Silting modules

Silting modules
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DOI:
10.1093/imrn/rnv191
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发表时间:
2014-05
期刊:
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通讯作者:
Lidia Angeleri Hugel;F. Marks;Jorge Vit'oria
Lidia Angeleri Hugel;F. Marks;Jorge Vit'oria
中科院分区:
其他
文献类型:
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作者:
Lidia Angeleri Hugel;F. Marks;Jorge Vit'oria

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提出了淤积模数的新概念。这些模型推广了任意环上的倾斜模,并支持由Adachi,Iyama和Reiten最近引入的有限维代数上的τ倾斜模。我们证明了淤积模块生成的离子类提供了左近似,并且任何y个部分淤积模块都允许一个类似的Bongartz补全。此外,我们还证明了淤积模数与二项淤积络合物是双射的,并且在派生模类中具有一定的t结构和co-t-结构。我们还看到其中一些双射如何适用于淤积任意有限长度的Comp词汇表。
We introduce the new concept of silting modules. These modu les generalise tilting modules over an arbitrary ring, as well as support τ-tilting modules over a finite dimensional algebra recently introduced by Adachi, Iyama and Reiten. We show that silting modules generate tors ion classes that provide left approximations, and that ever y partial silting module admits an analogue of the Bongartz co mplement. Furthermore, we prove that silting modules are in bijection with 2-term silting complexes and with certain tstructures and co-t-structures in the derived module categ ory. We also see how some of these bijections hold for silting comp lexes of arbitrary finite length.