中文

关于每个函子直换的研究

范畴论 2025-10-14 v3 代数拓扑

摘要

我们证明了任意函子都可以直换。更准确地说,我们证明了对于任意\infty范畴C\mathcal{C}\infty范畴(Cat)/C(\mathrm{Cat}_{\infty})_{/\mathcal{C}}\infty范畴的仿射范畴与从C\mathcal{C}到双\infty范畴Corr\mathrm{Corr}(对应关系的双\infty范畴)的单位宽松函子的\infty范畴之间存在等价。该证明依赖于某种Morita范畴的普适性质,这一性质本身也具有独立的兴趣。

关键词

引用

@article{arxiv.2408.16539,
  title  = {On the straightening of every functor},
  author = {Thomas Blom},
  journal= {arXiv preprint arXiv:2408.16539},
  year   = {2025}
}

备注

v3: Made appendix into separate part of paper and added full details for the proof of Theorem B. v2: Added section 8 on comparison to other straightening equivalences, updated references, fixed typos. 28 pages. Comments welcome!