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Phys. Rev. E 66, 046115 (2002) [5 pages]

Evolving networks with multispecies nodes and spread in the number of initial links

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Jong-Won Kim1, Brian Hunt2, and Edward Ott1,3
1Department of Physics, and Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, Maryland 20742
2Department of Mathematics, and Institute for Physical Science and Technology, University of Maryland, College Park, Maryland 20742
3Department of Electrical and Computer Engineering, University of Maryland, College Park, Maryland 20742

Received 1 May 2002; published 15 October 2002

We consider models for growing networks incorporating two effects not previously considered: (i) different species of nodes, with each species having different properties (such as different attachment probabilities to other node species) and (ii) when a new node is created, its number of links to old nodes is random with a given probability distribution. Our numerical simulations show good agreement with analytic solutions. As an application of our model, we investigate the movie-actor network with movies considered as nodes and actors as links.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.66.046115
DOI:
10.1103/PhysRevE.66.046115
PACS:
05.10.-a, 05.45.Pq, 02.50.Cw, 87.23.Ge
 
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