Department of Mathematical Sciences,
University of Delaware
The 2008-2010 MPI Workshops at Worcester Polytechnic Institute,
University of Delaware and Rensselaer Polytechnic Institute are supported
by National Science Foundation Collaborative Special Meetings Grant DMS-0753064.
Any opinions, findings, and conclusions or recommendations
expressed in this material are those
of the authors and do not necessarily reflect the views of the
National Science Foundation.