Invited Talks

Plenary speaker, von Neumann Symposium, Park City, Utah, 2007.
Colloquium speaker, Program in Applied and Computational Mathematics, Princeton University, Princeton, NJ, 2006.
Invited speaker, Sequences and Codes, IRMACS Centre, Simon Fraser University, Vancouver, BC, 2006.
Invited speaker, Abel Symposium, Alesund, Norway, 2006.
Colloquium speaker, Department of Applied Mathematics, Columbia University, New York, NY, 2006.
Colloquium speaker, Department of Mathematics, Wayne State University, Detroit, MI, 2006.
Colloquium speaker, Department of Computer Science, Harvard University, Boston, MA, 2005.
Colloquium speaker, Departments of Mathematics and Statistics, Boston University, Boston, MA, 2005.
Invited speaker, Sparse Representation in Redundant Systems Conference, Univ. of Maryland, College Park, MD 2005.
Invited address, AMS Sectional Meeting, Newark, DE 2005.
Invited speaker, Multiscale Geometry and Analysis in High Dimensions Conference, IPAM, Los Angeles, CA 2004.
Plenary speaker, SIAM Annual Conference, San Diego, CA 2001.
Invited speaker, Session on Internet Research As an Experimental Science, AAAS Annual Meeting, Anaheim, CA, January 1999.
Invited speaker, SIAM Regional Meeting on Mathematics in Industry, Worcester, MA, May 1998.