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Continuum of allosteric actions for non-amenable surface groups
Published online by Cambridge University Press: 19 July 2023
Abstract
Let $\Sigma $ be a closed surface other than the sphere, the torus, the projective plane or the Klein bottle. We construct a continuum of probability measure preserving ergodic minimal profinite actions for the fundamental group of $\Sigma $ that are topologically free but not essentially free, a property that we call allostery. Moreover, the invariant random subgroups we obtain are pairwise distincts.
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- © The Author(s), 2023. Published by Cambridge University Press
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