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一个六阶图F与Sn的笛卡尔积交叉数

On the Crossing Numbers of F×S_n
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摘要 把F的六个顶点与另外n个顶点都连边得到一类特殊的图Hn.本文证明了Hn的交叉数为Z(6,n)+2[n/2],并在此基础上证明了一个六阶图F与Sn的笛卡尔积交叉数为Z(6,n)+2[n/2]. By connecting the 6 vertices of F to other n vertices will obtain a special family of graph denoted by Hn. In this paper, we proved that the crossing number of Hn is Z(6, n) + 2[ n/2], and the crossing number of Cartesian products of F with star K1,n is Z(6, n) +2[n/2].
出处 《吉林师范大学学报(自然科学版)》 2008年第4期14-16,共3页 Journal of Jilin Normal University:Natural Science Edition
基金 国家自然科学基金项目(10771062) 湖南省教育厅重点资助项目(05A037) 校级青年基金课题(2008QN21)
关键词 交叉数 笛卡尔积 crossing number star cartesian product
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参考文献6

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