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Balancing building and maintenance costs in growing transport networks
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Mathematics, Applied Mathematics and Statistics.
Center for Advanced Spatial Analysis, UCL.
Sorbonne Universités UPMC Paris and Università degli Studi di Milano.
(English)Article in journal (Refereed) Submitted
Abstract [en]

The costs associated to the length of links impose unavoidable constraints to the growth of natural and artificial transport networks. When future network developments can not be predicted, building and maintenance costs require competing minimization mechanisms, and can not be optimized simultaneously. Hereby, we study the interplay of building and maintenance costs and its impact on the growth of transportation networks through a non-equilibrium model of network growth. We show cost balance is a sufficient ingredient for the emergence of tradeoffs between the network's total length and transport effciency, of optimal strategies of construction, and of power-law temporal correlations in the growth history of the network. Analysis of empirical ant transport networks in the framework of this model suggests different ant species may adopt similar optimization strategies.

National Category
Mathematics Physical Sciences
URN: urn:nbn:se:uu:diva-303938OAI: oai:DiVA.org:uu-303938DiVA: diva2:974648
Available from: 2016-09-27 Created: 2016-09-27 Last updated: 2016-10-04
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