Fall 2011:
Spring 2011:
Fall 2010:
Spring 2010:
In 2008-09, I held research positions at RWTH Aachen University (Germany) and at the Max Planck Institute for Mathematics, Bonn (Germany).
Spring 2008:
Fall 2007:
Spring 2007:
Fall 2006:
Spring 2006:
Fall 2005:
Spring 2005:
Fall 2004:
Spring 2004:
Fall 2003:
Spring 2003:
Fall 2002: