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Phys Rev Lett. 2005 Jan 21;94(2):028701. Epub 2005 Jan 19.

Networks and cities: an information perspective.

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1
Department of Theoretical Physics, Umeå University, 901 87 Umeå, Sweden. rosvall@tp.umu.se

Abstract

Traffic is constrained by the information involved in locating the receiver and the physical distance between sender and receiver. We here focus on the former, and investigate traffic in the perspective of information handling. We replot the road map of cities in terms of the information needed to locate specific addresses and create information city networks with roads mapped to nodes and intersections to links between nodes. These networks have the broad degree distribution found in many other complex networks. The mapping to an information city network makes it possible to quantify the information associated with locating specific addresses.

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