⊕-co-coatomically supplemented and co-coatomically semiperfect modules
| dc.contributor.author | Rafail ALİZADE | |
| dc.contributor.author | Serpil GÜNGÖR | |
| dc.date.accessioned | 2025-10-22T16:06:03Z | |
| dc.date.issued | 2018 | |
| dc.description.abstract | In this paper it is shown that a factor module of an ⊕-co-coatomically supplemented module is not in general ⊕-co-coatomically supplemented. If M is⊕-co-coatomically supplemented and U is a fully invariant submodule of M then M/U is ⊕-co-coatomically supplemented. A ring R is left perfect if and only if R(N) is an ⊕-co-coatomically supplemented R-module. A projective module M is co-coatomically semiperfect if and only if M is ⊕-co-coatomically supplemented. A ring is semiperfect if and only if every nitely generated free R-module is co-coatomically semiperfect. | |
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| dc.identifier.doi | 10.15672/HJMS.20154413844 | |
| dc.identifier.issn | 1303-5010 | |
| dc.identifier.issn | 2651-477X | |
| dc.identifier.uri | https://gcris.yasar.edu.tr/handle/123456789/10923 | |
| dc.language.iso | İngilizce | |
| dc.relation.ispartof | Hacettepe Journal of Mathematics and Statistics | |
| dc.source | Hacettepe Journal of Mathematics and Statistics | |
| dc.subject | Matematik | |
| dc.title | ⊕-co-coatomically supplemented and co-coatomically semiperfect modules | |
| dc.type | Article | |
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