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Dalfo, C.; Fiol, M. A.; Pavlikova, S. and Širáň, Jozef
(2019).
URL: http://www.iam.fmph.uniba.sk/amuc/ojs/index.php/am...
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).