Summary.
Let f be a continuous self-map of I = [0, 1] with ω(x, f) the ω-limit set of f generated by x in I. We consider two closely related questions: when is \(P(f) = \bigwedge(f)\), and more specifically, when is an ω-limit set contained in the Hausdorff closure of the periodic orbits? The connection between these properties of interval maps and their chaotic properties is investigated. In particular, we show that the property \(\overline{P(f)} = \bigwedge(f)\) cannot be characterized in terms of the chaotic behavior of the function f, and that the condition \(\overline{P(f)} = CR(f)\) insures that every ω-limit set of f is contained in the Hausdorff closure of the periodic orbits of f.
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This work was partially supported by Ministero dell’Università e della Ricerca Scientifica e Tecnologica (Italy) (PRIN 2004: Analisi Reale e Teoria della Misura), and completed in part during the second author’s visit to Università degli Studi di Napoli “Federico II”.
Manuscript received: June 6, 2006 and, in final form, January 9, 2007.
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D’Aniello, E., Steele, T.H. Approximating ω-limit sets with periodic orbits. Aequ. math. 75, 93–102 (2008). https://doi.org/10.1007/s00010-007-2893-7
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DOI: https://doi.org/10.1007/s00010-007-2893-7