Open AccessAn extension of the formula for spreading speeds
Author(s) -
Hans F. Weinberger,
Xiao-Qiang Zhao
Publication year - 2010
Publication title -
mathematical biosciences and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.451
H-Index - 45
eISSN - 1551-0018
pISSN - 1547-1063
DOI - 10.3934/mbe.2010.7.187
Subject(s) - extension (predicate logic) , recursion (computer science) , class (philosophy) , mathematics , statistical physics , computer science , physics , algorithm , artificial intelligence , programming language
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.
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