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由圈长分布确定的偶图
Bipartite graphs determined by its cycle length distribution
【摘要】 阶为n的图G的圈长分布是序列(c1,c2,…,cn),其中ci是图G中长为i的圈数.得到如下结果:设A■E(Kn,r),|A|=4,n≤r≤m in{n+6,2n-9},则G=Kn,r-A是由它的圈长分布确定的.
【Abstract】 The cycle length distribution of a graph of order n is the sequence(c1,c2,…,cn),where ci is the number of cycles of length i.Let A■E(Kn,r),|A|=4,n≤r≤minn+6,2n-9,then it is shown that G=Kn,r-A is determined by its cycle length distribution.
【关键词】 圈;
圈长分布;
偶图;
圈长分布确定的偶图;
【Key words】 cycle; cycle length distribution; bipartite graph; a bipartite graph determined by its cycle length distribution;
【Key words】 cycle; cycle length distribution; bipartite graph; a bipartite graph determined by its cycle length distribution;
【基金】 辽宁省科学技术基金资助项目(20022021)
- 【文献出处】 黑龙江大学自然科学学报 ,Journal of Natural Science of Heilongjiang University , 编辑部邮箱 ,2007年04期
- 【分类号】O157.5
- 【下载频次】21