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Reinforced communication and social navigation generate groups in model networks
Department of Biology, University of Washington, Seattle, Washington 98195-1800, USA.
Niels Bohr Institute.
2009 (English)In: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, ISSN 1063-651X, E-ISSN 1095-3787, Vol. 79, no 2, 026111-026118 p.Article in journal (Refereed) Published
Abstract [en]

To investigate the role of information flow in group formation, we introduce a model of communication and social navigation. We let agents gather information in an idealized network society and demonstrate that heterogeneous groups can evolve without presuming that individuals have different interests. In our scenario, individuals’ access to global information is constrained by local communication with the nearest neighbors on a dynamic network. The result is reinforced interests among like-minded agents in modular networks; the flow of information works as a glue that keeps individuals together. The model explains group formation in terms of limited information access and highlights global broadcasting of information as a way to counterbalance this fragmentation. To illustrate how the information constraints imposed by the communication structure affects future development of real-world systems, we extrapolate dynamics from the topology of four social networks.

Place, publisher, year, edition, pages
2009. Vol. 79, no 2, 026111-026118 p.
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Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-36658DOI: 10.1103/PhysRevE.79.026111OAI: oai:DiVA.org:umu-36658DiVA: diva2:355479
Available from: 2010-10-06 Created: 2010-10-06 Last updated: 2017-12-12Bibliographically approved

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Rosvall, Martin

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