Further properties of Zagreb indices

被引:0
|
作者
Zhou, B [1 ]
Gutman, I
机构
[1] S China Normal Univ, Dept Math, Guangzhou 510631, Peoples R China
[2] Univ Kragujevac, Fac Sci, Kragujevac, Serbia Monteneg
关键词
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The first Zagreb index M-1 is equal to the sum of the squares of the degrees of the vertices, and the second Zagreb index M-2 is equal to the sum of the products of the degrees of pairs of adjacent vertices of the underlying molecular graph. We present upper bounds for M-1, and M-2 in terms of the number of vertices, number of edges, minimum vertex degree and maximum vertex degree.
引用
收藏
页码:233 / 239
页数:7
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