Title: Anomalous symmetries of C*-algebras
Speaker:Corey Jones (North Carolina State University, USA)
Friday, June 4, 16:00 Athens time (UTC+3)
Abstract: Given a discrete group G and a U(1)-valued 3-cocycle w, an anomalous action on a C*-algebra is a generalization of a cocycle action of G, where the cocycle equations "hold up to w".
We…