Yahtzee! I am currently a Senior 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 Spring 2013 Course Webpages Math 140 - Calculus with Analytic Geometry I

Recent Applets

Sudoku Fully Packed Loops Partitions

Recent Papers

A Tiling Approach to Eight Identities of Rogers (with James A. Sellers) Some Fine Combinatorics (The original publication is available at www.springerlink.com) 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

Some Fine Combinatorics (Penn State, Fall Eastern Section Meeting 2009) A New Combinatorial Approach to q-Series Identities (Penn State, Combinatory Analysis 2008) Recent Progress on Tiling Proofs of q-Series Identities (Penn State, November 2008) A New Combinatorial Approach to q-Series Identities (UCSD, August 2008) Classical q-Series Identities via Tilings (Penn State, Fall 2007) New Proofs of Identities of Lebesgue and Göllnitz via Tilings (Penn State, Fall 2007) Combinatorial Proofs of Various q-Pell Identities via Tilings (Penn State, Fall 2007)

Reduced Factorizations of the Symmetric Group

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