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Jan 26, 2011 at 22:11 vote accept mister_jones
Jan 26, 2011 at 20:56 comment added Ben Wieland A one-ended example: $\mathbb Z\times(B*B)\to B$.
Jan 26, 2011 at 20:18 comment added Autumn Kent In the OP's case of interest, the group has one end. Are there counterexamples there?
Jan 26, 2011 at 19:55 history answered Ben Wieland CC BY-SA 2.5