Topological entropy and periods of graph maps

被引:3
|
作者
Llibre, Jaume [1 ]
Saghin, Radu [2 ]
机构
[1] Univ Autonoma Barcelona, Dept Matemat, Catalonia, Spain
[2] Ctr Recerca Matemat, Catalonia, Spain
关键词
graph maps; periodic points; periods; topological entropy; TREES;
D O I
10.1080/10236198.2011.561202
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We give a complete description of the set of periods of continuous self-maps on graphs which have zero topological entropy and have all their branching points fixed. As a corollary, we get a criterion for positive topological entropy for continuous self-maps on graphs. We also prove that the results are optimal.
引用
收藏
页码:589 / 598
页数:10
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