Random walk, cluster growth, and the morphology of urban conglomerations (Articolo in rivista)

Type
Label
  • Random walk, cluster growth, and the morphology of urban conglomerations (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • M. Pica Ciamarra; A. Coniglio (2006)
    Random walk, cluster growth, and the morphology of urban conglomerations
    in Physica. A (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Pica Ciamarra; A. Coniglio (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • M. Pica Ciamarra, SPIN-CNR A. Coniglio, SPIN-CNR (literal)
Titolo
  • Random walk, cluster growth, and the morphology of urban conglomerations (literal)
Abstract
  • We propose a new model of cluster growth according to which the probability that a new unit is placed in a point at a distance r from the city center is a Gaussian with mean equal to the cluster radius and variance proportional to the mean, modulated by the local density ?(r). The model is analytically solvable in d=2 dimensions, where the density profile varies as a complementary error function. The model reproduces experimental observations relative to the morphology of cities, determined via an original analysis of digital maps with a very high spatial resolution, and helps understanding the emergence of vehicular traffic. (literal)
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