Abdollahi–Akbari–Maimani order conjecture for non-commuting graphs

From papers

Let GG and HH be non-abelian finite groups. For a finite non-abelian group KK, let ΓK\Gamma_K be the graph whose vertices are the non-central elements of KK, with two vertices adjacent when they do not commute. Abdollahi–Akbari–Maimani order conjecture. If

ΓGΓH,\Gamma_G\cong\Gamma_H,

then

G=H.|G|=|H|.

The conjecture concerns whether the non-commuting graph determines the order of a finite group. It is known for pp-groups, dihedral groups, and simple groups, but remains open in general; the source also notes that it suffices to establish it for finite AC-groups.

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Sources & referencesView supporting material

Primary source

Valentina Grazian and Carmine Monetta, “A conjecture related to the nilpotency of groups with isomorphic non-commuting graphs”, arXiv:2302.01770 (2023).

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