Timeline for Why multivaraite positive polynomials cannot be written as sum of squares?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 13, 2017 at 12:58 | history | edited | CommunityBot | replaced http://mathoverflow.net/ with https://mathoverflow.net/ | |
| Feb 24, 2015 at 8:14 | comment | added | ljl | the example is very helpful, thanks! | |
| Feb 24, 2015 at 8:13 | vote | accept | ljl | ||
| Feb 24, 2015 at 7:46 | history | answered | Robert Israel | CC BY-SA 3.0 |