I finished my PhD at the University of Minnesota in 2006. Here’s my thesis, and here’s the known errata list.
At FPSAC 2007 I gave a talk on the combinatorics of associated Hermite polynomials. I have slides from the talk, and a preprint of the paper is available at arXiv:0709.0987. The paper appeared in the European Journal of Combinatorics: doi:10.1016/j.ejc.2008.05.009 (here’s citation info).
Jang Soo Kim and I have a preprint: k-distant crossings of matchings and set partitions, which has been accepted as a poster at FPSAC 2009 and will appear in the proceedings.
See arXiv:0909.1655. This paper has been submitted to Advances in Applied Mathematics.