3 papers
math.AC2026
Quasi-maximal ideals and ring extensions
Gabriel Picavet, Martine Picavet-L'Hermitte
Alan and al. defined and studied quasi-maximal ideals. We add a comprehensive characterization of these ideals, introducing submaximal ideals. The conductor of a finite minimal ext…
math.AC2022
Computing the closure of a support
Gabriel Picavet, Martine Picavet-L'Hermitte
When is an -module over a commutative unital ring , the Zariski closure of its support is of the form where is a unique radical…
math.AC2022
Distributive FCP extensions
Gabriel Picavet, Martine Picavet-L'Hermitte
We are dealing with extensions of commutative rings whose chains of the poset of their subextensions are finite ({\em i.e.} has the FCP proper…