Timeline for Ampleness of the universal subbundle
Current License: CC BY-SA 2.5
8 events
when toggle format | what | by | license | comment | |
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Sep 14, 2010 at 7:16 | vote | accept | ginevra86 | ||
Sep 13, 2010 at 17:29 | answer | added | Dave Anderson | timeline score: 5 | |
Sep 13, 2010 at 17:06 | comment | added | ginevra86 | I am interested in the dual of the universal subbundle | |
Sep 13, 2010 at 17:03 | comment | added | ginevra86 | sorry...I had forgotten to write "the dual of" | |
Sep 13, 2010 at 17:03 | history | edited | ginevra86 | CC BY-SA 2.5 |
added 12 characters in body
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Sep 13, 2010 at 16:59 | comment | added | Mohan | I would assume never. If $U$ is ample on $G$, then its restriction to a fiber over $x\in X$ must be too, but this just takes you back to the universal subbundle of the Grasmmannian of $r+1$ dimensional subspaces in a vector space and thus can not be ample. | |
Sep 13, 2010 at 16:44 | history | edited | Francesco Polizzi |
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Sep 13, 2010 at 16:35 | history | asked | ginevra86 | CC BY-SA 2.5 |