On augmented zagreb index of molecular graphs

被引：0
|
作者：
Du, Jian-Wei [1 ,2 ]
Shao, Yan-Ling [1 ]
Sun, Xiao-Ling [1 ]
机构：
[1] School of Science, North University of China, Taiyuan, China
[2] School of Information and Communication Engineering, North University of China, Taiyuan, China
来源：
Journal of Donghua University (English Edition) | 2015年 / 32卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Forestry;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The augmented Zagreb index displays a good correlation with the formation heat of octanes and heptanes. The augmented Zagreb index of catacondensed hexagonal systems and molecular trees was discussed. By using the methods of analysis of graph structure and mathematical induction, the catacondensed hexagonal systems with extreme augmented Zagreb index were characterized. The lower bound for augmented Zagreb index of molecular trees with fixed numbers of pendent vertices was given, and the extremal trees were characterized. From these results, we can compare the formation heat of catacondensed hexagonal systems and molecular trees. Copyright © 2015 by Editorial Board of Journal of Donghua University, Shanghai China.
引用
收藏
页码：442 / 445
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