Definition 33.39.3. Let $A$ be a reduced Nagata local ring of dimension $1$. The $\delta $-invariant of $A$ is $\text{length}_ A(A'/A)$ where $A'$ is as in Lemma 33.39.2.
Definition 33.39.3. Let $A$ be a reduced Nagata local ring of dimension $1$. The $\delta $-invariant of $A$ is $\text{length}_ A(A'/A)$ where $A'$ is as in Lemma 33.39.2.
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