Limit groups, positive-genus towers and measure equivalence

By definition, an $\omega$-residually free tower is positive-genus if all surfaces used in its construction are of positive genus. We prove that every limit group is virtually a subgroup of a positive-genus $\omega$-residually free tower. By combining this with results of Gaboriau, we prove that ele...

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Main Authors: Bridson, M, Tweedale, M, Wilton, H
פורמט: Journal article
שפה:English
יצא לאור: 2005