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math.AC2012
Cohomologically Cofinite Complexes
Marco Porta, Liran Shaul, Amnon Yekutieli
Let A be a commutative noetherian ring, and \a an ideal in it. In this paper we continue the study, begun in [PSY1], of the derived \a-adic completion and the derived \a-torsion fu…
math.AC2012
Completion by Derived Double Centralizer
Marco Porta, Liran Shaul, Amnon Yekutieli
Let A be a commutative ring, and let \a be a weakly proregular ideal in A. (If A is noetherian then any ideal in it is weakly proregular.) Suppose M is a compact generator of the c…