Two non Gamma factors with non isomorphic ultrapowers

The Golden Hourglass by Craig Schaffer
Tue, October 25, 2022
1:50 pm - 2:45 pm
MW 154

 Title:  Two non Gamma factors with non isomorphic ultrapowers. 

Speaker:  Srivatsav Kunnawalkam Elayavalli (UCLA/IPAM)

Speaker's URL:  https://sites.google.com/view/srivatsavke/home

Abstract:  I will show you how to construct a non Gamma factor such that it and L(F_2) have non isomorphic ultrapowers. This settles a fundamental open problem in the classification of II_1 factors. This is joint work with Adrian Ioana and Ionut Chifan.

URL associated with Seminar:  https://www.asc.ohio-state.edu/math/vqss/