p-Numerical Semigroups of Generalized Fibonacci Triples

Article Type

Research Article

Publication Title

Symmetry

Abstract

For a nonnegative integer p, we give explicit formulas for the p-Frobenius number and the p-genus of generalized Fibonacci numerical semigroups. Here, the p-numerical semigroup (Formula presented.) is defined as the set of integers whose nonnegative integral linear combinations of given positive integers (Formula presented.) are expressed in more than p ways. When (Formula presented.), (Formula presented.) with the 0-Frobenius number and the 0-genus is the original numerical semigroup with the Frobenius number and the genus. In this paper, we consider the p-numerical semigroup involving Jacobsthal polynomials, which include Fibonacci numbers as special cases. We can also deal with the Jacobsthal–Lucas polynomials, including Lucas numbers accordingly. An application on the p-Hilbert series is also provided. There are some interesting connections between Frobenius numbers and geometric and algebraic structures that exhibit symmetry properties.

DOI

https://10.3390/sym15040852

Publication Date

4-1-2023

Comments

Open Access, Gold, Green

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