A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2016; you can also visit the original URL.
The file type is `application/pdf`

.

##
###
Relative Projective Modules and Relative Injective Modules

2006
*
Communications in Algebra
*

Let R be a ring, and n and d fixed non-negative integers. An R-module M is called n d -injective if Ext d+1 R P M = 0 for any n-presented R-module P. M is said to be n d -projective if Ext 1 R M N = 0 for any n d -injective R-module N . We use these concepts to characterize n-coherent rings and n d -rings. Some known results are extended.

doi:10.1080/00927870600649111
fatcat:scsbnof6z5afpbzvedsrjqfmna