Talks
  1. The q-Zeilberger algorithm and the q-WZ method for infinite series,
    AMS Meeting, San Diego, January, 2008.
    PDF

  2. Recent developments on log-concavity and q-log-concavity of combinatorial polynomials,
    22nd International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2010),
    San Francisco State University, August, 2010.
    PDF