Characteristic subobjects in semi-abelian categories
Category Theory
2013-11-22 v1 Rings and Algebras
Abstract
We extend to semi-abelian categories the notion of characteristic subobject, which is widely used in group theory and in the theory of Lie algebras. Moreover, we show that many of the classical properties of characteristic subgroups of a group hold in the general semi-abelian context, or in stronger ones.
Cite
@article{arxiv.1311.5494,
title = {Characteristic subobjects in semi-abelian categories},
author = {Alan S. Cigoli and Andrea Montoli},
journal= {arXiv preprint arXiv:1311.5494},
year = {2013}
}