Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.11889/4019
Title: | On qdf modules and qdf rings | Authors: | Saleh, Mohammad Johnson, Johnny A. |
Keywords: | Noncommutative algebras;Rings (Algebra) | Issue Date: | 2004 | Source: | 5 | Abstract: | The purpose of this paper is to further the study of weakly injective and weakly tight modules a generalization of injective modules. A right R-module M is said to be weakly tight (tight) if every finitely generated submodule N of its injective hull E (M) is embeddable in a direct sum of copies of M (is embeddable in M). For some classes K of modules, we study when direct sums of modules from K are weakly tight, tight, weakly injective. In particular, we get necessary and sufficient conditions for sum-weak tightness of the injective hull of a | URI: | http://hdl.handle.net/20.500.11889/4019 |
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