GRK 2240:
Algebro-geometric Methods in Algebra, Arithmetic and Topology

Mathematisches Institut Heinrich-Heine-Universität Universitätsstr. 1
40225 Düsseldorf

Fachbereich Mathematik und Informatik
Bergische Universität Wuppertal
Gaußstr. 20
42119 Wuppertal

GRK ring lecture for the summer semester 2021:

Up-date (SARS-CoV-2 pandemic) - 22th October 2020

Due to the SARS-CoV-2 pandemic the activities of the GRK are currently restricted. This concerns in particular the workshop and the ring lectures which take place as online video lectures. The schedule of the ring lecture can be found below, the workshop is listed under Seminars.

Schedule for the online Ring Lectures of the summer semester 2021:

Date Time Speaker Title
Thursday, April 15 14:15-15:15

Stefan Schröer

Brauer Groups and Obstructions I

Thursday, April 22 14:15-15:15

Stefan Schröer

Brauer Groups and Obstructions II

Thursday, May 06 14:15-15:15

Immanuel Halupczok

Katrin Tent
Preparatory talk : What is model theory and why should I care?

Profinite groups with NIP theory and p-adic analytic groups
Thursday, May 20 14:15-15:15

Nadja Hempel

"Computing" up to finite index

Thursday, May 27 14:15-15:15

Markus Reineke


Thursday, June 10 14:15-15:15

Markus Reineke

Moduli spaces of vector bundles on curves

Thursday, June 17 14:15-15:15

Holger Kammeyer

On arithmetic groups with the same finite quotients

Thursday, June 24 14:15-15:15

Sascha Orlik

Smooth Representation Theory I

Thursday, July 01 14:15-15:15

Sascha Orlik

Smooth Representation Theory II

Thursday, July 08 14:15-15:15

Raju Krishnamoorthy

Moritz Kerz
Preparatory talk

Density of local systems with quasi-unipotent monodromy at infinity
Thursday, July 15 14:15-15:15

Magdalena Boos


Thursday, July 22 14:15-15:15

Meeting of the board

Archive of the GRK lectures:

• Special Lecture course Brauer groups in algebra and geometry by Stefan Schröer in the winter semester 2022/23.

Ring Lecture summer semester 2022.

• Special Lecture course Representation Growth by Benjamin Klopsch in the winter semester 2021/22.

Ring Lecture summer semester 2021.

Ring Lecture winter semester 2020/21.

Ring Lecture summer semester 2020.

• Special Lecture course From Chow groups to motivic homotopy theory by Jens Hornbostel in the winter semester 2019/20.

Ring Lecture summer semester 2019.

• Special Lecture course Singularities, Monodromy, and Zeta Functions by Immanuel Halupczok in the winter semester 2018/19.
Responsible for the content: E-Mail sendenLucas Ruhstorfer/Jens Hornbostel