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Mar 21, 2013 at 23:20 comment added user2013 Thank you for the answer, but could you explain a bit more? I don't know why it is enough to check $H^0(T_{\mathbb{P}^2}(-2))=0$. I am not familiar with this field.
Mar 21, 2013 at 20:43 history answered Sasha CC BY-SA 3.0