{ "id": "math/0607588", "version": "v1", "published": "2006-07-24T09:24:05.000Z", "updated": "2006-07-24T09:24:05.000Z", "title": "A Small World Network of Prime Numbers", "authors": [ "Anjan Kumar Chandra", "Subinay Dasgupta" ], "comment": "6 pages, 10 figures", "journal": "Physica A 357 (2005) 436", "doi": "10.1016/j.physa.2005.02.089", "categories": [ "math.NT", "cond-mat.stat-mech" ], "abstract": "According to Goldbach conjecture, any even number can be broken up as the sum of two prime numbers : $n = p + q$. We construct a network where each node is a prime number and corresponding to every even number $n$, we put a link between the component primes $p$ and $q$. In most cases, an even number can be broken up in many ways, and then we chose {\\em one} decomposition with a probability $|p - q|^{\\alpha}$. Through computation of average shortest distance and clustering coefficient, we conclude that for $\\alpha > -1.8$ the network is of small world type and for $\\alpha < -1.8$ it is of regular type. We also present a theoretical justification for such behaviour.", "revisions": [ { "version": "v1", "updated": "2006-07-24T09:24:05.000Z" } ], "analyses": { "keywords": [ "prime number", "small world network", "average shortest distance", "small world type", "component primes" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 6, "language": "en", "license": "arXiv", "status": "editable" } } }