Title: On A-Quasi-Projective Modules and A-Semiperfect Modules
Abstract: If M is A-quasi-projective with (C6) for A, then A is A-semi perfect. K. Oshiro defined the notion dual to the extending property of modules for A in [3]. This dualization leads us to the dualizations of continuous modules and quasi-continuous modules. These are the semiperfect modules and quasi-semiperfect modules. We revisit his paper [3] and give some different proofs from Oshiro which are more simpler and easier than [3].
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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