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.

引用

页数：7

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