Neat-phantom and clean-cophantom morphisms

L Mao - Journal of Algebra and Its Applications, 2021 - World Scientific
Let ℱ 𝒫∞ R be the class of all left R-modules M which has a projective resolution by finitely
generated projectives. An exact sequence 0→ A→ B→ C→ 0 of right R-modules is called …
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Neat-phantom and clean-cophantom morphisms.

L Mao - Journal of Algebra & Its Applications, 2021 - search.ebscohost.com
Abstract Let ℱ∞ R be the class of all left R-modules M which has a projective resolution by
finitely generated projectives. An exact sequence 0→ A→ B→ C→ 0 of right R-modules is …