Extending modules are generalizations of injective modules and, dually, lifting modules
generalize projective supplemented modules. There is a certain asymmetry in this duality …

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

Let $ R $ be a ring and $ M $ be a left $ R $-module. $ M $ is called generalized $\oplus $-
supplemented if every submodule of $ M $ has a generalized supplement that is a direct …

The early papers of Hyman Bass in the late 50s and the early 60s leading up to his
pioneering work in algebraic K-theory have played an im-portant and very special role in …

In the present paper, we define generalized (amply) cofinitely supplemented modules, and
generalized⊕-cofinitely supplemented modules are defined as a generalization of (amply) …

Let R be a ring and M be a left R− module. In this work some properties of (amply) cofinitely
Rad-supplemented modules are developed. It is shown that if M contains a nonzero semi …

Let M be a left module over a ring R and I an ideal of R. We call (P, f) a projective I-cover of
M if f is an epimorphism from P to M, P is projective, Kerf⊆ IP, and whenever P= Kerf+ X …

We are interested in studying when the class of local modules is Baer–Kaplansky. We
provide an example showing that even over a commutative semisimple ring R, we can find …

On a characterization of perfect rings<xref ref-type='fn' rid='FN0001'> ^* </xref
Page 1 COMMUNICATIONS IN ALGEBRA, 27(2), 785-791 (1999) On a characterization of …

Bu tezde;(eş-sonlu) Rad-tümlenmiş modül kavramının bazı problemlerine
çözümlerbulunması ve bu modüllerin birimli halkalar ve dedekind bölgeleri üzerinde …