2 papers
math.RT2023
Categories of quiver representations and relative cotorsion pairs
Alejandro Argudín Monroy, Octavio Mendoza
We study the category of representations of a quiver with values in an abelian category . For this purpose we introduce the mes…
math.CT2019
The Yoneda Ext and arbitrary coproducts in abelian categories
Alejandro Argudín Monroy
There are well known identities that involve the Ext bifunctor, coproducts, and products in Ab4 and Ab4* abelian categories with enough projectives and enough injectives. Namely, f…