When the poset of the ideal class monoid of a numerical semigroup is a lattice
arXiv:2412.07281
Abstract
We characterize numerical semigroups for which the poset of its ideal class monoid is a lattice, and study the irreducible elements of such a lattice with respect to union, intersection, infimum and supremum.
arXiv admin note: text overlap with arXiv:2407.21697