Babai–Godsil–Imrich–Lovász conjecture on generic GRRs
Babai–Godsil–Imrich–Lovász conjecture on generic GRRs
Let ) be a group of order which is neither abelian nor generalised dicyclic. An inverse-closed subset of satisfies . A graphical regular representation (GRR) is a Cayley graph whose automorphism group is precisely the right-regular representation of .
Babai–Godsil–Imrich–Lovász conjecture. The proportion of inverse-closed subsets of such that is a GRR goes to as .
The conjecture asserts that, apart from abelian and generalised dicyclic groups, almost every inverse-closed Cayley graph is a GRR. It was recently proved by Dobson and the last two authors, so its status is solved.
Progress summary
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Sources & referencesView supporting material
Primary source
Joy Morris, Pablo Spiga and Gabriel Verret, “Automorphisms of Cayley graphs on generalised dicyclic groups”, arXiv:1310.0618 (2013).
Additional references
2 papers in this index state this conjecture (2013). The statement above is taken from the most recent of them; the others are arXiv:1306.3747.
Source: https://arxiv.org/abs/1310.0618 Babai, Godsil, Imrich and Lovász, Conjecture 2.1 (as attributed in the source)
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