A study of strongly Cohen-Macaulay ideals by delta invariant

Mohammad T. Dibaei, Yaser Khalatpour

Let $R$ be a Cohen-Macaulay local ring, $I$ a strongly Cohen-Macaulay ideal of $R$. We show that $R/{\mathrm{Ann}}_R(I)$ is a maximal Cohen-Macaulay $R$-module by means of the delta-inv…