### Educational Background

- Ph.D., Massachusetts Institute of Technology
- B.A., Trinity College Dublin

### Research Interests

- Questions of Schur-positivity
- Relations among skew Schur functions
- Edge labellings and combinatorial topology of partially ordered sets
- P-partitions
- Matrix theory

### Selected Publications

Comparing skew Schur functions: a quasisymmetric perspective, *Journal of Combintatorics*, 5 (1) (2014), 51-85.

Equality of *P*-partition generating functions, with Ryan E. Ward (Bucknell Class of 2011), *Annals of Combinatorics*, 18 (3) (2014), 489-514.

The Möbius function of generalized subword order, with Bruce E. Sagan, *Advances in Mathematics*, 229 (5) (2012), 2741-2766.

A Pieri rule for skew shapes, with Sami H. Assaf and an appendix by Thomas Lam, *Journal of Combinatorial Theory (Series A)*, 118 (1) (2011), 277-290.

Towards a combinatorial classification of skew Schur functions, with Stephanie van Willigenburg, *Transactions of the American Mathematical Society*, 361 (8) (2009), 4437-4470.

Cylindric skew Schur functions, *Advances in Mathematics*, 205 (1) (2006), 275-312.

EL-labelings, supersolvability and 0-Hecke algebra actions on posets, *Journal of Combinatorial Theory (Series A), *101 (1) (2003), 69-89.