Research Article

The complexity of a numerical semigroup

DOI: 10.2989/16073606.2022.2114391
Author(s): J.I. García-García Universidad de Cádiz, Spain, M.A. Moreno-Frías Universidad de Cádiz, Spain, J.C. Rosales Universidad de Granada, Spain, A. Vigneron-Tenorio Universidad de Cádiz, Spain,

Abstract

Let S and Δ be numerical semigroups. A numerical semigroup S is an I(Δ)-semigroup if S \ {0} is an ideal of Δ. We denote by S is an I(Δ)-semigroup}, and we say that Δ is an ideal extension of S if S .

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