Perfect Pairs of Ideals and Duals in Numerical Semigroups

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This paper considers numerical semigroups $S$ that have a non-principal relative ideal $I$ such that $μ_S(I)μ_S(S-I)=μ_S(I+(S-I)) $. We show the existence of an infinite family of such which $I+(S-I)=S\backslash\{0\}$. We also show examples of such pairs that are not members of this family. We discuss the computational process used to find these examples and present some open questions pertaining to them.

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Commutative Algebra, Algebraic Geometry, 20M14

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http://salesiana.dossiersoluciones.com/handle/123456789/76211

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0508631
 http://arxiv.org/abs/math/0508631

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arXiv