Summer 2009
UC Santa Barbara
Hosted by Sumita Pennathur
Academic year 2007-2008 (Sabbatical):
Harvard University, School of Engineering and Applied Sciences.
Hosted by Howard Stone.
Summer 2006:
MIT, Department of Mathematics.
Hosted by Martin Bazant.
Summer 2002:
University of Texas at Austin,
Center for Non-Linear Dynamics, Department of Physics.
Hosted by Harry Swinney.