Timeline for Second order partial derivatives of Sobolev functions
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Mar 11, 2021 at 16:43 | review | Close votes | |||
| Mar 15, 2021 at 7:10 | |||||
| Mar 11, 2021 at 16:27 | comment | added | Piotr Hajlasz | The answer is yes. Since the first order partial derivatives are in $W^{1,1}_{rm loc}$ so partial derivatives have partial derivatives i.e. second order partial derivatives exist a.e. However, the function is no not necessarily twice differentiable in the Frechet sense. | |
| Mar 11, 2021 at 15:59 | history | edited | Glorfindel | CC BY-SA 4.0 |
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| Mar 11, 2021 at 15:55 | review | First posts | |||
| Mar 11, 2021 at 16:08 | |||||
| Mar 11, 2021 at 15:52 | history | asked | user798883 | CC BY-SA 4.0 |