Showing math.ACShow all
2 papers · 1 filter
math.AC2023
Apéry sets and the ideal class monoid of a numerical semigroup
Laura Casabella, Marco D'Anna, Pedro A. García-Sánchez
The aim of this article is to study the ideal class monoid of a numerical semigroup introduced by V. Barucci and F. Khouja. We prove new bounds on the card…
math.AC2022
Almost symmetric good semigroups
Laura Casabella, Marco D'Anna
The class of good semigroups is a class of subsemigroups of , that includes the value semigroups of rings associated to curve singularities and their blowups, and allows to st…