Mixing actions of groups with the Haagerup approximation property

Volume 203 / 2009

Greg Hjorth Fundamenta Mathematicae 203 (2009), 47-56 MSC: Primary 03E15, 37A25. DOI: 10.4064/fm203-1-4


A countable group $\mit\Gamma $ has the Haagerup approximation property if and only if the mixing actions are dense in the space of all actions of $\mit\Gamma $.


  • Greg HjorthDepartment of Mathematics and Statistics
    University of Melbourne
    Parkville, 3010
    Melbourne, Victoria, Australia

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