2019/03/26 by C. Dalfó, Dalfó, C., M. A. Fiol +5 · 2 citations
Mathematics · #05C20 #05C50 #15A18 #Combinatorics (math.CO) #FOS: Mathematics #math.CO #msc:05C20 #msc:05C50 #msc:15A18
paper · pdf · doi:10.48550/arxiv.1903.10776
arxiv created 2019/09/26 · arxiv updated 2019/09/27
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).