Timeline for Have you seen this PDE before?
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
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| S Jul 15, 2020 at 17:01 | history | suggested | Overflowian |
Removed inappropriate tag
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| Jul 15, 2020 at 16:02 | review | Suggested edits | |||
| S Jul 15, 2020 at 17:01 | |||||
| Jul 15, 2020 at 10:35 | comment | added | fsp-b | Many thanks for your comment, @MartinHairer I in fact happen to be interested in positive solutions only, so for me, this in fact gives what I needed. | |
| Jul 15, 2020 at 10:27 | comment | added | Martin Hairer | @fsp-b Not completely: it shows that it is true for positive solutions, but since the equation has compactly supported solutions, you can combine them to form solutions that aren't (globally) separable. | |
| Jul 15, 2020 at 10:19 | comment | added | fsp-b | That settles it, thanks. @IgorKhavkine | |
| Jul 15, 2020 at 9:57 | comment | added | Igor Khavkine | This equation is equivalent to $\partial_x \partial_y \log(\varphi) = 0$. This is the 2-dimensional wave equation for $\log(\varphi)$ in "null" coordinates. | |
| Jul 15, 2020 at 9:53 | history | asked | fsp-b | CC BY-SA 4.0 |