On the centre and the set of ω-limit points of continuous maps on dendrites

被引:13
|
作者
Kocan, Zdenek [1 ]
Kornecka-Kurkova, Veronika [1 ]
Malek, Michal [1 ]
机构
[1] Silesian Univ, Math Inst Opava, Opava 74601, Czech Republic
关键词
omega-limit set; Recurrent point; Centre of dynamical system; Dendrite; ONE-DIMENSIONAL MAPS; INTERVAL; SPACE;
D O I
10.1016/j.topol.2009.02.008
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
It is well known that for dynamical systems generated by continuous maps of a graph, the centre of the dynamical system is a subset of the set of omega-limit points. In this paper we provide an example of a continuous self-map f(1) of a dendrite such that omega(f(1)) is a proper subset of C(f(1)). The second example is a continuous self-map f(2) of a dendrite having a strictly increasing sequence of omega-limit sets which is not contained in any maximal one. Again, this is impossible for continuous maps on graphs. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:2923 / 2931
页数:9
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