关于具有固定最大度的非二分连通图的最小无符号拉普拉斯特征值
On the least signless Laplacian eigenvalue of a non-bipartite connected graph with fixed maximum degree.
作者信息
Guo Shu-Guang, Zhang Rong
机构信息
School of Mathematics and Statistics, Yancheng Teachers University, Yancheng, Jiangsu 224002 P.R. China.
出版信息
J Inequal Appl. 2017;2017(1):120. doi: 10.1186/s13660-017-1395-y. Epub 2017 May 22.
Abstract
In this paper, we determine the unique graph whose least signless Laplacian eigenvalue attains the minimum among all non-bipartite unicyclic graphs of order with maximum degree Δ and among all non-bipartite connected graphs of order with maximum degree Δ, respectively.
摘要
在本文中，我们分别确定了在所有阶为 且最大度为Δ的非二分单圈图中以及在所有阶为 且最大度为Δ的非二分连通图中，其最小无符号拉普拉斯特征值达到最小值的唯一图。
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