Weak covering conjecture for infinite Cayley graphs
Let be an infinite Cayley graph that is not quasi-isometric to . A graph is a cover of if there is a covering map from to ; write when the graphs are not isomorphic. Weak covering conjecture. Every infinite Cayley graph , not quasi-isometric to , covers an infinite transitive graph . This is a weak form of a question of Benjamini and Duminil-Copin concerning coverings of infinite transitive graphs by graphs of bounded girth. The proposed statement is disproved by possible counterexamples arising from Cayley graphs of strongly simple groups.
References
Primary source
Paul-Henry Leemann, “Schreier graphs: transitivity and coverings”, arXiv:1505.03433 (2015).
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