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math.CO2013
On total colorings of 1-planar graphs
Xin Zhang, Jianfeng Hou, Guizhen Liu
A graph is 1-planar if it can be drawn on the plane so that each edge is crossed by at most one other edge. In this paper, we confirm the total-coloring conjecture for 1-planar gra…
math.CO2012
3-Factor-criticality of vertex-transitive graphs
Heping Zhang, Wuyang Sun
A graph of order is -factor-critical, where is an integer of the same parity as , if the removal of any set of vertices results in a graph with a perfect matching…