Timeline for Norms as Points in $C(X)$
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Sep 2, 2019 at 9:07 | comment | added | Jochen Wengenroth | A discontinuous multiplicative seminorm on a dense subalgebra $A$ of $C([-1,1]\to \mathbb R)$ is easy to find: Take $A$ as all polynomials and $\|p\|=|p(2)|$. However, I doubt very much that one can extend it by Zorn's lemma. | |
| Aug 31, 2019 at 15:13 | history | edited | LSpice | CC BY-SA 4.0 |
TeX; \|\| -> \Abs; || -> \abs
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| Aug 31, 2019 at 14:48 | vote | accept | CommunityBot | moved from User.Id=30211 by developer User.Id=481663 | |
| Aug 31, 2019 at 14:46 | history | edited | Terry Tao | CC BY-SA 4.0 |
added 228 characters in body
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| Aug 31, 2019 at 14:40 | history | answered | Terry Tao | CC BY-SA 4.0 |