Timeline for difference of curve classes
Current License: CC BY-SA 3.0
16 events
| when toggle format | what | by | license | comment | |
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| Jan 23, 2013 at 19:02 | comment | added | Mohammad Farajzadeh-Tehrani | Can you describe the torsion 2nd homology class in some Enrique surface as a difference of two curve classes? | |
| Nov 1, 2012 at 3:25 | comment | added | Philip Engel | This works whether or not $D$ is torsion, for any $(1,1)$-class in $H^2(X,\mathbb{Z})$. | |
| Oct 29, 2012 at 3:02 | comment | added | Mohammad Farajzadeh-Tehrani | what is torsion here! | |
| Oct 26, 2012 at 20:11 | history | edited | Philip Engel | CC BY-SA 3.0 |
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| Oct 25, 2012 at 15:53 | comment | added | Henri | In dim>1, an ample divisor is always connected. This follows by Lefschetz theorem. | |
| Oct 25, 2012 at 15:22 | history | edited | Philip Engel | CC BY-SA 3.0 |
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| Oct 25, 2012 at 15:12 | history | edited | Philip Engel | CC BY-SA 3.0 |
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| Oct 25, 2012 at 11:35 | history | edited | Philip Engel | CC BY-SA 3.0 |
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| Oct 25, 2012 at 11:15 | history | edited | Philip Engel | CC BY-SA 3.0 |
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| Oct 25, 2012 at 11:11 | comment | added | Philip Engel | Yeah, dunno what I was thinking... I totally just got it backwards. | |
| Oct 25, 2012 at 11:09 | history | edited | Philip Engel | CC BY-SA 3.0 |
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| Oct 25, 2012 at 10:38 | comment | added | rita | It seems to me that your $S'$ is just the product $Y\times E$. To get multiple fibers you have to make some more complicated construction. | |
| Oct 25, 2012 at 9:21 | history | edited | Philip Engel | CC BY-SA 3.0 |
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| Oct 25, 2012 at 8:32 | history | edited | Philip Engel | CC BY-SA 3.0 |
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| Oct 25, 2012 at 8:25 | history | edited | Philip Engel | CC BY-SA 3.0 |
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| Oct 25, 2012 at 8:19 | history | answered | Philip Engel | CC BY-SA 3.0 |