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Semibricks in extriangulated categories
Communications in Algebra ( IF 0.6 ) Pub Date : 2021-07-01 , DOI: 10.1080/00927872.2021.1940192 Li Wang 1 , Jiaqun Wei 1 , Haicheng Zhang 1
中文翻译:
分三角类别中的半砖
更新日期:2021-07-01
Communications in Algebra ( IF 0.6 ) Pub Date : 2021-07-01 , DOI: 10.1080/00927872.2021.1940192 Li Wang 1 , Jiaqun Wei 1 , Haicheng Zhang 1
Affiliation
Abstract
Let be a semibrick in an extriangulated category Let be the filtration subcategory generated by We give a one-to-one correspondence between simple semibricks and length wide subcategories in This generalizes a bijection given by Ringel in module categories, which has been generalized by Enomoto to exact categories. Moreover, we also give a one-to-one correspondence between cotorsion pairs in and certain subsets of Applying to the simple minded systems of a triangulated category, we recover a result given by Dugas.
中文翻译:
分三角类别中的半砖
摘要
让 成为外三角范畴中的半砖 让 是由生成的过滤子类别 我们给出了简单半砖和长度宽子类别之间的一一对应关系 这推广了 Ringel 在模块类别中给出的双射,Enomoto 已将其推广到精确类别。此外,我们还给出了 cotorsion 对之间的一一对应关系 和某些子集 应用于三角范畴的简单系统,我们恢复了 Dugas 给出的结果。