L(2, 1)-Labeling Halin Graphs with Maximum Degree Eight. - Haizhen Qiu; Yushi Che; Yiqiao Wang 002 (Symmetry, 2023)

An identifying operation on a 1-planar graph with an application to acyclic coloring. - Qiuyue Tan; Haizhen Qiu; Yiqiao Wang 002; Kan Wang (Appl. Math. Comput., 2026)