Edge-Diameter of a Graph and Its Longest Cycles. - Lei Zhang 225; Liming Xiong; Jianhua Tu (Graphs Comb., 2023)

Maximum dissociation sets in subcubic trees. - Lei Zhang 225; Jianhua Tu; Chunlin Xin (J. Comb. Optim., 2023)

On the maximum number of maximum dissociation sets in trees with given dissociation number. - Jianhua Tu; Lei Zhang 225; Junfeng Du (Discret. Math., 2024)

Upper bound for the number of maximal dissociation sets in trees. - Ziyuan Wang; Lei Zhang 225; Jianhua Tu; Liming Xiong (Discret. Math., 2025)