Professor of Mathematics at the CUNY Graduate Center
Research Emphasis: Hyperbolic Geometry and Dynamics of one complex variable
The Course Page for "Teichmuller Theory and Dynamical Systems"
Postcritically Finite Rational Maps and their Deformations
Bounds for Bounded-Primitive Renormalization
The Surface Subgroup Theorem and the Ehrenpreis conjecture.
Reseach supported by NSF Grant DMS 0905812