Graduate Geometry, Topology and Dynamics Seminar
Jonah Gaster
HNN extensions
Abstract: In preparation for our study of groups acting on trees (following notes of Raghuram and Rury), I will describe HNN extensions. The presentation will be introductory, and we will go over some interesting example-oriented exercises from the text.
Wednesday February 13, 2013 at 3:00 PM in SEO 612