Spectra and eigenspaces of arbitrary lifts of graphs.

C. Dalfó,Miguel Angel Fiol,S. Pavlíková,Jozef Širáň

Spectra and eigenspaces of arbitrary lifts of graphs.

2019

C. Dalfó
Miguel Angel Fiol
S. Pavlíková
Jozef Širáň

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:

Combinatorics
Discrete mathematics
Mathematics
Spectral line
Graph

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