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Most Laplacian eigenvalues of a tree are small
Journal of Combinatorial Theory Series B ( IF 1.2 ) Pub Date : 2020-08-06 , DOI: 10.1016/j.jctb.2020.07.003
David P. Jacobs , Elismar R. Oliveira , Vilmar Trevisan

We show that the number of Laplacian eigenvalues less than the average degree 22n of a tree having n vertices is at least n2.



中文翻译:

一棵树的大多数拉普拉斯特征值很小

我们表明,拉普拉斯特征值的数量小于平均度 2-2ñ具有n个顶点的树的长度至少为ñ2

更新日期:2020-08-06
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