Forte Shinko

activity

20192024

collaborators

2 papers

math.LO2020

Equidecomposition in cardinal algebras

Forte Shinko

Let $Γ$ be a countable group. A classical theorem of Thorisson states that if $X$ is a standard Borel $Γ$ -space and $μ$ and $ν$ are Borel probability measures on $X$ which agree on…

math.GR2019

Quotients by countable subgroups are hyperfinite

Joshua Frisch, Forte Shinko

We show that for any Polish group $G$ and any countable normal subgroup $Γ ◃ G$ , the coset equivalence relation $G /Γ$ is a hyperfinite Borel equivalence relation. In par…