From the definition of the line graph,this paper extensively researches the characters of the line graph.The connection of the line graph,the calculation of the L(G) and when L(G) is isomorphic to graph G.are emphasized.The vertex connectivity of the L(G)
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雷澜 王斌. L(G)图的若干性质[J].重庆工商大学学报(自然科学版),2005,(1): LEI Lan, WANG Bin. Some characters of the line graph[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2005,(1):