On the straightening of every functor

Fuente: arXiv
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Autor principal: Blom, Thomas
Formato: Preprint
Publicado: 2024
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author Blom, Thomas
author_facet Blom, Thomas
contents We show that any functor between $\infty$-categories can be straightened. More precisely, we show that for any $\infty$-category $\mathcal{C}$, there is an equivalence between the $\infty$-category $(\mathrm{Cat}_{\infty})_{/\mathcal{C}}$ of $\infty$-categories over $\mathcal{C}$ and the $\infty$-category of unital lax functors from $\mathcal{C}$ to the double $\infty$-category $\mathrm{Corr}$ of correspondences. The proof relies on a certain universal property of the Morita category which is of independent interest.
format Preprint
id arxiv_https___arxiv_org_abs_2408_16539
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle On the straightening of every functor
Blom, Thomas
Category Theory
Algebraic Topology
We show that any functor between $\infty$-categories can be straightened. More precisely, we show that for any $\infty$-category $\mathcal{C}$, there is an equivalence between the $\infty$-category $(\mathrm{Cat}_{\infty})_{/\mathcal{C}}$ of $\infty$-categories over $\mathcal{C}$ and the $\infty$-category of unital lax functors from $\mathcal{C}$ to the double $\infty$-category $\mathrm{Corr}$ of correspondences. The proof relies on a certain universal property of the Morita category which is of independent interest.
title On the straightening of every functor
topic Category Theory
Algebraic Topology
url https://arxiv.org/abs/2408.16539