Bonn Topology Group

General Information - Members - Topology Seminar - Activities

This page displays the schedule for the Topology Seminar at the Mathematical Institute.

The seminar takes place Tuesdays in seminar room 0.006 at the Mathematical Institute, Endenicher Allee 60, from 5:00 to 6:00 pm. Tea and cookies will be served in the Hausdorff room right before the seminar at 4:30 pm.

The program of previous semesters can be found here.

WS2025/26

• October 21, 2025
  Sven van Nigtevecht (Universität Bonn): Synthetic spectra and synthetic modular forms
  Abstract


• October 28, 2025
  Shay Ben-Moshe (MPIM Bonn): Transfers in transchromatic homotopy theory
  Abstract
  notes for the talk are available on Shay's website


• November 4, 2025
  no seminar because of NRW Topology Meeting


• November 11, 2025
  Tashi Walde (Universität Regensburg): Inductive vs coinductive (∞,∞)-categories
  Abstract


• November 18, 2025
  Branko Juran (Universität Bonn): Norms for compact Lie groups
  Abstract


• November 25, 2025
  Fernando Abellán (MPIM Bonn): (∞,2)-Topoi and descent
  Abstract


• December 2, 2025
  Thomas Schick (Universität Göttingen): The coarse Baum-Connes conjecture and new counterexample using warped cones
  Abstract


• December 9, 2025
  David Gepner (Johns Hopkins University): Internal categories and applications to globally equivariant homotopy theory


• December 16, 2025
  no seminar because of traditional christmas market gathering


• January 13, 2026
  Henning Krause (Universität Bielefeld)


• January 20, 2026
  Robin Sroka (Universität Münster)


• January 27, 2026
  Bernhard Hanke (Universität Augsburg)