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Convergence of directed random graphs to the Poisson-weighted infinite tree

Gabrysch, Katja (author)
Uppsala universitet,Analys och sannolikhetsteori
 (creator_code:org_t)
2016-06-21
2016
English.
In: Journal of Applied Probability. - : Cambridge University Press (CUP). - 0021-9002 .- 1475-6072. ; 53:2, s. 463-474
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We consider a directed graph on the integers with a directed edge from vertex i to j present with probability n-1, whenever i-1(j - i). We show that the closure of vertex 0 in such a weighted random graph converges in distribution to the Poisson-weighted infinite tree as n→∞. In addition, we derive limit theorems for the length of the longest path in the subgraph of the Poisson-weighted infinite tree which has all vertices at weighted distance of at most ρ from the root.

Subject headings

NATURVETENSKAP  -- Matematik -- Sannolikhetsteori och statistik (hsv//swe)
NATURAL SCIENCES  -- Mathematics -- Probability Theory and Statistics (hsv//eng)

Keyword

Directed random graph
Poisson-weighted infinite tree
rooted geometric graph

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ref (subject category)
art (subject category)

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