Article
Duplication-divergence model of protein interaction network.
Physical review. E, Statistical, nonlinear, and soft matter physics - 1 Jun 2005
Ispolatov I, Krapivsky P L, Yuryev A
Abstract excerpt
We investigate a very simple model describing the evolution of protein-protein interaction networks via duplication and divergence. The model exhibits a remarkably rich behavior depending on a single parameter, the probability to retain a duplicated link during divergence. When this parameter is large, the network growth is not self-averaging and an average node degree increases algebraically. The lack of...
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