1. Categories of acyclic graphs
and autimorphisms of free groups,
Ph.D. Thesis,
2. A
convolution formula for the Tutte polynomial (coauthors: V. Reiner and
D.Stanton),
Journal of
Combinatorial Theory, Series B 76, 297-300 (1999)
3. Combinatorial Laplacians of matroid complexes
(coauthors: V. Reiner and D. Stanton),
Journal of American
Mathematical Society 13, No. 1, 129-148 (2000)
4. Recurrence relations for the spectrum polynomial of a
matroid,
Discrete Applied Mathematics 143 (2003) 312-317
5. A formula for an evaluation of the Tutte polynomial of a
matroid,
Discrete
Mathematics 300 (2005) 235-238
6. On the product of log-concave polynomial,
Integers: The Electronic Journal of Combinatorial Number Theory 6
(2006), #A40
7. The homology of the cycle matroid of a coned graph,
European Journal of Combinatorics (2007) 734-741
8. Edge-rooted forests and a-invariant of cone graphs,
in
press for publication in Discrete Mathematics
9. Monotone sequences
for complete graphs, in preparation
A057817: Rank of homology groups for cycle matroid complex for Kn
(Feb. 2002)
A072962: Mobius coinvariant for complete bipartite graphs (coauthor: L.
Thoma) (May 2002)
A083483: Forests with two components for complete graphs (June 2003)
A071720: Spanning trees in the graph Kn \ e (coauthors: N.
Eaton and L. Thoma) (Jan. 2004)
A089104: Spanning trees in the graph Kn / e (coauthors: N.
Eaton and L. Thoma) (Jan. 2004)
A000918: Edge-rooted forests in a cycle of length n (Sept. 2004)
A100070: Forests with two components in the complete bipartite graph Kn,n
(Nov. 2004)
A109808: Value of Tutte dichromatic polynomial TG(0,1) for
G=P2¢¥ Pn (n>1) (Aug. 2005)
A002817: Coefficient of xn-3 in
the shelling polynomial for the cycle matroid of Kn (Nov. 2006)