Timeline for How to demonstrate $SO(3)$ is not simply connected?
Current License: CC BY-SA 2.5
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 30, 2010 at 4:17 | comment | added | David Lehavi | If you want a formal proof, take the SU(2)->SO(3) double cover and be done with it; this is an "informal demonstration". | |
| Apr 30, 2010 at 0:43 | comment | added | Dan Piponi | That video convinces me that a 720 degree rotation is contractible. It doesn't convince me that a 360 degree rotation isn't contractible. | |
| Apr 29, 2010 at 13:53 | history | answered | David Lehavi | CC BY-SA 2.5 |