Locally coherent exact categories
L Positselski - arXiv preprint arXiv:2311.02418, 2023 - arxiv.org
A locally coherent exact category is a finitely accessible additive category endowed with an
exact structure in which the admissible short exact sequences are the directed colimits of the …
exact structure in which the admissible short exact sequences are the directed colimits of the …
Universal co-Extensions of torsion abelian groups
A Argudín-Monroy, CE Parra - Journal of Algebra, 2024 - Elsevier
Abstract In [16], a theory of universal extensions in abelian categories is developed; in
particular, the notion of Ext 1-universal object is presented. In the present paper, we show …
particular, the notion of Ext 1-universal object is presented. In the present paper, we show …