books
- (with sinai robins) computing the continuous discretely: integer-point enumeration in polyhedra, springer 2007 (also available in german & japanese)
- (with ross geoghegan) the art of proof: basic training for deeper mathematics, springer 2010
- new book project: (with raman sanyal) combinatorial reciprocity theorems
preprints
- (with eric babson) counting group valued graph colorings.
- (with mela hardin) a bivariate chromatic polynomial for signed graphs.
- (with ben braun, matthias köppe, carla savage, and zafeirakis zafeirakopoulos) s-lecture hall partitions, self-reciprocal polynomials, and gorenstein cones.
- (with jessica de silva, gabriel dorfsman-hopkins, joseph pruitt, and amanda ruiz) the combinatorics of interval-vector polytopes.
- (with felix breuer, logan godkin, and jeremy martin) enumerating colorings, tensions and flows in cell complexes.
- (with abdelmejid bayad) relations for bernoulli-barnes numbers and barnes zeta functions.
- (with alyssa cuyjet, gordon rojas kirby, molly stubblefield, and michael young) nowhere-zero k-flows on graphs.
[complete list of published papers]
courses (fall'13)
- math 310 (elementary number theory)
upcoming activities
- minisymposium symbolic combinatorics @ siam conference on applied algebraic geometry, colorado state (august 1-4)
- triangle lectures in combinatorics, nc state (september 21)
current funding
- nsf (grants dge-0841164 & dms-1162638)
