Talk:Hyperbolic group

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[edit] Delta thin

So is the definition that every geodesic triangle in the Cayley graph must be δ-thin for some δ ≥ 0? Do we have to fix a δ for which all geodesic triangles are δ-thin at once? This could be made more clear if this is the case. - Gauge 00:41, 19 August 2006 (UTC)

Presumably this is the case so I changed the wording accordingly, and put the definition of δ-hyperbolic in bold so it stands out. - Gauge 00:45, 19 August 2006 (UTC)
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