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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

Introduction talk

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Speaker: 
Itamar Mor
Affiliation: 
MPIM
Date: 
Mon, 18/11/2024 - 10:00 - 12:00
Location: 
MPIM Lecture Hall
Parent event: 
Seminar on Ambidexterity

Seminar on Ambidexterity

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Organiser(s): 
Itamar Mor, David Bowman
Date: 
Mon, 18/11/2024 - 10:00 - 12:00
Location: 
MPIM Seminar Room
Details: 
Program and Abstracts of Seminar on Ambidexterity

A formal language for formal category theory

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Speaker: 
Paula Verdugo
Affiliation: 
MPIM
Date: 
Mon, 18/11/2024 - 11:00 - 12:00
Location: 
MPIM Seminar Room
Parent event: 
Abstract Homotopy Theory Seminar

Equipments, a special kind of double categories, have shown to be a powerful environment to express formal category theory.

The etale topology in equivariant homotopy theory

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Speaker: 
Luca Pol
Affiliation: 
University of Regensburg
Date: 
Mon, 18/11/2024 - 14:00 - 15:00
Location: 
MPIM Lecture Hall
Parent event: 
MPIM Topology Seminar

In this talk, I will introduce the concept of a separable commutative algebra in the setting of tt-geometry and discuss its connection to Mathew’s work on Galois theory. Building on this, I will present several classification results for separable algebras in derived commutative algebra and chromatic homotopy theory. In the final part of the talk I will focus attention to the problem of classifying separable algebras in the category of genuine G-spectra for a finite group G.

p-adic L-functions

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Speaker: 
Christian Kaiser
Affiliation: 
MPIM
Date: 
Mon, 18/11/2024 - 16:30 - 18:00
Location: 
MPIM Lecture Hall
Parent event: 
IMPRS Minicourse

Slicing knots in general 4-manifolds

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Speaker: 
Aru Ray
Affiliation: 
MPIM
Date: 
Tue, 19/11/2024 - 11:00 - 12:15
Location: 
MPIM Seminar Room
Parent event: 
Low-dimensional topology seminar

Knots which bound embedded discs in the 4-ball are called slice, and such knots have been studied for several decades. More generally one can ask which knots bound embedded discs, i.e. are slice, in an arbitrary 4-manifold with 3-sphere boundary. E.g. if one finds a knot which is slice in a homotopy 4-ball but not in the 4-ball, this would disprove the 4-dimensional Poincare conjecture.

Hecke operators on p-adic modular forms

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Speaker: 
Pengcheng Zhang
Affiliation: 
MPIM
Date: 
Tue, 19/11/2024 - 16:30
Location: 
MPIM Lecture Hall
Parent event: 
IMPRS seminar on Modular Forms

The refined class number formula for Drinfeld modules

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Speaker: 
María Inés de Frutos Fernández
Affiliation: 
Universität Bonn
Date: 
Wed, 20/11/2024 - 14:30 - 15:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

Let $\mathbb{F}_q$ be a finite field, let $K/k$ be a finite Galois extension of function fields over $\mathbb{F}_q$, and let $E$ be a Drinfeld $\mathbb{F}_q[t]$-module defined over the ring of integers of $k$. In joint work with Daniel Macías Castillo and Daniel Martínez Marqués, we have formulated and proven an equivariant refinement of Taelman's formula for the special value of the Goss L-function attached to a Drinfeld module (which can be interpreted as a function field analogue of the analytic class number formula).

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