Covers and Envelopes of Complexes
Covers and Envelopes of Complexes
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DOI:
10.1080/00927872.2010.533222
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发表时间:
2011-10
影响因子:
0.7
通讯作者:
Yang Gang;Liu Zhongkui
中科院分区:
文献类型:
--
作者:
Yang Gang;Liu Zhongkui
Let (𝒜, ℬ) be a hereditary cotorsion pair in ModR. We show that the induced cotorsion pair is complete if and only if the induced cotorsion pair is complete. As applications, some covers (precovers) and envelopes (preenvelopes) over certain classes of complexes of modules are obtained.