The sum of the squares of degrees: Sharp asymptotics

被引:24
|
作者
Nikiforov, Vladimir [1 ]
机构
[1] Univ Memphis, Dept Math Sci, Memphis, TN 38152 USA
关键词
squares of degrees; de Caen's bound;
D O I
10.1016/j.disc.2007.03.019
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let f (n, m) be the maximum of the sum of the squares of degrees of a graph with n vertices and ill edges. Summarizing earlier research, we present a concise, asymptotically sharp upper bound on f (n, m), better than the bound of de Caen for almost all n and m. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:3187 / 3193
页数:7
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