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Berlin 2012 – scientific programme

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SOE: Fachverband Physik sozio-ökonomischer Systeme

SOE 18: Traffic Dynamics, Urban and Regional Systems II

SOE 18.4: Talk

Thursday, March 29, 2012, 11:00–11:15, H 0110

Proximity based city growth — •Diego Rybski, Anselmo García Cantú Ros, and Jürgen P. Kropp — Potsdam Institute for Climate Impact Research, Potsdam, Germany

We propose a simple city model which is based on proximity. The probability that a site is occupied is solely determined by the distance to other occupied sites. We study the cluster size distribution and find power-law probability densities, consistent with real cities. In contrast, the growth is random as expected from the model. Studying the boundary of the largest cluster, we find fractal structures which we relate to the model parameter. We find that this basic approach reproduces various important features of urban structures and conclude that proximity is a dominating aspect of spatial development.

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