The density of planar sets avoiding unit distances

Fuente: arXiv
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Main Authors: Ambrus, Gergely, Csiszárik, Adrián, Matolcsi, Máté, Varga, Dániel, Zsámboki, Pál
Format: Preprint
Published: 2022
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author Ambrus, Gergely
Csiszárik, Adrián
Matolcsi, Máté
Varga, Dániel
Zsámboki, Pál
author_facet Ambrus, Gergely
Csiszárik, Adrián
Matolcsi, Máté
Varga, Dániel
Zsámboki, Pál
contents By improving upon previous estimates on a problem posed by L. Moser, we prove a conjecture of Erdős that the density of any measurable planar set avoiding unit distances cannot exceed $1/4$. Our argument implies the upper bound of $0.2470$.
format Preprint
id arxiv_https___arxiv_org_abs_2207_14179
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle The density of planar sets avoiding unit distances
Ambrus, Gergely
Csiszárik, Adrián
Matolcsi, Máté
Varga, Dániel
Zsámboki, Pál
Metric Geometry
42B05, 52C10, 52C17, 90C05
By improving upon previous estimates on a problem posed by L. Moser, we prove a conjecture of Erdős that the density of any measurable planar set avoiding unit distances cannot exceed $1/4$. Our argument implies the upper bound of $0.2470$.
title The density of planar sets avoiding unit distances
topic Metric Geometry
42B05, 52C10, 52C17, 90C05
url https://arxiv.org/abs/2207.14179