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arXiv 2107.10092math.ATmath.CT
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Profinite $\infty$ -运算

Profinite $\infty$-operads

Thomas Blom, Ieke Moerdijk

摘要:

我们表明,一个profinite完成函子(单纯或拓扑)具有良好的同伦性质的操作可以构造为一个左Quillen函子从一个适当的模型范畴的无穷大运算到一定的模型范畴的profinite无穷大运算。该结构是基于精益无穷运算的概念,我们刻画了这些无穷运算弱等价于精益同伦有限性的性质。还讨论了该构造的几个变体,例如单位(或封闭)无穷操作数和无穷范畴的情况。

英文摘要:

We show that a profinite completion functor for (simplicial or topological) operads with good homotopical properties can be constructed as a left Quillen functor from an appropriate model category of infinity-operads to a certain model category of profinite infinity-operads. The construction is based on a notion of lean infinity-operad, and we characterize those infinity-operads weakly equivalent to lean ones in terms of homotopical finiteness properties. Several variants of the construction are also discussed, such as the cases of unital (or closed) infinity-operads and of infinity-categories.

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