On the plasticity of the unit spheres of $\ell_1$, $\ell_{\infty}$, $c$, and Hilbert spaces

Fuente: arXiv
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Auteurs principaux: Levchenko, Maksym, Zavarzina, Olesia
Format: Preprint
Publié: 2026
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author Levchenko, Maksym
Zavarzina, Olesia
author_facet Levchenko, Maksym
Zavarzina, Olesia
contents This paper demonstrates the expand-contract plasticity of the unit spheres of $\ell_1$, $\ell_{\infty}$, and $c$. Furthermore, it establishes the strong plasticity of the unit spheres of Hilbert spaces.
format Preprint
id arxiv_https___arxiv_org_abs_2605_06622
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle On the plasticity of the unit spheres of $\ell_1$, $\ell_{\infty}$, $c$, and Hilbert spaces
Levchenko, Maksym
Zavarzina, Olesia
Functional Analysis
46B20
This paper demonstrates the expand-contract plasticity of the unit spheres of $\ell_1$, $\ell_{\infty}$, and $c$. Furthermore, it establishes the strong plasticity of the unit spheres of Hilbert spaces.
title On the plasticity of the unit spheres of $\ell_1$, $\ell_{\infty}$, $c$, and Hilbert spaces
topic Functional Analysis
46B20
url https://arxiv.org/abs/2605.06622