Directional Preimage Entropy for Z_k
Directional Preimage Entropy for Z_k
投稿时间:2018-11-12  修订日期:2019-05-04
DOI:
中文关键词:  
英文关键词:Z_action  directional preimage entropy  infinite graph
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作者单位E-mail
高亚楠 河北外国语学院 yanangaos@163.com 
张子尧 汉江师范学院 zhangzy103993@foxmail.com 
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中文摘要:
      
英文摘要:
      In this paper, a new type of entropy, directional preimage entropy in- cluding topological and measure throretic versions for Z k + -actions, is introduced. Some of their properties including relationships and the invariance are obtained. Moreover, several systems including Z k + -actions generated by the expanding maps, Z k + -actions defined on finite graphs and some infinite graphs with zero directional preimage branch entropy are studied.
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