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Positioned numerical semigroups
Quaestiones Mathematicae ( IF 0.7 ) Pub Date : 2020-07-13 , DOI: 10.2989/16073606.2020.1742245 M.B. Branco 1 , M.C. Faria 2 , J.C. Rosales 3
中文翻译:
定位数值半群
更新日期:2020-07-13
Quaestiones Mathematicae ( IF 0.7 ) Pub Date : 2020-07-13 , DOI: 10.2989/16073606.2020.1742245 M.B. Branco 1 , M.C. Faria 2 , J.C. Rosales 3
Affiliation
Abstract
A numerical semigroup S is positioned if for all s ∈ ℕ\S we have that F(S) + m(S) − s ∈ S. In this paper, we give algorithms to compute the set of positioned semigroups and a criterium to check whether S is or not is positioned. Furthermore, we prove the Wilf’s conjecture for this type of numerical semigroups.
中文翻译:
定位数值半群
摘要
如果对所有的数值半群S位于小号∈ℕ\小号我们有F(小号)+ M(小号)- S∈小号。在本文中,我们给出了计算定位半群集的算法和用于检查S是否定位的标准。此外,我们证明了这种类型的数值半群的威尔夫猜想。