Extremal hexagonal chains concerning largest eigenvalue

被引：34
作者：
Zhang, LZ [1 ]
Tian, F
机构：
[1] Zhangzhou Teachers Coll, Dept Math, Zhangzhou 363000, Peoples R China
[2] Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100080, Peoples R China
来源：
SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY | 2001年 / 44卷 / 09期
基金：
中国国家自然科学基金;
关键词：
hexagonal chain; helicene chain; eigenvalue; roll-attaching operation;
D O I：
10.1007/BF02877425
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we define a roll-attaching operation of a hexagonal chain, and prove Gutman's conjecture affirmatively by using the operation. The idea of the proof is also applicable to the results concerning extremal hexagonal chains for the Hosoya index and Merrifield-Simmons index.
引用
收藏
页码：1089 / 1097
页数：9
相关论文
共 10 条
1