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Dynamics of holomorphic transformations; Mandelbrot and Julia sets.

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
  • 2,154
10 votes
1 answer
372 views

On the conformal removability of Jordan curves

We say that a compact subset $E$ of the Riemann sphere $\mathbb{C}_\infty$ is (conformally) removable if every homeomorphism of $\mathbb{C}_\infty$ conformal outside $E$ is actually conformal everywhe …
Malik Younsi's user avatar
  • 2,154
7 votes

Non-locally connected polynomial Julia sets

There is a necessary and sufficient condition due to Yoccoz in terms of continued fraction expansion. The condition is that $\lambda=e^{2\pi i \theta}$ should be such that $\theta$ is not a Brjuno num …
Malik Younsi's user avatar
  • 2,154