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Siegel disks and periodic rays of entire functions

  • Lasse Rempe
Veröffentlicht/Copyright: 29. Oktober 2008
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Journal für die reine und angewandte Mathematik
Aus der Zeitschrift Band 2008 Heft 624

Abstract

Let f be an entire function whose set of singular values is bounded and suppose that f has a Siegel disk U such that f|U is a homeomorphism. We show that U is bounded. Using a result of Herman, we deduce that if additionally the rotation number of U is Diophantine, then ∂U contains a critical point of f.

Suppose furthermore that all singular values of f lie in the Julia set. We prove that, if f has a Siegel disk U whose boundary contains no singular values, then the condition that f : ∂U → ∂U is a homeomorphism is automatically satisfied. We also investigate landing properties of periodic dynamic rays by similar methods.

Received: 2004-11-01
Revised: 2007-07-26
Published Online: 2008-10-29
Published in Print: 2008-November

© Walter de Gruyter Berlin · New York 2008

Heruntergeladen am 28.9.2025 von https://www.degruyterbrill.com/document/doi/10.1515/CRELLE.2008.081/html
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