Title : ( Sombor Index Under Some Graph Products )
Authors: Irandokht Rezaee Abdolhosseinzadeh , Freydoon Rahbarnia , Mostafa Tavakoli ,
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Abstract
Let G = (V, E) be a graph with vertex set V (G) and edge set E(G). The Sombor index of a graph G, SO(G), is defined as ∑ uv∈E(G) √d2 u + d2 v , where du is the degree of vertex u in V (G). In the present paper, we determine a lower bound for the Sombor index of edge corona, R-edge and R-vertex corona products of two graphs. We also compute the exact value for the Sombor index of the line graphs of subdivision of tadpole, ladder and wheel graphs
Keywords
, Sombor index, edge corona, R-vertex corona, line graphs, subdi- vision of tadpole grap
@article{paperid:1093562,
author = {ایراندخت رضائی عبدالحسین زاده and Rahbarnia, Freydoon and Tavakoli, Mostafa},
title = {Sombor Index Under Some Graph Products},
journal = {Mathematics Interdisciplinary Research},
year = {2022},
volume = {7},
number = {4},
month = {December},
issn = {2538-3639},
pages = {331--342},
numpages = {11},
keywords = {Sombor index; edge corona; R-vertex corona; line graphs; subdi-
vision of tadpole grap},
}
%0 Journal Article
%T Sombor Index Under Some Graph Products
%A ایراندخت رضائی عبدالحسین زاده
%A Rahbarnia, Freydoon
%A Tavakoli, Mostafa
%J Mathematics Interdisciplinary Research
%@ 2538-3639
%D 2022
