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Node-weighted interacting network measures improve the representation of real-world complex systems
Stockholm University, Stockholm Resilience Centre. Potsdam Institute for Climate Impact Research.
2013 (English)In: Europhysics letters, ISSN 0295-5075, E-ISSN 1286-4854, Vol. 102, no 2, 28007- p.Article in journal (Refereed) Published
Abstract [en]

Many real-world complex systems are adequately represented by networks of interacting or interdependent networks. Additionally, it is often reasonable to take into account node weights such as surface area in climate networks, volume in brain networks, or economic capacity in trade networks to reflect the varying size or importance of subsystems. Combining both ideas, we derive a novel class of statistical measures for analysing the structure of networks of interacting networks with heterogeneous node weights. Using a prototypical spatial network model, we show that the newly introduced node-weighted interacting network measures provide an improved representation of the underlying system's properties as compared to their unweighted analogues. We apply our method to study the complex network structure of cross-boundary trade between European Union (EU) and non-EU countries finding that it provides relevant information on trade balance and economic robustness.

Place, publisher, year, edition, pages
2013. Vol. 102, no 2, 28007- p.
National Category
Physical Sciences
URN: urn:nbn:se:su:diva-91853DOI: 10.1209/0295-5075/102/28007ISI: 000319617700027OAI: diva2:635781


Available from: 2013-07-05 Created: 2013-07-04 Last updated: 2013-08-05Bibliographically approved

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Donges, Jonathan
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