Image-extension-closed subcategories of module categories of hereditary algebras

Image-extension-closed subcategories of module categories of hereditary algebras
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遗传代数模范畴的图像扩展封闭子范畴

DOI:
10.1016/j.jpaa.2023.107372
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发表时间:
2023
影响因子:
0.8
通讯作者:
Sakai Arashi
Sakai Arashi
中科院分区:
数学2区
文献类型:
--
作者:
Enomoto Haruhisa;Sakai Arashi

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研究了模范畴的IE-闭子范畴、取象闭子范畴和扩张闭子范畴。研究了IE-闭子范畴与扭对之间的关系,并利用IE-闭子范畴刻画了τ-倾斜有限代数.对于遗传的情形,我们证明了IE-闭子范畴可以用孪生刚性模、满足某些同调条件的刚性模对来分类。此外,我们引入了类似于倾斜模的双刚性模的突变,从而给出了一种计算所有双刚性模的方法。
We study IE-closed subcategories of a module category, subcategories which are closed under taking Images and Extensions. We investigate the relation between IE-closed subcategories and torsion pairs, and characterizeτ-tilting finite algebras using IE-closed subcategories. For the hereditary case, we show that IE-closed subcategories can be classified by twin rigid modules, pairs of rigid modules satisfying some homological conditions. Moreover, we introduce mutation of twin rigid modules analogously to tilting modules, which gives a way to calculate all twin rigid modules for the representation-finite case.
DOI: 10.1007/s10468-023-10214-0
发表时间: 2022-01
影响因子: 0.6
作者:
H. Enomoto
通讯作者: H. Enomoto
ICE 封闭子类别和宽 tau 倾斜模块
DOI: --
发表时间: 2020
期刊:
影响因子: --
作者:
Nakayama T;Okimura K;Shen J;Guh Y-J;Tamai K;Shimada A;Minou S;Okushi Y;Shimmura T;Furukawa Y;Kadofusa N;Sato A;Nishimura T;Tanaka M;Nakayama K;Shiina N;Yamamoto N;Loudon A.S;Nishiwaki-Ohkawa T;Shinomiya A;Nabeshima T;Nakane Y;and Yos;Haruhisa Enomoto
通讯作者: Haruhisa Enomoto
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DOI: 10.1007/978-3-319-45441-2
发表时间: 2017
影响因子: 1
作者:
Martin Kalck
通讯作者: Martin Kalck