Equilateral dimension of the planar Banach--Mazur compactum

Fuente: arXiv
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Autores principales: Kobos, Tomasz, Swanepoel, Konrad
Formato: Preprint
Publicado: 2025
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author Kobos, Tomasz
Swanepoel, Konrad
author_facet Kobos, Tomasz
Swanepoel, Konrad
contents We prove that there are arbitrarily large equilateral sets of planar and symmetric convex bodies in the Banach--Mazur distance. The order of the size of these $d$-equilateral sets asymptotically matches the bounds of the size of maximum-size $d$-separated sets (determined by Bronstein in 1978), showing that our construction is essentially optimal.
format Preprint
id arxiv_https___arxiv_org_abs_2503_21478
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Equilateral dimension of the planar Banach--Mazur compactum
Kobos, Tomasz
Swanepoel, Konrad
Metric Geometry
Functional Analysis
Primary 52A10. Secondary 46B04, 46B20, 52A22
We prove that there are arbitrarily large equilateral sets of planar and symmetric convex bodies in the Banach--Mazur distance. The order of the size of these $d$-equilateral sets asymptotically matches the bounds of the size of maximum-size $d$-separated sets (determined by Bronstein in 1978), showing that our construction is essentially optimal.
title Equilateral dimension of the planar Banach--Mazur compactum
topic Metric Geometry
Functional Analysis
Primary 52A10. Secondary 46B04, 46B20, 52A22
url https://arxiv.org/abs/2503.21478