Title of article :
A lemma for cost attained
Author/Authors :
Hjorth، نويسنده , , Greg، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2006
Abstract :
A treeable ergodic equivalence relation of integer cost is generated by a free action of the free group on the corresponding number of generators. Every countable treeable ergodic equivalence relation is induced by the free action of some countable group.
Keywords :
ergodic theory , Treeable equivalence relations , Measure equivalence of groups , Free groups
Journal title :
Annals of Pure and Applied Logic
Journal title :
Annals of Pure and Applied Logic
