All solid rings
Commutative Algebra
2025-09-11 v3
Abstract
We give an explicit characterization of the solid rings of the fourth type, finishing a work by Bousfield and Kan in the 1970s. As a consequence of our methods, we give criteria to find the core of a ring and explicitly compute the core of some rings.
Cite
@article{arxiv.2502.02484,
title = {All solid rings},
author = {Jaime Benabent Guerrero},
journal= {arXiv preprint arXiv:2502.02484},
year = {2025}
}