注意温度Sombor指数

Vojnotehnicki Glasnik Pub Date : 2023-01-01 DOI:10.5937/vojtehg71-44132

I. Gutman

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引用次数: 1

摘要

介绍/用途:定义n阶图的顶点温度为d/(n-d)，其中d为顶点度。研究了Sombor指数的温度变化规律，确定了Sombor指数的几个性质。方法:运用组合图理论。结果:得到了温度Sombor指数的极值和边界。结论:本文对Sombor-index-like图不变量理论做出了贡献。

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Note on the temperature Sombor index

Introduction/purpose: The temperature of a vertex of a graph of the order n is defined as d/(n-d), where d is the vertex degree. The temperature variant of the Sombor index is investigated and several of its properties established. Methods: Combinatorial graph theory is applied. Results: Extremal values and bounds for the temperature Sombor index are obtained. Conclusion: The paper contributes to the theory of Sombor-index-like graph invariants.

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