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Jul 18, 2014 at 23:48 answer added Lenya timeline score: 5
Jun 24, 2014 at 22:19 comment added Igor Belegradek Bridson-Haefliger's textbook has an extensive discussion of these matters. In particular, for proper CAT(0) spaces hyperbolicity and uniform visibility are equivalent (Proposition II.H.1.4), and in a proper, geodesic, hyperbolic space any two points at infinity are joined by a geodesic (Lemma III.H.3.2).
Jun 24, 2014 at 19:35 vote accept matgaio
Jun 24, 2014 at 18:16 answer added R W timeline score: 4
Jun 24, 2014 at 17:17 history edited matgaio CC BY-SA 3.0
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Jun 24, 2014 at 17:10 history edited matgaio CC BY-SA 3.0
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Jun 24, 2014 at 16:57 comment added matgaio I'll put this on the question for the sake of completeness. Thanks
Jun 24, 2014 at 16:41 comment added Misha What is your definition of uniform visibility?
Jun 24, 2014 at 16:22 history asked matgaio CC BY-SA 3.0