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Jun 8, 2010 at 21:38 answer added Tim Perutz timeline score: 3
Jun 8, 2010 at 20:03 history edited David Treumann CC BY-SA 2.5
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Jun 8, 2010 at 19:22 answer added Donu Arapura timeline score: 3
Jun 8, 2010 at 19:18 comment added Tim Perutz Um... Assume $X$ is Kaehler so that I have a Hodge decomposition. Doesn't complex conjugation then map $H^{(2,0)}$ into $H^{(0,2)}$? So isn't it the case that the image of $H^2(X;\mathbb{Z})$ in $H^2(X;\mathbb{C})$ intersects the $(2,0)$ part trivially? (One could ask about the real part of $H^{(2,0)}+H^{(0,2)}$, though.)
Jun 8, 2010 at 19:05 history asked David Treumann CC BY-SA 2.5