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- Title
Singly injective modules.
- Authors
Moradzadeh-Dehkordi, A.; Shojaee, S. H.
- Abstract
A left R -module M is said to be left singly injective if Ext R 1 (F / K , M) = 0 for any cyclic submodule K of any finitely generated free left R -module F. In this paper, we study the notion of singly injective modules which is generalization of injective modules and absolutely pure modules. In this direction, we give conditions which guarantee that each singly injective left R -module is either injective or absolutely pure. Finally, we study rings whose simple modules are singly injective (SSI-rings).
- Subjects
INJECTIVE modules (Algebra); QUASI-Frobenius rings; HOMOMORPHISMS; ARTIN rings; NOETHERIAN rings
- Publication
Journal of Algebra & Its Applications, 2019, Vol 18, Issue 1, pN.PAG
- ISSN
0219-4988
- Publication type
Article
- DOI
10.1142/S0219498819500075