07/06/2022, 11:00 — 12:00 — Room P3.10, Mathematics Building
Rachid El Harti, Université Hassan I, Morocco
On subalgebras of crossed product Banach algebras
We characterize intermediate subalgebras between a C*-algebra $A$ and the crossed product $A\rtimes_\alpha G$ or $\ell^1(G,A,\alpha)$, for actions $\alpha$ of discrete groups $G$ on a C*-algebras $A$.