Entropy Points and Applications for Free Semigroup Actions

被引:0
作者
Fagner B. Rodrigues
Thomas Jacobus
Marcus V. Silva
机构
[1] Universidade Federal do Rio Grande do Sul,Departamento de Matemática
来源
Journal of Statistical Physics | 2022年 / 186卷
关键词
Free semigroup action; Topological entropy; Entropy points; Skew-products; Primary: 37B05; 37B40 Secondary: 37D20; 37D35; 37C85;
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摘要
The aim of this manuscript is to study some local properties of the topological entropy of a free semigroup action. In order to do that we focus on the set of entropy points of a free semigroup action, show that this set carries the full entropy of the system (which, with respect to the chaocity of the system, gives a fundamental relevance to such set). We prove that the topological entropy of a free semigroup action focuses on a countable set of points. Our results are inspired by the ones presented in [1].
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