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Null actions and RIM non-open extensions of strongly proximal actions

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Abstract

Answering a question of Glasner, we show that any finitely generated nonabelian free group has a minimal null action which is a RIM non-open extension of an effective strongly proximal action.

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Authors and Affiliations

  1. Center of Mathematics, Chongqing University, Chongqing, 401331, China

    Hanfeng Li

  2. Department of Mathematics, SUNY at Buffalo, Buffalo, NY, 14260-2900, USA

    Hanfeng Li

  3. College of Statistics and Mathematics, Inner Mongolia University of Finance and Economics, Hohhot, 010000, China

    Zhen Rong

Authors
  1. Hanfeng Li
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  2. Zhen Rong
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Correspondence to Hanfeng Li.

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Li, H., Rong, Z. Null actions and RIM non-open extensions of strongly proximal actions. Isr. J. Math. 235, 139–168 (2020). https://doi.org/10.1007/s11856-019-1952-9

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  • DOI: https://doi.org/10.1007/s11856-019-1952-9

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