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arXiv 1503.02036math.ATmath.CT
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纤维化范畴是纤维化相对范畴

Fibration Categories are Fibrant Relative Categories

Lennart Meier

摘要:

一个相对范畴是一个具有选定的弱等价类的范畴。Barwick和Kan在所有相关范畴的范畴上产生了一个模型结构,它是Quillen等价于单纯集上的Joyal模型结构和单纯空间上的Rezk模型结构。我们将证明在Barwick-Kan模型结构中,模型范畴甚至纤维化范畴的潜在相对范畴是不相容的。

英文摘要:

A relative category is a category with a chosen class of weak equivalences. Barwick and Kan produced a model structure on the category of all relative categories, which is Quillen equivalent to the Joyal model structure on simplicial sets and the Rezk model structure on simplicial spaces. We will prove that the underlying relative category of a model category or even a fibration category is fibrant in the Barwick--Kan model structure.

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