Spectra and eigenspaces of arbitrary lifts of graphs
Combinatorics
2019-09-27 v2
Abstract
We describe, in a very explicit way, a method for determining the spectra and bases of all the corresponding eigenspaces of arbitrary lifts of graphs (regular or not).
Keywords
Cite
@article{arxiv.1903.10776,
title = {Spectra and eigenspaces of arbitrary lifts of graphs},
author = {C. Dalfó and M. A. Fiol and S. Pavlíková and J. Širáň},
journal= {arXiv preprint arXiv:1903.10776},
year = {2019}
}