Small world effect in an epidemiological model.

نویسندگان

  • M Kuperman
  • G Abramson
چکیده

A model for the spread of an infection is analyzed for different population structures. The interactions within the population are described by small world networks, ranging from ordered lattices to random graphs. For the more ordered systems, there is a fluctuating endemic state of low infection. At a finite value of the disorder of the network, we find a transition to self-sustained oscillations in the size of the infected subpopulation.

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عنوان ژورنال:
  • Physical review letters

دوره 86 13  شماره 

صفحات  -

تاریخ انتشار 2001