Non almost finite Cantor minimal actions
Speaker:
Matthieu JOSEPH, Paris-Saclay University
Date and Time:
Thursday, March 23, 2023 - 2:00pm to 2:50pm
Location:
Fields Institute, Room 230
Abstract:
Almost finiteness was introduced and extensively studied by Kerr as a topological analogue of the Ornstein-Weiss tower theorem in measurable dynamics. In this talk, we will prove that there exists amenable wreath products that admit minimal non-almost finite actions on the Cantor set.