摘要
该文根据图的顶点数、边数、最大度和最小度,利用矩阵的迹得出图的拟拉普拉斯矩阵特征值的界.
In this paper,we obtain the bounds of eigenvalues of signless Laplacian matrices by using their traces in the terms of vertex number,edge number,maximum degree and minimum degree.
作者
郑学谦
ZHENG Xue-qian(College of Business,Shanxi University,Taiyuan 030031,China)
出处
《广西师范学院学报(自然科学版)》
2018年第4期30-32,共3页
Journal of Guangxi Teachers Education University(Natural Science Edition)
关键词
界
图的拟拉普拉斯矩阵
矩阵的迹
bound
signless laplacian matrix of graph
matrices trace