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Dynamics of hyperbolic correspondences

Published online by Cambridge University Press:  04 May 2021

CARLOS SIQUEIRA*
Affiliation:
Department of Mathematics, Federal University of Bahia, Salvador CEP 40170115, Brazil
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Abstract

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This paper establishes the geometric rigidity of certain holomorphic correspondences in the family $(w-c)^q=z^p$, whose post-critical set is finite in any bounded domain of $\mathbb {C}$. In spite of being rigid on the sphere, such correspondences are J-stable by means of holomorphic motions when viewed as maps of $\mathbb {C}^2$. The key idea is the association of a conformal iterated function system to the return branches near the critical point, giving a global description of the post-critical set and proving the hyperbolicity of these correspondences.

Information

Type
Original Article
Copyright
© The Author(s), 2021. Published by Cambridge University Press