关于余环扩张的注记
环与代数
2008-07-31 v3 范畴论
摘要
定义了余环扩张的概念,并将其与余模范畴之间通过遗忘函子分解的加性函子的存在性相联系。余环扩张与可分解函子之间的这种对应由下降数据范畴间的函子加以说明。还引入了一个以余环为对象、以余环扩张为态射的范畴。
引用
@article{arxiv.math/0410020,
title = {A note on coring extensions},
author = {Tomasz Brzezinski},
journal= {arXiv preprint arXiv:math/0410020},
year = {2008}
}
备注
The statement of the main result, Theorem 2.6, is corrected. Readers who used Theorem 2.6 in its original form are strongly advised to see this revised version