Skip to main content

All Questions

Filter by
Sorted by
Tagged with
12 votes
2 answers
2k views

Universal covering of a 2-sphere without $n$ points

Let $X$ be the $\mathbb{C}\mathbb{P}^1$ with $n$ points deleted. Let $n\geq 3$. If I understand correctly, the universal covering of $X$ is isomorphic to the upper half plane as a complex analytic ...
asv's user avatar
  • 21.8k