Isometry Groups of Borel Randomizations

Notre Dame Journal of Formal Logic 61 (2):297-316 (2020)
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Abstract

We study global dynamical properties of the isometry group of the Borel randomization of a separable complete structure. We show that if properties such as the Rokhlin property, topometric generics, and extreme amenability hold for the isometry group of the structure, then they also hold in the isometry group of the randomization.

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Automorphism groups of randomized structures.Tomás Ibarlucía - 2017 - Journal of Symbolic Logic 82 (3):1150-1179.

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