Timeline for Base locus of divisors on blowings up of the projective space
Current License: CC BY-SA 2.5
11 events
| when toggle format | what | by | license | comment | |
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| Mar 31, 2011 at 19:20 | vote | accept | Gianni Bello | ||
| Mar 31, 2011 at 19:21 | |||||
| Mar 31, 2011 at 2:37 | comment | added | Sándor Kovács | @Anyone who cares: I only edited formatting, not content. (On my screen the last bunch of math symbols jumped up over the first line and I made that go away.) Cheers. | |
| Mar 31, 2011 at 2:35 | history | edited | Sándor Kovács | CC BY-SA 2.5 |
added a word to change line break and get rid of weird displacement of math symbol
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| Mar 30, 2011 at 20:56 | answer | added | Gianni Bello | timeline score: 2 | |
| Mar 30, 2011 at 11:47 | comment | added | quim | The question seems to be open: see section 3.9 in arXiv:1101.4363 | |
| Mar 30, 2011 at 6:42 | history | edited | David Lehavi |
added the tag open problem
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| Mar 30, 2011 at 6:02 | answer | added | Csar Lozano Huerta | timeline score: 1 | |
| Oct 1, 2010 at 14:00 | comment | added | quim | In $P^2$, this would follow from the famous Segre-Harbourne-Gimigliano-Hirschowitz conjecture (see ams.org/notices/199902/miranda.pdf for instance) which describes all special systems. So it will be hard to come up with a counterexample ;) But it does not seem an easy thing to prove without SHGH.. | |
| Oct 1, 2010 at 9:44 | comment | added | Angelo | He is assuming that the divisor is effective. | |
| Oct 1, 2010 at 9:38 | comment | added | damiano | What is the relationship between $d$ and $r$? If $d$ is large enough with respect to $r$, then what you want is true; otherwise, the stable base locus could be the whole $X$, since there may not be non-zero section of the relevant line bundle. | |
| Oct 1, 2010 at 8:57 | history | asked | Gianni Bello | CC BY-SA 2.5 |