Timeline for Constructing a function $u$ such that $\int_{\mathbb{R}^2}|\eta-\xi||\hat{u}(\eta)|^2|\hat{u}(\xi)|^2\,d\xi\,d\eta<\infty$, but $u\notin H^{1/2}$
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 14 at 21:35 | vote | accept | Dispersion | ||
| Sep 14 at 14:51 | vote | accept | Dispersion | ||
| Sep 14 at 14:51 | |||||
| Sep 14 at 12:51 | comment | added | Giorgio Metafune | Nice proof, I was almost writing a worse one! | |
| Sep 14 at 12:37 | history | answered | Aleksei Kulikov | CC BY-SA 4.0 |