Open Access
Research Article·pp. 2205–2216·Vol. 26, Issue 8Dec 2023
The extremal Sombor index of trees and unicyclic graphs with given matching number
Ting Zhou, Zhen Lin, Lianying Miao
Published Online: 17 Aug 2022DOI: 10.1080/09720529.2021.2015090
In this paper: In 2021, the Sombor index was introduced by Gutman, which is a new vertex-degree-based topological index. The Sombor index of a graph G is defined as , where dG(υ) is the degree of the vertex υ in G....
