Almost QF rings and almost \(\text{QF}^ \#\) rings

zbMath0807.16003MaRDI QIDQ1327630

Manabu Harada

Publication date: 12 July 1994

Published in: Osaka Journal of Mathematics (Search for Journal in Brave)

zbMATH Keywords

almost projective modulesprojective direct summandalmost injective modulesright almost \(\text{QF}^ \#\) ringright almost QF ringright co-\(H\) ringtwo-sided artinian ring

Mathematics Subject Classification ID

Injective modules, self-injective associative rings (16D50) Free, projective, and flat modules and ideals in associative algebras (16D40) Structure and classification for modules, bimodules and ideals (except as in 16Gxx), direct sum decomposition and cancellation in associative algebras) (16D70) Quasi-Frobenius rings (16L60) Artinian rings and modules (associative rings and algebras) (16P20)

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Almost projective modules and generalized projective modules, Self-duality and Harada rings