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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.9
- 수록면
- 1,437 - 1,445 (9page)
- DOI
- 10.4134/BKMS.b230718
이용수
초록· 키워드
오류제보하기
In this paper, we prove that a ring $R$ is $n$-coherent and self-strongly $FP_n$-injective if and only if $(\mathcal{SFI}_n,\mathcal{SFI}_n^\perp)$ is a (perfect) cotorsion pair, if and only if every $R$-module has an epimorphic $\mathcal{SFI}_n$-cover, where $\mathcal{SFI}_n$ denotes the class of strongly $FP_n$-injective modules. In particular, we show that $R$ is a coherent and self-strongly $FP$-injective ring, if and only if every $R$-module has an epimorphic $\mathcal{SFI}$-cover, which gives an affirmative answer to the question raised by Li-Guan-Ouyang.
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