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arXiv 2008.11913math.CT
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范畴表示上的包围模

Entwined modules over representations of categories

Abhishek Banerjee

摘要:

本文引入了半完全余代数上取值于缠绕结构的小范畴的表示上的模理论。这就推进了将嵌入式模块的范畴发展到与模块范畴相同的程度的目标,以及米切尔使用具有多个对象的环的哲学。这些表示的动机是埃斯特拉达和维里里的工作,他们开发了一个在小的预加范畴中取值的表示上的模的理论,然后以同样的精神研究了一个方案上的模层。我们还描述了,通过Frobenius和可分离函子,我们的理论如何涉及到的模块在小$K$线性类别的基本表示值。

英文摘要:

We introduce a theory of modules over a representation of a small category taking values in entwining structures over a semiperfect coalgebra. This takes forward the aim of developing categories of entwined modules to the same extent as that of module categories as well as the philosophy of Mitchell of working with rings with several objects. The representations are motivated by work of Estrada and Virili, who developed a theory of modules over a representation taking values in small preadditive categories, which were then studied in the same spirit as sheaves of modules over a scheme. We also describe, by means of Frobenius and separable functors, how our theory relates to that of modules over the underlying representation taking values in small $K$-linear categories.

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