slides
- The partial-fractions method for counting solutions to integral linear systems (MSRI Discrete & Computational Geometry Seminar, 11/3/03)
- Computing the continuous discretely: The magic quest for a volume (Universite Pierre et Marie Curie (Paris 6) Seminaire de Combinatoire Algebrique et Geometrique, 4/8/04; Technische Universität Berlin Discrete Mathematics Colloquium, 5/17/04; Universitat de Barcelona Mathematics Colloquium, 6/4/05; Universität Marburg Mathematics Colloquium, 6/14/05; Reed College Mathematics Colloquium, 12/2/04)
- Inside-out polytopes & a tale of seven polynomials (UC Davis Combinatorics & Representation Theory Seminar, 2/18/05; University of Kentucky Algebraic Combinatorics Seminar, 4/4/05)
- Enumerating integer-points in polytopes: applications to number theory (Northwest Number Theory Conference, Simon Fraser University, 4/23/05; Mathfest, Knoxville, 8/10/06)
- The "coin-exchange problem" of Frobenius (Sonoma State University M*A*T*H Colloquium, 4/27/05; Mathfest short course "Recreational Mathematics in Teaching", 8/3/05)
- Vector-partition functions (Combinatorial & Additive Number Theory Conference, CUNY, 5/19/05; 16th International Conference of the Jangjeon Mathematical Society, Antalya, Turkey, 7/5/05)
- Combinatorial reciprocity theorems (San Jose State University Mathematics Colloquium, 9/14/05)
- The enumeration of nowhere-zero integral flows in graphs (INTEGERS Conference, University of West Georgia, 10/27/05)
- Dedekind sums: a geometric viewpoint (Diophantine Analysis & Related Topics Conference, Keio University, Japan, 3/8/06; Mathfest, 8/10/06)
- Volume computations for polytopes: An invitation to Ehrhart theory (Undergraduate Connecticut Valley Colloquium, Amherst College, 5/9/06)
- My favorite (mostly mathematical) comic strips (SF State Math Graduation, 5/26/06)
- Inside-out polytopes (AMS Session Geometric Combinatorics, Cincinnati, 10/22/06)
- Cyclotomic polytopes and growth series of cyclotomic lattices (AMS Session Algebraic & Analytic Combinatorics, University of Connecticut, 10/28/06)
- Matt's annual math comic strip (SF State Math Graduation, 5/25/07)
- Dedekind-Carlitz polynomials as lattice-point enumerators in rational polyhedra (AMS Session Combinatorial Enumeration, Optimization, Geometry, and Statistics, Murfreesboro, 11/3/07)
- Combinatorial reciprocity theorems (Oregon State University Mathematics Colloquium, 2/15/08; Claremont Colleges Mathematics Colloquium, 4/9/08)
- Math Circles (MSRI, 3/7/08)
- Asymptotics of Ehrhart series of lattice polytopes (Oberwolfach Workshop Discrete Geometry, 9/23/08; Unversity of Washington Combinatorics Seminar, 10/22/08; UC Berkeley Discrete Mathematics Seminar, 9/16/09)
- Grid graphs, Gorenstein polytopes, and domino stackings (AMS Session Experimental Mathematics, Joint Meetings, 1/5/09)
