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Nonwandering points of monotone local dendrite maps revisited. (English) Zbl 1403.37023

Summary: Let \(X\) be a local dendrite and let \(f : X \rightarrow X\) be a monotone map. Denote by \(P(f)\) and \(\Omega(f)\) the sets of periodic points and nonwandering points of \(f\), respectively. We show that \(\Omega(f) = \overline{P(f)}\), whenever \(P(f)\) is nonempty and \(\Omega(f)\) is the unique minimal set included in a circle which is either a Cantor set or a circle, whenever \(P(f)\) is empty. In the case where the set of endpoints of \(X\) is countable, we show that \(\Omega(f) = P(f)\) whenever \(P(f)\) is nonempty.

MSC:

37B20 Notions of recurrence and recurrent behavior in topological dynamical systems
37B45 Continua theory in dynamics
54H20 Topological dynamics (MSC2010)
Full Text: DOI

References:

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