The operators Fi on permutations, 132-avoiding permutations and inversions. - Shao-Hua Liu 001 (Discret. Math., 2019)

An involution on increasing trees. - Shao-Hua Liu 001 (Discret. Math., 2019)

MacMahon's equidistribution theorem for k-Stirling permutations. - Shao-Hua Liu 001 (Adv. Appl. Math., 2021)

Generalized Darboux transformation, solitonic interactions and bound states for a coupled fourth-order nonlinear Schrödinger system in a birefringent optical fiber. - Meng Wang 026; Bo Tian; Cong-Cong Hu; Shao-Hua Liu 001 (Appl. Math. Lett., 2021)

Breather, lump, shock and travelling-wave solutions for a (3+1)-dimensional generalized Kadomtsev-Petviashvili equation in fluid mechanics and plasma physics. - Shao-Hua Liu 001; Bo Tian; Qi-Xing Qu; He Li; Xue-Hui Zhao; Xia-Xia Du; Su-Su Chen (Int. J. Comput. Math., 2021)

Mahonian and Euler-Mahonian statistics for set partitions. - Shao-Hua Liu 001 (J. Comb. Theory A, 2022)

Statistics on trapezoidal words and k-inversion sequences. - Shao-Hua Liu 001 (Discret. Appl. Math., 2023)

The Haglund-Remmel-Wilson identity for k-Stirling permutations. - Shao-Hua Liu 001 (Eur. J. Comb., 2023)

The Haglund-Remmel-Wilson identity for set partitions. - Shao-Hua Liu 001 (Discret. Math., 2023)

r-Euler-Mahonian statistics on permutations. - Shao-Hua Liu 001 (J. Comb. Theory, Ser. A, 2024)