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    Bergweiler, Walter and Nicks, Daniel A. 2014. Foundations for an iteration theory of entire quasiregular maps. Israel Journal of Mathematics, Vol. 201, Issue. 1, p. 147.


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  • Mathematical Proceedings of the Cambridge Philosophical Society, Volume 151, Issue 3
  • November 2011, pp. 541-550

Julia sets of uniformly quasiregular mappings are uniformly perfect

  • ALASTAIR N. FLETCHER (a1) and DANIEL A. NICKS (a2)
  • DOI: http://dx.doi.org/10.1017/S0305004111000478
  • Published online: 18 July 2011
Abstract
Abstract

It is well known that the Julia set J(f) of a rational map f: is uniformly perfect; that is, every ring domain which separates J(f) has bounded modulus, with the bound depending only on f. In this paper we prove that an analogous result is true in higher dimensions; namely, that the Julia set J(f) of a uniformly quasiregular mapping f: nn is uniformly perfect. In particular, this implies that the Julia set of a uniformly quasiregular mapping has positive Hausdorff dimension.

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Mathematical Proceedings of the Cambridge Philosophical Society
  • ISSN: 0305-0041
  • EISSN: 1469-8064
  • URL: /core/journals/mathematical-proceedings-of-the-cambridge-philosophical-society
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