Another Proof of Oscar Rojo's Theorems
Combinatorics
2010-11-16 v1 Spectral Theory
Abstract
We present here another proof of Oscar Rojo's theorems about the spectrum of graph Laplacian on certain balanced trees, by taking advantage of the symmetry properties of the trees in question, and looking into the eigenfunctions of Laplacian.
Keywords
Cite
@article{arxiv.1011.3361,
title = {Another Proof of Oscar Rojo's Theorems},
author = {Hao Chen and Jürgen Jost},
journal= {arXiv preprint arXiv:1011.3361},
year = {2010}
}
Comments
9 pages, 4 figures