Timeline for Take contraction wrt a vector field twice and define kernel mod image. Does that give anything interesting?
Current License: CC BY-SA 3.0
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| when toggle format | what | by | license | comment | |
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| Jan 12, 2015 at 13:54 | comment | added | shuhalo | Do you know what happens if $d\alpha \neq 0$ holds? I would be highly interested in a reference that develops this case for people with differential geometric background. | |
| Oct 18, 2014 at 6:07 | history | answered | Qiaochu Yuan | CC BY-SA 3.0 |