Asymptotic analysis of first passage time in complex networks

Details Asymptotic analysis of first passage time in complex networks Asymptotic analysis of first passage time in complex networks

2009-09-03

arxiv.org/abs/0909.0605v4

Physics

Condensed Matter

Statistical Mechanics

6 pages, 4 figures, 1 table

Scientific paper

10.1209/0295-5075/90/40005

The first passage time (FPT) distribution for random walk in complex networks is calculated through an asymptotic analysis. For network with size $N$ and short relaxation time $\tau\ll N$, the computed mean first passage time (MFPT), which is inverse of the decay rate of FPT distribution, is inversely proportional to the degree of the destination. These results are verified numerically for the paradigmatic networks with excellent agreement. We show that the range of validity of the analytical results covers networks that have short relaxation time and high mean degree, which turn out to be valid to many real networks.

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