… projective modules and their endomorphism rings. Specifically, the basic problem is to
describe the projective modules whose endomorphism rings … Call a projective module regular if …

… modules). Section 6 contains an attempt to classify all endomorphism of finitely generated
projective A-modules… to classify the endomorphisms of finitely generated projective A-modulus …

… Throughout this section PR denotes a finitely generated projective module, T its trace
ideal, C = End (PR), RPc = Horn (CPR, RRR) and, for XR, X'c = Horn (CPR, XR). Definition …

… the endomorphism ring of an arbitrary projective module. In the … For a ring A, we will let A'
denote the ring obtained from A by … Recall that for A a ring with 1, a left A-module P is projective …

… of the ring of row finite matrices over an arbitrary ring. Recently, … generated projectives and
their rings of endomorphisms, … vector spaces over division rings, eg, [l], [9], or [lo]. To achieve …

… Over a ring A let PA be a finitely generated projective right Amodule with A-endomorphism
ring B. Let T be the trace of PA and P* = Hom^P, A) be the A-dual of P Injectors, flatjectors, …

… n if and only if P is an n-epi-projective module. This generalizes a recent result of Canfell [3] …
for projective modules. In section 3, we will study the properties of n-epi-projective modules. …

… Quasi-projective modules are revisited in Section 6.3 where we show that the present
techniques are different from those in [45, 51]. In particular, we extend the equivalence in [51] to …

… to each quotient module of M can be lifted to an endomorphism of M. … projective modules
and their endomorphism rings. It shows that if M is a self-cogenerator pseudo-projective module …

… Yares were acutally natural generalizations of the same concepts from rings to projective
modules. In the same paper she also proved that if D # 0 is a finitely generated perfect R (resp. …