复形的ex(DI)-包络
The ex(DI)-Envelope of Complexes
DOI: 10.12677/PM.2023.136174, PDF, HTML, 下载: 153  浏览: 215 
作者: 史朝阳*, 杨晓燕#:西北师范大学,数学与统计学院,甘肃 兰州
关键词: Ding内射模Ding内射复形覆盖包络Ding Injective Module Ding Injective Complex Cover Envelope
摘要: 对任意环R,我们证明了正合的Ding内射复形的左正交类是复形范畴中的覆盖类,正合的Ding内射复形的类是复形范畴中的包络类。
Abstract: For any ring R,we prove that the left orthogonal class of exact Ding injective complexes is covering and the class of exact Ding injective complexes is enveloping in the complex category.
文章引用:史朝阳, 杨晓燕. 复形的ex(DI)-包络[J]. 理论数学, 2023, 13(6): 1708-1713. https://doi.org/10.12677/PM.2023.136174

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