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Flow dimension and capacity for structuring urban street networks
Department of Land Surveying and Geo-informatics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong.ORCID iD: 0000-0002-2337-2486
2008 (English)In: Physica A: Statistical Mechanics and its Applications, ISSN 0378-4371, E-ISSN 1873-2119, Vol. 387, no 16-17, 4440-4452 p.Article in journal (Refereed) Published
Abstract [en]

This paper aims to measure the efficiency of urban street networks (a kind of complex networks) from the perspective of themultidimensional chain of connectivity (or flow). More specifically, we define two quantities: flow dimension and flow capacity, tocharacterize structures of urban street networks. To our surprise, for the topologies of urban street networks, previously confirmedas a form of small world and scale-free networks, we find that (1) the range of their flow dimensions is rather wider than theirrandom and regular counterparts, (2) their flow dimension shows a power-law distribution, and (3) they have a higher flow capacitythan their random and regular counterparts. The findings confirm that (1) both the wider range of flow dimensions and the higherflow capacity can be a signature of small world networks, and (2) the flow capacity can be an alternative quantity for measuring theefficiency of networks or that of the individual nodes. The findings are illustrated using three urban street networks (two in Europeand one in the USA).

Place, publisher, year, edition, pages
2008. Vol. 387, no 16-17, 4440-4452 p.
Keyword [en]
Flow capacity; Flow dimension; Efficiency; Small worlds; Urban street networks
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:hig:diva-2015DOI: 10.1016/j.physa.2008.02.047ISI: 000256692900035OAI: oai:DiVA.org:hig-2015DiVA: diva2:118677
Available from: 2008-06-18 Created: 2008-06-18 Last updated: 2016-10-19Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • ieee
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  • Other style
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Language
  • sv-SE
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  • en-US
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  • nn-NB
  • de-DE
  • Other locale
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Output format
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  • asciidoc
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