Seminar series
Date
Mon, 17 May 2021
Time
15:45 -
16:45
Location
Virtual
Speaker
Piotr Przytycki
Organisation
McGill University
Let S be an orientable surface of finite type. Using Pho-On's infinite unicorn paths, we prove the hyperfiniteness of the orbit equivalence relation coming from the action of the mapping class group of S on the Gromov boundary of the arc graph of S. This is joint work with Marcin Sabok.