- Graphs in the Language of Linear Algebra: Applications, Software, and Challenges (IPDPS GABB, May 2014)
- Sparse Matrices and Graphs: There and Back Again (Simons Institute, October 2013)
- Sparse Matrices for High-Performance Graph Analytics (CLSAC, October 2013)
- Sparse Matrices for High-Performance Graph Computation (l'Ecole Normale SupĂ©rieure de Lyon, September 2012)
- A Toolbox for High-Performance Graph Computation (UC Berkeley, September 2011)
- Combinatorial Scientific Computing: Tutorial, Experiences, and Challenges (MMDS, June 2010)
- High-Performance Computation for Path Problems in Graphs (SIAM Dynamical Systems, May 2009)
- Combinatorial Scientific Computing: Experiences, Directions, and Challenges (CSCAPES workshop, June 2008)
- A High-Performance Interactive Tool for Exploring Large Graphs (ICIAM, July 2007)
- An Interactive Environment for Combinatorial Supercomputing (MIT CRiB seminar, July 2006)
- Applied Mathematics (Bethlehem Middle School Career Day, March 2005)
- Workflow Analysis of Student Data (HPCS, January 2005)
- Sparse Matrix Algorithms (slides from CS 290H, Fall 2004)
- Matlab*P: Graphs and Sparse Matrices in an Interactive Supercomputing Environment (SIAM, July 2004)
- Support-Graph Preconditioning (MIT, November 2002)
- Graph Algorithms in Numerical Linear Algebra: Past, Present, and Future (Pacific Northwest NA Seminar, September 2002)
- Symmetric Weighted Matching for Indefinite Systems (Householder, June 2002)
- Sparse Matrix Days in MIT 18.337: Day 1, Day 2, Day 3 (MIT, April 2002)
- The Evolution of A Sparse Partial Pivoting Algorithm (University of Nancy, June 2001)