期刊
DISCRETE MATHEMATICS
卷 233, 期 1-3, 页码 353-359出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0012-365X(00)00251-X
关键词
graph; drawing; crossing number; path; Cartesian product
类别
For two graphs defined from K-5 by removing one edge or two nonadjacent edges we prove that the crossing number of Cartesian product of the graph with the path of length n is 4n and 3n-1, respectively These results complete the crossing numbers list of Cartesian products of ail 5-vertex graphs with paths. We also give a description of Cartesian products of 5-vertex graphs with cycles and stars, whose crossing numbers are known. (C) 2001 Elsevier Science B.V. All rights reserved.
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