Higher phantom morphisms with respect to a subfunctor of Ext

L Mao - Algebras and Representation Theory, 2019 - Springer
A morphism f: M→ N f:M→N of left R-modules is called an n-phantom morphism (resp. a Tor
n-epimorphism) if the induced morphism Tor n (A, f)= 0 (resp. Tor n (A, f) is an epimorphism) …
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Higher Phantom Morphisms with Respect to a Subfunctor of Ext.

L Mao - Algebras & Representation Theory, 2019 - search.ebscohost.com
A morphism f: M→ N of left R-modules is called an n-phantom morphism (resp. a Tor< sub>
n-epimorphism) if the induced morphism Tor< sub> n(A, f)= 0 (resp. Tor< sub> n(A, f) is an …