Open problems on relations of numerical semigroups
arXiv:2406.00790 · doi:10.1007/978-3-031-75326-8_16
Abstract
We collect some open problems about minimal presentations of numerical semigroups and, more generally, about defining ideals and free resolutions of their semigroup rings and associated graded rings. We emphasize both long-standing problems and more recent questions and developments.
The formulation of Problem 6 was incorrect