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Riemann surfaces(Riemannian surfaces) is one dimensional complex manifold. For questions about classical examples in complex analysis, complex geometry, surface topology.

1 vote
3 answers
727 views

A special case of the uniformization theorem

I am interested in a proof of the following fact : Suppose that $X$ is a Riemann surface homeomorphic to the Riemann sphere. Then $X$ is conformally equivalent to the Riemann sphere. Of course, this …
Malik Younsi's user avatar
  • 2,154
9 votes
3 answers
717 views

Can the limit set of an infinitely generated Schottky group have positive area?

Dear Mathoverflow Community, Suppose that $\Omega$ is a domain in the Riemann Sphere $\widehat{\mathbb{C}}$ with $\infty \in \Omega$, and assume that every connected component of $\partial \Omega$ is …
Malik Younsi's user avatar
  • 2,154
4 votes

A question on Ahlfors covering surface

Yes it can, see the paper A new proof of the Ahlfors five islands theorem by Walter Bergweiler. The proof is based on a result on Nevanlinna concerning perfectly branched values, Zalcman's rescaling l …
Malik Younsi's user avatar
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8 votes
Accepted

Fixed points on Riemann surface

This theorem is an immediate consequence of a result by B. Maskit, which states that one may associate with $\Omega$ another domain $\Omega'$, conformally equivalent to $\Omega$, such that all conform …
Malik Younsi's user avatar
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3 votes

Reference request: uniformization theorem

Let me second Alex Eremenko's suggestion for Donald Marshall, Complex Analysis, Cambridge 2019. The proof is based on the new notion of dipole Green's function, and is especially interesting in view o …
Malik Younsi's user avatar
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