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 Autonoma Estado Mexico, Fac Ciencias, Inst Literario 100, Toluca 50000, MexicoUniv Autonoma Estado Mexico, Fac Ciencias, Inst Literario 100, Toluca 50000, Mexico
Castaneda-Alvarado, Enrique
Carlos Mondragon, Roberto
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Univ Autonoma Estado Mexico, Fac Ciencias, Inst Literario 100, Toluca 50000, MexicoUniv Autonoma Estado Mexico, Fac Ciencias, Inst Literario 100, Toluca 50000, Mexico
Carlos Mondragon, Roberto
Ordonez, Norberto
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Univ Autonoma Estado Mexico, Fac Ciencias, Inst Literario 100, Toluca 50000, MexicoUniv Autonoma Estado Mexico, Fac Ciencias, Inst Literario 100, Toluca 50000, Mexico
Ordonez, Norberto
Orozco-Zitli, Fernando
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Univ Autonoma Estado Mexico, Fac Ciencias, Inst Literario 100, Toluca 50000, MexicoUniv Autonoma Estado Mexico, Fac Ciencias, Inst Literario 100, Toluca 50000, Mexico