Timeline for Why do "large" opens of abelian surfaces have "small" canonical bundle?
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| when toggle format | what | by | license | comment | |
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| Feb 18, 2018 at 0:49 | comment | added | Chen Jiang | $K_B=f^*K_A+E$, where $E$ is an effective $f$-exceptional divisor supported on $D$. Hence $K_B+D$ has same Kodaira dimension as $K_A$ which is $0$. But of course it is not trivial. | |
| Feb 17, 2018 at 21:05 | history | asked | Gonal_curve | CC BY-SA 3.0 |