Hyperbolicity of the invariant sets for the real polynomial maps |
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| Authors: | Xu Zhang |
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| Institution: | 1. College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China;2. Department of Microbiology, University of Innsbruck, Technikerstrasse 25d, 6020 Innsbruck, Austria;3. Federal State Budgetary Educational Institution of Higher Education “Saint-Petersburg State University” 7-9 Universitetskaya emb., 199034, Saint- Petersburg, Russia;4. Department of Biotechnology, Indian Institute of Technology (IIT) Roorkee, Roorkee 247667, Uttarakhand, India;1. Al-Hussein Bin Talal University, Jordan;2. Yarmouk University, Jordan |
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| Abstract: | In this paper, the conditions under which there exits a uniformly hyperbolic invariant set for the map fa(x) = ag(x) are studied, where a is a real parameter, and g(x) is a monic real-coefficient polynomial. It is shown that for certain parameter regions, the map has a uniformly hyperbolic invariant set on which it is topologically conjugate to the one-sided subshift of finite type for A, where ∣a∣ is sufficiently large, A is an eventually positive transition matrix, and g has at least two different real zeros or only one real zero. Further, it is proved that there exists an invariant set on which the map is topologically semiconjugate to the one-sided subshift of finite type for a particular irreducible transition matrix under certain conditions, and one type of these maps is not hyperbolic on the invariant set. |
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