Weak amenability of free products of hyperbolic and amenable groups
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Abstract We show that if G is an amenable group and H is a hyperbolic group, then the free product $G\ast H$ is weakly amenable. A key ingredient in the proof is the fact that $G\ast H$ is orbit equivalent to $\mathbb{Z}\ast H$ .
2011 ◽
Vol 32
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pp. 427-466
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1992 ◽
Vol 35
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pp. 315-328
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1979 ◽
Vol 31
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pp. 1329-1338
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2001 ◽
Vol 44
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pp. 231-241
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2008 ◽
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pp. 87-124
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1994 ◽
Vol 124
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pp. 137-147
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