Timeline for Would such polynomial identity exist? (related to sum of four squares)
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 13, 2014 at 6:38 | vote | accept | joro | ||
| Mar 12, 2014 at 16:22 | answer | added | Sasha | timeline score: 5 | |
| Mar 12, 2014 at 15:48 | answer | added | Jeremy Rouse | timeline score: 18 | |
| Mar 12, 2014 at 15:34 | comment | added | Zack Wolske | Equating coefficients (in either the case of $4$ or $k$) gives you two sums of squares equations, and one sum of products. Compare these with the Cauchy-Schwarz inequality to confirm that they must all be scalar multiples. | |
| Mar 12, 2014 at 15:18 | history | asked | joro | CC BY-SA 3.0 |