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Cospectral lifts of graphs

Research paper by F. Ramezani

Indexed on: 11 Jan '16Published on: 11 Jan '16Published in: Mathematics - Combinatorics



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.