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

Upcoming conferences & activities

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Conference on "Interactions between higher algebra, manifolds and functor calculus"

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Organiser(s): 
Thomas Blom, Christian Kremer, Connor Malin, Peter Teichner
Date: 
Mon, 18/05/2026 - 08:30 - Fri, 22/05/2026 - 12:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference on "Interactions between higher algebra, manifolds and functor calculus"

Conference on "Interactions between higher algebra, manifolds and functor calculus", May 18-22, 2026

Functor calculus serves as a systematic method for approximating functors by their “polynomial” counterparts. These approximations often allow for interesting new computations in homotopy theory and geometry. For example, in the setting of manifolds, the work of Goodwillie–Klein–Weiss enables one to extend classical computations of spaces of embeddings beyond traditional stable ranges.

ChaBONNty conference

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Organiser(s): 
Stevan Gajovic, Martin Lüdtke, Oana Padurariu
Date: 
Mon, 29/06/2026 - 09:00 - Fri, 03/07/2026 - 12:30
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of ChaBONNty conference

ChaBONNty conference, June 29 - July 3, 2026

The endeavor of provably computing rational points on curves stretches back millennia. In the last years the method of Chabauty and Coleman has seen major breakthroughs. The method itself has remarkable applications and currently there are several exciting generalisations being actively developed and applied. In addition to invited talks by established names in the field and an open problem session, we will offer speed talks to young researchers to advertise their work.

Upcoming Talks

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

Working group on odd Khovanov homology

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Organiser(s): 
Léo Schelstraete
Date: 
Wed, 15/10/2025 - 14:00 - Wed, 04/02/2026 - 16:00
Location: 
MPIM Seminar Room
Details: 
Program and Abstracts of Working group on odd Khovanov homology

Six Functor Formalisms Seminar

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Organiser(s): 
Qi Zhu
Date: 
Thu, 16/10/2025 - 10:00 - Thu, 05/02/2026 - 12:00
Location: 
MPIM Seminar Room
Details: 
Program and Abstracts of Six Functor Formalisms Seminar

IMPRS seminar on various topics: Topological Hochschild homology and topological cyclic homology

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Organiser(s): 
Christian Kaiser
Date: 
Wed, 14/01/2026 - 10:15 - Fri, 29/05/2026 - 11:45
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of IMPRS seminar on various topics: Topological Hochschild homology and topological cyclic homology

Definition of norm maps for finite groups and Tate construction

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Speaker: 
Oleksandr Kharchenko
Affiliation: 
Universität Bonn/MPIM
Date: 
Fri, 16/01/2026 - 10:15 - 11:45
Location: 
MPIM Lecture Hall
Parent event: 
IMPRS seminar on various topics: Topological Hochschild homology and topological cyclic homology

Vorlesung "Geometry and higher category theory"

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Speaker: 
Peter Scholze
Affiliation: 
MPIM
Date: 
Fri, 16/01/2026 - 12:00 - 13:30
Location: 
MPIM Lecture Hall
Parent event: 
Vorlesung "Geometry and higher category theory"

Realizations of Berkovich Motives via 2-Categories

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Speaker: 
Ko Aoki
Affiliation: 
Universität Bonn/MPIM
Date: 
Fri, 16/01/2026 - 14:05 - 16:00
Location: 
MPIM Lecture Hall
Parent event: 
Oberseminar Arithmetic Geometry and Representation Theory

 

 

Non-positive curvature of fundamental groups and (coarse) topology of manifolds

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Speaker: 
Cornelia Druțu
Affiliation: 
University of Oxford/MPIM
Date: 
Mon, 19/01/2026 - 14:00 - 15:00
Location: 
MPIM Lecture Hall
Parent event: 
MPIM Topology Seminar

One way of studying compact manifolds is either by endowing them with a geometry, following the approach used by Thurston for
3-manifolds, or by endowing their fundamental group with a (large scale) geometry. I will explain one particular way of defining
nonpositive curvature for such a fundamental group, using bicombings (an idea introduced by Busemann and pursued by Thurston)
and the impact that this property has on the (coarse) topology of the manifold itself and of its universal cover.

The Unterseminar

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Organiser(s): 
Joseph Baine, Wyatt Reeves
Date: 
Mon, 19/01/2026 - 15:00 - Mon, 27/04/2026 - 17:00
Location: 
MPIM Seminar Room
Details: 
Program and Abstracts of The Unterseminar

Introduction to the Geometric Langlands Equivalence

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Speaker: 
Wyatt Reeves
Affiliation: 
MPIM
Date: 
Mon, 19/01/2026 - 15:00 - 17:00
Location: 
MPIM Seminar Room
Parent event: 
The Unterseminar

The geometric Langlands equivalence is roughly a nonabelian geometric categorical Fourier transform. In this introductory talk we will start from the theory of Fourier series,
and through a sequence of generalizations arrive at the statement of geometric Langlands equivalence.

 

Complexes of stable ∞-categories and higher Segal conditions

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Speaker: 
Fernando Abellán
Affiliation: 
MPIM
Date: 
Tue, 20/01/2026 - 11:00 - 12:30
Location: 
MPIM Seminar Room
Parent event: 
Abstract Homotopy Theory Seminar

There exists an equivalence of (∞,2)-categories between the (∞,2)-category of complexes of stable ∞-categories and that of 2-simplicial stable ∞-categories, established by Dyckerhoff, which categorifies the classical Dold–Kan correspondence. It is well known that every simplicial abelian group is in particular a Kan complex, i.e. it admits certain horn fillers.

Mathematical events in Bonn

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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
Details: 
Program and Abstracts of Friedrich Hirzebruch Lecture

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, 31/01/2013 - 15:00 - Thu, 31/12/2026 - 16:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of MPI-Oberseminar

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.

Promotionskolloquium

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Details: 
Program and Abstracts of Promotionskolloquium

IMPRS Minicourse

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Organiser(s): 
C. Kaiser
Details: 
Program and Abstracts of IMPRS Minicourse

Extra talk

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Details: 
Program and Abstracts of Extra talk

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

Arbeitsgemeinschaft Arithmetische Geometrie

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Organiser(s): 
Peter Scholze
Details: 
Program and Abstracts of Arbeitsgemeinschaft Arithmetische Geometrie

Seminar Algebraic Geometry (SAG)

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Organiser(s): 
D. Huybrechts
Date: 
Thu, 06/01/2011 - 10:30 - Thu, 31/12/2026 - 12:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Seminar Algebraic Geometry (SAG)

Higher Differential Geometry Seminar

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Organiser(s): 
Christian Blohmann
Date: 
Wed, 18/04/2012 - 10:30 - Thu, 31/12/2026 - 12:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Higher Differential Geometry Seminar

Number theory lunch seminar

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Organiser(s): 
P. Moree
Date: 
Tue, 01/01/2013 (All day) - Fri, 30/06/2028 (All day)
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Number theory lunch seminar

The number theory lunch seminar takes place every Wednesday after a joint lunch of MPIM's number theorists...

MPIM Topology Seminar

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Organiser(s): 
Prof. Peter Teichner, Tobias Barthel, Viktoriya Ozornova
Date: 
Mon, 05/12/2016 - 15:00 - Tue, 14/12/2027 - 16:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of MPIM Topology Seminar

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.

MPI-Oberseminar

Posted in
Organiser(s): 
C. Kaiser
Date: 
Thu, 31/01/2013 - 15:00 - Thu, 31/12/2026 - 16:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of MPI-Oberseminar

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
Details: 
Program and Abstracts of Friedrich Hirzebruch Lecture

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.

ChaBONNty conference

Posted in
Organiser(s): 
Stevan Gajovic, Martin Lüdtke, Oana Padurariu
Date: 
Mon, 29/06/2026 - 09:00 - Fri, 03/07/2026 - 12:30
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of ChaBONNty conference

ChaBONNty conference, June 29 - July 3, 2026

The endeavor of provably computing rational points on curves stretches back millennia. In the last years the method of Chabauty and Coleman has seen major breakthroughs. The method itself has remarkable applications and currently there are several exciting generalisations being actively developed and applied. In addition to invited talks by established names in the field and an open problem session, we will offer speed talks to young researchers to advertise their work.

Conference on "Interactions between higher algebra, manifolds and functor calculus"

Posted in
Organiser(s): 
Thomas Blom, Christian Kremer, Connor Malin, Peter Teichner
Date: 
Mon, 18/05/2026 - 08:30 - Fri, 22/05/2026 - 12:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference on "Interactions between higher algebra, manifolds and functor calculus"

Conference on "Interactions between higher algebra, manifolds and functor calculus", May 18-22, 2026

Functor calculus serves as a systematic method for approximating functors by their “polynomial” counterparts. These approximations often allow for interesting new computations in homotopy theory and geometry. For example, in the setting of manifolds, the work of Goodwillie–Klein–Weiss enables one to extend classical computations of spaces of embeddings beyond traditional stable ranges.

tba

Posted in
Speaker: 
Gerard van der Geer
Affiliation: 
University of Amsterdam
Date: 
Wed, 04/03/2026 - 14:30 - 15:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

tba

Posted in
Speaker: 
Kina Katsumi
Affiliation: 
Kyushu University
Date: 
Wed, 25/02/2026 - 14:30 - 15:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

tba

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Speaker: 
Alan Filipin
Affiliation: 
MPIM
Date: 
Wed, 18/02/2026 - 14:30 - 15:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

tba

Posted in
Speaker: 
Youness Lamzouri
Affiliation: 
Universite de Lorraine
Date: 
Wed, 11/02/2026 - 14:30 - 15:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

tba

Posted in
Speaker: 
Lajos Hajdu
Affiliation: 
University of Debrecen
Date: 
Wed, 04/02/2026 - 14:30 - 15:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

tba

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Speaker: 
Aritram Dhar
Affiliation: 
University of Florida
Date: 
Tue, 03/02/2026 - 14:30 - 15:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar
short format
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