Resolving subcategories and dimensions in recollements of extriangulated categories

Resolving subcategories and dimensions in recollements of extriangulated categories
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解析分解类别的重新整理中的子类别和维度

DOI:
10.1007/s40840-022-01425-7
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发表时间:
2021-11
影响因子:
1.2
通讯作者:
Xin Zhuang
Xin Zhuang
中科院分区:
数学3区
文献类型:
--
作者:
Xin Ma;Tiwei Zhao;Xin Zhuang

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最近,Wang,Wei和Zhang引入了外三角范畴的重元素的概念。设(A,B,C)是外三角范畴的一个集合。我们提供了一些方法来构造涉及到一个分解元的分解子范畴,并研究它们之间的关系。作为Auslander-Reiten对应的应用,我们得到了Artin代数模范畴中余倾斜模的胶合.我们还给出了(A,B,C)中范畴关于分解子范畴的分解维数的界,推广了一些已知结果.
Recently, Wang, Wei and Zhang introduced the notion of recollements of extriangulated categories. In this paper, let (A,B,C) be a recollement of extriangulated categories. We provide some methods to construct resolving subcategories involved in a recollement and study how they are related. As applications of the Auslander–Reiten correspondence, we get the gluing of cotilting modules in a recollement of module categories for artin algebras. We also give some bounds of resolution dimensions of the categories involved in (A,B,C) with respect to resolving subcategories, which generalize some known results.
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发表时间: 1969-12
影响因子: 4.2
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期刊: Transactions of the American Mathematical Society, Series B
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