Jesse Peterson: Von Neumann algebras and lattices in higher-rank groups, II. Some approximation properties

The previous lecture in this series is here. The next lecture in this series is here.

We discuss some approximation properties that are common in “rank 1” groups: Weak amenability and biexactness.

This video was produced by the University of Münster, as part of the hybrid workshop YMC*A 2021.