Unmixed local rings with minimal Hilbert-Kunz multiplicity are regular

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/65033We give a new and simple proof that unmixed local rings having Hilbert-Kunz multiplicity equal to 1 must be regular.Commutative Algebra13D40,13A30,13H10Unmixed local rings with minimal Hilbert-Kunz multiplicity are regulartext