Timeline for Homogeneous polynomial map inducing diffeomorphism of $\mathbb{R}^3\setminus\{0\}$
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 24, 2020 at 9:54 | comment | added | YCor | Note: the inverse diffeomorphism is given by $x\mapsto |x|^{-2/3}x$. | |
| Feb 24, 2020 at 8:38 | history | edited | YCor | CC BY-SA 4.0 |
formatted latex
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| Feb 23, 2020 at 19:26 | comment | added | Kevin Casto | @MateuszKwaśnicki oops you're right! | |
| Feb 23, 2020 at 18:55 | comment | added | Mateusz Kwaśnicki | @KevinCasto: Isn't the Jacobian $3(x^2+y^2+z^2)^3$? | |
| Feb 23, 2020 at 16:28 | comment | added | Zach Teitler | Oh right! Thanks. | |
| Feb 23, 2020 at 16:28 | comment | added | user44191 | @ZachTeitler I think it is - $|x|^2 = x_1^2 + x_2^2 + x_3^2$ is a polynomial. | |
| Feb 23, 2020 at 16:14 | comment | added | Zach Teitler | That's not a polynomial. | |
| Feb 23, 2020 at 14:44 | history | answered | Hengy | CC BY-SA 4.0 |