On the atom-bond sum-connectivity index of chemical graphs

被引：13
|
作者：
Zuo, Xuewu [1 ]
Jahanbani, Akbar [2 ]
Shooshtari, Hajar [2 ]
机构：
[1] Anhui Xinhua Univ, Dept Common Course, Hefei 230088, Peoples R China
[2] Azarbaijan Shahid Madani Univ, Dept Math, Tabriz, Iran
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2024年 / 1296卷
关键词：
The atom-bond sum-connectivity index; Chemical graphs;
D O I：
10.1016/j.molstruc.2023.136849
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The atom-bond sum-connectivity (ABS) index of a given graph G is symbolized with ABS and define by sum of the weights root d(u) + d(v)(-2)/d(u) + d(v) , where d(u) is the degree of a vertex u in G. In this paper, the extremal atom-bond sum-connectivity index among all n-vertex chemical trees, connected chemical unicyclic graphs, connected chemical bicyclic graphs, and connected chemical tricyclic graphs, were determined.
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页数：7
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