TY - GEN AU - Casabella, Laura AU - D’Anna, Marco AU - García Sánchez, Pedro Abelardo PY - 2023 UR - https://hdl.handle.net/10481/90422 AB - The aim of this article is to study the ideal class monoid Cl(S) of a numerical semigroup S introduced by V. Barucci and F. Khouja.We prove new bounds on the cardinality of Cl(S). We observe that Cl(S) is isomorphic to the monoid of ideals of S... LA - eng PB - Springer Nature KW - Ideal class monoid KW - Apéry set KW - Numerical semigroup TI - Apéry Sets and the Ideal Class Monoid of a Numerical Semigroup DO - 10.1007/s00009-023-02550-8 ER -