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范畴,范畴中范畴的仿射范畴与从到双范畴(对应关系的双范畴)的单位宽松函子的范畴之间存在等价。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。
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!