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arxiv: 1808.09065 · v1 · pith:QYHOUR5Bnew · submitted 2018-08-27 · 🧮 math.AC · math.NT

Symmetric (not Complete Intersection) Numerical Semigroups Generated by Six Elements

classification 🧮 math.AC math.NT
keywords semigroupsboundcompletegeneratedintersectionnumericalsymmetricconsider
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We consider symmetric (not complete intersection) numerical semigroups S_6, generated by a set of six positive integers {d_1,...,d_6}, gcd(d_1,...,d_6)=1, and derive inequalities for degrees of syzygies of such semigroups and find the lower bound for their Frobenius numbers. We show that this bound may be strengthened if S_6 satisfies the Watanabe lemma.

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