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Asymptotic speeds of spread and traveling wave solutions of a second order integrodifference equation without monotonicity
Authors:Guo Lin  Ting Su
Affiliation:1. School of Mathematics and Statistics, Lanzhou University, Lanzhou, P.R. China.ling@lzu.edu.cn;3. School of Mathematics and Statistics, Lanzhou University, Lanzhou, P.R. China.
Abstract:This paper is concerned with the propagation modes of a second order integrodifference equation without monotonicity. The equation cannot generate monotone semifolws. By constructing auxiliary functions/equations and applying some known results, the minimal wave speed of traveling wave solutions and asymptotic speeds of spread are established.
Keywords:Minimal wave speed  asymptotic spreading  auxiliary equations  comparison principle
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