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On a characterization of cofinite complexes. Addendum to “On a category of cofinite modules which is abelian”. (English) Zbl 1278.13016
The author proves Lemma 8 of his paper [Math. Z. 269, No. 1-2, 587–608 (2011; Zbl 1228.13020)] (stated their without proof) by giving “a characterization of cofinite complexes over complete regular rings in terms of hyperexts”.

MSC:
13D45 Local cohomology and commutative rings
13D09 Derived categories and commutative rings
13D03 (Co)homology of commutative rings and algebras (e.g., Hochschild, André-Quillen, cyclic, dihedral, etc.)
18G15 Ext and Tor, generalizations, Künneth formula (category-theoretic aspects)
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References:
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