Oberseminar C*-Algebren

The Oberseminar takes place Tuesdays 16:15-18:00 in SRZ 216/217.

SoSe 2026
Apr 14Andrea Vaccaro, Claude Bernard University Lyon 1
Various degrees of tracial divisibility
Apr 21Hanfeng Li, Chongqing University
Permanents and restricted permutations
Apr 28Julian Kranz, University of Münster
Groupoids, partial actions, and models for Kirchberg algebras
May 5Adriana Fernandez i Quero, KU Leuven
Non-amenable C*-superrigid groups that are not W*-superrigid
May 12Chris Bruce, Newcastle University
Boundary actions of outer automorphism groups of Thompson-like groups
May 19Jens Kaad, University of Southern Denmark
Spectral localizers in KK-theory
Jun 2Dietmar Bisch, Vanderbilt University
Jun 9Gabor Szabo, KU Leuven
Jun 16TBA
Jun 23David Jekel, University of Copenhagen
Jun 30Mehrdad Kalantar, University of Oxford
Jul 7Ikhan Choi, University of Tokyo
A solution to Haagerup's problem on normal weights
Jul 14Apurva Seth, University of Oxford