ON A GENERALIZATION OF ?-CO-COATOMICALLY SUPPLEMENTED MODULES

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Tarih

2023

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Honam Mathematical Soc

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

In this paper, we define circle plus delta-co-coatomically supplemented and co-coatomically 6-semiperfect modules as a strongly notion of circle plus-co-coatomically supplemented and co-coatomically semiperfect modules with the help of Zhou's radical. We say that a module A is circle plus delta-co-coatomically supplemented if each co-coatomic submodule of A has a 6-supplement in A which is a direct summand of A. And a module A is co-coatomically 6-semiperfect if each coatomic factor module of A has a projective 6-cover. Also we define co-coatomically amply 6-supplemented modules and we examined the basic properties of these modules. Further-more, we give a ring characterization for our modules. In particular, a ring R is 6-semiperfect if and only if each free R-module is co-coatomically 6-semiperfect.

Açıklama

Anahtar Kelimeler

co-coatomic submodule, ??-co-coatomically supplemented mod-ule, co-coatomically 6-perfect module

Kaynak

Honam Mathematical Journal

WoS Q Değeri

N/A

Scopus Q Değeri

N/A

Cilt

45

Sayı

1

Künye