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Gray tensor products and Lax functors of (∞,2)-categories
Advances in Mathematics ( IF 1.7 ) Pub Date : 2021-08-27 , DOI: 10.1016/j.aim.2021.107986 Andrea Gagna 1 , Yonatan Harpaz 2 , Edoardo Lanari 3
中文翻译:
(∞,2)-范畴的灰色张量积和松散函子
更新日期:2021-08-27
Advances in Mathematics ( IF 1.7 ) Pub Date : 2021-08-27 , DOI: 10.1016/j.aim.2021.107986 Andrea Gagna 1 , Yonatan Harpaz 2 , Edoardo Lanari 3
Affiliation
We give a definition of the Gray tensor product in the setting of scaled simplicial sets which is associative and forms a left Quillen bifunctor with respect to the bicategorical model category of Lurie. We then introduce a notion of oplax functor in this setting, and use it in order to characterize the Gray tensor product by means of a universal property. A similar characterization was used by Gaitsgory and Rozenblyum in their definition of the Gray product, thus giving a promising lead for comparing the two settings.
中文翻译:
(∞,2)-范畴的灰色张量积和松散函子
我们在标度单纯集的设置中给出了灰色张量积的定义,它是关联的,并形成关于 Lurie 的双分类模型类别的左 Quillen 双函子。然后,我们在此设置中引入了 oplax 函子的概念,并使用它来通过通用属性来表征灰色张量积。Gaitsgory 和 Rozenblyum 在他们对 Gray 产品的定义中使用了类似的特征,从而为比较两种设置提供了有希望的线索。