### scholarly work

Spherical CR Geometry and Dehn Surgery (research monograph) Annals of Mathematics Studies

Complex Hyperbolic Triangle Groups, Proceedings of the International Congress of Mathematicians

Real Hyperbolic on the Outside, Complex Hyperbolic on the Outside Inventiones Mathematicae

Ideal Triangle Groups, Dented Tori, and Numerical Analysis, Annals of Math

Symmetric Patterns of Geodesics and Automorphisms of Surface groups inventiones mathematicae

Quasi-Isometric Rigidity and Diophantine Approximation Acta Mathematica

The quasi-isometry classification of rank one lattices Publications IHES

Pappus's Theorem and the Modular Group Publications IHES