For full functionality of this site it is necessary to enable JavaScript. Here are the instructions how to enable JavaScript in your web browser. Jason Behrstock Campus Affiliation: Lehman College Phone: 212-817-8567 Room Number: 4217.02 jason.behrstock@lehman.cuny.edu Website Research Interests: topology, geometry, group theory, especially geometric group theory low dimensional topology, complex analysis, Riemann surfaces,Teichmueller theory