English, Article edition: CONGESTION AND CENTRALITY IN TRAFFIC FLOW ON COMPLEX NETWORKS PETTER HOLME

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Physical Description
  • article
Language
  • English

Edition details

Title
  • CONGESTION AND CENTRALITY IN TRAFFIC FLOW ON COMPLEX NETWORKS
Author
  • PETTER HOLME
Physical Description
  • article
Notes
  • The central points of communication network flow have often been identified using graph theoretical centrality measures. In real networks, the state of traffic density arises from an interplay between the dynamics of the flow and the underlying network structure. In this work we investigate the relationship between centrality measures and the density of traffic for some simple particle hopping models on networks with emerging scale-free degree distributions. We also study how the speed of the dynamics are affected by the underlying network structure. Among other conclusions, we find that, even at low traffic densities, the dynamical measure of traffic density (the occupation ratio) has a non-trivial dependence on the static centrality (quantified by "betweenness centrality"), where non-central vertices get a comparatively large portion of the traffic.
  • Complex networks, traffic flow, centrality
  • RePEc:wsi:acsxxx:v:06:y:2003:i:02:p:163-176
Language
  • English
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