When are IG-projective modules projective?
classification
🧮 math.RT
keywords
ig-projectiveprojectivefinitelygeneratedmodulewhencommutativeconcerns
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This paper concerns when a finitely generated IG-projective module is projective over commutative Noetherian local rings. We prove that a finitely generated IG-projective module is projective if and only if it is selforthogonal.
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