Article ID Journal Published Year Pages File Type
4665049 Advances in Mathematics 2016 40 Pages PDF
Abstract

We prove that if ξ is a quasisymmetric homeomorphism between Sierpiński carpets that are Julia sets of postcritically-finite rational maps, then ξ is the restriction of a Möbius transformation. This implies that the group of quasisymmetric homeomorphisms of a Sierpiński carpet Julia set of a postcritically-finite rational map is finite.

Related Topics
Physical Sciences and Engineering Mathematics Mathematics (General)
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