


Cont=
act: Zurlo Giuseppe


=C2=
=A0


Hopi=
ng to see you all there,


=C2=
=A0


Haix=
uan and Michael


=C2=
=A0


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




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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  1 11:36:57 2019
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Reply-To:     Kwok Chuen Wong 
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From:         Kwok Chuen Wong 
Subject: DCU Mathematical Finance Seminar - Tiziano Vargiolu (University of Padua)
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Dear colleagues,

We will have Mathematical Finance seminar on Friday (April 5).

Everybody welcome,

Ryan

title:: DCU Math Finance (Tiziano Vargiolu, University of Padua)
content:: Title of talk: Mean-Reverting Additive Energy Forward Curves In a
Heath-Jarrow-Morton Framework
:: In this talk, we make the traditional modeling approach of energy
commodity forwards consistent with no-arbitrage.
:: In fact, traditionally energy prices are modeled as mean-reverting
processes under the real-world probability measure P,
:: which is in apparent contradiction with the fact that they should be
martingales under a risk-neutral measure Q.
:: The key point here is that the two dynamics can coexist, provided a
suitable change of measure is defined between P and Q.
:: To this purpose, we design a Heath-Jarrow-Morton framework for an
additive, mean-reverting, multicommodity market
:: consisting of forward contracts of any delivery period.
:: Even for relatively simple dynamics, we face the problem of finding a
density between P and Q, such that :: the prices of traded assets like
forward contracts are true martingales under Q and mean-reverting under P.
:: Moreover, we are also able to treat the peculiar delivery mechanism of
forward contracts in power and gas markets,
:: where the seller of a forward contract commits to deliver, either
physically or financially, over a certain period,
:: while in other commodity, or stock, markets, a forward is usually
settled on a maturity date.
:: By assuming that forward prices can be represented as affine functions
of a universal source of randomness, :: we can completely characterize the
models which prevent arbitrage opportunities by formulating conditions
under which
:: the change of measure between P and Q is well defined.
:: In this respect, we show a result on the martingale property of
stochastic exponentials.
:: We show how this framework provides an explicit way to describe a
variety of models by
:: introducing, in particular, a generalized Lucia-Schwartz model and a two
factor electricity market based on NIG processes.
:: If time allows, we will show two examples of possible calibration of our
model to market data.
:: (joint with Fred Espen Benth, Luca Latini, Marco Piccirilli and Maren
Diane Schmeck)

date-time:: 5th April at 11:00am
location:: DCU Business School, Q217

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

--=20
*

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

*T=C3=A1 an r=C3=ADomhphost seo agus aon=20
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--0000000000000fcd2a05857599bb
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Dear colleagues,

We will have Math=
ematical Finance seminar on Friday (April 5).

Everybody welcome,
=

Ryan

title:: DCU Math Finance (Tiziano Vargiolu, University of P=
adua)
content:: Title of talk: Mean-Reverting Additive Energy Forward Cu=
rves In a Heath-Jarrow-Morton Framework
:: In this talk, we make the tra=
ditional modeling approach of energy commodity forwards consistent with no-=
arbitrage.
:: In fact, traditionally energy prices are modeled as mean-r=
everting processes under the real-world probability measure P, 
:: which=
 is in apparent contradiction with the fact that they should be martingales=
 under a risk-neutral measure Q. 
:: The key point here is that the two =
dynamics can coexist, provided a suitable change of measure is defined betw=
een P and Q. 
:: To this purpose, we design a Heath-Jarrow-Morton framew=
ork for an additive, mean-reverting, multicommodity market 
:: consistin=
g of forward contracts of any delivery period. 
:: Even for relatively s=
imple dynamics, we face the problem of finding a density between P and Q, s=
uch that :: the prices of traded assets like forward contracts are true mar=
tingales under Q and mean-reverting under P. :: Moreover, we are also able =
to treat the peculiar delivery mechanism of forward contracts in power and =
gas markets, 
:: where the seller of a forward contract commits to deliv=
er, either physically or financially, over a certain period, 
:: while i=
n other commodity, or stock, markets, a forward is usually settled on a mat=
urity date. 
:: By assuming that forward prices can be represented as af=
fine functions of a universal source of randomness, :: we can completely ch=
aracterize the models which prevent arbitrage opportunities by formulating =
conditions under which 
:: the change of measure between P and Q is well=
 defined. 
:: In this respect, we show a result on the martingale proper=
ty of stochastic exponentials. 
:: We show how this framework provides a=
n explicit way to describe a variety of models by 
:: introducing, in pa=
rticular, a generalized Lucia-Schwartz model and a two factor electricity m=
arket based on NIG processes. 
:: If time allows, we will show two examp=
les of possible calibration of our model to market data.
:: (joint with =
Fred Espen Benth, Luca Latini, Marco Piccirilli and Maren Diane Schmeck)
date-time:: 5th April at 11:00am
location:: DCU Business School, Q2=
17

-- 
<=
div dir=3D"ltr">=
Kwok Chuen Wong=
, Ryan
Assistant Professor in Fi=
nancial Mathematics
School of Ma=
thematical Sciences, Dublin City University
X136, Lons=
dale Building, Glasnevin, Dublin 9, Ireland
Tel: +353 1 7005291
Email: kwokchuen.wong dcu.ie




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







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From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  1 12:40:25 2019
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Subject: maths: first femail Abel prize winner
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See:

https://phys.org/news/2019-03-abel-prize-maths-awarded-woman.html

From owner-mathdep LISTSERV.HEANET.IE  Mon Apr  1 12:42:32 2019
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Date:         Mon, 1 Apr 2019 12:42:22 +0100
Reply-To:     Cora Stack 
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From:         Cora Stack 
Subject: Re: maths: first femail Abel prize winner
Comments: To: Wayne Sullivan 
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--000000000000041f5c05857684d3
Content-Type: text/plain; charset="UTF-8"

Wayne can you change that to female
Dr Cora Stack PhD


On Mon, Apr 1, 2019 at 12:40 PM Wayne Sullivan 
wrote:

> See:
>
> https://phys.org/news/2019-03-abel-prize-maths-awarded-woman.html
>

--000000000000041f5c05857684d3
Content-Type: text/html; charset="UTF-8"
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Wayne can you change that to female
=
Dr Cora Stack PhD


On Mon, Apr 1, 2=
019 at 12:40 PM Wayne Sullivan <Wayne.Sullivan ucd.ie> wrote:
See:



https://phys.org/news/2019-03-abel-=
prize-maths-awarded-woman.html



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Subject: maths: TU Dublin Mathematical Sciences Seminar, Friday 5th April
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TU Dublin Mathematical Sciences Seminar

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

Title: On the Determination of the Number of Positive and Negative
Polynomial Zeros and Their Isolation



Speaker: Dr Emil M. Prodanov (TU Dublin)



Date and time: 1pm, Friday 5th April 2019



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



Abstract:

A novel method with two variations is proposed with which the number of
positive and negative zeros of a polynomial with real co-efficients and
degree $n$ can be restricted with significantly better determinacy than
that provided by the Descartes' rule of signs and also isolate quite
successfully the zeros of the polynomial. The method relies on solving
equations of degree smaller than that of the given polynomial. One can
determine analytically the exact number of positive and negative zeros of a
polynomial of degree up to and including five and also fully isolate the
zeros of the polynomial analytically and with one of the variations of the
method, one can analytically approach polynomials of degree up to and
including nine by solving equations of degree no more than four. For
polynomials of higher degree, either of the two variations of the method
should be applied recursively. Classification of the roots of the cubic
equation, together with their isolation intervals, is presented. Numerous
examples are given.

The paper is available on arXiv.org https://arxiv.org/pdf/1901.05960.pdf



All Welcome, light refreshments provided

--=20

[image: turn on images] 

John S Butler

Lecturer

City Campus
________________________________________

Twitter   jslbutler  -- Google Scholar
 =E2=80=
=93
Researchgate  =
=E2=80=93
website 

OT Baile =C3=81tha Cliath - Scoil na nEola=C3=ADochta=C3=AD Matamaitici=C3=
=BAla, Campas Sr=C3=A1id
Chaoimh=C3=ADn, Baile =C3=81tha Cliath 8, =C3=89ire

TU Dublin - School of Mathematical Sciences, Kevin Street Campus, Dublin 8,
Ireland

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r=C3=ADomhphost seo tr=C3=AD earr=C3=A1id, scrios de do ch=C3=B3ras =C3=A9 =
le do thoil. Tabhair ar=20
aird, mura t=C3=BA an seola=C3=AD ainmnithe, go bhfuil dianchosc ar aon noc=
htadh, aon=20
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=A9anfar bunaithe ar an =C3=A1bhar=20
at=C3=A1 sa r=C3=ADomhphost n=C3=B3 sna hiat=C3=A1in seo.*

--00000000000044e2ad058576d6a2
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

TU Dublin=
 Mathematical Sciences=C2=A0Seminar
----------------------=
---------------------Title:=C2=A0On the Determination of the Number of Positive and Negative Polynom=
ial Zeros and Their Isolation
=C2=A0
Speaker: Dr Emil M. Prodanov=C2=A0(TU Dublin)
=C2=A0
Date and time: 1pm, Friday 5th April 20=
19
=C2=A0
Venue: Blue Room, 4th floor, Main =
Building, TU Dublin Kevin Street
=C2=
=A0
Abst=
ract:
A novel method with two variations is proposed with which the number of=
 positive and negative zeros of a polynomial with real co-efficients and de=
gree $n$ can be restricted with significantly better determinacy than that =
provided by the Descartes' rule of signs and also isolate quite success=
fully the zeros of the polynomial. The method relies on solving equations o=
f degree smaller than that of the given polynomial. One can determine analy=
tically the exact number of positive and negative zeros of a polynomial of =
degree up to and including five and also fully isolate the zeros of the pol=
ynomial analytically and with one of the variations of the method, one can =
analytically approach polynomials of degree up to and including nine by sol=
ving equations of degree no more than four. For polynomials of higher degre=
e, either of the two variations of the method should be applied recursively=
. Classification of the roots of the cubic equation, together with their is=
olation intervals, is presented. Numerous examples are given.=C2=A0<=
/font>
The paper is available on arXiv.org https://arxiv.org/pdf/1901.05960.pdf
=C2=A0

All Welcome, light refreshments provided

-- 
<=
/table>_______________=
_________________________John S Butler
=
Lecturer
City Campus
Twitter=C2=
=A0 jslbutler=C2=A0 -- Google Scholar =E2=80=93=
 Researchgate=C2=A0=E2=80=93 website
=
OT Baile =C3=81tha Cliath - Scoil na nEola=
=C3=ADochta=C3=AD Matamaitici=C3=BAla, Campas Sr=C3=A1id Chaoimh=C3=ADn, Ba=
ile =C3=81tha Cliath 8, =C3=89ire
TU Dubli=
n - School of Mathematical Sciences, Kevin Street Campus, Dublin 8, Ireland=




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d from=C2=A0TU=C2=A0Dublin. If you received this email in error, please del=
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TCD THEORETICAL PHYSICS SEMINAR
Tuesday, 16 April 2019, 2:00 pm

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Alessandro Torrielli (University of Surrey)
Title: Massless scattering in lower dimensional AdS/CFT

Abstract: In recent years the framework of AdS/CFT integrability has 
seen a significant paradigm change due to the appearance of massless 
modes in the associated scattering problem. We shall briefly introduce 
the framework of the exact S-matrix theory and adapt it, following ideas 
of Zamolodchikov, to massless scattering, where we will make connections 
with integrable flows between conformal fixed points. We shall then 
translate this scenario to the case of AdS3/CFT2, and demonstrate the 
appearance of a 2D critical theory in the so-called 
Berenstein-Maldacena-Nastase limit of the integrable scattering problem. 
This talk is primarily based on work with R. Borsato, A. Fontanella, O. 
Ohlsson Sax, A. Sfondrini, B. Stefanski and J. Stroemwall.

All are welcome.
=====================

title:: TCD Theoretical Physics Seminar
content:: Alessandro Torrielli (University of Surrey)
::Massless scattering in lower dimensional AdS/CFT::
date-time:: 16 April 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::

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--000000000000b7165d05857e6e3f
Content-Type: text/plain; charset="UTF-8"

DIAS THEORETICAL PHYSICS SEMINAR

Time: Tomorrow, Tuesday 2 April 2019, 2.30 pm

Speaker: Dr. Adam Stokes (University of Manchester)

Title: Gauge ambiguities imply Jaynes-Cummings physics remains valid in
ultrastrong coupling QED

Abstract:  In quantum electrodynamics (QED) each choice of gauge
provides different physical definitions of light and matter as quantum
subsystems. This gauge-relativity is most evident in the ultrastrong
light-matter coupling regime where it can have important implications
for effective models that are in common use. In particular, we show that
when truncating the material system to two levels, each gauge gives a
different description whose predictions vary significantly for
ultrastrong-coupling. Quantum Rabi models (QRMs) are obtained through
specific gauge choices, but so too is a Jaynes-Cummings model (JCM)
without needing the rotating-wave approximation. Analysinga circuit QED
setup, we find that this JCM provides more accurate predictions than the
QRM for the ground state, and often for the first excited state as well.
Thus, Jaynes-Cummings physics is not restricted to light-matter coupling
below the ultrastrong limit. Next, we consider time-dependent couplings
as required for numerous applications. We show that in the absence of an
argument to choose a particular gauge when promoting the coupling
parameter to a time-dependent function, the description that results is
essentially ambiguous. For sufficiently strong and non-adiabatic
interactions, the qualitative physical predictions of final subsystem
properties, such as entanglement and photon number, depend on the gauge
chosen. This occurs even when the coupling vanishes at the preparation
and measurement stages of the protocol, at which times the subsystems
are unique and experimentally addressable.

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

Web: DIAS Visitors - https://www.dias.ie/category/stp/stp-visitors/

All welcome!

&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

title:: DIAS Theoretical Physics Seminar
content:: Dr. Adam Stokes
date-time:: 2 April 2019, 2:30 pm
location:: School of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::

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

--000000000000b7165d05857e6e3f
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

DIAS THEORETICAL PHYSICS=
 SEMINAR

Time: Tomorrow, Tuesday 2 April 2019=
, 2.30 pm

Speaker: Dr. Adam Stokes (University of Manchester)
Title: Gauge ambiguities imply Jaynes-Cummings physics remains valid in=C2=
=A0
ultrastrong coupling QED

Abstract:=C2=A0 In quantum electrody=
namics (QED) each choice of gauge=C2=A0
provides different physical defi=
nitions of light and matter as quantum=C2=A0
subsystems. This gauge-rela=
tivity is most evident in the ultrastrong=C2=A0
light-matter coupling re=
gime where it can have important implications=C2=A0
for effective models=
 that are in common use. In particular, we show that=C2=A0
when truncati=
ng the material system to two levels, each gauge gives a=C2=A0
different=
 description whose predictions vary significantly for=C2=A0
ultrastrong-=
coupling. Quantum Rabi models (QRMs) are obtained through=C2=A0
specific=
 gauge choices, but so too is a Jaynes-Cummings model (JCM)=C2=A0
withou=
t needing the rotating-wave approximation. Analysinga circuit QED=C2=A0
=
setup, we find that this JCM provides more accurate predictions than the=C2=
=A0
QRM for the ground state, and often for the first excited state as w=
ell.=C2=A0
Thus, Jaynes-Cummings physics is not restricted to light-matt=
er coupling=C2=A0
below the ultrastrong limit. Next, we consider time-de=
pendent couplings=C2=A0
as required for numerous applications. We show t=
hat in the absence of an=C2=A0
argument to choose a particular gauge whe=
n promoting the coupling=C2=A0
parameter to a time-dependent function, t=
he description that results is=C2=A0
essentially ambiguous. For sufficie=
ntly strong and non-adiabatic=C2=A0
interactions, the qualitative physic=
al predictions of final subsystem=C2=A0
properties, such as entanglement=
 and photon number, depend on the gauge=C2=A0
chosen. This occurs even w=
hen the coupling vanishes at the preparation=C2=A0
and measurement stage=
s of the protocol, at which times the subsystems=C2=A0
are unique and ex=
perimentally addressable.

Place: Lecture Room, 1st Floor, School of =
Theoretical Physics, DIAS, 10=C2=A0
Burlington Road, Dublin 4

Web=
: DIAS Visitors -=C2=A0https://www.dias.ie/category/st=
p/stp-visitors/

All welcome!

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

title:: DIAS Theoretical Physics Seminar
conten=
t:: Dr. Adam Stokes
date-time:: 2 April 2019, 2:30 pm
location:: Scho=
ol of Theoretical Physics, DIAS. 10 Burlington Road, D.4.
endevent::
=

For more about the MATHDEP list access=C2=A0http://maths.ucd.ie/mathd=
ep
To change your mathdep preference, access=C2=A0https://m=
aths.ucd.ie/mathdepchange



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Date:         Tue, 2 Apr 2019 08:49:37 +0000
Reply-To:     Ciaran Mac an Bhaird 
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From:         Ciaran Mac an Bhaird 
Subject: Maths: Workshop on tutor and lecturer training and accreditation- Final Call
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Dear all,


A final reminder that Maynooth University and TU Dublin are running the fol=
lowing workshop as part of the National Forum Seminar Series on Friday 12th=
 of April from 11am (Renehan Hall, Maynooth University).


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


While the event is free and refreshments will be provided, registration is =
compulsory and closes on Tuesday the 9th of April. Further details are avai=
lable from https://www.maynoothuniversity.ie/mathematics-and-statistics/tut=
orlecturercredits



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



Le meas,

Ciar=E1n

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



Dr. Ciar=E1n Mac an Bhaird


Lecturer and MSC Director


Department of Mathematics and Statistics


Maynooth University


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


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




--_000_DB7PR02MB46959A44ECA4A3E69B7B6C0E8C560DB7PR02MB4695eurp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable










Dear all,=






A final reminder that Maynooth University and =
TU Dublin are running the following workshop
 as part of the National Forum Seminar Series on Friday 12th of April =
from 11am (Renehan Hall, Maynooth University).





Title:
 'Accrediting
 systems of training for STEM postgraduate tutors and lecturers.'













While the event is free and refreshments
 will be provided, registration is compulsory and closes on Tuesday the =
9th of April. Further details are available f=
rom https://www.maynoothuniversi=
ty.ie/mathematics-and-statistics/tutorlecturercredits






 



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





 



Le meas,



Ciar=E1n





title:: Accrediting
 systems of training for STEM postgraduate tutors and lecturers


::  University of Birmingham, NUI Galway, TU Dublin
:: deliver a workshop on training models which are amenable to a=
ccreditation 

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

location:: Maynooth University, Renehan Hall, South Campus

endevent::









Dr. Ciar=E1n Mac an Bhair=
d



Lecturer and MSC Director=




Department of Mathematics=
 and Statistics



Maynooth University



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





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



























--_000_DB7PR02MB46959A44ECA4A3E69B7B6C0E8C560DB7PR02MB4695eurp_--

From owner-mathdep LISTSERV.HEANET.IE  Tue Apr  2 14:30:28 2019
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Subject: Maths: DIAS, STP - Summer Studentships 2019
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DIAS Summer Studentships - School of Theoretical Physics - 2019

As part of the DIAS Summer Studentships programme the School of 
Theoretical, of the Dublin Institute for Advanced Studies is delighted 
to be in a position to offer 3 Summer Studentships.

The stipend is for a total scholarship of 3,000 euros and covers
a two month internship starting on or before June 4th.

A successful candidate should be in line for a 1st class honours
degree, have an interest in a research career in Theoretical Physics
or Mathematics and be completing their 3rd year at an Irish
higher education institution. Female students are encouraged to apply.

STP offers the opportunity to pursue junior research projects in
quantum gravity, quantum field theory, string and M-theory,
condensed matter physics and topics related to quantum computing.

The closing date for applications is 5pm on Monday April 15th.
Successful candidates will be notified by email later in April.

Apply here : https://www.dias.ie/positions/

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Date:         Tue, 2 Apr 2019 20:58:56 +0000
Reply-To:     "Dendrinos, Spyridon" 
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From:         "Dendrinos, Spyridon" 
Subject: maths: UCC Mathematics Seminar
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Dear Colleagues,



You are welcome to the following seminar:



UCC Mathematics Seminar



Time and location: 4-5pm, Tuesday 9 April 2019, WGB G04



Speaker:  Padraig =D3 Cath=E1in (Worcester Polytechnic Institute)



Title: Morphisms of Complex Hadamard matrices



Abstract:

Let $M$ be a matrix with complex entries of unit norm. A well-known theorem=
 of Hadamard bounds the magnitude of the determinant of $M$ as a function o=
f its dimension, and $M$ is a complex Hadamard matrix if $M$ meets Hadamard=
's bound with equality. In this talk I will survey some known results on ex=
istence of special types of complex Hadamard matrices, in particular matric=
es with entries in the $k^{\textrm{th}}$ roots of unity. I will report on r=
ecent joint work with Ronan Egan and Eric Swartz on the existence of tensor=
-product-like maps which reduce the number of entries in a complex Hadamard=
 matrix at the cost of increasing the dimension. This work generalises prev=
ious constructions of Turyn and Compton-Craigen-de Launey of real Hadamard =
matrices from certain complex Hadamard matrices with entries in the fourth =
and sixth roots of unity respectively.

Best regards,

Spyros Dendrinos


--_000_DB7PR02MB4092BB29CFE0AFE930EBFF95BA560DB7PR02MB4092eurp_
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Dear Coll=
eagues,










 

You are welcome to the following
seminar:

 

UCC
Mathematics Seminar

 

Time and location:
4-5pm, Tuesday 9 April 2019, WGB =
G04

 

Speaker:  Padraig
 =D3 Cath=E1in (Worcester Polytechnic Institute)

 

Title:
Morphisms
 of Complex Hadamard matrices


&n=
bsp;

Abstract:


Let
 $M$ be a matrix with complex entries of unit norm. A well-known theorem of=
 Hadamard bounds the magnitude of the determinant of $M$ as a function of i=
ts dimension, and $M$ is a complex Hadamard matrix if $M$ meets Hadamard's =
bound with equality. In this talk
 I will survey some known results on existence of special types of complex =
Hadamard matrices, in particular matrices with entries in the $k^{\textrm{t=
h}}$ roots of unity. I will report on recent joint work with Ronan Egan and=
 Eric Swartz on the existence of
 tensor-product-like maps which reduce the number of entries in a complex H=
adamard matrix at the cost of increasing the dimension. This work generalis=
es previous constructions of Turyn and Compton-Craigen-de Launey of real Ha=
damard matrices from certain complex
 Hadamard matrices with entries in the fourth and sixth roots of unity resp=
ectively.


Best regards,


Spyros Dendrinos
















--_000_DB7PR02MB4092BB29CFE0AFE930EBFF95BA560DB7PR02MB4092eurp_--

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Subject: maths: Analysis Seminar in UCD on the 9th of April
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Tuesday 9th April, 2019  at 4.00pm  (place: UCD  Science North 125 )

Speaker S. Gardiner

Title:   A characterization of annular domains by quadrature identities II
Abstract: We will show that annular domains may be characterized as
quadrature domains for harmonic functions with respect to a uniformly
distributed measure on a sphere. This verifies an old conjecture of
Armitage and Goldstein. (Joint work with Tomas Sj=C3=B6din.)





title:: ANALYSIS SEMINAR
content:: S. Gardiner  will speak on
::   A characterization of annular domains by quadrature identities II
date-time:: Tuesday 9th  April, 2019  at 4.00pm
location:: UCD  Science North 125
endevent::

--000000000000bee82d05859d52e3
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Tuesday 9th April, 2019=C2=A0 at 4.00pm=C2=A0 (place:=
 UCD=C2=A0 Science North 125 )

Speaker S. Gardiner=


Title:=C2=A0=C2=A0 A characterization of annular domains by quad=
rature identities II 
Abstract: We will show that annu=
lar domains may be characterized
      as quadrature domains for harmonic functions with respect to a
      uniformly distributed measure on a sphere. This verifies an old
      conjecture of Armitage and Goldstein. (Joint work with Tomas
      Sj=C3=B6din.)

   =20
    


=C2=A0


title:: ANALYSIS<=
/span> SEMINAR=


content:: S. Gardiner=C2=A0 will speak on

::=C2=A0=C2=A0 A characterization of annular domains by quadrature id=
entities II 

date-time::  Tuesday 9th=C2=A0 April, 2019=C2=A0 at 4.00pm

location:: UCD=C2=A0 Science North 125 

endevent:: 

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Date:         Wed, 3 Apr 2019 10:00:30 +0000
Reply-To:     Seminars Maths NUIG 
Sender:       UCD Maths Department Distribution List 
From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (today): Macroscopic and microscopic behavior of narrow elastic ribbons
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Dear All,

We will have a Seminar today at 4pm in *AC204*.


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



Giuseppe Tomassetti
from Universit=C3=A0 di Roma Tre (Italy)

 will speak on



=E2=80=9CMacroscopic and microscopic behavior of narrow elastic ribbons=E2=
=80=9D

Abstract: A one-dimensional model for a narrow ribbon is derived from the
plate theory of Kirchhoff by means of a power expansion in the width
variable. The energy found coincides with the corrected Sadowsky's energy.
Furthermore, we derive the Euler-Lagrange equations and use them to study
an equilibrium configuration of a twisted ribbon. Within this example we
also describe how to construct the fine scale oscillations that develop in
the deformed configuration.



Contact: Zurlo Giuseppe



Hoping to see you all there,



Haixuan and Michael



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

--00000000000088c57205859d53b7
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Dear All,
We will have a Seminar today at 4pm in <=
span style=3D"color:red;font-family:"Calibri","sans-serif&qu=
ot;;font-size:11pt">AC204.

 Coffee/te=
a/cakes/biscuits will be served in ADB-G022 from 3:30.
=C2=A0
Giuseppe Tomassetti
 from U=
niversit=C3=A0 di Roma Tre (Italy)
=C2=A0will speak on 
=C2=A0
=E2=80=9CMacroscopic an=
d microscopic behavior of narrow elastic ribbons=E2=80=9D
Abstract: A one-dimensiona=
l model for a narrow ribbon is derived from the plate theory of Kirchhoff b=
y means of a power expansion in the width variable. The energy found coinci=
des with the corrected Sadowsky's energy. Furthermore, we derive the Eu=
ler-Lagrange equations and use them to study an equilibrium configuration o=
f a twisted ribbon. Within this example we also describe how to construct t=
he fine scale oscillations that develop in the deformed configuration.
=C2=A0=
Contact: Zurlo =
Giuseppe
=
=C2=A0
Ho=
ping to see you all there,
=C2=A0
Haixuan and Michael
=C2=A0
Future seminars are listed at=C2=A0http://www.nuigal=
way.ie/science/school-of-maths/seminars/ 

--00000000000088c57205859d53b7--

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr  3 11:39:19 2019
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Date:         Wed, 3 Apr 2019 11:39:13 +0100
Reply-To:     jonivar skullerud 
Sender:       UCD Maths Department Distribution List 
From:         jonivar skullerud 
Subject: maths: Maynooth Theoretical Physics Seminar 5 April
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Speaker:       Debasish Banerjee, Berlin
Title:         Strongly interacting systems with quantum simulations
When:          Friday, 5 April at 2pm
Where:         Hall D, Arts Block, North Campus

Abstract:

   Quantum simulation has recently emerged as a novel tool to probe
   aspects of strongly interacting systems, such as dynamics and the
   physics of dense phases of matter, which cannot be solved by any other
   techniques.

   In the talk, we will explore how quantum simulation can be used to
   address such questions in the context of high-energy physics, as well
   as condensed matter systems. Simple model systems will be considered
   which can qualitatively mimic properties of fundamental theories, such
   as Quantum Chromodynamics.  We will also point out certain novel
   properties of the models which can be observed in the future quantum
   simulation experiments.

All are welcome.

title:: Maynooth Theoretical Physics Seminar
content:: Debasish Banerjee will speak on
       :: Strongly interacting systems with quantum simulations
date-time:: Friday 5 April at 14:00
location:: Hall D, Arts Building, North Campus, Maynooth University
endevent::

-- 
|  Jon-Ivar Skullerud                                                      |
|  Head of Department                                                      |
|  Dept of Theoretical Physics   |   Tel +353 1 708 3678                   |
|  Maynooth University           |   Fax +353 1 708 3967                   |
|  Maynooth, Co Kildare, Ireland |   http://www.jonivar.skullerud.name/    |
---------------------------------------------------------------------------

From owner-mathdep LISTSERV.HEANET.IE  Wed Apr  3 15:37:10 2019
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Date:         Wed, 3 Apr 2019 15:36:51 +0100
Reply-To:     Barry Wardell 
Sender:       UCD Maths Department Distribution List 
From:         Barry Wardell 
Subject: UCD Applied & Computational Mathematics Seminar, April 4th at 2pm
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--000000000000adbf530585a12f34
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Dear Colleagues,

The next seminar in the UCD Applied and Computational Maths Seminar Series =
<
http://maths.ucd.ie/ACMSeminars/> will take place next *Thursday, 4th April
at 2pm* (note the unusual time and location).

All are welcome. Details of the seminar follows.

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

*Speaker:* Alejandro Orfila (Spanish National Research Council and the
University of the Balearic Islands)
*Time:* Thursday, 4th April 2019 at 2pm
*Location:* H2.32, UCD O'Brien Centre for Science (Hub)

*Title:* Effect of small scale transport processes on phytoplankton
distribution in coastal seas

*Abstract:*
Coastal ocean ecosystems are major contributors to the global
biogeochemical cycles and biological productivity. Physical factors induced
by the turbulent flow play a crucial role in regulating marine ecosystems.
However, while large-scale open-ocean dynamics is well described by
geostrophy, the role of multiscale transport processes in coastal regions
is still poorly understood due to the lack of continuous high-resolution
observations. Here, the influence of small-scale dynamics (O(3.5=E2=80=9325=
) km,
i.e. spanning upper submesoscale and mesoscale processes) on surface
phytoplankton derived from satellite chlorophyll-a (Chl-a) is studied using
Lagrangian metrics computed from High-Frequency Radar currents. The
combination of complementary Lagrangian diagnostics, including the
Lagrangian divergence along fluid trajectories, provides an improved
description of the 3D flow geometry which facilitates the interpretation of
two non-exclusive physical mechanisms affecting phytoplankton dynamics and
patchiness.

*Title:* Extreme waves and climatic patterns of variability in North
Atlantic Ocean and Mediterranean Sea

*Abstract:*
The spatial and temporal variability of extreme wave climate in the North
Atlantic Ocean and the Mediterranean Sea is assessed using 3-hour output of
wave model during a period of 31 years (1979-2009). The seasonality
accounts for a 50% of the extreme wave height in the North Atlantic Ocean
and for a 85\% in the Mediterranean Sea. Once removed the seasonality, the
North Atlantic Oscillation and the Scandinavian Index mainly control the
interannual variability of extreme waves during winters. To a lesser
extent, the East Atlantic Oscillation also modulates extreme waves in some
areas. In the Mediterranean Sea, the dominant modes regarding extreme
waves, correspond to the East Atlantic and East Atlantic/Western Russia
modes both in their negative phases.

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

Best wishes,
Barry Wardell

title:: UCD ACM Seminar
date-time:: Thursday, 4th April 2019 at 2pm
location:: H2.32, UCD O'Brien Centre for Science (Hub)
content:: Alejandro Orfila (Spanish National Research Council and the
University of the Balearic Islands) will speak on
:: Effect of small scale transport processes on phytoplankton distribution
in coastal seas / Extreme waves and climatic patterns of variability in
North Atlantic Ocean and Mediterranean Sea
endevent::

--000000000000adbf530585a12f34
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Dear Colleagues,
<=
div dir=3D"ltr">
T=
he next=C2=A0seminar=C2=
=A0in the UCD=C2=A0Applied=C2=A0and Computational Maths=C2=A0Seminar=C2=A0Series <http://maths.ucd.ie/ACMSeminars/> will take=
 place next Thursday, 4th April at 2pm=C2=A0(note the unusual time a=
nd location).=C2=A0

All are welcome. Detail=
s of the=C2=A0s=
eminar=C2=A0follows.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D
UCD=C2=A0Applied=
=C2=A0&=C2=A0Computational=C2=A0Mathematics=C2=A0Seminar=

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

Speaker:=C2=A0Alejand=
ro Orfila=C2=A0(Spani=
sh National Research Council and the University of the Balearic Islands)
Time:=C2=A0Thursday, 4th April 2019 at 2pm
Location: H2.32, UCD O'Brien =
Centre for Science (Hub)

Title:=C2=A0Effect of small scale transport proce=
sses on phytoplankton distribution in coastal seas
=

<=
font face=3D"arial, helvetica, sans-serif">Abstract:
Coastal ocean ecosystems are major cont=
ributors to the global biogeochemical cycles and biological productivity. P=
hysical factors induced by the turbulent flow play a crucial role in regula=
ting marine ecosystems. However, while large-scale open-ocean dynamics is w=
ell described by geostrophy, the role of multiscale transport processes in =
coastal regions is still poorly understood due to the lack of continuous hi=
gh-resolution observations. Here, the influence of small-scale dynamics (O(=
3.5=E2=80=9325) km, i.e. spanning upper submesoscale and mesoscale processe=
s) on surface phytoplankton derived from satellite chlorophyll-a (Chl-a) is=
 studied using Lagrangian metrics computed from High-Frequency Radar curren=
ts. The combination of complementary Lagrangian diagnostics, including the =
Lagrangian divergence along fluid trajectories, provides an improved descri=
ption of the 3D flow geometry which facilitates the interpretation of two n=
on-exclusive physical mechanisms affecting phytoplankton dynamics and patch=
iness.
=

Title:=C2=A0Extreme waves and climatic patterns of variabilit=
y in North Atlantic Ocean and Mediterranean Sea

Abstract:
=
The spatial and temporal variability of ext=
reme wave climate in the North Atlantic Ocean and the Mediterranean Sea is =
assessed using 3-hour output of wave model during a period of 31 years (197=
9-2009). The seasonality accounts for a 50% of the extreme wave height in t=
he North Atlantic Ocean and for a 85\% in the Mediterranean Sea. Once remov=
ed the seasonality, the North Atlantic Oscillation and the Scandinavian Ind=
ex mainly control the interannual variability of extreme waves during winte=
rs. To a lesser extent, the East Atlantic Oscillation also modulates extrem=
e waves in some areas. In the Mediterranean Sea, the dominant modes regardi=
ng extreme waves, correspond to the East Atlantic and East Atlantic/Western=
 Russia modes both in their negative phases.
<=
div>
=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=

Best wis=
hes,
Barry Wardell

<=
font face=3D"Roboto, RobotoDraft, Helvetica, Arial, sans-serif">title:: UCD ACM=C2=A0Seminar
date=
-time::=C2=A0Thursday, 4th April 2019 at 2pm
location:: H2.32, UCD O'Brien Centre for Scienc=
e (Hub)
content::=C2=
=A0Alejandro Orfi=
la (Spanish National Research Council and the University of the Balearic Is=
lands)=C2=A0will speak o=
n::=C2=A0Effect of small scale transport processes on phytoplankton dist=
ribution in coastal seas /=C2=A0Extreme waves and climatic patterns of vari=
ability in North Atlantic Ocean and Mediterranean Sea
endevent::


--000000000000adbf530585a12f34--

From owner-mathdep LISTSERV.HEANET.IE  Thu Apr  4 06:40:29 2019
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Date:         Thu, 4 Apr 2019 06:40:17 +0100
Reply-To:     Vladimir Dotsenko 
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From:         Vladimir Dotsenko 
Subject: maths: Dublin Mathematics Colloquium TODAY
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this format, some or all of this message may not be legible.

--B_3637204819_1046380071
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Dublin Mathematics Colloquium
Thursday, April 4 at 4:00pm
Synge Theatre, Hamilton Building, TCD

Speaker: Johan Leray (University Paris 13)

Title: Double Poisson algebras up to homotopy

Abstract:
The notion of double Poisson algebra, introduced by Van den Bergh in 2008, is the noncommutative analogous of Poisson structure. After recalling what is a Poisson structure and presenting and motivating this new algebraic structure, I will define the notion of (pr)operads, which are algebraic objects used to encode many algebraic structures. I will show how we can use this notion to understand what is double Poisson algebras up to homotopy.



--B_3637204819_1046380071
Content-type: text/html;
	charset="UTF-8"
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Dublin Mathematics Colloquium
Thursday, April 4=
 at 4:00pm
Synge Theatre, Hamilton Building, TCD

Speaker: Johan Le=
ray (University Paris 13)

Title: Double Poisson algebras up to homoto=
py

Abstract:
The notion of double Poisson algebra, introduced by V=
an den Bergh in 2008, is the noncommutative analogous of Poisson structure. =
After recalling what is a Poisson structure and presenting and motivating th=
is new algebraic structure, I will define the notion of (pr)operads, which a=
re algebraic objects used to encode many algebraic structures. I will show h=
ow we can use this notion to understand what is double Poisson algebras up t=
o homotopy.



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Subject: maths: TODAY Theoretical Physics Seminar - TCD - 4 April
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> TCD THEORETICAL PHYSICS SEMINAR
> Thursday, 4 April 2019, 2:00 pm
>=20
> Seminar Room, House 20
> School of Mathematics=20
> Trinity College Dublin
>=20
> Speaker: Rajesh Gupta (King=E2=80=99s College)
> Title:  Exact computations in supersymmetric quantum field theory on =
AdS
>=20
> Abstract:=20
> Supersymmetric localization has provided us a powerful tool to look =
into strongly coupled dynamics of a supersymmetric quantum field theory =
on a compact manifold. Supersymmetric quantum field theory can also be =
defined on a curved but non-compact space such as AdS space. Other than =
AdS/CFT, these spaces appear in a various physical context such as =
computation of entropy of extremal black holes, entanglement entropy, =
holographic description of Wilson loop etc. In this talk, I will discuss =
the localization computation in supersymmetric field theory on AdS =
space. The partition function computation on AdS requires imposing =
boundary conditions on all the fields while performing the path =
integral. This gives subtleties when we use localization technique in =
the path integral. I will focus myself to the example of supersymmetric =
Chern Simons matter theory on AdS_2xS^1 and discuss some of these =
subtleties in these computations.
>=20
>=20
>=20
> All are welcome.
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>=20
> title:: TCD Theoretical Physics Seminar
> content:: Rajesh Gupta (King=E2=80=99s College)
> ::Exact computations in supersymmetric quantum field theory on AdS::
> date-time:: 4 April 2019 at 2:00 pm
> location::Seminar Room House 20, TCD
> endevent::


--Apple-Mail=_A510AC67-1F6C-4069-AB04-9D8BBD102714
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	charset=utf-8


TCD THEORETICAL PHYSICS SEMINAR
Thursday, 4 April 2019, 2:00 pm

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

Speaker: Rajesh Gupta (King=E2=80=99s College)
Title:  Exact computations in supersymmetric quantum =
field theory on AdS

Abstract: 
Supersymmetric localization has provided us a powerful tool =
to look into strongly coupled dynamics of a supersymmetric quantum field =
theory on a compact manifold. Supersymmetric quantum field theory =
can also be defined on a curved but non-compact space such as AdS =
space. Other than AdS/CFT, these spaces appear in a various physical =
context such as computation of entropy of extremal black holes, =
entanglement entropy, holographic description of Wilson loop etc. In =
this talk, I will discuss the localization computation in supersymmetric =
field theory on AdS space. The partition function computation on AdS =
requires imposing boundary conditions on all the fields while performing =
the path integral. This gives subtleties when we use localization =
technique in the path integral. I will focus myself to the example of =
supersymmetric Chern Simons matter theory on AdS_2xS^1 and discuss some =
of these subtleties in these computations.



All =
are welcome.

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

title:: TCD =
Theoretical Physics Seminar
content:: Rajesh Gupta =
(King=E2=80=99s College)
::Exact computations in =
supersymmetric quantum field theory on AdS::
date-time:: 4 April 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::

=

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Reply-To:     Seminars Maths NUIG 
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From:         Seminars Maths NUIG 
Subject: Maths: Seminar in NUI Galway (Monday April 8): Morphisms of Complex Hadamard matrices
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Dear All,

We will have a Seminar Monday (April 8) at 4pm in ADB1020.


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



Padraig =C3=93 Cath=C3=A1in
from Worcester Polytechnic Institute (US)

 will speak on



=E2=80=9CMorphisms of Complex Hadamard matrices=E2=80=9D

Abstract: Let $M$ be a matrix with complex entries of unit norm. A
well-known theorem of Hadamard bounds the magnitude of the determinant of
$M$ as a function of its dimension, and $M$ is a complex Hadamard matrix if
$M$ meets Hadamard's bound with equality. In this talk I will survey some
known results on existence of special types of complex Hadamard matrices,
in particular matrices with entries in the $k^{\textrm{th}}$ roots of
unity. I will report on recent joint work with Ronan Egan and Eric Swartz
on the existence of tensor-product-like maps which reduce the number of
entries in a complex Hadamard matrix at the cost of increasing the
dimension. This work generalises previous constructions of Turyn and
Compton-Craigen-de Launey of real Hadamard matrices from certain complex
Hadamard matrices with entries in the fourth and sixth roots of unity
respectively.



Contact: Tobias Rossmann



Hoping to see you all there,



Haixuan and Michael



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

--000000000000a062de0585b13b0f
Content-Type: text/html; charset="UTF-8"
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Dea=
r All,


We w=
ill have a Seminar Monday (April 8) at 4pm in ADB1020.




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

=C2=
=A0


Padr=
aig =C3=93 Cath=C3=A1in

from Worcester Polytechnic Institute (US)


=C2=A0will speak on 


=C2=
=A0


=E2=
=80=9CMorphisms of Complex
Hadamard matrices=E2=80=9D


Abst=
ract: Let $M$ be a matrix with complex entries of unit norm.
A well-known theorem of Hadamard bounds the magnitude of the determinant of=
 $M$
as a function of its dimension, and $M$ is a complex Hadamard matrix if $M$
meets Hadamard's bound with equality. In this talk I will survey some k=
nown
results on existence of special types of complex Hadamard matrices, in
particular matrices with entries in the $k^{\textrm{th}}$ roots of unity. I
will report on recent joint work with Ronan Egan and Eric Swartz on the
existence of tensor-product-like maps which reduce the number of entries in=
 a
complex Hadamard matrix at the cost of increasing the dimension. This work
generalises previous constructions of Turyn and Compton-Craigen-de Launey o=
f
real Hadamard matrices from certain complex Hadamard matrices with entries =
in
the fourth and sixth roots of unity respectively.


=C2=
=A0


Cont=
act: Tobias Rossmann


=C2=
=A0


Hopi=
ng to see you all there,


=C2=
=A0


Haix=
uan and Michael


=C2=
=A0


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




--000000000000a062de0585b13b0f--

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Reply-To:     Andrei Parnachev 
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From:         Andrei Parnachev 
Subject: maths: Theoretical Physics Seminar, TCD, April 12th
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TCD THEORETICAL PHYSICS SEMINAR
Friday, 12 April 2019, 2:00 pm  [NOTE UNUSUAL DAY: THIS SEMINAR IS ON
FRIDAY]

Seminar Room, House 20
School of Mathematics
Trinity College Dublin

Speaker: Petar Tadic (TCD)
Title: On the convergence of the gradient expansion in hydrodynamics

Abstract: Hydrodynamic excitations corresponding to sound and shear modes
in fluids are characterised by gapless dispersion relations. In the
hydrodynamic gradient expansion, their frequencies are represented by power
series in spatial momenta. We investigate the analytic structure and
convergence properties of the hydrodynamic series by studying the
associated spectral curve in the space of complexified  frequency and
complexified spatial momentum. For the strongly coupled ${\cal N}=4$
supersymmetric Yang-Mills plasma, we  use the holographic duality methods
to demonstrate that the derivative expansions have finite non-zero radii of
convergence. Obstruction to the convergence of hydrodynamic series arises
from level crossings in the quasinormal spectrum at complex momenta.

All are welcome.
=====================

title:: TCD Theoretical Physics Seminar
content:: Petar Tadic (TCD)
::On the convergence of the gradient expansion in hydrodynamics::
date-time:: 12 April 2019 at 2:00 pm
location::Seminar Room House 20, TCD
endevent::

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

--0000000000009137180585b57f6b
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TCD THEORETICAL PHYSICS SEMINAR

Friday, 12 April 2019, 2:00 pm =C2=A0[NOTE UNUSUAL DAY: THIS SEMINAR IS ON =
FRIDAY]



Seminar Room, House 20

School of Mathematics

Trinity College Dublin



Speaker: Petar Tadic (TCD)

Title:=C2=A0On the convergence of the gradient expansion in h=
ydrodynamics



Abstract:=C2=A0Hydrodynamic excitations corresponding to soun=
d and shear modes in fluids are characterised by gapless dispersion relatio=
ns. In the hydrodynamic gradient expansion, their frequencies are represent=
ed by power series in spatial momenta. We investigate the analytic structur=
e and convergence properties of the hydrodynamic series by studying the ass=
ociated spectral curve in the space of complexified =C2=A0frequency and com=
plexified spatial momentum. For the strongly coupled ${\cal N}=3D4$ supersy=
mmetric Yang-Mills plasma, we =C2=A0use the holographic duality methods to =
demonstrate that the derivative expansions have finite non-zero radii of co=
nvergence. Obstruction to the convergence of hydrodynamic series arises fro=
m level crossings in the quasinormal spectrum at complex momenta.


All are welcome.

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



title:: TCD Theoretical Physics Seminar

content:: Petar Tadic (TCD)

::On the convergence of the gradient expansion in hydrodynami=
cs::

date-time:: 12 April 2019 at 2:00 pm

location::Seminar Room House 20, TCD

endevent::



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



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Date:         Thu, 4 Apr 2019 17:35:05 +0100
Reply-To:     Hermann Render 
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From:         Hermann Render 
Subject: maths: UCD Colloquium series
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--000000000000085e4b0585b6f470
Content-Type: text/plain; charset="UTF-8"

noemail::
title:: UCD COLLOQUIUM SERIES
content::  Professor Polona Oblak  (University Ljubljana, Slovenia)  will
speak on
::  On the multiplicities of eigenvalues of symmetric matrices whose
pattern is constrained by a graph
date-time:: Tuesday 16th  April, 2019  at 15.00
location:: UCD  Science North 125
endevent::
-- 
Dr Hermann Render
University College Dublin
School of Mathematics and Statistics
Dublin, Ireland

--000000000000085e4b0585b6f470
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noemail::
title:: UCD=C2=A0COLLOQUIUM=C2=A0SERIES
content:: =C2=A0Professor=
=C2=A0Polona Oblak=C2=A0=C2=A0(University Ljubljana, Slovenia) =C2=A0will speak on
::=
=C2=A0=C2=A0On the multiplicities of eigenvalues of symmetric matrices whos=
e pattern is constrained by a graph=C2=A0=C2=A0
date-time:: Tuesday 16th=C2=A0=C2=A0April, 20=
19=C2=A0 at 15.00=C2=A0
location:: UCD =C2=A0Science North 125
endevent::
<=
/div>
-- 
Dr Hermann RenderUniversity College Dublin=C2=A0
Scho=
ol of Mathematics and Statistics
Dublin, Ireland



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From:         Hermann Render 
Subject: maths: UCD Colloquium Mathematics and Statistics on Tuesday, 16th April 15.00
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                *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 Polona Oblak

                      (University of Ljubljana, Slovenia)



*TITLE:   *On the multiplicities of eigenvalues of symmetric matrices whose
pattern is constrained by a graph



*TIME *: Tuesday 16th  April  2019 ,  15.00=E2=80=9415.50



*LOCATION *:   Room  N1.25 North Science  (O'Brien Centre), UCD





*COFFEE MEETING *:    Common Room, from 14.20=E2=80=9415.00





ABSTRACT :  The Inverse Eigenvalue Problem for a graph (IEPG) is a problem
of determining all possible lists of real numbers that can occur as the
lists of eigenvalues of symmetric matrices, whose pattern is constrained by
a given graph G. This question is, for general graphs, difficult to
answer.  In this talk we discuss related questions and introduce some
parameters that help us to better understand the Inverse Eigenvalue Problem
for a graph. Those include multiplicity lists of eigenvalues, and the
number of distinct eigenvalues. We will present some recent results and
open problems.



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

--000000000000dd3fae0585b7048c
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=C2=A0=


=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=A0 COLLOQUIUM=C2=A0=C2=A0SERIES=
=C2=A0 =
=C2=A0 =C2=A0
=C2=A0 =C2=A0

=C2=A0

SPEAKER:=C2=A0 =C2=A0Professor Polona Obl=
ak 

=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 (University of Ljubljana,
Slovenia)

=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=A0On the multiplicities of eigenvalues of symmetric matrices whose pattern
is constrained by a graph

=
=C2=A0


TIME=C2=A0:=C2=A0Tuesday 16^th=
=C2=A0
April=C2=A0 2019 ,=C2=A0 15.00=E2=80=9415.50 =C2=A0

=C2=A0

LOCATION=C2=A0:=C2=A0=C2=A0=C2=A0Room=C2=
=A0 N1.25
North Science =C2=A0(O'Brien Centre), UCD=C2=A0

=C2=A0

=C2=A0

COFFEE MEETING=C2=A0:=C2=A0=C2=A0=C2=A0=
=C2=A0Common Room, from 14.20=E2=80=9415.00=C2=A0 

=C2=A0

=C2=A0

ABSTRACT=C2=A0: =C2=A0The Inverse
Eigenvalue Problem for a graph (IEPG) is a problem of determining all possi=
ble
lists of real numbers that can occur as the lists of eigenvalues of symmetr=
ic
matrices, whose pattern is constrained by a given graph G. This question is=
,
for general graphs, difficult to answer.=C2=A0 In this talk we discuss rela=
ted
questions and introduce some parameters that help us to better understand t=
he
Inverse Eigenvalue Problem for a graph. Those include multiplicity lists of
eigenvalues, and the number of distinct eigenvalues. We will present some
recent results and open problems.

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

<=
/div>

--000000000000dd3fae0585b7048c--

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Date:         Fri, 5 Apr 2019 16:48:36 +0100
Reply-To:     Marina Krstic Marinkovic 
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From:         Marina Krstic Marinkovic 
Subject: maths: Trinity College C. A. M. S. seminar, 8 April -- note unusual day/location
Comments: cc: Jelena Jovicevic 
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Monday, 8 April 2019, 4:00 pm  [NOTE UNUSUAL DAY: THIS SEMINAR IS ON MONDAY=
]

Joly Lecture Theatre

Hamilton Building
Trinity College Dublin

Speaker: Jelena Jovicevic (CERN)
Title: =E2=80=9CRevealing the nature of the largest Higgs Yukawa coupling"

Abstract: After the discovery of the Higgs boson, the last missing piece in
the Standard Model (SM) of particle physics, the main focus of the ATLAS
and CMS experiments at the CERN=E2=80=99s Large Hadron Collider, was the
measurement of its properties and search for signals of physics phenomena
beyond the SM. One of the most interesting properties of the Higgs boson is
its Yukawa coupling to the top quark, as it is the largest Yukawa coupling
in the theory and any deviation from the SM prediction can indicate the
existence of new physics phenomena. This coupling can be directly probed
through the associated production of the Higgs boson together with the top
quark-antiquark pair. The latest measurement of this process using the data
from the proton-proton collisions at centre of mass energy of 13 TeV will
be presented in this talk. The analysis exploits several Higgs boson
decays, along with the different top quark decay modes. These results
provide experimental observation for the production process of the Higgs
boson together with the top quark-antiquark pair.

--=20
Marina Krstic Marinkovic                                  Tel(mobile)
+353 83882 1110
Hitachi Assistant Prof.                                      Tel(office)
  +353 1 896 4598
Trinity College, Dublin 2, Ireland                      Fax +353-1-896 2282
Lloyd Building, Room 244                                e-mail
mmarina maths.tcd.ie

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Monday, 8 April 2019, 4:00 pm =C2=A0[NOTE=C2=A0UNUSUAL=C2=A0DAY: THIS SEMINAR IS ON MONDAY]
<=
/div>
Joly Lecture Theatre
Hamilton Building<=
br>Trinity College Dublin

Speaker: Jelena Jovicevic=
 (CERN)Title: =E2=80=9CRevealing the nature of the largest Higgs Yukaw=
a coupling"

Abstract: After the discovery of =
the Higgs boson, the last missing piece in the Standard Model (SM) of parti=
cle physics, the main focus of the ATLAS and CMS experiments at the CERN=E2=
=80=99s Large Hadron Collider, was the measurement of its properties and se=
arch for signals of physics phenomena beyond the SM. One of the most intere=
sting properties of the Higgs boson is its Yukawa coupling to the top quark=
, as it is the largest Yukawa coupling in the theory and any deviation from=
 the SM prediction can indicate the existence of new physics phenomena. Thi=
s coupling can be directly probed through the associated production of the =
Higgs boson together with the top quark-antiquark pair. The latest measurem=
ent of this process using the data from the proton-proton collisions at cen=
tre of mass energy of 13 TeV will be presented in this talk. The analysis e=
xploits several Higgs boson decays, along with the different top quark deca=
y modes. These results provide experimental observation for the production =
process of the Higgs boson together with the top quark-antiquark pair.

-- 
Marina Krstic Marink=
ovic =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Tel(mobile) =C2=A0 +353 838=
82 1110
Hitachi Assistant Prof.=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 Tel(office) =C2=A0 =C2=A0 +353 1 896 4598
Trinity Coll=
ege, Dublin 2, Ireland =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0Fax +353-1-896 2282
Lloyd Building, Room 244 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0e-mail mmarina maths.tcd.ie

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From owner-mathdep LISTSERV.HEANET.IE  Fri Apr  5 18:06:35 2019
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Date:         Fri, 5 Apr 2019 17:06:25 +0000
Reply-To:     Ciaran Mac an Bhaird 
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From:         Ciaran Mac an Bhaird 
Subject: Maths: History of Mathematics Conference at Maynooth: Registration and call for submissions
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Dear all,


Maynooth University will host a two day conference on the History of Mathem=
atics on the 1st and 2nd of August. It is being held jointly under the ausp=
ices of Irish History of Mathematics (IHoM) and the British Society for the=
 History of Mathematics.


Day one will feature invited speakers on specific texts and topics from the=
 Russell Library collection. A list of confirmed speakers and texts being c=
onsidered are available on the conference webpage.


Day two will allow for a mix of longer and shorter talks, similar to previo=
us IHoM conferences.


Conference registration and the call for the submission of proposed titles =
and abstracts for day two are now open. Titles and abstracts of no more tha=
n 200 words should be submitted by the 10th of May, and conference registra=
tion closes on the 12th of July.


For those interested in booking accommodation, some reduced rates are avail=
able and can be booked now.


The conference webpage https://www.maynoothuniversity.ie/mathematics-and-st=
atistics/historymathsconf2019 has full details.


Regards,

Dr Ciar=E1n Mac an Bhaird (Maynooth University) and Dr Philip Beeley (Unive=
rsity of Oxford)


title:: History of Mathematics Conference
content:: Invited talks on Specific texts and IHoM5
::  Maynooth University
::  Registration and call for submissions
date-time:: August 1-2, 2019.
location:: Maynooth University, Kildare, Ireland
endevent::



Dr. Ciar=E1n Mac an Bhaird


Lecturer and MSC Director


Department of Mathematics and Statistics


Maynooth University


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


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


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Dear all,








Mayno=
oth University will host a two day conference
 on the History of Mathematics on =
the 1st and 2nd of August. It is being held
 jointly under the auspices of Irish History of Mathematics (IHoM=
) and the British Society for the History
 of Mathematics.





Day one will feature invited speakers on specific texts and =
topics from the Russell Library collection. A list of confirmed speakers an=
d texts being considered are available
 on the conference webpage. 







Day two will allow for a mix of longer and shorter talks, si=
milar to previous IHoM conferences.







Conference registration and the call
 for the submission of proposed titles and abstracts for day two are now op=
en. Titles and abstracts of no more than 200 word=
s should be submitted by the 10th
 of May, and conference registration closes on the 12th of July. 





For those interested in booking =
accommodation, some reduced rates are available and can be booked now.=
 







The conference webpage https://www.maynoothuniversity.ie/mathemat=
ics-and-statistics/historymathsconf2019&nb=
sp;has
 full details.




Regards,






Dr=
 Ciar=E1n Mac an Bhaird (Maynooth University) and Dr Philip Beeley (Univers=
ity of Oxford)



title:: History
 of Mathematics Co=
nference

content::
 Invited talks on Specific texts and IHoM5

::
  Maynooth University 

::&nbs=
p; Registration
 and call for su=
bmissions 

date-time::
 August 1-2, 2019.

location::
 Maynooth University, Kildare, Ireland

endevent::













Dr. Ciar=E1n Mac an Bhair=
d



Lecturer and MSC Director=




Department of Mathematics=
 and Statistics



Maynooth University



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





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










--_000_VI1PR02MB4702D5A9581FD5B539902CB98C510VI1PR02MB4702eurp_--

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Subject: UCD Applied & Computational Mathematics Seminar, April 8th at 1pm
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Dear Colleagues,

The next seminar in the UCD Applied and Computational Maths Seminar Series <
http://maths.ucd.ie/ACMSeminars/> will take place next Monday, 8th April at
1pm.

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

All are welcome. Details of the seminar follows.

========================================
UCD Applied & Computational Mathematics Seminar
========================================

*Speaker:* Abraham Harte (Dublin City University)
*Time:* Monday, 8th April 2019 at 1pm
*Location: *1.25 SCN, UCD O'Brien Centre for Science (North)
*Title:* Does geometric optics depend on geometry?

*Abstract:*
An immediate answer to the question in the title might be that of course
geometric optics depends on geometry; it's right there in the name!
However, the point of this talk will be to explain that while geometric
optics does depend on geometry, it does so only slightly. This can be
important because certain astronomical observations attempt to infer the
geometry of spacetime (and its matter content) using the properties of
electromagnetic or gravitational waves which pass through it. Doing so
naturally leads to the question of whether or not such inferences are
unique: If a particular field is known to be compatible with a particular
background metric, is it compatible with other metrics as well? I will
explain that in fact, the number of possibilities is enormous. This is
particularly true in the geometric optics approximation, where, for many
observables, the class of allowed metrics involves seven free functions.
Some of these functions may be identified with conformal and Kerr-Schild
transformations, but there is much more besides. Going beyond geometric
optics can provide a somewhat more discerning picture of the underlying
geometry, but some observables remain invariant with respect to large
classes of metric transformations.

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

Best wishes,
Barry Wardell

title:: UCD ACM Seminar
date-time:: Monday, 8th April 2019 at 1pm
location:: 1.25 SCN, UCD O'Brien Centre for Science (North)
content:: Abraham Harte (Dublin City University) will speak on
:: Does geometric optics depend on geometry?
endevent::

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Dear Colleagues,
<=
div dir=3D"ltr">
The next=C2=A0seminar=C2=A0in the UCD=C2=A0Applied=C2=A0and Computational Maths=C2=A0Seminar=C2=A0Series <http://maths.ucd.ie/ACMSemi=
nars/> will take place next Monday, 8th April at 1pm.

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

All are welcom=
e. Details of the=C2=A0seminar=C2=A0follows.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
UCD=C2=A0Applied=C2=A0&=C2=A0Computati=
onal=C2=A0Mathematics=C2=A0Seminar
=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Speaker:=C2=A0Abraham Harte=C2=A0(Dublin City University)
Time:=C2=
=A0Monday, 8th April 2019 at 1pm
1.25 SCN, UCD O'Brien C=
entre for Science (North)
Title=
:=C2=A0Does ge=
ometric optics depend on geometry?

Abstract:
An immediate answer to the question in the title mig=
ht be that of course geometric optics depends on geometry; it's right t=
here in the name! However, the point of this talk will be to explain that w=
hile geometric optics does depend on geometry, it does so only slightly. Th=
is can be important because certain astronomical observations attempt to in=
fer the geometry of spacetime (and its matter content) using the properties=
 of electromagnetic or gravitational waves which pass through it. Doing so =
naturally leads to the question of whether or not such inferences are uniqu=
e: If a particular field is known to be compatible with a particular backgr=
ound metric, is it compatible with other metrics as well? I will explain th=
at in fact, th
Who can participate within the study group?

What type of problem do we have = to solve? Please see below a list of some problems at previous ESGIs<= /span>

What are the benefits of taking part?<= /span>=

Is there a charge to take part?<= /span>=

How does it work?
