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Orbit inequivalent actions for groups containing a copy of  $\mathbb{F}_{2}$

Adrian Ioana

Inventiones mathematicae · 2010 · 55 citations · 30 references

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Abstract

We prove that if a countable group Γ contains a copy of $\mathbb{F}_{2}$ , then it admits uncountably many non orbit equivalent actions.

References

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