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
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
收藏
页数:7
相关论文
共 50 条
  • [31] Maximum first Zagreb index of orientations of unicyclic graphs with given matching number
    Yang, Jiaxiang
    Deng, Hanyuan
    APPLIED MATHEMATICS AND COMPUTATION, 2022, 427
  • [32] Unicyclic graphs with extremal Kirchhoff index
    Yang, Yujun
    Jiang, Xiaoyan
    MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY, 2008, 60 (01) : 107 - 120
  • [33] On the Eccentric Connectivity Index of Unicyclic Graphs
    Nacaroglu, Yasar
    Maden, Ayse Dilek
    IRANIAN JOURNAL OF MATHEMATICAL CHEMISTRY, 2018, 9 (01): : 47 - 56
  • [34] Some results on the index of unicyclic graphs
    Belardo, Francesco
    Li Marzi, Enzo Maria
    Simic, Slobodan K.
    LINEAR ALGEBRA AND ITS APPLICATIONS, 2006, 416 (2-3) : 1048 - 1059
  • [35] Unicyclic graphs with extremal Lanzhou index
    Liu Qian-qian
    Li Qiu-li
    Zhang He-ping
    APPLIED MATHEMATICS-A JOURNAL OF CHINESE UNIVERSITIES SERIES B, 2022, 37 (03) : 350 - 365
  • [36] Unicyclic graphs with extremal Lanzhou index
    LIU Qian-qian
    LI Qiu-li
    ZHANG He-ping
    Applied Mathematics:A Journal of Chinese Universities, 2022, 37 (03) : 350 - 365
  • [37] On the degree Kirchhoff index of unicyclic graphs
    Qi, Xuli
    Zhou, Bo
    DISCRETE APPLIED MATHEMATICS, 2020, 284 (284) : 86 - 98
  • [38] On Harmonic Index and Diameter of Unicyclic Graphs
    Jerline, J. Amalorpava
    Michaelraj, L. Benedict
    IRANIAN JOURNAL OF MATHEMATICAL SCIENCES AND INFORMATICS, 2016, 11 (01): : 115 - 122
  • [39] Degree Kirchhoff Index of Unicyclic Graphs
    Feng, Lihua
    Gutman, Ivan
    Yu, Guihai
    MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY, 2013, 69 (03) : 629 - 648
  • [40] Minimum and Maximum Resistance Status of Unicyclic Graphs
    Meiqun CHENG
    Bo ZHOU
    JournalofMathematicalResearchwithApplications, 2022, 42 (05) : 463 - 475