2 papers
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…
math.CO2012
Small Doubling and Additive Structure Modulo a Prime
Øystein J. Rødseth
This paper has been withdrawn by the author due to an error in the proof of Theorem 6.