Cospectral lifts of graphs
Combinatorics
2016-01-12 v1
Abstract
We prove that for a pair of cospectral graphs G and H, there exist their non trivial lifts G0 and H0 which are cospectral. More over for a pair of cospectral graphs on 6 vertices, we find some cospectral lifts of them.
Keywords
Cite
@article{arxiv.1601.02354,
title = {Cospectral lifts of graphs},
author = {F. Ramezani},
journal= {arXiv preprint arXiv:1601.02354},
year = {2016}
}
Comments
6 pages, 2 figures