English

Approximation of subcategories by abelian subcategories

Category Theory 2023-05-09 v4 Commutative Algebra

Abstract

For a commutative ring RR and a weakly proregular ideal II, we prove a simple universal property of the category of L0L_0-complete RR-modules: it is the smallest replete exact abelian subcategory of the category of RR-modules which contains all the II-adically complete RR-modules.

Keywords

Cite

@article{arxiv.1006.0048,
  title  = {Approximation of subcategories by abelian subcategories},
  author = {Andrew Salch},
  journal= {arXiv preprint arXiv:1006.0048},
  year   = {2023}
}
R2 v1 2026-06-21T15:30:16.677Z