Caldarelli, Guido and Capocci, Andrea and De Los Rios, Paolo and Muñoz, Miguel A. Scale-Free networks from varying vertex intrinsic fitness. Physical Review Letters, 89 (25). ISSN 0031-9007 (2002)
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Abstract
A new mechanism leading to scale-free networks is proposed in this Letter. It is shown that, in many cases of interest, the connectivity power-law behavior is neither related to dynamical properties nor to preferential attachment. Assigning a quenched fitness value xi to every vertex, and drawing links among vertices with a probability depending on the fitnesses of the two involved sites, gives rise to what we call a good-get-richer mechanism, in which sites with larger fitness are more likely to become hubs (i.e., to be highly connected).
| Item Type: | Article |
|---|---|
| Identification Number: | https://doi.org/10.1103/PhysRevLett.89.258702 |
| Additional Information: | © 2002 American Physical Society |
| Uncontrolled Keywords: | PACS: 89.75.Hc, 89.75.Da |
| Subjects: | Q Science > QA Mathematics > QA75 Electronic computers. Computer science Q Science > QC Physics |
| Research Area: | Economics and Institutional Change |
| Depositing User: | Ms T. Iannizzi |
| Date Deposited: | 21 Feb 2012 10:52 |
| Last Modified: | 05 Dec 2014 09:27 |
| URI: | http://eprints.imtlucca.it/id/eprint/1137 |
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