Affine semigroups having a unique Betti element
Commutative Algebra
2014-01-27 v2 Group Theory
Abstract
We characterize affine semigroups having one Betti element and we compute some relevant non-unique factorization invariants for these semigroups. As an example, we particularize our description to numerical semigroups.
Cite
@article{arxiv.1203.4138,
title = {Affine semigroups having a unique Betti element},
author = {Pedro A. García-Sánchez and Ignacio Ojeda and José Carlos Rosales},
journal= {arXiv preprint arXiv:1203.4138},
year = {2014}
}
Comments
8 pages, 1 figure. To appear in Journal of Algebra and its Applications