Abstract
Let f and g be C r unimodal maps, with r ≥ 3, topologically conjugated by h and without periodic attractors. If h is differentiable at a point p in the expanding set E(f), with h′(p)≠0, then, there is an open renormalization interval J such that h is a C r diffeomorphism in the basin B(J) of J, and h is not differentiable at any point in I ∖ B(J). The expanding set E(f) contains all points with positive Lyapunov exponent, and if f has a Milnor’s interval cycle attractor A then E(f) has full Lebesgue measure.
Keywords
- Periodic Point
- Quadratic Differential
- Positive Lyapunov Exponent
- Periodic Attractor
- Topological Conjugacy
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Acknowledgements
Alberto Pinto would like to thank LIAAD-INESC Porto LA, Calouste Gulbenkian Foundation, PRODYN-ESF, POCTI and POSI by FCT and Ministério da Ciência e da Tecnologia, and the FCT Pluriannual Funding Program of the LIAAD-INESC Porto LA and of the Research Centre of Mathematics of University of Minho, for their financial support.
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Alves, J.F., Pinheiro, V., Pinto, A.A. (2011). Explosion of Smoothness for Conjugacies Between Unimodal Maps. In: Peixoto, M., Pinto, A., Rand, D. (eds) Dynamics, Games and Science II. Springer Proceedings in Mathematics, vol 2. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14788-3_8
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