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

Upcoming conferences & activities

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Conference on "Asymptotic Counting and L-Functions"

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Organiser(s): 
Stevan Gajovic, Oana Padurariu
Date: 
Mon, 05/05/2025 - 09:00 - Fri, 09/05/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference on "Asymptotic Counting and L-Functions"

Conference on "Asymptotic Counting and L-Functions", May 5 - 9, 2025

Many interesting arithmetic functions such as class numbers, Fourier coefficients of modular forms, have a rather varying behavior that is only partially understood. However, often it is possible to determine some (possibly weighted) average for them. The approach is often to associate an L-series to the arithmetic quantity of interest and study whether this has an analytic continuation, study the location of its zeros and poles.

Conference on "Quantum Topology"

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Organiser(s): 
Christian Blohmann (MPIM Bonn), Ingrid Irmer (SUSTech), Roland van der Veen (University of Groningen), Campbell Wheeler (IHES), Tao Yu (SUSTech)
Date: 
Mon, 12/05/2025 - 09:00 - Fri, 16/05/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference on "Quantum Topology"

"Hot Topics" Conference on "Quantum Topology", May 12 - 16, 2025

The discovery of polynomial invariants of knots by Jones sparked the study of quantum topology in the late 80s and 90s. Work over the last two decades has led to deeper understanding of the mathematical structures behind these invariants.

Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras"

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Organiser(s): 
Daniel Freed (Harvard University), Dennis Gaitsgory (MPIM Bonn), Owen Gwilliam (University of Massachusetts, Amherst), Anton Kapustin (Caltech), Catherine Meusburger (FAU Erlangen-Nürnberg)
Date: 
Mon, 30/06/2025 - 09:00 - Fri, 11/07/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras"

Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras", June 30 - July 11, 2025

Quantum Field Theory (QFT) and Quantum Statistical Mechanics are central to high energy physics and condensed matter physics; they also raise deep questions in mathematics.  The application ofoperator algebras to these areas of physics is well-known.

Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL)

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Organiser(s): 
Pranendu Darbar, Winston Heap, Oana Padurariu, Prahlad Sharma
Date: 
Mon, 21/07/2025 - 09:00 - Fri, 25/07/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL)

Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL), July 21-25, 2025

There has been an enormous amount of progress in the analytic theory of zeta and L-functions over the past decade. Our understanding in the classical theory of the value distribution of the Riemann zeta function has achieved new heights with spectacular breakthroughs on moments and extreme values (both local and global) leading to a better understanding of families of L-functions more generally.

Conference in Memory of Yuri Manin

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Organiser(s): 
Dennis Gaitsgory, Mikhail Kapranov, Ivan Penkov, Maxim Smirnov
Date: 
Mon, 11/08/2025 - 09:00 - Fri, 15/08/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference in Memory of Yuri Manin

Conference in Memory of Yuri Manin, August 11 - 15, 2025

Yuri I. Manin (February 16, 1937 - January 7, 2023) was an extraordinary figure in mathematics. Renowned for his creativity, Professor Manin's profound insights -- in diverse subjects ranging from algebraic geometry to mathematical physics and quantum computing -- helped shape modern mathematics. Professor Manin was Director of the Max Planck Institute for Mathematics in Bonn. In this week-long conference, the institute will honor his results and ideas and will attempt to trace some of their developments.

Upcoming Talks

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

Felix Klein Lecture / "Recent Progress on the theory of minimal surfaces"

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Speaker: 
André Neves
Affiliation: 
University of Chicago
Date: 
Thu, 03/04/2025 - 15:00 - 16:00
Location: 
MPIM Lecture Hall
Parent event: 
MPI-Oberseminar

Felix Klein Lecture jointly with the MPI-Oberseminar.

Further information: https://math-events.uni-bonn.de/event/260/

 

WIQI topology seminar - CANCELLED -

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Date: 
Fri, 04/04/2025 - 12:45 - 14:30
Location: 
MPIM Seminar Room

Seminar webpage: https://guests.mpim-bonn.mpg.de/bianchi/wiqi.html

PLeaSANT welcome talk: tba

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Speaker: 
N.N.
Date: 
Mon, 07/04/2025 - 16:30 - 17:30
Location: 
MPIM Lecture Hall
Parent event: 
PLeaSANT (Participative Learning Seminar on Any Number Theory)

Connecting essential triangulations

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Speaker: 
Tejas Kalelkar
Affiliation: 
Indian Institute of Science Education and Research/MPIM
Date: 
Tue, 08/04/2025 - 11:00 - 12:00
Location: 
MPIM Lecture Hall
Parent event: 
Low-dimensional topology seminar

Let M be a 3-dimensional compact manifold with non-empty boundary. There exists a collection of tetrahedra stuck in pairs along their faces such that deleting all their vertices gives a space that is homeomorphic to the interior of M. This is called a (ideal) triangulation of M. Amendola, Matveev and Piergallini have shown that any two such triangulations of M are connected by a sequence of triangulations, where each triangulation in the sequence is obtained from the previous one by a local combinatorial change, namely a 2-3 or 3-2 move.

May I have a dream? Numerical, of course...

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Speaker: 
Wadim Zudilin
Affiliation: 
Radboud University Nijmegen/MPIM
Date: 
Wed, 09/04/2025 - 14:30 - 15:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

Though the number $\pi$ is known to be irrational and transcendental, there are still a lot of open (and non-approachable at the moment) questions about its approximations by rational numbers. Where do such difficulties source from? What is exactly proving that a given (nice) number is irrational? How relevant is the structure of such concrete irrationality proofs? In my talk I will try to highlight these points and to explain why the "structure" is most important, in particular, when it comes to connection with more rational areas in mathematics.

Constructing modular forms geometrically

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Speaker: 
Gerard van der Geer
Affiliation: 
Amsterdam/MPIM
Date: 
Thu, 10/04/2025 - 10:30 - 12:00
Location: 
MPIM Lecture Hall
Parent event: 
Seminar Algebraic Geometry (SAG)

Modular forms live on moduli spaces of abelian varieties and curves as sections of vector bundles. We indicate
geometric ways of constructing such forms.

This is joint work with Cléry, Faber and Kouvidakis.

On the Homological Theory of Modules over Commutative Rings

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Speaker: 
Olgur Celikbas
Affiliation: 
West Virginia University, Morgantown/MPIM
Date: 
Thu, 10/04/2025 - 15:00 - 16:00
Location: 
MPIM Lecture Hall
Parent event: 
MPI-Oberseminar

This talk will be a partial survey of topics in homological commutative local algebra. In particular, I will discuss results on depth, homological dimensions, and torsion properties of tensor products and powers, as well as characterizations of Gorenstein and regular rings via (co)homology vanishing. I will also mention related conjectures and open problems in this area.

tba

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Speaker: 
Janina Bernardy
Affiliation: 
MPIM/Universität Bonn
Date: 
Fri, 11/04/2025 - 10:15 - 12:45
Location: 
MPIM Lecture Hall

tba

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Speaker: 
Neeti Gauniyal
Affiliation: 
MPIM
Date: 
Tue, 15/04/2025 - 11:00 - 12:00
Location: 
MPIM Lecture Hall
Parent event: 
Low-dimensional topology seminar

Twisted Milnor torsion for finite group actions

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Speaker: 
Pedram Hekmati
Affiliation: 
University of Auckland
Date: 
Wed, 16/04/2025 - 10:30 - 12:00
Location: 
MPIM Lecture Hall
Parent event: 
Higher Differential Geometry Seminar

The Milnor torsion is an invariant of unitary flat vector bundles on closed odd-dimensional manifolds. Its analytic counterpart was introduced by Ray and Singer and the equality of these torsions is the celebrated Cheeger-Müller theorem. In this talk, I will discuss how to extend the Milnor torsion to certain equivariant flat superconnections (or representations up to homotopy) for finite group actions and its relation to analytic torsion of the twisted de Rham complex.

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.

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

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

Oberseminar Differentialgeometrie

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Organiser(s): 
Ursula Hamenstädt (U Bonn), Jonas Beyrer (U Bonn) and Stephan Stadler (MPIM)
Date: 
Thu, 02/09/2010 - 11:58 - Thu, 18/12/2025 - 11:58
Details: 
Program and Abstracts of Oberseminar Differentialgeometrie

Contact: Stephan Stadler (stadler$@$mpim-bonn$.$mpg$.$de)

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...

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.

Conference in Memory of Yuri Manin

Posted in
Organiser(s): 
Dennis Gaitsgory, Mikhail Kapranov, Ivan Penkov, Maxim Smirnov
Date: 
Mon, 11/08/2025 - 09:00 - Fri, 15/08/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference in Memory of Yuri Manin

Conference in Memory of Yuri Manin, August 11 - 15, 2025

Yuri I. Manin (February 16, 1937 - January 7, 2023) was an extraordinary figure in mathematics. Renowned for his creativity, Professor Manin's profound insights -- in diverse subjects ranging from algebraic geometry to mathematical physics and quantum computing -- helped shape modern mathematics. Professor Manin was Director of the Max Planck Institute for Mathematics in Bonn. In this week-long conference, the institute will honor his results and ideas and will attempt to trace some of their developments.

Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL)

Posted in
Organiser(s): 
Pranendu Darbar, Winston Heap, Oana Padurariu, Prahlad Sharma
Date: 
Mon, 21/07/2025 - 09:00 - Fri, 25/07/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL)

Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL), July 21-25, 2025

There has been an enormous amount of progress in the analytic theory of zeta and L-functions over the past decade. Our understanding in the classical theory of the value distribution of the Riemann zeta function has achieved new heights with spectacular breakthroughs on moments and extreme values (both local and global) leading to a better understanding of families of L-functions more generally.

Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras"

Posted in
Organiser(s): 
Daniel Freed (Harvard University), Dennis Gaitsgory (MPIM Bonn), Owen Gwilliam (University of Massachusetts, Amherst), Anton Kapustin (Caltech), Catherine Meusburger (FAU Erlangen-Nürnberg)
Date: 
Mon, 30/06/2025 - 09:00 - Fri, 11/07/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras"

Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras", June 30 - July 11, 2025

Quantum Field Theory (QFT) and Quantum Statistical Mechanics are central to high energy physics and condensed matter physics; they also raise deep questions in mathematics.  The application ofoperator algebras to these areas of physics is well-known.

Approximation of perfectoid rings by Noetherian rings and prisms

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Speaker: 
Ryo Ishizuka
Affiliation: 
Institute of Science Tokyo
Date: 
Tue, 27/05/2025 - 14:00 - 15:30
Location: 
MPIM Seminar Room

The theory of perfectoid towers, introduced by Ishiro-Nakazato-Shimomoto, provides an axiomatic approach to perfectoid theory in commutative algebra through tower-theoretic approximations. In contrast, Bhatt and Scholze introduced prisms as a "deperfection" of perfectoid rings. Our main result shows that a "gradual perfection" of a prism becomes a perfectoid tower. As a consequence, we prove that any p-torsion-free p-adically complete delta-ring that is reduced modulo p admits a perfectoid tower.

Conference on "Quantum Topology"

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Organiser(s): 
Christian Blohmann (MPIM Bonn), Ingrid Irmer (SUSTech), Roland van der Veen (University of Groningen), Campbell Wheeler (IHES), Tao Yu (SUSTech)
Date: 
Mon, 12/05/2025 - 09:00 - Fri, 16/05/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference on "Quantum Topology"

"Hot Topics" Conference on "Quantum Topology", May 12 - 16, 2025

The discovery of polynomial invariants of knots by Jones sparked the study of quantum topology in the late 80s and 90s. Work over the last two decades has led to deeper understanding of the mathematical structures behind these invariants.

tba

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Speaker: 
Igor Shparlinski
Affiliation: 
University of New South Wales
Date: 
Fri, 09/05/2025 - 12:00 - 12:25
Location: 
MPIM Lecture Hall
Parent event: 
Conference on "Asymptotic Counting and L-Functions"

Rational points in conic bundles

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Speaker: 
Efthymios Sofos
Affiliation: 
Glasgow University
Date: 
Fri, 09/05/2025 - 11:30 - 11:55
Location: 
MPIM Lecture Hall
Parent event: 
Conference on "Asymptotic Counting and L-Functions"

Asymptotic counting methods will be used to study certain basic questions on the existence of rational points on surfaces. Joint work with Christopher Frei.

 

Tea break

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Date: 
Fri, 09/05/2025 - 11:00 - 11:30
Location: 
MPIM Tea Room
Parent event: 
Conference on "Asymptotic Counting and L-Functions"
short format
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