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星图S5及5个六阶图与路的笛卡儿积图的交叉数
The Crossing Number of the Cartesian Products of Paths with some 6-vertex Graphs
【摘要】 两个图G1和G2的笛卡尔积图G1×G2是这样一个图:V(G1×G2)=V(G1)×V(G2),E(G1×G2)={(u1,u2)(v1,v2)|u1=v1,且u2、v2∈E(G2)或者u2=v2,且u1、v1∈E(G1)}.星图Sm表示完全偶图K1,m,Pn表示长为n的路.这里确定了星图S5及5个六阶图与路的笛卡儿积图的交叉数.
【Abstract】 The crossing number of the cartesian products of path with star and some 6-vertex graphs were obtained.
- 【文献出处】 湖南文理学院学报(自然科学版) ,Journal of Hunan University of Arts and Science(Science and Technology) , 编辑部邮箱 ,2007年01期
- 【分类号】O157.5
- 【被引频次】15
- 【下载频次】80