Resilience of public transport networks against attacks

Details Resilience of public transport networks against attacks Resilience of public transport networks against attacks

2009-05-11

arxiv.org/abs/0905.1638v1

Eur. Phys. J. B 71 (2009) 125-137

Physics

Physics and Society

13 pages, 11 figures

Scientific paper

10.1140/epjb/e2009-00291-3

The behavior of complex networks under failure or attack depends strongly on the specific scenario. Of special interest are scale-free networks, which are usually seen as robust under random failure but appear to be especially vulnerable to targeted attacks. In recent studies of public transport networks of fourteen major cities of the world it was shown that these systems when represented by appropriate graphs may exhibit scale-free behavior [C. von Ferber et al., Physica A 380, 585 (2007), Eur. Phys. J. B 68, 261 (2009)]. Our present analysis, focuses on the effects that defunct or removed nodes have on the properties of public transport networks. Simulating different directed attack strategies, we derive vulnerability criteria that result in minimal strategies with high impact on these systems.

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