Skip to main content
3 events
when toggle format what by license comment
Apr 1 at 0:45 comment added Kenta Suzuki Is the statement about $\mathbb P^1\times\mathbb P^1$ correct? The line bundle $E=\mathcal O(0,-2) $ has cohomology in degree $1$ since $H^1(\mathcal O(m,n))=H^0(\mathcal O(m))\otimes H^1(\mathcal O(n))\oplus H^1(\mathcal O(m))\otimes H^0(\mathcal O(n))$.
Nov 6, 2017 at 13:18 comment added Mtheorist The updated link for the "theorem of the square" is math.ru.nl/~bmoonen/BookAV/LineBund.pdf
Jan 28, 2013 at 8:14 history answered Daniel Litt CC BY-SA 3.0