Yahtzee! I am currently a Lecturer in the Department of Mathematics at Penn State University. My research is in the area of algebraic and enumerative combinatorics. Curriculum Vitae, Publications & Talks Recent Applets Sudoku

Recent Papers

New Proofs of Identities of Lebesgue and Gollnitz via Tilings (with James A. Sellers) Combinatorial Proofs of Various q-Pell Identities via Tilings (with Karen S. Briggs and James A. Sellers)

Recent Talks

Combinatorial Proofs of Various q-Pell Identities via Tilings (Penn State, Fall 2007) New Proofs of Identities of Lebesgue and Göllnitz via Tilings (Penn State, Fall 2007) Classical q-Series Identities via Tilings (Penn State, Fall 2007) A New Combinatorial Approach to q-Series Identities (UCSD, August 2008) Recent Progress on Tiling Proofs of q-Series Identities (Penn State, November 2008) A New Combinatorial Approach to q-Series Identities (Penn State, Combinatory Analysis 2008)

Reduced Factorizations of the Symmetric Group

Diagram Viewer Downloadable Version 4.2 | Applet Version

Spring 2009 Course Webpages

Math 310 - Elementary Combinatorics

Anyone for Tennis?

Wouldn't that be nice? - Hit around or play a match. Singles or doubles. Social or competitive.