Multiply connected wandering domains of meromorphic functions: the pursuit of uniform internal dynamics

Ferreira, Gustavo R. (2024). Multiply connected wandering domains of meromorphic functions: the pursuit of uniform internal dynamics. Ergodic Theory and Dynamical Systems, 44(3) pp. 727–748.

DOI: https://doi.org/10.1017/etds.2023.27

Abstract

Recently, Benini et al showed that, in simply connected wandering domains of entire functions, all pairs of orbits behave in the same way relative to the hyperbolic metric, thus giving us our first insight into the general internal dynamics of such domains. The author proved in a recent paper [G. R. Ferreira. Multiply connected wandering domains of meromorphic functions: internal dynamics andconnectivity. J. Lond. Math. Soc. (2) 106 (2022), 1897–1919] that the same is not true for multiply connected wandering domains, a natural question is how inhomogeneous multiply connected wandering domains can be. We give an answer to this question, in that we show that uniform dynamics inside an open subset of the domain generalizes to the whole wandering domain. As an application of this result, we construct the first example of a meromorphic function with a semi-contracting infinitely connected wandering domain.

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