Shi's recognition-by-spectrum conjecture for finite simple groups
Let be a simple group and let be a group. Write for the order of and let denote the set of element orders of . Shi's conjecture. if and only if
This conjecture asserts that a finite simple group is determined up to isomorphism by its order and spectrum. The supplied text does not state whether it has been resolved.
References
Primary source
Natalia V. Maslova, “On arithmetical properties and arithmetical characterizations of finite groups”, arXiv:2401.04633 (2025).
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