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K5×Sn的交叉数
By connecting the 5 vertices of K5 to other n vertices, we obtain a special family of graph denoted by Hn. This paper proves that the crossing number of Hn is Z(5, n) +2n+[n/2] 1, and the crossing number of Cartesian products of K5 with star Sn is Z(5, n) + 5n + [n/2]+1.
作 者： 吕胜祥 黄元秋 L(U) Sheng Xiang HUANG Yuan Qiu 作者单位： 吕胜祥,L(U) Sheng Xiang(Department of Mathematics, Beijing Jiaotong University, Beijing 100044, China)黄元秋,HUANG Yuan Qiu(Department of Mathematics, Normal University of Hunan, Hunan 410081, China)
刊 名： 数学研究与评论 ISTIC PKU 英文刊名： JOURNAL OF MATHEMATICAL RESEARCH AND EXPOSITION 年，卷(期)： 2008 28(3) 分类号： O157.5 关键词： graph drawing crossing number star Cartesian products【K5×Sn的交叉数】相关文章：
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