Timeline for Is there a Riemannian submersion from $Gl(2,\mathbb{R})$ to the Poincare half plane?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 17, 2019 at 5:19 | vote | accept | Ali Taghavi | ||
| Dec 27, 2018 at 17:28 | comment | added | Tobias Diez | $h_A$ is the left translation of the Killing form of $\mathfrak{sl}$ (up to some constant). Since $\mathfrak{sl}$ is semisimple, the Killing form is non-degenerate. | |
| Dec 27, 2018 at 14:05 | comment | added | Ali Taghavi | Is it really an inner product?$h_A$?may be you mean $W^{tr}?in this case why the form is symmetric? | |
| Dec 22, 2018 at 19:21 | comment | added | Ali Taghavi | Thank you very much for your answer. I read it to understand its detail. | |
| Dec 21, 2018 at 16:15 | history | answered | Tobias Diez | CC BY-SA 4.0 |