New Bounds for Some Topological Indices

Havva Kirgiz, A. D. Maden
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Abstract

The biological, chemical, and structural properties of molecular graphs can be predicted by using topological indices. The lower and upper bounds of fundamental topological indices are well-studied. In this paper, by using comparison theorem for integrals, we obtain new bounds for some topological indices namely, Randić index, Sombor index, harmonic index and forgotten index.
一些拓扑指标的新界
分子图的生物、化学和结构性质可以用拓扑指数来预测。基本拓扑指标的下界和上界得到了很好的研究。本文利用积分的比较定理,得到了一些拓扑指标即randiovic指标、Sombor指标、调和指标和遗忘指标的新界。
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