Lax monoidal adjunctions, two‐variable fibrations and the calculus of mates

Lax monoidal adjunctions, two‐variable fibrations and the calculus of mates
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松散幺半群附加、双变量纤维化和配合演算

DOI:
10.1112/plms.12548
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发表时间:
2020
影响因子:
1.8
通讯作者:
J. Nuiten
J. Nuiten
中科院分区:
数学1区
文献类型:
--
作者:
R. Haugseng;F. Hebestreit;Sil Linskens;J. Nuiten

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我们给出了∞$\INFTY$-范畴的函子的配对演算,并推广了∞$\INFTY$-范畴的非拉直等价,证明了(OP)松弛的自然变换对应于不一定保持(CO)笛卡尔边缘的(CO)笛卡尔原纤维映射。作为一个应用,我们得到了右伴随函子上的Lax对称么半群结构和左伴随函子上的opax对称么半群结构在对称么半群∞$\inty$-范畴之间的等价性,它与这种结构的水平和垂直合成都是相容的。作为本文的技术核心,我们研究了两个∞$\inty$-范畴的乘积上的各种新型纤颤。特别地,我们展示了它们如何在两个因子中的一个上对偶化,以及它们如何编码出(∞,2)$(\INFTY,2)$-范畴的格雷张量积的函子。
We provide a calculus of mates for functors to the ∞$\infty$ ‐category of ∞$\infty$ ‐categories and extend Lurie's unstraightening equivalences to show that (op)lax natural transformations correspond to maps of (co)cartesian fibrations that do not necessarily preserve (co)cartesian edges. As a sample application, we obtain an equivalence between lax symmetric monoidal structures on right adjoint functors and oplax symmetric monoidal structures on the left adjoint functors between symmetric monoidal ∞$\infty$ ‐categories that is compatible with both horizontal and vertical composition of such structures. As the technical heart of the paper, we study various new types of fibrations over a product of two ∞$\infty$ ‐categories. In particular, we show how they can be dualised over one of the two factors and how they encode functors out of the Gray tensor product of (∞,2)$(\infty , 2)$ ‐categories.
幺半群附加的唯一性
DOI: --
发表时间: 2022
期刊:
影响因子: --
作者:
Mori Izuru;Ueyama Kenta;Yoshio Fujimoto;Akihiko Yukie;Takashi Ichikawa;Yoshio Fujimoto;鳥居猛;鳥居猛
通讯作者: 鳥居猛