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Dynamic scaling regimes of collective decision making
Umeå University, Faculty of Science and Technology, Department of Plant Physiology. Umeå University, Faculty of Science and Technology, Umeå Plant Science Centre (UPSC).ORCID iD: 0000-0002-1543-7358
Umeå University, Faculty of Science and Technology, Department of Physics.
2008 (English)In: EPL - Europhysics Letters, Vol. 81, no 2, 28003- p.Article in journal (Refereed) Published
Abstract [en]

We investigate a social system of agents faced with a binary choice. We assume there is a correct, or beneficial, outcome of this choice. Furthermore, we assume agents are influenced by others in making their decision, and that the agents can obtain information that may guide them towards making a correct decision. The dynamic model we propose is of nonequilibrium type, converging to a final decision. We run it on random graphs and scale-free networks. On random graphs, we find two distinct regions in terms of the finalizing time —the time until all agents have finalized their decisions. On scale-free networks, on the other hand, there do not seem to be such distinct scaling regions.

Place, publisher, year, edition, pages
2008. Vol. 81, no 2, 28003- p.
Identifiers
URN: urn:nbn:se:umu:diva-10449DOI: 10.1209/0295-5075/81/28003OAI: oai:DiVA.org:umu-10449DiVA: diva2:150120
Available from: 2008-12-17 Created: 2008-12-17 Last updated: 2015-05-06Bibliographically approved

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Grönlund, AndreasHolme, PetterMinnhagen, Petter

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