What is it about?

The Poissonian city is constructed as an assembly of random lines intersecting a disk. Traffic is supposed to be generated homogeneously between start and end points in the disk, and in each case access to the network is achieved by the (arbitrary but actually inconsequential) rule of setting off in the opposite direction to one's destination. The paper studies the random quantity of amount of traffic at the centre, in the limiting case of high line density, and describes and justifies a simulation algorithm to make draws from this.

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Why is it important?

This paper is part of an extended investigation of properties of an idealized transportation network based on random lines. The objective is to gain a good theoretical understanding of this idealized model, in order to obtain good perspectives on what one might expect to see in practice, in real day-to-day cities.

Perspectives

Thus this work contributes to a growing initiative to get good understanding of how real cities actually work: a topic of rapidly growing importance in today's increasingly urbanized society.

Wilfrid Kendall
University of Warwick

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This page is a summary of: Return to the Poissonian city, Journal of Applied Probability, December 2014, Cambridge University Press,
DOI: 10.1239/jap/1417528482.
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