We prove an explicit formula for the number of star operations on numerical semigroups of multiplicity 3 in terms of the generators of the semigroup. We also estimate the number of semigroups of multiplicity 3 with exactly n star operations.
Spirito, D. (2015). Star operations on numerical semigroups: the multiplicity 3 case. SEMIGROUP FORUM, 91(2), 476-494 [10.1007/s00233-014-9643-7].
Star operations on numerical semigroups: the multiplicity 3 case
SPIRITO, DARIO
2015-01-01
Abstract
We prove an explicit formula for the number of star operations on numerical semigroups of multiplicity 3 in terms of the generators of the semigroup. We also estimate the number of semigroups of multiplicity 3 with exactly n star operations.File in questo prodotto:
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