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Entropy 2014, 16(2), 627-644; https://doi.org/10.3390/e16020627

A Simplified Algorithm for the Topological Entropy of Multimodal Maps

Centro de Investigación Operativa, Universidad Miguel Hernández, Avda. de la Universidad s/n, Elche 03202, Spain
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Received: 5 December 2013 / Revised: 14 January 2014 / Accepted: 14 January 2014 / Published: 23 January 2014
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Abstract

A numerical algorithm to compute the topological entropy of multimodal maps is proposed. This algorithm results from a closed formula containing the so-called min-max symbols, which are closely related to the kneading symbols. Furthermore, it simplifies a previous algorithm, also based on min-max symbols, which was originally proposed for twice differentiable multimodal maps. The new algorithm has been benchmarked against the old one with a number of multimodal maps, the results being reported in the paper. The comparison is favorable to the new algorithm, except in the unimodal case. View Full-Text
Keywords: topological entropy; multimodal maps; min-max symbols topological entropy; multimodal maps; min-max symbols
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Amigó, J.M.; Giménez, Á. A Simplified Algorithm for the Topological Entropy of Multimodal Maps. Entropy 2014, 16, 627-644.

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