Geometry, Rigidity, and Group Actions (Chicago Lectures in Mathematics)

An Extension Criterion For Lattice Actions On The Circle / Marc Burger -- Meromorphic Almost Rigid Geometric Structures / Sorin Dumitrescu -- Harmonic Functions Over Group Actions / Renato Feres And Emily Ronshausen -- Groups Acting On Manifolds : Around The Zimmer Program / David Fisher -- Can Lattices In Sl (n, R) Act On The Circle? / Dave Witte Morris -- Some Remarks On Area-preserving Actions Of Lattices / Pierre Py -- Isometric Actions Of Simple Groups And Transverse Structures : The Integrable Normal Case / Raul Quiroga-barranco -- Some Remarks Inspired By The C⁰ Zimmer Program / Shmuel Weinberger -- Calculus On Nilpotent Lie Groups / Michael G. Cowling -- A Survey Of Measured Group Theory / Alex Furman -- On Relative Property (t) / Alessandra Iozzi -- Noncommutative Ergodic Theorems / Anders Karlsson And François Ledrappier -- Cocycle And Orbit Superrigidity For Lattices In Sl (n, R) Acting On Homogeneous Spaces / Sorin Popa And Stefaan Vaes -- Heights On Sl₂ And Free Subgroups / Emmanuel Breuillard -- Displacing Representations And Orbit Maps / Thomas Delzant [and Others] -- Problems On Automorphism Groups Of Nonpositively Curved Polyhedral Complexes And Their Lattices / Benson Farb, Chris Hruska, And Anne Thomas -- The Geometry Of Twisted Conjugacy Classes In Wreath Products / Jennifer Taback And Peter Wong -- Ergodicity Of Mapping Class Group Actions On Su(2)-character Varieties / William M. Goldman And Eugene Z. Xia -- Dynamics Of Aut (f[subscript]n) Actions On Group Presentations And Representations / Alexander Lubotzky. Edited By Benson Farb And David Fisher. Festschrift For Robert Zimmer On The Occasion Of His 60th Birthday. Includes Bibliographical References.