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The Stacks project

[Faltings-annulators].

Proposition 51.11.1. Let A be a Noetherian ring which has a dualizing complex. Let T \subset \mathop{\mathrm{Spec}}(A) be a subset stable under specialization. Let s \geq 0 an integer. Let M be a finite A-module. The following are equivalent

  1. H^ i_ T(M) is a finite A-module for i \leq s, and

  2. for all \mathfrak p \not\in T, \mathfrak q \in T with \mathfrak p \subset \mathfrak q we have

    \text{depth}_{A_\mathfrak p}(M_\mathfrak p) + \dim ((A/\mathfrak p)_\mathfrak q) > s

Proof. Formal consequence of Proposition 51.10.1 and Lemma 51.7.1. \square


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