Skip to main content
3 events
when toggle format what by license comment
Nov 17, 2012 at 23:52 comment added algori Qing Liu -- yes, indeed. By the way, slightly generalizing the argument one sees that a projective variety $X$ can be covered by $\dim X+1$ affine sets.
Nov 17, 2012 at 22:09 comment added Qing Liu Very nice ! Over a finite field, one can use hypersurfaces instead of hyperplanes.
Nov 17, 2012 at 19:15 history answered algori CC BY-SA 3.0