A note on strong protomodularity, actions and quotients
- Autori: Metere, G.
- Anno di pubblicazione: 2013
- Tipologia: Altro (Articolo in rivista)
- OA Link: http://hdl.handle.net/10447/100526
We investigate some properties of the fibration of points. We obtain a characterization of protomodular categories among pointed regular ones, and, in the semi-abelian case, a characterization of strong protomodularity. Everything is also stated in terms of internal actions.