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math.CT2023
The stable category of preordered groups
Aline Michel
In this article, we present the stable category of preordered groups associated with some Z-pretorsion theory. We first define such a category as well as the related functor, and t…
math.CT2023
Central extensions of preordered groups
Marino Gran, Aline Michel
We prove that the category of preordered groups contains two full reflective subcategories that give rise to some interesting Galois theories. The first one is the category of the…