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Phys. Rev. Lett. 103, 058701 (2009) [4 pages]

Random Graphs with Clustering

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M. E. J. Newman
Department of Physics and Center for the Study of Complex Systems, University of Michigan, Ann Arbor, Michigan 48109, USA, and Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, New Mexico 87501, USA

Received 29 March 2009; published 27 July 2009

See accompanying Physics Synopsis

We offer a solution to a long-standing problem in the theory of networks, the creation of a plausible, solvable model of a network that displays clustering or transitivity—the propensity for two neighbors of a network node also to be neighbors of one another. We show how standard random-graph models can be generalized to incorporate clustering and give exact solutions for various properties of the resulting networks, including sizes of network components, size of the giant component if there is one, position of the phase transition at which the giant component forms, and position of the phase transition for percolation on the network.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.103.058701
DOI:
10.1103/PhysRevLett.103.058701
PACS:
89.75.Hc, 02.10.Ox, 64.60.ah