Toward a General Understanding of the Scaling Laws in Human and Animal Mobility

Abstract

Recent research highlighted the scaling property of human and animal mobility. An interesting issue is that the exponents of scaling law for animals and humans in different situations are quite different. This paper proposes a general optimization model, a random walker following scaling laws (whose traveling distances in each step obey a power law distribution with exponent α) tries to diversify its visiting places under a given total traveling distance with a home-return probability. The results show that different optimal exponents in between 1 and 2 can emerge naturally. Therefore, the scaling property of human and animal mobility can be understood in our framework where the discrepancy of the scaling law exponents is due to the home-return constraint under the maximization of the visiting places diversity.

8 pages,8 figures

References in corpus (5)

• Understanding individual human mobility patterns
• Spatial Networks
• The scaling laws of human travel
• Modeling the scaling properties of human mobility
• The common patterns of nature

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• Statistical Dynamics of Regional Populations and Economies
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