Cubic rational maps with escaping critical points, Part Ⅱ: Classification of Julia sets in the case of a parabolic fixed point

Julia sets of bi-critical rational maps are either connected or a Cantor set. This Julia set dichotomy has been extended to any cubic rational map with all critical points escaping to an attracting fixed point. In this paper, we classified the Julia set of an arbitrary cubic rational map with all critical points escaping to a parabolic fixed point. We proved a Julia set trichotomy (connected, Cantor set, semi-Cantor set) for such cubic rational maps when the multiplier at the parabolic fixed point is 1.

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Publication Details

Journal
Discrete and Continuous Dynamical Systems
Published
2025-01-01
DOI
https://doi.org/10.3934/dcds.2025062
Primary Topic
Mathematical Dynamics and Fractals
Type
article
Field-Weighted Citation Impact
0.00

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article

Cubic rational maps with escaping critical points, Part Ⅱ: Classification of Julia sets in the case of a parabolic fixed point

Jun Hu, Arkady Etkin
Discrete and Continuous Dynamical Systems
Mathematical Dynamics and Fractals
article

Cubic rational maps with escaping critical points, Part Ⅱ: Classification of Julia sets in the case of a parabolic fixed point

Jun Hu, Arkady Etkin
article en

Abstract

Julia sets of bi-critical rational maps are either connected or a Cantor set. This Julia set dichotomy has been extended to any cubic rational map with all critical points escaping to an attracting fixed point. In this paper, we classified the Julia set of an arbitrary cubic rational map with all critical points escaping to a parabolic fixed point. We proved a Julia set trichotomy (connected, Cantor set, semi-Cantor set) for such cubic rational maps when the multiplier at the parabolic fixed point is 1.

Discrete and Continuous Dynamical SystemsVol. 45(11)
The Graduate Center, CUNY (US)
City University of New York
Openalex Percentile: Top 85%
Mathematical Dynamics and Fractals
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