ON n-COPRESENTED MODULES AND n-CO-COHERENT RINGS Driss Bennis, Habib Bouzraa
and Abdul-Qawe Kaed 1. Introduction Throughout this Page 1 International Electronic Journal of …

This paper unifies several generalizations of coherent rings in one notion. Namely, we
introduce nX-coherent rings, where X is a class of modules and n is a positive integer, as …

ON N-COHERENT RINGS, N-HEREDITARY RINGS AND N-REGULAR RINGS Page 1 Archive
of SID Bulletin of the Iranian Mathematical Society Vol. 37 No. 4 (2011), pp 251-267. ON …

In this article, we introduce two new classes of modules over a ϕ-ring that generalize the
classes of coherent modules and Noetherian modules. We next study the possible transfer …

Let R be a ring. For two fixed positive integers m and n, a right R-module M is called (m, n)-
injective in case every right R-homomorphism from an n-generated submodule of Rm to M …

In this paper, we introduce and study the notions of uniformly $ S $-finitely presented
modules and uniformly $ S $-coherent rings (modules) which are" uniform" versions of ($ c …

Let R be a ring, and let n, d be non-negative integers. A right R-module M is called (n, d)-
projective if Ext d+ 1 R (M, A)= 0 for every n-copresented right R-module A. R is called right n …

In this paper, we introduce a new generalization of coherent rings. Let m be a positive
integer and da positive integer or d=∞. A ring R is called a left (m, d)-coherent ring in case …

Recall that a ring R is said to be left coherent [2] if every finitely generated left ideal of R is
finitely presented. Coherent rings and their generalizations have been studied extensively …

n-copure submodules of modules Page 1 Cankaya University Journal of Science and
Engineering Volume 15, No. 2 (2018) 054–062 Date Received: 20/06/2018 Date Accepted …