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math.AC2025
Numerical semigroup tree: type-representation
Jonathan Chappelon, Jorge L. Ramírez Alfonsín, Dumitru I. Stamate
In this paper, we introduce a new depicting of the so-called numerical semigroup tree . By exploring computationally this improved picture, relying on the type notion o…
math.AC2016
Numerical semigroups II: pseudo-symmetric AA-Semigroups
Ignacio García-Marco, Jorge L. Ramírez Alfonsín, Oystein J. Rodseth
This paper is a continuation of the paper "Numerical Semigroups: Apéry Sets and Hilbert Series". We consider the general numerical AA-semigroup, i.e., semigroups consisting of all…