Timeline for Can a positive polynomial on sphere be represented as the sum of squares of spherical harmonics
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 18, 2018 at 10:36 | vote | accept | Jie Pan | ||
| Aug 17, 2018 at 1:15 | vote | accept | Jie Pan | ||
| Aug 17, 2018 at 2:31 | |||||
| Aug 16, 2018 at 0:47 | comment | added | Jie Pan | @Gro-Tsen I mean if a polynomial is sum of squares, is it sum of square of spherical harmonics? or when? | |
| Aug 16, 2018 at 0:27 | comment | added | Gro-Tsen | @JiePan Spherical harmonics are polynomials (in $x,y,z$), so if a polynomial is not a sum of squares of polynomials, it is certainly not a sum of square of spherical harmonics… | |
| Aug 16, 2018 at 0:06 | comment | added | Jie Pan | Thank you very much! In fact, my question is on the relationship between the sum of suqare polynomial and the polynomial that sum of squares spherical harmonics. Could you give me some advice? | |
| Aug 14, 2018 at 20:46 | history | answered | Zach Teitler | CC BY-SA 4.0 |