Modified Sombor index of trees with a given diameter

The modified Sombor index of a graph $G$ is defined as the sum of weights $1/\sqrt{d^{2}_u+d^{2}_v}$ over all edges $uv$ of $G$, where $d_u$ and $d_v$ are the degreesof the vertices $u$ and $v$ in $G$, respectively. In this paper, we give some relations betweenthe modified Sombor index and diameter of graphs.

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Publication Details

Journal
Boletim da Sociedade Paranaense de Matemática
Published
2025-07-13
DOI
https://doi.org/10.5269/bspm.62814
Primary Topic
Graph theory and applications
Type
article
Field-Weighted Citation Impact
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article

Modified Sombor index of trees with a given diameter

Murat Cancan, Amir Taghi Karimi, Akbar Jahanbani
Boletim da Sociedade Paranaense de Matemática
Graph theory and applications
article

Modified Sombor index of trees with a given diameter

Murat Cancan, Amir Taghi Karimi, Akbar Jahanbani
article en

Abstract

The modified Sombor index of a graph $G$ is defined as the sum of weights $1/\sqrt{d^{2}_u+d^{2}_v}$ over all edges $uv$ of $G$, where $d_u$ and $d_v$ are the degreesof the vertices $u$ and $v$ in $G$, respectively. In this paper, we give some relations betweenthe modified Sombor index and diameter of graphs.

Boletim da Sociedade Paranaense de Matemática
Van Yüzüncü Yıl Üniversitesi (TR), Azarbaijan Shahid Madani University (IR), Payame Noor University (IR)
Openalex Percentile: Top 18%
Graph theory and applications
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