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A note on periodic points of dendrite maps and their induced maps

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Abstract Let X be a compact metric space and 2 X be the hyperspace of all nonempty closed subsets of X endowed with the Hausdorff metric. It is well known… Click to show full abstract

Abstract Let X be a compact metric space and 2 X be the hyperspace of all nonempty closed subsets of X endowed with the Hausdorff metric. It is well known that for each continuous map f : X → X , the density of periodic points of f implies the density of periodic points of the induced map 2 f : 2 X → 2 X . Mendez (2010) conjectured in [6] that the converse is true when the phase space X is a dendrite. In [8] , Ŝpitalský (2015) constructed a continuous transitive map F : X → X on a dendrite X with only two periodic points. We prove in this note that the set of periodic points of its induced map 2 F is dense in 2 X . This answers in the negative Mendez's conjecture.

Keywords: periodic points; dendrite maps; note periodic; induced maps; points dendrite; maps induced

Journal Title: Journal of Mathematical Analysis and Applications
Year Published: 2017

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