| Aug/2010 SIAM Conference on Nonlinear Waves and Coherent Structures, Philadelphia, PA |
| Jun/2010 Eighth International Workshop on Accurate Solution of Eigenvalue Problems, Berlin, Germany |
| May/2010 Mathematics Colloquium, Drexel University, Philadelphia, PA |
| Dec/2009 SIAM PDE Conference, Miami, FL |
| May/2009 AMS Meeting, Worcester, MA |
| May/2009 Numerical PDE Seminar, MIT, Boston, MA |
| Jun/2007 Keynote Talk. ASME Applied Mechanics and Materials Conference, University of Texas, Austin, Texas |
| Jun/2007 International Symposium on Plasticity 2007, Girdwood, AK |
| Apr/2006 Dean's Seminar, College of Arts and Sciences, Drexel University |
| Mar/2006 Workshop on the Teaching of Linear Algebra, Drexel University |
| Dec/2005 Applied Mathematics and Scientific Computing Seminar, Temple University, Philadelphia, PA |
| Oct/2003 Condensed Matter Seminar, Rutgers University, New Brunswick, NJ |
| Feb/2011 Applied Mathematics Seminar, University of Delaware, Newark, DE |
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