Field theory for recurrent mobility.

Clicks: 188
ID: 27399
2019
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Abstract
Understanding human mobility is crucial for applications such as forecasting epidemic spreading, planning transport infrastructure and urbanism in general. While, traditionally, mobility information has been collected via surveys, the pervasive adoption of mobile technologies has brought a wealth of (real time) data. The easy access to this information opens the door to study theoretical questions so far unexplored. In this work, we show for a series of worldwide cities that commuting daily flows can be mapped into a well behaved vector field, fulfilling the divergence theorem and which is, besides, irrotational. This property allows us to define a potential for the field that can become a major instrument to determine separate mobility basins and discern contiguous urban areas. We also show that empirical fluxes and potentials can be well reproduced and analytically characterized using the so-called gravity model, while other models based on intervening opportunities have serious difficulties.
Reference Key
mazzoli2019fieldnature Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Mazzoli, Mattia;Molas, Alex;Bassolas, Aleix;Lenormand, Maxime;Colet, Pere;Ramasco, José J;
Journal Nature communications
Year 2019
DOI
10.1038/s41467-019-11841-2
URL
Keywords Keywords not found

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