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|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|
|Appears in Collections:||Fulltext Publications|
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