Spatial organisation of large networks

Marc Barthelemy, IPhT, CEA & CAMS, EHESS
08 avril 2010
Abstract
Most transportation networks are embedded in space and consequently, their topology is not independent from spatial constraints. In particular, these constraints can induce a hierarchical organization with hubs controlling specific regions of space, non-trivial correlations between the weights, the connectivity pattern and the actual spatial distances of vertices, and the emergence of anomalous fluctuations in the betweenness-degree correlation function. In this talk I will illustrate these effects both from an empirical and modeling point of view, with various examples ranging from the large scale air travel network to smaller scales of inter- and intra- cities transportation networks.
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