Timeline for Global section of line bundle on anti-canonical rational surface
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Apr 5, 2017 at 13:32 | history | edited | user41650 | CC BY-SA 3.0 |
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| Apr 5, 2017 at 13:29 | comment | added | user41650 | @potentiall dense, edited . If $X$ is say weak del pezzo surface of degree $K_X^2\geq 2$, then $|-K_X|$ is base point free, then the generic member of this linear system is smooth elliptic curve, in this case $H^0(O_C(D))\neq 0$. | |
| Apr 5, 2017 at 12:12 | comment | added | Lazzaro Campeotti | I don't understand how "then it works" can be an answer to "what can we say about $X$?" Can you clarify exactly what the question is? | |
| Apr 5, 2017 at 11:45 | history | edited | user41650 | CC BY-SA 3.0 |
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| Apr 5, 2017 at 9:53 | history | edited | user41650 | CC BY-SA 3.0 |
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| Apr 5, 2017 at 9:44 | history | asked | user41650 | CC BY-SA 3.0 |