New Equidistributions on Plane Trees and Decompositions of $132$-Avoiding Permutations. - Zi-Wei Bai; Ricky X. F. Chen (Electron. J. Comb., 2024)

Explicit formulas for a family of hypermaps beyond the one-face case. - Zi-Wei Bai; Ricky X. F. Chen (J. Comb. Theory, Ser. A, 2024)

Computing triple and double Hurwitz numbers involving a branch point with a two-part profile. - Zi-Wei Bai; Ricky X. F. Chen (Adv. Appl. Math., 2025)