2 papers
math.CT2026
Hypersubtraction and semi-direct product
Dominique Bourn
In this article, we introduce an extrinsic approach to the notion of semi-direct product, an intrinsic one (namely inside the category Gp of group itself) having been already done…
math.CT2025
Equ-saturating categories
Dominique Bourn
Starting from the varietal notion of syntactic equivalence relation, we generalized it to a categorical concept; namely Equ-saturating category. We produce various examples and foc…