Timeline for Why can we define the moment map in this way (i.e. why is this form exact)?
Current License: CC BY-SA 2.5
9 events
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| Feb 14, 2011 at 22:42 | history | edited | Ben Webster♦ | CC BY-SA 2.5 |
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| Feb 14, 2011 at 22:39 | comment | added | Simon Rose | ... or what you just said. | |
| Feb 14, 2011 at 22:39 | comment | added | Simon Rose | So I probably have to look more at José's answer then. | |
| Feb 14, 2011 at 22:38 | comment | added | Ben Webster♦ | OK, it's fixed now. As Jose said, there are obstructions to the existence for a moment map for a symplectic action, and one of them is that $i_X\omega$ must be exact, not just closed. | |
| Feb 14, 2011 at 22:36 | history | edited | Ben Webster♦ | CC BY-SA 2.5 |
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| Feb 14, 2011 at 22:35 | comment | added | Ben Webster♦ | Yes, my bad. Just writing a little too fast. | |
| Feb 14, 2011 at 22:25 | comment | added | Simon Rose | I'm a bit confused here. Isn't this just saying that $i_X \omega$ is closed? | |
| Feb 14, 2011 at 21:57 | history | edited | Ben Webster♦ | CC BY-SA 2.5 |
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| Feb 14, 2011 at 21:44 | history | answered | Ben Webster♦ | CC BY-SA 2.5 |