Vertex-disjoint cycles of length at most four each of which contains a specified vertex

被引:0
作者
Ishigami, Y [1 ]
机构
[1] Univ Electrocommun, Dept Informat & Commun Engn, Tokyo 1828585, Japan
[2] Univ Illinois, Dept Math, Urbana, IL 61801 USA
关键词
cycle; quadrilateral; degree;
D O I
10.1002/jgt.1002
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We obtain a sharp minimum degree condition delta (G) greater than or equal to right perpendicular rootn+k2 - 3k + 1 left perpendicular + 2k - 1 of a graph G of order n greater than or equal to 3k guaranteeing that, for any k distinct vertices, G contains k vertex-disjoint cycles of length at most four each of which contains one of the k prescribed vertices. (C) 2001 John Wiley & Sons, Inc.
引用
收藏
页码:37 / 47
页数:11
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2-W