The Relation Between Hamiltonian and 1-Tough Properties of the Cartesian Product Graphs. - Louis Kao; Chih-wen Weng (Graphs Comb., 2021)

Three New Refined Arnold Families. - Sen-Peng Eu; Louis Kao (Electron. J. Comb., 2023)

Colored q-Stirling and q-Lah numbers: A new view continued. - Sen-Peng Eu; Louis Kao; Juei-Yin Lin (Adv. Appl. Math., 2025)