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K5×Sn的交叉数On the Crossing Numbers of K5×Sn |
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<<数学研究与评论>>2008年 第28卷 第03期
作者: 吕胜祥, 黄元秋,
期刊-核心期刊 QCode : sxyjypl200803001
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.
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