Logic Seminar
Christian Rosendal
UIC
Finitely approximable groups and actions
Abstract: We give an introduction to the interactions between strong versions of residual finiteness for groups and finite approximability of actions. As an application, we shall show that the isometry group of the rational Urysohn metric space has ample commuting generics.
Tuesday February 9, 2010 at 4:00 PM in SEO 612