For any exact category A with splitting idempotents, a maximal exact category T (A)
containing A as a biresolving subcategory, is constructed. Important types of exact …

Let X be an additive full subcategory of an abelian category. It is a classical fact that if X is
contravariantly finite, then the category modX of finitely presented right X-modules is …

Let R be a ring, and let M, N be R-modules. It is a natural question to ask whether or how
one can build M out of N by iteration of fundamental operations such as direct sums, direct …

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Totally Reflexive Modules Over Connected Sums with m3 =0 Page 1 J CA JOURNAL OF
COMMUTATIVE ALGEBRA Volume 13 (2021), No. 4, 571–582 DOI: 10.1216 / jca.2021.13.571 c …