Quasi-isometries of groups and spaces

Research Horizons Seminar
Tuesday, April 27, 2010 - 12:00
1 hour (actually 50 minutes)
Skiles 255
Professor, School of Mathematics

Hosted by: Huy Huynh and Yao Li

A starting point of geometric group theory is thinking of a group as a geometric object, by giving it a metric induced from the Cayley graph of the group. Gromov initiated a program of studying groups up to quasi-isometries, which are ``bilipschitz maps up to bounded additive error". Quasi-isometries ignore local structure and preserve asymptotic properties of a metric space. In the talk I will give a sample of results, examples, and open questions in this area.