Up to a double cover, every regular connected graph is isomorphic to a Schreier graph
arXiv:2010.06431 · doi:10.36045/j.bbms.210416
Abstract
We prove that every connected locally finite regular graph has a double cover which is isomorphic to a Schreier graph.
6 pages, 2 figures. V2: Final version, to appear in Bulletin of the Belgian Mathematical Society - Simon Stevin