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Events

Conferences, seminars, talks and other events at the MPI for Mathematics

Upcoming conferences & activities

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Special colloquium for Prof. Don Zagier

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Organiser(s): 
Stavros Garoufalidis and Pieter Moree
Date: 
Wed, 2019-06-26 13:45 - 18:00
Location: 
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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Organiser(s): 
W. Ballmann, C. Blohmann, U. Hamenstädt, and M. Kapovich
Date: 
Mon, 2019-07-08 08:00 - Fri, 2019-07-12 20:00
Location: 
MPIM Lecture Hall

Arbeitstagung 2019 on Geometry, July 8 - 12, 2019

Organizers

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

Local Organizers

W. Ballmann and C. Blohmann

Speakers 

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.

SageMath presentation afternoon (Wednesday July 24th)

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Organiser(s): 
Vincent Delecroix
Affiliation: 
MPIM Bonn and Université de Bordeaux
Date: 
Wed, 2019-07-24 13:00 - 18:00
Location: 
MPIM Lecture Hall

 

SageMath (http://www.sagemath.org/) is an open source software for mathematical computations. It gathers hundreds of specialized libraries and softwares in a unified Python interface.

On the afternoon of July 24th, there will be a presentation of SageMath at MPI Bonn (1:00 - 4:00). After tea time (ie from 5pm) several SageMath experts will be there on the fourth floor in case you need help for installing SageMath on your computer or need advice on how to carry a specific computation.

This event is part of a week long workshop taking place at the Computer Science department of Bonn University.

More information on can be found at https://wiki.sagemath.org/days100

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

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Organiser(s): 
Gaëtan Borot, Olivia Dumitrescu, Steven Rayan, Don Zagier
Date: 
Mon, 2019-07-29 10:00 - Fri, 2019-08-02 16:00
Location: 
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.

Organizers

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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Organiser(s): 
David Gay, Jeffrey Meier, Arunima Ray, and Peter Teichner
Date: 
Mon, 2019-09-16 10:00 - Fri, 2019-09-20 16:00
Location: 
MPIM Lecture Hall

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

 

Organizers

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)

Upcoming Talks

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Abstracts of upcoming talks at the MPIM. For an overview see also the calendar.

Recent developments in Quantum Topology -- Cancelled --

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We will review the basics of quantum topology such as the colored Jones polynomial of a knot, its standard conjectures relating to asymptotics, arithmeticity and modularity, as well as the recent quantum hyperbolic invariants of Kashaev et al, their state-integrals and their structural properties. The course is aimed to be accessible by graduate students and young researchers.

"What is...?" seminar

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Organiser(s): 
Charles Fougeron, Diego Izquierdo
Date: 
Fri, 2018-10-26 13:00 - Fri, 2019-08-30 16:30
Location: 
MPIM Lecture Hall

Recent developments in Quantum Topology

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Speaker: 
Stavros Garoufalidis
Affiliation: 
MPIM
Date: 
Tue, 2019-06-25 12:30 - 14:00
Location: 
MPIM Lecture Hall

We will review the basics of quantum topology such as the colored Jones polynomial of a knot, its standard conjectures relating to asymptotics, arithmeticity and modularity, as well as the recent quantum hyperbolic invariants of Kashaev et al, their state-integrals and their structural properties. The course is aimed to be accessible by graduate students and young researchers.

On Gromov-Witten invariants of P^1

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Speaker: 
Gaetan Borot
Affiliation: 
MPIM
Date: 
Tue, 2019-06-25 14:00 - 15:00
Location: 
MPIM Lecture Hall

Okounkov and Pandharipande derived Virasoro constraints for Gromov-Witten theory of P^1. Later and independently, using Teleman reconstruction theorem and its correspondence with topological recursion, Dunin-Barkowski et al. proved that the stationary sector is encoded in the meromorphic forms w_{g,n} computed by the topological recursion for the spectral curve x(z) = z + 1/z, y(z) = \ln z. This statement is equivalent to local Virasoro constraints.

Vertex Operator Algebras and Modular Forms

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Speaker: 
Don Zagier
Affiliation: 
MPIM
Date: 
Tue, 2019-06-25 16:30 - 18:00
Location: 
MPIM Lecture Hall

Time: Tuesdays, 4.30 - 6 pm
Place: MPIM Lecture Hall, Vivatsgasse 7
First lecture: on April 2, 2019, end on July 2

Moment maps, their quantization and reduction

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Speaker: 
Jonas Schnitzer
Affiliation: 
Salerno
Date: 
Wed, 2019-06-26 10:30 - 12:00
Location: 
MPIM Lecture Hall

Given a Lie group acting on a Poisson manifold and a moment map, Marsden-Weinstein reduction allows us to reduce the manifold and the Poisson structure. This reduction procedure extends to invariant star products and quantum moment maps via the BRST approach. On the other hand, invariant Poisson structures (resp. star products) together with corresponding moment maps (resp. quantum moment maps) can be described as (curved) Maurer Cartan elements of certain DGLA's.

Modular forms and optimization in the Euclidean space

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Speaker: 
Maryna Viazovska
Affiliation: 
EPFL Lausanne
Date: 
Wed, 2019-06-26 13:45 - 14:45
Location: 
MPIM Lecture Hall

Arithmetic support and monodromy

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Speaker: 
Maxim Kontsevich
Affiliation: 
IHES
Date: 
Wed, 2019-06-26 15:00 - 16:00
Location: 
MPIM Lecture Hall

In my talk on Arbeitstagung 2017 I introduced a strange series with rational coefficients related to p-curvatures of certain family of algebraic linear differential equations (Heun equations). This series has zero radius of convergence p-adically for any prime p, which seems to be a new phenomenon, and it is extremely hard to calculate (e.g. using first 40000 primes one can get only first 250 coefficients of the series).

Single-valued integration

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Speaker: 
Francis Brown
Affiliation: 
All Souls College, Oxford
Date: 
Wed, 2019-06-26 17:00 - 18:00
Location: 
MPIM Lecture Hall

This talk was originally inspired by Zagier's construction of single-valued polylogarithms and regulators in the late 80's. 

In short, single-valued functions are ubiquitous in mathematics and physics, since well-defined problems have well-defined answers. On the other hand, the solution to such a problem is often given by an integral, which is usually a multi-valued function of its parameters.  The reason is that integration is a pairing between differential forms and chains of integration, and the latter are ambiguously defined.

Hochschild cohomology and deformation quantization of affine toric varieties

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Speaker: 
Matej Filip
Affiliation: 
Johannes Gutenberg-Universität Mainz
Date: 
Thu, 2019-06-27 09:15 - 10:15
Location: 
MPIM Lecture Hall
Parent event: 
Extra talk

For an affine toric variety we give a convex geometric description of the Hodge decomposition of its Hochschild cohomology. Moreover, we show that every Poisson structure on a possibly singular affine toric variety can be quantized in the sense of deformation quantization.

Mathematical events in Bonn

Bonn Mathematics Calendar

All mathematical events in Bonn are listed in the Bonn Mathematics Calendar. For directions see the map.

University Calendar

All lectures and courses at Bonn University can be found in the university calendar.

 

Recurring seminars, series and courses

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Detailed list of recurring seminars, series of talks, and courses or lectures comprising multiple talks. For an overview see also the calendar.

Friedrich Hirzebruch Lecture

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Location: 
University Club Bonn

The annual Friedrich Hirzebruch Lecture is a series of lectures started in 2007 on the occasion of the 80th birthday of Prof. Friedrich Hirzebruch. The lectures address a general audience and aim at illustrating the relation between mathematics and art, society and other fields.

MPI-Oberseminar

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Organiser(s): 
C. Kaiser
Date: 
Thu, 2013-01-31 15:00 - Thu, 2026-12-31 16:00
Location: 
MPIM Lecture Hall

The Oberseminar is a very long running seminar at MPI (‘Ober‘ standing for 'upper'). Its idea is that the guests of the MPI speak in this seminar (hopefully early in their stay) and get the chance to explain their work to the other guests.

Topics in Topology

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Location: 
MPIM Lecture Hall

Promotionskolloquium

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IMPRS Minicourse

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Organiser(s): 
C. Kaiser

Representation theory learning seminar

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Organiser(s): 
Hankyung Ko, Emily Norton, Thorsten Heidersdorf

Extra talk

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This is a collection of extra talks that don't fit into the other series.

Seminar on Algebra, Geometry and Physics

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Organiser(s): 
Yuri Manin
Date: 
Fri, 2010-01-01 14:00 - Tue, 2024-12-31 15:00
Location: 
MPIM Lecture Hall

Seminar Algebraic Geometry (SAG)

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Organiser(s): 
D. Huybrechts
Date: 
Thu, 2011-01-06 10:30 - Thu, 2026-12-31 12:00
Location: 
MPIM Lecture Hall

Higher Differential Geometry Seminar

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Organiser(s): 
Christian Blohmann
Date: 
Wed, 2012-04-18 10:30 - Fri, 2021-04-30 12:00
Location: 
MPIM Lecture Hall

Archived Events

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To narrow the list of events displayed please select year and event type or fill the search fields, then press Apply.

Conference on "Elementare und Analytische Zahlentheorie (ELAZ)", September 3 - 7, 2018

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Date: 
Mon, 2018-09-03 08:30 - Fri, 2018-09-07 18:00
Location: 
MPIM Lecture Hall

 

Conference on "Elementare und Analytische Zahlentheorie (ELAZ)"

September 3 - 7,  2018

Organizers

Kathrin Bringmann (Universität zu Köln)
Stephan Ehlen (Universität zu Köln)
Pieter Moree (MPIM Bonn)

MPI-Oberseminar

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Organiser(s): 
C. Kaiser
Date: 
Thu, 2013-01-31 15:00 - Thu, 2026-12-31 16:00
Location: 
MPIM Lecture Hall

The Oberseminar is a very long running seminar at MPI (‘Ober‘ standing for 'upper'). Its idea is that the guests of the MPI speak in this seminar (hopefully early in their stay) and get the chance to explain their work to the other guests.

Friedrich Hirzebruch Lecture

Posted in
Location: 
University Club Bonn

The annual Friedrich Hirzebruch Lecture is a series of lectures started in 2007 on the occasion of the 80th birthday of Prof. Friedrich Hirzebruch. The lectures address a general audience and aim at illustrating the relation between mathematics and art, society and other fields.

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

Posted in
Organiser(s): 
David Gay, Jeffrey Meier, Arunima Ray, and Peter Teichner
Date: 
Mon, 2019-09-16 10:00 - Fri, 2019-09-20 16:00
Location: 
MPIM Lecture Hall

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

 

Organizers

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)

tba

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Speaker: 
Rafael Herrera
Affiliation: 
CIMAT, Mexico
Date: 
Wed, 2019-08-07 10:30 - 12:00
Location: 
MPIM Lecture Hall

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

Posted in
Organiser(s): 
Gaëtan Borot, Olivia Dumitrescu, Steven Rayan, Don Zagier
Date: 
Mon, 2019-07-29 10:00 - Fri, 2019-08-02 16:00
Location: 
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.

Organizers

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)

Informal discussions, install party, etc

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Speaker: 
Vincent Delecroix
Affiliation: 
MPIM Bonn and Université de Bordeaux
Date: 
Wed, 2019-07-24 17:00 - 18:00
Location: 
MPIM Tea Room

Tea break

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Date: 
Wed, 2019-07-24 16:00 - 17:00
Location: 
MPIM Tea Room

Some computations in algebraic geometry, dynamics and low dimensional topology

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Speaker: 
Vincent Delecroix
Affiliation: 
MPIM Bonn and Université de Bordeaux
Date: 
Wed, 2019-07-24 15:30 - 16:00
Location: 
MPIM Lecture Hall

DAHA approach to algebraic knots and links

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Speaker: 
Ivan Cherednik
Affiliation: 
(ETH-ITS/UNC at Chapel Hill)
Date: 
Wed, 2019-07-24 14:00 - 15:00
Location: 
MPIM Seminar Room
Parent event: 
Extra talk

DAHA generally provide refined invariants of colored iterated links, which generalize the
WRT-invariants and HOMFLY-PT polynomials. In the uncolored case and for iterated knots,
they are conjectured to coincide with the stable reduced Khovanov-Rozansky polynomials (the most
powerful numerical invariants we have). The "intrinsic" DAHA conjectures are mostly verified
at the moment; these properties are generally difficult to check topologically. The DAHA super-

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