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Category Archives: guessing geodesics
Hyperbolicity of the curve graph: the proof from The Book
In this post I’ll talk about a lovely paper by Sebastian Hensel, Piotr Przytycki and Richard Webb. They show that all curve graphs are 17hyperbolic. Hyperbolicity of curve graphs is a very very very useful* property because mapping class groups … Continue reading
BI: Guessing geodesics in hyperbolic spaces
In this post I’ll discuss a cool lemma due to Brian Bowditch (from this paper) which is very useful when you want to show that a space is hyperbolic. The most direct way of showing that is hyperbolic is trying … Continue reading
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