局部有限范畴相关余代数上的余模与反模
范畴论
2023-10-12 v3 环与代数
摘要
我们解释如何将一个域 上的余代数 附加到一个满足适当有限性条件的小 -线性范畴 上。在此背景下,我们研究反模遗忘函子的完全忠实性,并将局部有限左 -余模与左 -反模的范畴明确描述为左 -模范畴的某些完全子范畴。
引用
@article{arxiv.2307.13358,
title = {Comodules and contramodules over coalgebras associated with locally finite categories},
author = {Leonid Positselski},
journal= {arXiv preprint arXiv:2307.13358},
year = {2023}
}
备注
LaTeX 2e with xy-pic; 35 pages, 1 commutative diagram; v.2: Question 4.12 added, new Section 6 inserted; v.3: misprints corrected, proof of Theorem 3.7 reworked with Lemma 3.8 created, a paragraph inserted in the introduction, Examples 7.6 added at the end