Comments on: 29. Doubles of free groups
https://392c.wordpress.com/2009/04/08/29-doubles-of-free-groups/
Residual finiteness and word-hyperbolic groupsMon, 05 Dec 2016 19:44:20 +0000
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By: Giles Gardam
https://392c.wordpress.com/2009/04/08/29-doubles-of-free-groups/#comment-1960
Mon, 05 Dec 2016 17:48:26 +0000http://392c.wordpress.com/?p=1422#comment-1960Note that the statement of the Combination Theorem given above isn’t quite right (although it works for free groups since they’re locally quasiconvex). See the discussion at http://mathoverflow.net/questions/140310/amalgmated-free-product-of-hyperbolic-groups-with-one-malnormal-and-one-virtual
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