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Lifting modules with indecomposable decompositions

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dc.creator Er, Noyan
dc.creator Ertas, Nil Orhan
dc.date 2008-02-01T01:00:00Z
dc.date.accessioned 2021-12-03T11:16:29Z
dc.date.available 2021-12-03T11:16:29Z
dc.identifier 25d7e035-0601-46c3-869b-b4e469cb0ca2
dc.identifier 10.1080/00927870701715738
dc.identifier https://avesis.sdu.edu.tr/publication/details/25d7e035-0601-46c3-869b-b4e469cb0ca2/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/90476
dc.description A module M is called a "lifting module" if, any submodule A of M contains a direct summand B of M such that A/B is small in M/B. This is a generalization of projective modules over perfect rings as well as the dual of extending modules. It is well known that an extending module with ascending chain condition (a.c.c.) on the annihilators of its elements is a direct sum of indecomposable modules. If and when a lifting module has such a decomposition is not known in general In this article, among other results, we prove that a lifting module M is a direct sum of indecomposable modules if (i) rad(M((I))) is small in M((I)) for every index set I, or, (ii) M has a.c.c. on the annihilators of (certain) elements, and rad(M) is small in M.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Lifting modules with indecomposable decompositions
dc.type info:eu-repo/semantics/article


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