Bonn Topology Group

General Information - Members - Activities - Topology Seminar

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

The seminar takes place on Tuesdays in seminar room 1.008 at the Mathematical Institute, Endenicher Allee 60, from 5:00 to 6:00 pm. Tea and cookies will be served in the Hausdorff space right before the seminar at 4:30 pm.
The program of previous semesters is here. If you are interested in giving a talk or want to suggest a speaker, please contact the organiser.


  • October 15th 2019
    Steffen Kionke (KIT, Karlsruhe): Limits of topological invariants in the p-adic numbers
  • October 22nd 2019
    Diego Lopez Alvarez (MPIM, Bonn): The strong Atiyah conjecture for the families of locally indicable and one-relator groups
  • October 29th 2019
    Siegfried Echterhoff (WWU Münster): The Baum-Connes Conjecture
  • November 5th 2019
    Markus Hausmann (RFWU Bonn): Equivariant formal group laws and complex cobordism
  • November 12th 2019
    Ian Hambleton (McMaster University, Hamilton, Canada): Rank conditions for finite group actions on 4-manifolds
  • November 19th 2019
    Thomas Nikolaus (WWU Münster): On the Beilinson fibre sequence
  • November 26th 2019
    Pavle Blagojević (FU Berlin/SANU Belgrade, Serbia): On a vector bundle which cuts, bounces, embeds and measures waists
  • December 3rd 2019
    Lior Yanovski (MPIM, Bonn): Higher semiadditivity (a.k.a. ambidexterity) and chromatic homotopy theory
  • December 10th 2019
    no seminar

  • December 17th 2019
    Christmas market!

  • January 7th 2020
    Anthony Conway (MPIM, Bonn): Non-slice linear combinations of iterated torus knots
  • January 14th 2020
    Richard Hepworth (University of Aberdeen, UK): Homological stability for algebras
  • January 21st 2020
    Emanuele Dotto (University of Warwick, Coventry, UK): The Grothendieck-Witt theory of quadratic functors
  • January 28th 2020
    Piotr Pstragowski (Københavns Universitet, Denmark): tba