Stability and Testability
Non-amenable groups admitting no sofic approximation by expander graphs
We show that the direct product of an infinite, finitely generated Kazhdan Property (T) group and a finitely presented, not residually finite amenable group admits no sofic approximation by expander graphs. Joint work with Andreas Thom.
Date & Time
February 10, 2021 | 11:00am – 12:15pm
Location
Remote AccessSpeakers
Affiliation
Alfréd Rényi Institute of Mathematics