Computing Gutman Connection Index of Thorn Graphs

Muhammad Javaid, Muhammad Khubab Siddique, Ebenezer Bonyah and Muhammad Imran

Journal of Mathematics, 2021, vol. 2021, 1-13

Abstract: Chemical structural formula can be represented by chemical graphs in which atoms are considered as vertices and bonds between them are considered as edges. A topological index is a real value that is numerically obtained from a chemical graph to predict its various physical and chemical properties. Thorn graphs are obtained by attaching pendant vertices to the different vertices of a graph under certain conditions. In this paper, a numerical relation between the Gutman connection (GC) index of a graph and its thorn graph is established. Moreover, the obtained result is also illustrated by computing the GC index for the particular families of the thorn graphs such as thorn paths, thorn rods, thorn stars, and thorn rings.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:2289514

DOI: 10.1155/2021/2289514

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