Branco, M.B.Branco

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Almost-positioned numerical semigroups
Publication . Branco, M.B.Branco; Faria, Manuel Caldas; Rosales, J. C.
A numerical semigroup S is almost-positioned if for all s is an element of N\S we have that F(S)+m(S)+1-s is an element of S. In this note we give algorithmics for computing the whole set of almost-positioned numerical semigroup with fixed multiplicity and Frobenius number. Moreover, we prove Wilf's conjecture for this type of numerical semigroups.
2021-05Journal article Restricted access Show more