An extension of the formula for spreading speeds

  • Weinberger H
  • Zhao X
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Abstract

A well-known formula for the spreading speed of a discrete-time recursion model is extended to a class of problems for which its validity was previously unknown. These include migration models with moderately fat tails or fat tails. Examples of such models are given.

Author-supplied keywords

  • and phrases
  • discrete-time recursions
  • integrodifference equations
  • spreading speeds

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Authors

  • Hans F. Weinberger

  • Xiao-Qiang Zhao

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