Group Actions in Ergodic Theory, Geometry, and Topology

This volume of Robert J. Zimmer's selected papers, collected here for the first time, provides a rich context for his now-classic insights on group actions. The volume opens with a foreword by David Fisher, Alexander Lubotzky, and Gregory Margulis, as well as a substantial introductory essay by Zimmer himself, recounting the course of his career in mathematics. The volume closes with an article by Fisher on the most recent developments around the Zimmer program--