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Creators/Authors contains: "Shinko, Forte"

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  1. ; ; ; (, Proceedings of the American Mathematical Society)
    We identify natural conditions for a countable group acting on a countable tree which imply that the orbit equivalence relation of the induced action on the Gromov boundary is Borel hyperfinite. Examples of this condition include acylindrical actions. We also identify a natural weakening of the aforementioned conditions that implies measure hyperfiniteness of the boundary action. We then document examples of group actions on trees whose boundary action is not hyperfinite. 
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  2. ; ; (, Israel Journal of Mathematics)
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