On the hyperbolicity of random graphs (Q405243)

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scientific article; zbMATH DE number 6340206
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On the hyperbolicity of random graphs
scientific article; zbMATH DE number 6340206

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    On the hyperbolicity of random graphs (English)
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    4 September 2014
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    Summary: Let \(G=(V,E)\) be a connected graph with the usual (graph) distance metric \(d:V \times V \to \mathbb{N} \cup \{0 \}\). Introduced by Gromov, \(G\) is \(\delta\)-hyperbolic if for every four vertices \(u,v,x,y \in V\), the two largest values of the three sums \(d(u,v)+d(x,y)\), \(d(u,x)+d(v,y)\), \(d(u,y)+d(v,x)\) differ by at most \(2\delta\). In this paper, we determine precisely the value of this hyperbolicity for most binomial random graphs.
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    random graphs
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    hyperbolicity
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    diameter
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