A. Rechenauer

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20182026

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math.NT2021

A lower bound for the Wilf density, deduced from a result of Zhai

Michael Hellus, Anton Rechenauer, Rolf Waldi

Let $S \neq = N$ be a numerical semigroup with Frobenius number $f$ , genus $g$ and embedding dimension $e$ . In 1978 Wilf asked the question, whether $\frac{f+1-g}{f+1}\geq\frac…

math.NT2021

Note on a question of Wilf

Michael Hellus, Anton Rechenauer, Rolf Waldi

Let $S$ be a numerical semigroup with Frobenius number $f$ , genus $g$ and embedding dimension $e$ . % In 1978 Wilf asked the question, whether $\frac{f + 1 - g}{f + 1} \geq \frac{1}{e}$ . As is…