Let (X, d) be a compact metric space and f: X -> X be continuous. Let (f) over bar be the natural extension of f to the space of all non-empty compact subsets of X endowed with the Hausdorff metric induced by d. In this paper. some dynamical properties of f and I are considered. It is shown that positive topological entropy, Li-Yorke chaos and distributional chaos of f imply those off, respectively, but not conversely. The results give art answer to the question proposed by Roman-Flores. (C) 2007 Elsevier Ltd. All rights reserved.
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Univ Dschang, IUT Fotso Victor Bandjoun, Dept Telecommun & Network Engn, POB 134, Bandjoun, CameroonUniv Dschang, IUT Fotso Victor Bandjoun, Dept Telecommun & Network Engn, POB 134, Bandjoun, Cameroon
Tamba, Victor Kamdoum
Rajagopal, Karthikeyan
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PNG Univ Technol, Dept Elect & Commun Engn, Lae, Morobe, Papua N GuineaUniv Dschang, IUT Fotso Victor Bandjoun, Dept Telecommun & Network Engn, POB 134, Bandjoun, Cameroon
Rajagopal, Karthikeyan
Viet-Thanh Pham
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Ton Duc Thang Univ, Fac Elect & Elect Engn, Modeling Evolutionary Algorithms Simulat & Artifi, Ho Chi Minh City, VietnamUniv Dschang, IUT Fotso Victor Bandjoun, Dept Telecommun & Network Engn, POB 134, Bandjoun, Cameroon
Viet-Thanh Pham
Duy Vo Hoang
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Ton Duc Thang Univ, Fac Elect & Elect Engn, Modeling Evolutionary Algorithms Simulat & Artifi, Ho Chi Minh City, VietnamUniv Dschang, IUT Fotso Victor Bandjoun, Dept Telecommun & Network Engn, POB 134, Bandjoun, Cameroon