## 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

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.

## Seminar Circle method for Diophantine equations

We are organizing a seminar that aims to offer an introduction to the circle method. Initially developed by Hardy, Littlewood, and Ramanujan, the circle method has been successfully applied to many problems in number theory, including Waring’s problem, Goldbach’s weak conjecture, and estimating the number of partitions. We will follow Davenport's lecture notes* that explains the Hardy-Littlewood circle method with a minimum of fuss by looking at its applications to Waring's problem.

## Abstract Homotopy Theory Seminar

## MPIM Math-Phys Seminar

A seminar about different topics in Mathematical Physics, broadly around Quantum Field Theory, Algebraic Topology and Differential Geometry. Our meetings are hosted by an assigned speaker, who gives an informal introduction to his topic. Alongside, we will have questions from the audience, which typically lead to a lively discussion.

Seminar-Webseite: https://davidprinz.org/seminar/

## IMPRS seminar on various topics: Mostow rigidity

## IMPRS seminar on various topics: Single talk

## Infinty: Introducing New Faces in Number TheorY

Short presentations of new arrivals at MPIM working in number theory.

## Seminar "Arithmetic Geometry and Representation Theory"

## Bonn symplectic geometry seminar

## Exponential Sum Reading Seminar

We are excited to announce a semester-long reading seminar on the exponential sum over finite fields. Throughout the seminar, participants will delve into the interaction of analytic number theory and arithmetic geometry. Specifically, we will learn Stepanov's “elementary” method to prove Weil’s Conjecture for curves over finite fields. We kindly invite all Ph.D students and postdocs who are interested in this topic.

## Seminar on Abstract Homotopy Theory

## IMPRS seminar on various topics: Farrel–Jones-Conjecture

## IMPRS seminar on various topics: Cerf theory

## Student Seminar on Derived Geometry

## Course on slice knots and knot concordance

## Low-dimensional topology seminar

Contact: Aru Ray

## Reading seminar on six functors for equivariant cohomology

### Time/Venue

Time/venue: Thursday 10:15-12:00, Max Planck Institute for Mathematics, seminar room

#### Seminar description

Sheaves and cohomology are ubiquitous in geometry and topology. The derived category of sheaves on a space, together with the so-called "six functors" (and the various relations between them), form an "enhancement" of the cohomology groups of spaces that provides more insight into the structure behind these cohomology groups (see e.g. [A1]).

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