In this note, we introduce the concept of factored lift, associated with a combined voltage graph, as a generalization of the lift graph. We present a new method for computing the eigenvalues and eigenspaces of factored lifts.
@article{arxiv.2404.02128,
title = {On factored lifts of graphs and their spectra},
author = {C. Dalfó and M. A. Fiol and S. Pavlíková and J. Sirán},
journal= {arXiv preprint arXiv:2404.02128},
year = {2024}
}