Topology and Geometric Group Theory Seminar

Yash LodhaCornell University
A geometric solution to the von Neumann-Day problem for finitely presented groups

Tuesday, September 17, 2013 - 1:30pm
Malott 224

I will describe a group of piecewise projective homeomorphisms of the real line which is finitely presented, nonamenable and does not contain nonabelian free subgroups.