On the Maximum SC Index of Chemical Unicyclic Graphs

被引：0
作者：
Cheng, Hui-Yan [1 ]
Chen, Lei [2 ]
Alyar, Sattar [3 ]
机构：
[1] Zhengzhou Technol & Business Univ, Dept Basic Educ, Zhengzhou 451400, Peoples R China
[2] Anhui Xinhua Univ, Gen Educ Dept, Hefei 230088, Peoples R China
[3] Azarbaijan Shahid Madani Univ, Dept Math, Tabriz, Iran
来源：
JOURNAL OF MATHEMATICS | 2025年 / 2025卷 / 01期
关键词：
chemical graphs; maximum value; sum-connectivity index; unicyclic graphs; TREES;
D O I：
10.1155/jom/9915007
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The sum-connectivity (SC) index of a graph G is defined as SCG=& sum;mu nu is an element of EG1/Theta mu+Theta nu, where Theta mu denotes the vertex degree of mu in G. In this paper, the fourth largest value of SC index for the chemical unicyclic graphs of order n >= 7 is determined.
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页数：7
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