Networks become navigable as nodes move and forget

  title={Networks become navigable as nodes move and forget},
  author={Augustin Chaintreau and Pierre Fraigniaud and Emmanuelle Lebhar},
We propose a dynamic process for network evolution, aiming at explaining the emergence of the small world phenomenon, i.e., the statistical observation that any pair of individuals are linked by a short chain of acquaintances computable by a simple decentralized routing algorithm, known as greedy routing. Our model is based on the combination of two dynamics: a random walk (spatial) process, and an harmonic forgetting (temporal) process. Both processes reflect natural behaviors of the… CONTINUE READING
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