Tagged Questions
10
votes
1answer
220 views
How to properly use GAGA correspondence
currently studying algebraic surfaces over the complex numbers. Before i did some algebraic geometry (I,II,start of III of Hartshorne) and a course on Riemann surfaces.
Now i understood that by GAGA, ...
4
votes
2answers
272 views
Hartshorne exercise about sheaves on $\mathbb{P}^1$
I've been stuck on Exercise II.1.21(e) from Hartshorne's book for quite a while. It concerns the projective line $\mathbb{P}^1$ over an algebraically closed field $k$: write $\mathscr{H}$ for the ...