Olwethu Waka (University of Cape Town, Cape Town, South Africa), Main Results on Slender Groups - Part II, 21/06/22, 4pm (of Cape Town), organized by University of Cape Town, online via Zoom.

Olwethu Waka (University of Cape Town, Cape Town, South Africa), Main Results on Slender Groups - Part I, 14/06/22, 4pm (of Cape Town), organized by University of Cape Town, online via Zoom.

Mita Ramabulana (University of Cape Town, Cape Town, South Africa), Classical Results on Cohomology of Groups - Part II, 07/06/22, 12pm (of Cape Town), organized by University of Cape Town, online via Zoom.

Mita Ramabulana (University of Cape Town, Cape Town, South Africa), Classical Results on Cohomology of Groups - Part I, 31/05/22, 12pm (of Cape Town), organized by University of Cape Town, online via Zoom.

Yanga Bavuma (University of South Africa, Pretoria, South Africa), Topological Structure of Some Central Products and Their Influence on Dynamical Systems, 30/05/22, 2.15pm (of Erlangen), organized by University of Erlangen (Erlangen, Germany) via Zoom.

Shirly Geffen (KU Leuven, Leuven, Belgium), Dynamical comparison of amenable actions by non-amenable groups, 25/04/22, 2.15pm (of Erlangen), organized by University of Erlangen (Erlangen, Germany) via Zoom.

Lars Hellström (Mälardalen University, Västerås, Sweden), Low rank approximation of large symmetric matrices with unknown elements, and an application in symbolic computation, 09/03/22, 3:30pm (of Stockholm), organized by Sergei Silvestrov (Mälardalen University, Västerås, Sweden), online via Zoom.

Francesco G. Russo (University of Cape Town, Cape Town, South Africa), On the Topological Decompositions of the Pauli Group, 02/03/22, 3.30pm (of Stockholm), organized by Milica Rancic (Mälardalen University, Västerås, Sweden), online via Zoom.

Clement Dell'Aiera(ENS Lyon, Lyon, France), Coarse geometry of Hecke pairs and K-theory, 31/01/22, 2.15pm (of Erlangen), organized by University of Erlangen (Erlangen, Germany) via Zoom.