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浙江大学学报(理学版)  2023, Vol. 50 Issue (4): 429-433    DOI: 10.3785/j.issn.1008-9497.2023.04.006
数学与计算机科学     
G-跟踪性和G-周期跟踪性研究
冀占江1,2()
1.梧州学院 大数据与软件工程学院, 广西 梧州 543002
2.梧州学院 广西机器视觉与智能控制重点实验室,广西 梧州 543002
The research on G-shadowing property and G-periodic shadowing property
Zhanjiang JI1,2()
1.School of Data Science and Software Engineering,Wuzhou University,Wuzhou 543002,Guangxi Zhuang Autonomous Region,China
2.Guangxi Key Laboratory of Machine Vision and Intelligent Control,Wuzhou University,Wuzhou 543002,Guangxi Zhuang Autonomous Region,China
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摘要:

研究了度量G-空间中G-跟踪性与G-周期跟踪性之间的动力学关系,给出了G-跟踪性和G-周期跟踪性的定义,利用等价映射和伪等价映射的性质,得到:(1)设(X,d)为紧致度量G-空间,G为可交换的紧致群,f:XX等价,若f具有G-周期跟踪性,则PG(f)ˉ=CRG(f);(2)设(X,d)为紧致度量G-空间,G为紧致群,f:XX等价,若f具有G-跟踪性且PG(f)=WG(f),则f具有G-周期跟踪性;(3)设(X,d)为紧致度量G-空间,G为可交换的紧致群,f:XX伪等价,若fG-扩张映射且f具有G-跟踪性,则f具有G-周期跟踪性。所得结论推广了度量空间中跟踪性和周期跟踪性的相关结论。

关键词: G-跟踪性G-周期跟踪性G-链回归点G-扩张映射    
Abstract:

The dynamical relationship between G-shadowing property and G-periodic shadowing property is studied in metric G-space. The definitions of G-shadowing property and G-periodic shadowing property are given. By using the properties of equivalent mapping and pseudo equivalent mapping, the following results are obtained: (1) let (X,d) be compact metric G-space,G be commutative and compact group and f:?XX be an equivariant map. If f has G-periodic shadowing property, then PG(f)ˉ=CRG(f); (2) let (X,d) be compact metric G-space,G be compact group and f:?XX be an equivariant map. If f has G-shadowing property and PG(f)=WG(f), then f has G-periodic shadowing property; (3) let (X,d) be compact metric G-space,G be commutative and compact group and f:XX be a pseudo equivariant map. If f is G-expansive map and f has G-shadowing property, then f has G-periodic shadowing property. These results generalize the conclusions of shadowing property and periodic shadowing property in metric spaces.

Key words: G-shadowing property    G-periodic shadowing property    G-chain recurrent point    G-expansive map
收稿日期: 2022-06-08 出版日期: 2023-07-17
CLC:  O 189.11  
基金资助: 广西自然科学基金资助项目(2018JJB170034);广西高校中青年教师科研基础能力提升项目(2019KY0681);梧州学院校级重点项目(2020B007)
作者简介: 冀占江(1985—),ORCID:https://orcid.org/0000-0002-2129-7734,男,硕士,副教授,主要从事拓扑动力系统研究,E-mail:1395954261@qq.com.
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引用本文:

冀占江. G-跟踪性和G-周期跟踪性研究[J]. 浙江大学学报(理学版), 2023, 50(4): 429-433.

Zhanjiang JI. The research on G-shadowing property and G-periodic shadowing property. Journal of Zhejiang University (Science Edition), 2023, 50(4): 429-433.

链接本文:

https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2023.04.006        https://www.zjujournals.com/sci/CN/Y2023/V50/I4/429

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