Hereditary cotorsion pairs and silting subcategories in extriangulated categories

Hereditary cotorsion pairs and silting subcategories in extriangulated categories
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DOI:
10.1016/j.jalgebra.2021.11.029
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发表时间:
2021-08
期刊:
影响因子:
0.9
通讯作者:
T. Adachi;Mayu Tsukamoto
T. Adachi;Mayu Tsukamoto
中科院分区:
数学3区
文献类型:
--
作者:
T. Adachi;Mayu Tsukamoto

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本文研究了外三角范畴中的(完全)余挠对。首先,我们研究了余挠对偏序集的一个区间与其上心的余挠对偏序集之间的关系。其次,我们建立了外三角范畴中有界遗传余挠对与solding子范畴之间的一个双射。
In this paper, we study (complete) cotorsion pairs in extriangulated categories. First, we study a relationship between an interval of the poset of cotorsion pairs and the poset of cotorsion pairs in the coheart associated to the interval. Secondly, we establish a bijection between bounded hereditary cotorsion pairs and silting subcategories in extriangulated categories.