Why is $\mathbb A^1$ not projective? i.e. why is it not isomorphic to a projective variety?
I'm drawing a complete blank here...
Any help would be appreciated. Thanks!
Why is $\mathbb A^1$ not projective? i.e. why is it not isomorphic to a projective variety?
I'm drawing a complete blank here...
Any help would be appreciated. Thanks!