{ "id": "1210.3830", "version": "v2", "published": "2012-10-14T20:14:16.000Z", "updated": "2015-03-17T09:39:15.000Z", "title": "Spatial preferential attachment networks: Power laws and clustering coefficients", "authors": [ "Emmanuel Jacob", "Peter Mörters" ], "comment": "Published in at http://dx.doi.org/10.1214/14-AAP1006 the Annals of Applied Probability (http://www.imstat.org/aap/) by the Institute of Mathematical Statistics (http://www.imstat.org)", "journal": "Annals of Applied Probability 2015, Vol. 25, 632-662", "doi": "10.1214/14-AAP1006", "categories": [ "math.PR", "math.CO" ], "abstract": "We define a class of growing networks in which new nodes are given a spatial position and are connected to existing nodes with a probability mechanism favoring short distances and high degrees. The competition of preferential attachment and spatial clustering gives this model a range of interesting properties. Empirical degree distributions converge to a limit law, which can be a power law with any exponent $\\tau>2$. The average clustering coefficient of the networks converges to a positive limit. Finally, a phase transition occurs in the global clustering coefficients and empirical distribution of edge lengths when the power-law exponent crosses the critical value $\\tau=3$. Our main tool in the proof of these results is a general weak law of large numbers in the spirit of Penrose and Yukich.", "revisions": [ { "version": "v1", "updated": "2012-10-14T20:14:16.000Z", "abstract": "We define a class of growing networks in which new nodes are given a spatial position and are connected to existing nodes with a probability mechanism favouring short distances and high degrees. The competition of preferential attachment and spatial clustering gives this model a range of interesting properties. Empirical degree distributions converge to a limit law, which can be a power law with any exponent {\\tau} > 2. The average clustering coefficient of the networks converges to a positive limit. Finally, a phase transition occurs in the global clustering coefficients and empirical distribution of edge lengths when the power-law exponent crosses the critical value {\\tau} = 3. Our main tool in the proof of these results is a general weak law of large numbers in the spirit of Penrose and Yukich.", "comment": "25 Pages", "journal": null, "doi": null }, { "version": "v2", "updated": "2015-03-17T09:39:15.000Z" } ], "analyses": { "subjects": [ "05C80", "60C05", "90B15" ], "keywords": [ "spatial preferential attachment networks", "clustering coefficient", "power law", "probability mechanism favouring short distances", "empirical degree distributions converge" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 25, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1210.3830J" } } }