Table of Contents

• CAT(0) cube complexes and groups by M. Sageev
• Geometric small cancellation by V. Guirardel
• Lectures on proper CAT(0) spaces and their isometry groups by P.-E. Caprace
• Lectures on quasi-isometric rigidity by M. Kapovich
• Geometry of outer space by M. Bestvina
• Some arithmetic groups that do not act on the circle by D. W. Morris
• Lectures on lattices and locally symmetric spaces by T. Gelander
• Lectures on marked length spectrum rigidity by A. Wilkinson
• Expander graphs, property t and approximate groups by E. Breuillard
• Cube complexes, subgroups of mapping class groups, and nilpotent genus by M. R. Bridson

About the Author

Mladen Bestvina, University of Utah, Salt Lake City, UT, USA.

Michah Sageev, Technion-Israel Institute of Technology, Haifa, Israel.

Karen Vogtmann, University of Warwick, Coventry, United Kingdom.