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Upcoming Talks

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

Bonn Symplectic Seminar

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Organiser(s): 
Nate Bottman
Date: 
Thu, 26/09/2024 - 11:00 - Tue, 01/04/2025 - 12:00
Location: 
MPIM Seminar Room
Details: 
Program and Abstracts of Bonn Symplectic Seminar

Oberseminar Arithmetic Geometry and Representation Theory

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Organiser(s): 
Prof. Dr. J. Fintzen, Prof. Dr. T. Kaletha, Prof. Dr. P. Scholze
Date: 
Fri, 11/10/2024 - 14:05 - Fri, 31/01/2025 - 16:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Oberseminar Arithmetic Geometry and Representation Theory

https://people.mpim-bonn.mpg.de/scholze/veranstaltungen.html

Elliptic genera

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Speaker: 
Ferdinand Wagner
Affiliation: 
MPIM/Univ. Bonn
Date: 
Mon, 06/01/2025 - 16:30 - 18:00
Location: 
MPIM Lecture Hall
Parent event: 
IMPRS seminar on Modular Forms

A universal addition theorem for genera and multiplicativity in fibrations

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Speaker: 
Simona Veselá
Affiliation: 
MPIM/Univ. Bonn
Date: 
Tue, 07/01/2025 - 16:30 - 18:00
Location: 
MPIM Lecture Hall
Parent event: 
IMPRS seminar on Modular Forms

The unitary cobordism hypothesis

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Speaker: 
Luuk Stehouwer
Affiliation: 
Dalhousie University
Date: 
Thu, 09/01/2025 - 13:30 - 15:00
Location: 
MPIM Lecture Hall
Parent event: 
Physical Math Seminar

The cobordism hypothesis classifies extended topological quantum
field theories (TQFTs) in terms of algebraic information in the target
category. One of the core principles in quantum field theory - unitarity -
says that state spaces are not just vector spaces, but Hilbert spaces.
Recently in joint work with many others, we have defined unitarity for
extended TQFTs, inspired by Freed and Hopkins. Our main technical tool is a
higher-categorical version of dagger categories; categories $C$ equipped

Representations of $p$-adic groups and affine Hecke algebras

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Speaker: 
Kazuma Ohara
Affiliation: 
MPIM
Date: 
Thu, 09/01/2025 - 15:00 - 16:00
Location: 
MPIM Lecture Hall
Parent event: 
MPI-Oberseminar

The representation theories of $p$-adic groups and affine Hecke algebras are closely related. In this talk, I will explore how the representation theory of affine Hecke algebras provides valuable tools for studying the representations of $p$-adic groups, with a particular emphasis on the case of $\mathrm{SL}_2$.

tba

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Date: 
Fri, 10/01/2025 - 12:45 - 14:00
Location: 
MPIM Seminar Room
Parent event: 
WIQI topology seminar

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

tba

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Speaker: 
Tasho Kaletha
Affiliation: 
Universität Bonn
Date: 
Fri, 10/01/2025 - 14:05 - 16:00
Location: 
MPIM Lecture Hall
Parent event: 
Oberseminar Arithmetic Geometry and Representation Theory

tba

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Speaker: 
Thomas Blom
Affiliation: 
MPIM
Date: 
Mon, 13/01/2025 - 11:00 - 12:00
Location: 
MPIM Seminar Room
Parent event: 
Abstract Homotopy Theory Seminar

Jacobi forms and modular differential equations

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Speaker: 
Dmitrii Adler
Affiliation: 
MPIM
Date: 
Wed, 15/01/2025 - 14:30 - 15:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

The Serre derivative is a differential operator that maps modular forms of weight $k$ to modular forms of weight $k+2$. One can study differential equations with respect to this differential operator. Some examples of such equations are the Ramanujan system of differential equations and the Kaneko-Zagier equation. A similar construction takes place in the case of Jacobi forms. In my talk I will discuss differential equations of Jacobi forms and some applications related to the elliptic genus of Calabi-Yau manifolds.

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