Abstract

Using an analogy of the Lattès’ construction of chaotic rational functions, we show that there are uniformly quasiregular mappings of the n n -sphere R ¯ n \overline {{\Bbb R}}^n whose Julia set is the whole sphere. Moreover there are analogues of power mappings, uniformly quasiregular mappings whose Julia set is S n − 1 {\Bbb S}^{n-1} and its complement in S n {\Bbb S}^{n} consists of two superattracting basins. In the chaotic case we study the invariant conformal structures and show that Lattès type rational mappings are either rigid or form a 1-parameter family of quasiconformal deformations.

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