Minimal permutations and 2-regular skew tableaux. - William Y. C. Chen; Cindy C. Y. Gu; Kevin J. Ma (Adv. Appl. Math., 2011)

Higher order log-concavity in Euler's difference table. - William Y. C. Chen; Cindy C. Y. Gu; Kevin J. Ma; Larry X. W. Wang (Discret. Math., 2011)

Interlacing log-concavity of the derangement polynomials and the Eulerian polynomials. - Cindy C. Y. Gu; Larry X. W. Wang (Eur. J. Comb., 2016)

Lattice paths and (n - 2)-stack sortable permutations. - Cindy C. Y. Gu; Larry X. W. Wang (J. Comb. Theory A, 2022)