Separation ratios of maps between Banach spaces
Under the weak assumption on a Banach space $E$ that $E\oplus E$ embeds isomorphically into $E$, we provide a characterisation of when a Banach space $X$ coarsely embeds into $E$ via a single numerical invariant.
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Main Author: | Rosendal, Christian |
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Format: | Article |
Language: | English |
Published: |
Académie des sciences
2023-11-01
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Series: | Comptes Rendus. Mathématique |
Subjects: | |
Online Access: | https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.5802/crmath.522/ |
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