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Page 1 COMMUNICATIONS IN ALGEBRA, 27(2), 785-791 (1999) On a characterization of …

A CHARACTERIZATION OF LEFT PERFECT RINGS Page 1 Canad. Math. Bull. Vol. 38 (3),
1995 pp. 382-384 A CHARACTERIZATION OF LEFT PERFECT RINGS YIQIANG ZHOU …

The pioneering work on perfect rings was clone by Bass [3] ard most of the principal
characterizations of lcft perfect rings are contained in [3, Theorem PI.(See Anderson and …

We characterize semiperfect modules? semiperfect rings, and perfect rings using locally
projective covers and generalized locally projective covers, where locally projective …

Full article: On Generalized Perfect Rings Skip to Main Content Taylor and Francis Online
homepage Taylor and Francis Online homepage Log in | Register Cart 1.Home 2.All Journals …

In Bican et al., it is proved that all modules over an arbitrary ring have flat covers. In this
article, we shall study rings over which flat covers of finitely generated modules are …

The notion of generalized projective covers Is Introduced to give a natural generalization of
a theorem of Bass on perfect rings. Moreover, In terms of this notion, some characterizations …

We construct a family of semiprimitive and non von Neumann regular rings satisfying that
any right or left module is isomorphic to a quotient of its flat cover (in the sense of Enochs) by …

In this note all rings considered are associative with an identity element 1 and all modules
are unital left modules. It is shown that a commutative ring $ R $ has principal ideals …

In this paper we introduce and investigate a class of those rings in which every finitely
generated flat ideal is projective. We establish the transfer of this notion to trivial ring …