Abstract

A molecular descriptor is a real valued number related to a molecular graph and is a structural invariant. Molecular Descriptors(Topological Indices) are the significant numerical quantities in the fields of chemical graph theory. Quantitative structure-property relationships (QSPR)and structure-activity relationships (SAR) of the polycyclic aromatic hydrocarbon compounds necessitate expressions for the molecular topological features of these compounds. Topological indices are vital devices for investigating chemical compounds to comprehend the fundamental topology of chemical structures. Ev-degree and ve-degree based topological indices are two novel degrees based indices as of late defined in graph theory. Ev-degree and ve-degree based molecular descriptor (topological indices) have been defined as corresponding to their relating partners. In this paper, we have computed topological indices based on ev-degree and ve-degree for the Polycyclic Aromatic Hydrocarbon $(PA{H}_n).$

摘要

分子描述符是与分子图相关的实数值并且是结构不变量。分子描述符（拓扑索引）是化学图论领域的重要数值量。多环芳烃化合物的定量构效关系（QSPR）和构效关系（SAR）需要表达这些化合物的分子拓扑特征。拓扑指数是研究化合物以了解化学结构的基本拓扑的重要工具。基于 Ev 度和 ve 度的拓扑索引是最近在图论中定义的两个新的基于度的索引。基于 Ev 度和 ve 度的分子描述符（拓扑指数）已被定义为对应于它们的相关伙伴。$(磷\mathrm{一个}{H}_n).$