Floor, ceiling and the space between

Fuente: arXiv
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Bibliographic Details
Main Authors: Bényi, Árpád, Ćurgus, Branko
Format: Preprint
Published: 2025
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author Bényi, Árpád
Ćurgus, Branko
author_facet Bényi, Árpád
Ćurgus, Branko
contents Motivated by questions on the ranges of commutators of dilated floor functions and one posed in Problem 27327 from Gazeta Matematică, we investigate the precise ranges of certain generalized polynomials depending on a real parameter and defined via the floor function. Our analysis requires non-trivial tools, including Kronecker's approximation theorem. The results highlight sharp distinctions between irrational parameters and sub-unitary and supra-unitary rational parameters. We also propose several conjectures for the irrational and supra-unitary rational cases, supported by extensive computations in Wolfram Mathematica.
format Preprint
id arxiv_https___arxiv_org_abs_2507_14244
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Floor, ceiling and the space between
Bényi, Árpád
Ćurgus, Branko
History and Overview
Number Theory
Primary 11A99, 11J54, Secondary 26A09, 26D07
Motivated by questions on the ranges of commutators of dilated floor functions and one posed in Problem 27327 from Gazeta Matematică, we investigate the precise ranges of certain generalized polynomials depending on a real parameter and defined via the floor function. Our analysis requires non-trivial tools, including Kronecker's approximation theorem. The results highlight sharp distinctions between irrational parameters and sub-unitary and supra-unitary rational parameters. We also propose several conjectures for the irrational and supra-unitary rational cases, supported by extensive computations in Wolfram Mathematica.
title Floor, ceiling and the space between
topic History and Overview
Number Theory
Primary 11A99, 11J54, Secondary 26A09, 26D07
url https://arxiv.org/abs/2507.14244