Attack Vulnerability of Public Transport Networks

Details Attack Vulnerability of Public Transport Networks Attack Vulnerability of Public Transport Networks

2007-09-20

arxiv.org/abs/0709.3206v1

In: "Traffic and Granular Flow'07". Appert-Rolland, C., Chevoir, F. et al. (Eds.). (Springer, 2009)

Physics

Physics and Society

10 pages, 6 figures

Scientific paper

The behavior of complex networks under attack depends strongly on the specific attack scenario. Of special interest are scale-free networks, which are usually seen as robust under random failure or attack but appear to be especially vulnerable to targeted attacks. In a recent study of public transport networks of 14 major cities of the world we have shown that these networks may exhibit scale-free behaviour [Physica A 380, 585 (2007)]. Our further analysis, subject of this report, focuses on the effects that defunct or removed nodes have on the properties of public transport networks. Simulating different attack strategies we elaborate vulnerability criteria that allow to find minimal strategies with high impact on these systems.

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