Survey of Sombor-Type Degree-Based Topological Indices
Abstract
The Sombor index is a graph invariant, defined as the sum over all edges uv (pairs of adjacent vertices u and v) of the term d(u) 2 + d(v) 2 , where d(u) denotes the degree of the vertex u.It was invented in 2021.Since then, remarkably many of its variants were proposed and considered in the literature.This survey provides an exhaustive list of these variants, restricted to those that depend solely on vertex degree.
Fields of Study & Subjects
Topological and Geometric Data Analysis
Graph theory and applications
Rough Sets and Fuzzy Logic
Publication details
- Journal / source
- match Communications in Mathematical and in Computer Chemistry
- Publisher
- University Library in Kragujevac
- Volume
- 3
- Issue
- 96
- Pages
- 819–819
- Publication date
- 12 March 2026