The Eulerian generating function of q-derangements
The polytope of degree partitions (with A.
Bhattacharya and S. Sivasubramanian)
Cones of closed alternating walks
and trails (with A. Bhattacharya and U. N. Peled)
The Cone of balanced subgraphs (with A. Bhattacharya
and U. N. Peled)
Some problems motivated by the notion of threshold
graphs
Symmetric chains, Gelfand-Tsetlin chains, and the
Terwilliger algebra of the binary Hamming scheme
A positive combinatorial formula for the complexity of
the q-analog of the n-cube
Radial eigenvectors of the Laplacian of the nonbinary
hypercube
Notes on explicit block diagonalization
The Goldman-Rota identity and the Grassmann scheme
Wreath product action on generalized Boolean
algebras (with A. Mishra)
A combinatorial determinant dual to the group
determinant (with A. Mishra)
The Okounkov-Vershik approach to the representation
theory of G wreath S_n (with A. Mishra)
The perfect matching association scheme
(Maple program notes and
binary file)
A q-analog of the adjacency matrix
of the n-cube (with S. Ghosh)