Work group Operator algebras and non-commutative geometry
Our work group represents the fields of operator algebras and noncommutative geometry in teaching and research. The current focus of our research is
- structure of C * algebras and more general non-commutative algebras, in particular their K-theory and cyclic homology, as well as cohomology, group C * algebras
- representation theory of locally compact groups and the Baum-Connes conjecture
- non-commutative dynamic systems such as crossed products and ring C * algebras
- quantized spaces
- quantum groups and quantum groupoids
We meet every Monday 14 - 16 in SRZ 216 for kleines seminar that is addressed mainly to MSc and PhD students, and to PostDocs.
During the lecture period, we meet for talks at Oberseminar C* algebras every Tuesday at 15:45 with coffee, cake and time for discussions in the seminar room SRZ 216 (Orléans-Ring 12).
Oberseminar C*-Algebras
| Date | Name | Title | Info | |
| 08.04.25 | --- | --- | ||
| 15.04.25 | Philipp Sibbel | C*-diagonals with Cantor spectrum in Cuntz algebras. | ||
| 22.04.25 | Sam Shepherd | Product separability for special cube complexes. | ||
| 29.04.25 | Milan Donvil (KU Leuven) | W*-superrigidity for cocycle twisted group von Neumann algebras. | ||
| 06.05.25 | Keivan Mallahi Karei (Constructor University Bremen) | Random free semigroups of affine transformations. | change of room: M4 | |
| 13.05.25 | Dietmar Bisch (Vanderbilt University) | Degrees of Noncommutativity for Subactors. | change of room: M4 | |
| 20.05.25 | Astrid an Huef (Victoria University of Wellington) | tba. | ||
| 27.05.25 | ||||
| 03.06.25 | Alistair Miller (SDU) | Homology and K-theory for self-similar group actions. | ||
| 10.06.25 | --- | --- | (Pfingstferien/ Pentecost holidays) | |
| 17.06.25 | Soham Chakraborty (ENS Paris) | tba. | change of room: M4 | |
| 24.06.25 | Eduard Vilalta (Chalmers) | tba. | ||
| 01.07.25 | Belfast Conference | |||
| 08.07.25 | Spyros Petrakos | tba. | ||