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Special Issue: "Empirical Applications of Complex Systems Methodologies in Econcomics and Geography"; Guest Eds. K. Frenken (Utrecht University, The Netherlands) & G. Silverberg (IIASA, Austria & UNU-MERIT, The Netherlands)No Access

THE ROLE OF GEOGRAPHY AND TRAFFIC IN THE STRUCTURE OF COMPLEX NETWORKS

    https://doi.org/10.1142/S021952590700091XCited by:9 (Source: Crossref)

    We report a study of the correlations among topological, weighted and spatial properties of large infrastructure networks. We review the empirical results obtained for the air-transportation infrastructure that motivates a network modeling approach which integrates the various attributes of this network. In particular, we describe a class of models which include a weight-topology coupling and the introduction of geographical attributes during the network evolution. The inclusion of spatial features is able to capture the appearance of non-trivial correlations between the traffic flows, the connectivity pattern and the actual distances of vertices. The anomalous fluctuations in the betweenness-degree correlation function observed in empirical studies are also recovered in the model. The presented results suggest that the interplay between topology, weights and geographical constraints is a key ingredient in order to understand the structure and evolution of many real-world networks.