Timeline for Unique almost complex structure up to diffeomorphism
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 7, 2020 at 12:37 | vote | accept | CommunityBot | ||
| Oct 7, 2020 at 12:28 | comment | added | Dmitri Panov | Because you can choose an almost complex structure in a ball as you wish, and then extend to the whole manifold. Basically, when you have some almost complex structure on your manifold, you can take a point $p$ and a very small neighbourhood of it with some smooth coordinates. Then in this small neighbourhood $J$ is almost constant. You can perturb it to make it constant | |
| Oct 7, 2020 at 12:16 | comment | added | user164740 | why is there an almost complex structure that is integrable in some closed ball? | |
| Oct 7, 2020 at 11:56 | history | answered | Dmitri Panov | CC BY-SA 4.0 |