Print Archive Mirror : Electronically available papers
Institute of Mathematics of the Romanian Academy
UPENN Math Department : this is the place where I got my Ph.D. from.
UIC Math Department : I spent 2 years as a Postdoc here.
Courant Institute, NYU : I was a Postdoc/Courant Instructor here during the Spring 2006 semester, and I am currently a (part-time) Research Fellow.
Algebraic Topology Discussion List
Problems in algebraic topology: Poincare duality, spectral sequences, characteristic classes (a good practice for the qualifying exam in algebraic topology)
Recent pictures, with me and Bridget.