Pure and Applied Mathematics Quarterly

Dedicated to Grigory Margulis

Affine Subdivision, Steerable Semigroups, and Sphere Coverings

Quasi-isometries and Rigidity of Solvable Groups

On Uniform Exponential Growth for Solvable Groups

Divergent Orbits on S-adic Homogeneous Spaces

Free Subgroups of Linear Groups

Induced Representations of the Infinite Symmetric Group

Linear Drift and Poisson Boundary for Random Walks

Quasi-morphisms and the Poisson Bracket

Flat Projective Structures on Surfaces and Cubic Holomorphic Differentials