Acta mathematica scientia,Series B ›› 2023, Vol. 43 ›› Issue (3): 1382-1402.doi: 10.1007/s10473-023-0322-1

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SOME RESULTS ON BUNDLE SYSTEMS FOR A COUNTABLE DISCRETE AMENABLE GROUP ACTION*

Juan Pan1, Yunhua Zhou2,†   

  1. 1. School of Mathematics and Statistics, Chongqing Technology and Business University, Chongqing 400067, China;
    2. College of Mathematics and Statistics, Chongqing University, Chongqing 401331, China
  • Received:2021-11-06 Online:2023-06-25 Published:2023-06-06
  • Contact: Yunhua Zhou, E-mail: zhouyh@cqu.edu.cn
  • About author:Juan Pan, E-mail: juanpan20@hotmail.com
  • Supported by:
    Natural Science Foundation of China (11871120, 12071082) and the Natural Science Foundation of Chongqing (cstc2021jcyj-msxmX0299).

Abstract: We consider the style number, independence number and entropy for a frame bundle dynamical system. The base system of which is a countable discrete amenable group action on a compact metric space. We obtain the existence of cover measures, an ergodic theorem about mean linear independence and the style number, and a variational principle for style numbers and independence numbers. We also study the relationship between the entropy of base systems and that of their bundle systems.

Key words: mean linear independence, style number, independence number, entropy

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