Reseach Papers

[pdf] Patterns in words of ordered set partitions [with Jeff Remmel] (submitted, 2018)

[pdf] On the Schur positivity of $Δ_{e_2} e_n[X]$ [with Jeff Remmel, Emily Sergel and Guoce Xin] (submitted, 2017)

[pdf] Quadrant marked mesh patterns in 123-avoiding permutations [with Jeff Remmel] (accepted, Discrete Mathematics & Theoretical Computer Science, Vol 19 no. 2, Permutation Patterns 2016)

[pdf] Schur Function Expansions and the Rational Shuffle Conjecture [with Jeff Remmel] (extended abstract appeared in Proceedings of FPSAC 2017: Séminaire Lotharingien de Combinatoire, 78B.83 (2017))


[talk]The 14th International Conference on Permutation Patterns (PP 2016)(Washington DC, USA, June 2016)

[poster]The 15th International Conference on Permutation Patterns (PP 2017)(Reykjavik, Iceland, June 2017)

[poster]The 29th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2017) (London, UK, July 2017)


Conjectures for the delta operator expression $\Delta'_{e_k}\Delta_{h_r}e_n$, The CAGE Seminar (UPenn), Philadelphia, Mar. 2018

Conjectures for $\Delta'_{e_k}\Delta_{h_r}e_n$, LaCIM (UQAM), Montréal, Canada, Jan. 2018

Special Cases in the Combinatorics of Rational Shuffle Conjecture, Center for Combinatorics Seminar (Nankai University), Tianjin, China, Aug. 2017

Rational Shuffle Conjecture When $n = 3$ or $m = 3$, UC San Diego, La Jolla, May 2016