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Upcoming conferences & activities

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Conference on "Enumerative Arithmetic and the Cohen–Lenstra Heuristics", June 3 - 7, 2019

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Alex Bartel & Efthymios Sofos
Mon, 2019-06-03 10:00 - Fri, 2019-06-07 16:00
MPIM Lecture Hall


Conference on "Enumerative Arithmetic and the Cohen–Lenstra Heuristics", June 3 - 7, 2019

The purpose of the workshop is to survey recent progress and promising future research directions on statistical properties of class groups of number fields, of Selmer groups of elliptic curves, and related topics. The conference will feature a mixture of overview talks and more specialised research talks, as well as contributed talks by early career researchers. There will also be ample time for informal discussions and collaborations.


Alex Bartel (Glasgow University)
Efthymios Sofos (MPIM Bonn)

Selected invited speakers:

Brandon Alberts (University of Connecticut)
Jordan Ellenberg* (University of Wisconsin-Madison)
Joseph Gunther (Université Paris-Sud (Paris 11/Orsay))
Jack Klys (University  of Calgary)
Peter Koymans (University of Leiden)
Hendrik Lenstra (University of Leiden)
Melanie Matchett Wood (University of Wisconsin-Madison)
Djordjo Milovic (University College London (UCL))
Adam Morgan (Glasgow University)
Carlo Pagano (MPIM Bonn)
Beth Romano (University of Cambridge)
Peter Stevenhagen (University of Leiden)
Arul Shankar (University of Toronto)
Alexander Smith (Harvard University)
Ila Varma (UC San Diego)
Jiuya Wang (Duke University)

* to be confirmed

Special colloquium for Prof. Don Zagier

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Stavros Garoufalidis and Pieter Moree
Wed, 2019-06-26 13:45 - 18:00
MPIM Lecture Hall

Special colloquium on the occasion of the retirement of Prof. Don Zagier as MPIM director at the end of June 2019

Arbeitstagung 2019 on Geometry

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W. Ballmann, C. Blohmann, U. Hamenstädt, and M. Kapovich
Mon, 2019-07-08 08:00 - Fri, 2019-07-12 20:00
MPIM Lecture Hall

Arbeitstagung 2019 on Geometry, July 8 - 12, 2019


W. Ballmann, U. Hamenstädt, and M. Kapovich

Local Organizers

W. Ballmann and C. Blohmann


de Cornulier, Yves (CNRS and Institut Camille Jordan, Université Lyon 1)
Di Nezza, Eleonora (La Sorbonne Université, Institut de Mathématiques de Jussieu)
Fisher, David (Indiana University - Bloomington)
Gelander, Tsachik (The Weizmann Institute of Science)
Hein, Hans-Joachim (Fordham University)
Kleiner, Bruce (New York University)
Markovic, Vladimir (Caltech)
Song, Antoine (Princeton University)

Minicourses by

Gelander, Tsachik (The Weizmann Institute of Science)
Kleiner, Bruce (New York University)

In addition to the scheduled talks, 6 more lectures will be determined in the traditional Arbeitstagung way by open discussion during the meeting.

Conference on "Integrability, Geometry and Moduli", July 29 - August 2, 2019

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Gaëtan Borot, Olivia Dumitrescu, Steven Rayan, Don Zagier
Mon, 2019-07-29 10:00 - Fri, 2019-08-02 16:00
MPIM Lecture Hall


Conference on "Integrability, Geometry and Moduli" July 29 - August 2, 2019

This is a conference in honor of Motohico Mulase's 65th birthday. It will cover recent advances around the following themes

  • Quantization of moduli spaces, in particular the Hitchin moduli space of Higgs bundles
  • Gromov-Witten theory, Frobenius manifolds, integrable hierarchies, cohomological field theories
  • Geometry of quiver varieties, wall-crossing phenomena
  • Mirror symmetry, topological string theory, quantum invariants of 3-manifolds
  • Topological recursion, quantum curves, and application to geometry and enumerative problems (Hurwitz theory, random matrix theory, ribbon graphs)

Connections between these fields are apparent from the physics perspective and research is trying to make rigorous sense of these relationships. Encouraging the exchanges between mathematicians and theoretical physicists will thus be an important dimension of the conference. More details available soon.


Gaëtan Borot (MPIM Bonn)
Olivia Dumitrescu (Central Michigan University)
Steven Rayan (University of Saskatchewan)
Don Zagier (MPIM Bonn)

Provisory list of speakers:

Philip Boalch (Université Paris-Sud, Orsay)
Ron Donagi (University of Pennsylvania)
Bertrand Eynard (IPHT CEA Saclay)
Laura Fredrickson (Stanford)
Kenji Fukaya (Stony Brook)
Stavros Garoufalidis (MPIM Bonn & Georgia Institute of Technology)
Tamas Hausel (IST Austria)
Hiroshi Iritani (Kyoto University)
Albrecht Klemm (Bonn Universität)
Maxim Kontsevich (IHES)
Melissa Liu (Columbia University)
Yuri Manin (MPIM Bonn)
Hannah Markwig (Tübingen Universität)
Takuro Mochizuki (RIMS Kyoto)
Hiraku Nakajima (IPMU Tokyo)
Paul Norbury (Melbourne University)
Tony Pantev (University of Pennsylvania)
Yan Soibelman (Kansas State University)
Katrin Wendland (Freiburg University)

Workshop on 4-manifolds, September 16 - 20, 2019

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David Gay, Jeffrey Meier, Arunima Ray, and Peter Teichner
Mon, 2019-09-16 10:00 - Fri, 2019-09-20 16:00
MPIM Lecture Hall

Workshop on 4-manifolds, September 16 - 20, 2019



David Gay (University of Georgia/MPIM Bonn)
Jeffrey Meier (University of Georgia)
Arunima Ray (MPIM Bonn)
Peter Teichner (MPIM Bonn)

Confirmed Speakers:

David Gabai (Princeton)
Robert Gompf (UT Austin)
Sergei Gukov (Caltech)
András Juhász (Oxford)
Du Pei (Caltech)
Lisa Piccirillo (UT Austin)
Juanita Pinzón-Caicedo (North Carolina State University/MPIM Bonn)
Mark Powell (Durham)
Rob Schneiderman (CUNY)
Hannah Schwartz (Bryn Mawr/MPIM Bonn)
Laura Starkston (UC Davis)
András Stipsicz (Alfred Renyi)
Alex Zupan (University of Nebraska Lincoln)

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