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arXiv 2302.00430math.CTmath.AGmath.KT
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dg范畴的一个新模型

A new model for dg-categories

Elena Dimitriadis Bermejo

摘要:

在本文中,我们为dg-范畴的范畴建立了一个新的模型。按照Rezk的例子在经典Segal空间的情况下,我们定义dg-Segal空间:函子之间的自由dg范畴的有限型和单纯空间,我们添加某些性质。我们还定义了完备的dg-Segal空间,并明确了它们与经典Segal空间的关系。借助于两个新的超覆盖构造,在一定的假设下,我们证明了dg-范畴的同伦范畴与上面定义的函子的同伦范畴之间存在等价性,并给出了一个将完备dg-Segal空间作为其同伦对象的模型结构.

英文摘要:

In this document, we develop a new model for the category of dg-categories. Following Rezk's example in the case of classic Segal spaces, we define dg-Segal spaces: functors between free dg-categories of finite type and simplicial spaces to which we add certain properties. We define also complete dg-Segal spaces, and make their relationship to classic Segal spaces explicit. With the help of two new hypercover constructions, and up to a certain hypothesis, we prove that there exists an equivalence between the homotopy category of dg-categories and the homotopy category of functors defined above with a model structure making the complete dg-Segal spaces into its fibrant objects.

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