Timeline for Does a Banach algebra version of "the sum of a closed subspace and a finite dimensional subspace is always closed" exist?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| Aug 2 at 7:31 | vote | accept | Qingping Zeng | ||
| Jul 30 at 1:32 | history | edited | David Gao | CC BY-SA 4.0 |
added 9 characters in body
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| Jul 30 at 1:30 | comment | added | David Gao | Since $\varphi_x$ may be chosen of norm $\frac{1}{d(x,M)}$, this also implies the free algebra construction I proposed in comments also works, in that $E$ actually naturally isometrically embeds into the free algebra proposed there. | |
| Jul 30 at 1:23 | history | answered | David Gao | CC BY-SA 4.0 |