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arXiv · 1410.0591

Non-archimedean connected Julia sets with branching

Dvij Bajpai·Robert L. Benedetto·Ruqian Chen·Edward Kim·Owen Marschall·Darius Onul·Yang Xiao
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Abstract

We construct the first examples of rational functions defined over a non-archimedean field with certain dynamical properties. In particular, we find such functions whose Julia sets, in the Berkovich projective line, are connected but not contained in a line segment. We also show how to compute the measure-theoretic and topological entropy of such maps. In particular, we show for some of our examples that the measure-theoretic entropy is strictly smaller than the topological entropy, thus answering a question of Favre and Rivera-Letelier.

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Dvij Bajpai, Robert L. Benedetto, Ruqian Chen, Edward Kim, Owen Marschall, Darius Onul, Yang Xiao. 2015-04-06. Non-archimedean connected Julia sets with branching. https://arxiv.org/abs/1410.0591

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