İlhan, Sedat; Süer, Meral Some extensions of a class of pseudo symmetric numerical semigroups. (English) Zbl 1276.20065 Selçuk J. Appl. Math. 13, No. 1, 69-74 (2012). Summary: We give some results about some extensions of a pseudo symmetric numerical semigroup in the form of \(S=\langle 3,3+s,3+2s\rangle\) for \(s\in\mathbb Z^+\) and \(3\nmid s\). MSC: 20M14 Commutative semigroups 20M05 Free semigroups, generators and relations, word problems Keywords:pseudo-symmetric numerical semigroups; commutative semigroups; Frobenius numbers; extensions; generating sets PDFBibTeX XMLCite \textit{S. İlhan} and \textit{M. Süer}, Selçuk J. Appl. Math. 13, No. 1, 69--74 (2012; Zbl 1276.20065)