2012
DOI: 10.1142/s1005386712000508
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Rad-⊕-Supplemented Modules and Cofinitely Rad-⊕-Supplemented Modules

Abstract: A module M is called (cofinitely) Rad-⊕-supplemented if every (cofinite) submodule of M has a Rad-supplement that is a direct summand of M . We prove that if M is a coatomic cofinitely Rad-⊕-supplemented module, then M is an irredundant sum of local direct summands. We show that the classes of cofinitely Rad-⊕-supplemented modules and Rad-⊕-supplemented modules are closed under finite direct sums. We also show that every direct summand of a weak duo (cofinitely) Rad-⊕-supplemented module is (cofinitely) Rad-⊕-… Show more

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Cited by 13 publications
(9 citation statements)
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“…It is clear that every ⊕-supplemented module is Rad-⊕-supplemented. For the concept of Rad-⊕-supplemented, we refer to [14] and [13].…”
Section: And Corollary 26])mentioning
confidence: 99%
“…It is clear that every ⊕-supplemented module is Rad-⊕-supplemented. For the concept of Rad-⊕-supplemented, we refer to [14] and [13].…”
Section: And Corollary 26])mentioning
confidence: 99%
“…The submodules Rad(M ) and δ(M ) have very important roles in modules theory, so that related to these submodules, many generalizations of small and δ−small modules are introduced and investigated by some authors. We refer for some of them to [2,4,5,7,8,10].…”
Section: If Every Proper Submodule Ofmentioning
confidence: 99%
“…More details about generalized (radical) supplemented modules are in [13]. More details about generalized (radical) ⊕−supplemented modules are in [1,3]. More informations about g-supplemented modules are in [5].…”
Section: Introductionmentioning
confidence: 99%