Acyclic molecules with second maximal energy

被引:1
作者
Ou, Jianping [1 ]
机构
[1] Wuyi Univ, Dept Math & Phys, Jiangmen 529020, Peoples R China
基金
中国国家自然科学基金;
关键词
Energy; Acyclic graph; Matching; Molecule; pi-electron; CONJUGATED MOLECULES; GRAPHS;
D O I
10.1016/j.aml.2006.04.027
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The sum of the absolute values of all eigenvalues of A (G), the adjacency matrix of graph G, is defined as the energy of G. Acyclic molecular graphs with second maximal energy are characterized in this work. They are all n-vertex trees obtained by pasting an endpoint of path P(n-4) to the middle vertex of P(5) if the order n >= 6. (C) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:343 / 346
页数:4
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