Math 2.0

Combinatorics Theorem

Sabidussi's Theorem

Statement

An (unlabeled and uncolored) directed graph Γ\Gamma is a Cayley graph of a group GG if and only if it admits a simply transitive action of GG by graph automorphisms (i.e., preserving the set of directed edges).

Further reading

  1. Wikipedia, page 358277, revision 1363694726, Cayley graph, section Characterization. adopted
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