Timeline for Sufficient criteria for $X \subset \mathcal{H}$ to be a Lipschitz (or unif. cont.) retract of $\mathcal{H}$
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| Apr 27, 2023 at 19:05 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
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| May 19, 2018 at 6:57 | comment | added | Taras Banakh | Inspect the proof of the Kirszbraun Theorem and isolate the property of intersectiong balls used in the proof. Then check this property on your particular example. More information on Lipschitz retractions of Hilbert spaces can be found in the book of Benyamini and Lindenstrauss. | |
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| Dec 19, 2017 at 11:35 | history | edited | PhoemueX | CC BY-SA 3.0 |
Clarified the retract property (vs. Kirszbraun's theorem)
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| Dec 19, 2017 at 11:19 | answer | added | Rafa E. | timeline score: -1 | |
| Dec 19, 2017 at 11:02 | history | asked | PhoemueX | CC BY-SA 3.0 |