Associate Professor
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Li Hao
Associate Professor
主Main research direction：Graph theory; The group coloring and group connectivity properties of graphs; The multi coloring of graphs; Hamiltonian and super Euler properties of
Office：Information building 341 8250-0680&hlimath@ruc.edu.cn
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Scientific research achievements
☆ Group connectivity in line graphs, Discrete Mathematics, 311(2011) 2295-2307.
☆ Mod (2p+1)-orientations in line graphs, Information Processing Letters, 111(2011) 1085-1088.
☆ Group Colorability of Multigraphs, Discrete Mathematics, 313(2013) 101-104.
☆ On the signless Laplacian spectral radius of irregular graphs, Linear Algebra and its Applications, 438(2013) 2280-2288.
☆ Z3-connectivity in Abelian Cayley graphs, Discrete Mathematics, 313(2013) 1666-1676.
☆ Two operations on a graph preserving the (non)existence of 2-factors in its line graph, Czechoslovak Mathematical Journal, 64(139)(2014) 1035-1044.
☆ Supereulerian graphs with width s and s-collapsible graphs, Discrete Applied Mathematics, 200(2016) 79-94.
☆ On the nullity of grid graphs, 南京大学学报数学半年刊, 2017 B15.
☆ Panconnected index of graphs, Discrete Mathematics, 340(2017) 1092-1097.
☆ 3-dynamic coloring and list 3-dynamic coloring of K_{1,3}-free graphs, Discrete Applied Mathematics, 222(2017) 166-171.