A Note on Chemical Trees with Maximal Inverse Sum Indeg Index

被引：0
|
作者：
Jiang, Yisheng [1 ]
Chen, Xiaodan [1 ,2 ]
Lin, Wenshui [3 ]
机构：
[1] Tsinghua Univ, Dept Math Sci, Beijing 100084, Peoples R China
[2] Guangxi Univ, Coll Math & Informat Sci, Nanning 530004, Peoples R China
[3] Xiamen Univ, Sch Informat, Xiamen 361005, Peoples R China
来源：
MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY | 2021年 / 86卷 / 01期
关键词：
UPPER-BOUNDS;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Let G be a simple graph with vertex set V(G) and edge set E(G). The inverse sum indeg index of G is defined as ISI(G) = Sigma(uv is an element of E(G) )d(u)d(v)/d(u)+d(v), where d(u) is the degree of vertex u is an element of V(G). This index has a nice predicting ability for the total surface area of octane isomers. In this note, we completely characterize the structure of chemical trees with the maximal inverse sum indeg index, which resolves a problem posed by Sedlar, Stevanovic, and Vasilyev (2015).
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页码：29 / 38
页数：10
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