Asymptotic behavior of the Kleinberg model

Shai Carmi*, Stephen Carter, Jie Sun, Daniel Ben-Avraham

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


We study Kleinberg navigation (the search of a target in a d-dimensional lattice, where each site is connected to one other random site at distance r, with probability ∼r-α) by means of an exact master equation for the process. We show that the asymptotic scaling behavior for the delivery time T to a target at distance L scales as T∼ln 2L when α=d, and otherwise as T∼Lx, with x=(d-α)/(d+1-α) for α<d, x=α-d for d<α<d+1, and x=1 for α>d+1. These values of x exceed the rigorous lower bounds established by Kleinberg. We also address the situation where there is a finite probability for the message to get lost along its way and find short delivery times (conditioned upon arrival) for a wide range of α's.

Original languageAmerican English
Article number238702
JournalPhysical Review Letters
Issue number23
StatePublished - 11 Jun 2009
Externally publishedYes


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