A note on the vertex arboricity of signed graphs. - Weichan Liu; Chen Gong; Lifang Wu; Xin Zhang (CoRR, 2017)

Total Coloring of Outer-1-planar Graphs: The Cold Case. - Weichan Liu; Xin Zhang 017 (AAIM, 2020)

Hypergraph incidence coloring. - Weichan Liu; Guiying Yan (Discret. Math., 2023)

Equitable coloring of sparse graphs. - Weichan Liu; Xin Zhang (CoRR, 2024)

Weak-Dynamic Coloring of Graphs Beyond-Planarity. - Weichan Liu; Guiying Yan (Graphs Comb., 2024)

Independent transversal blow-up of graphs. - Tianjiao Dai; Weichan Liu; Xin Zhang (CoRR, 2025)

Equitable Vertex Arboricity of Graphs with Low Maximum Degree. - Ping Chen; Weichan Liu; Xin Zhang 017 (Graphs Comb., 2025)

Odd coloring of 2-boundary planar graphs and beyond. - Weichan Liu; Mengke Qi; Xin Zhang 017 (Discret. Appl. Math., 2026)