Timeline for A distributional normal derivative for functions in $H^1(\Omega)$
Current License: CC BY-SA 4.0
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| Mar 10, 2020 at 9:29 | history | edited | gerw | CC BY-SA 4.0 |
added 28 characters in body
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| Dec 13, 2014 at 17:08 | comment | added | riem | I do agree that is not possible to define the normal derivative for all $H^1$ functions. Well $\Delta u \in H^1(\Omega)^*$ can be defined $\langle \Delta u, v \rangle = \int_\Omega \nabla u \nabla v$. Also $C_c^\infty$ is not dense in $H^1$. | |
| Nov 8, 2014 at 19:26 | history | answered | gerw | CC BY-SA 3.0 |