Yan, Sherry H.F.

• The Electronic Journal of Combinatorics Volume 17 (2010) - Research Papers
  Counting Subwords in a Partition of a Set
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 15 (2008) - Notes
  Bijective Proofs of Identities from Colored Binary Trees
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 20, Issue 3 (2013) - Papers
  On Wilf Equivalence for Alternating Permutations
  Abstract  PDF  Source files  official source