Department of Basic
Zhejiang University of Water Resources and Electric Power
Hangzhou, Zhejiang 310018, China
email: fuzhwu@yeah.net
Fuzhen Wu
Abstract:
This article concerns the asymptotic speed of spreading in a delay lattice
differential equation without quasimonotonicity. We obtain the speed
of spreading by constructing an auxiliary undelayed equation,
whose speed of spreading is the same as that of the original equation.
The minimal wave speed of bounded positive traveling wave solutions
is obtained from the asymptotic spreading.
Submitted March 25, 2014. Published October 14, 2014.
Math Subject Classifications: 35C07, 35K57, 37C65.
Key Words: Non-quasimonotone equation; persistence; auxiliary equation;
minimal wave speed.
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Fuzhen Wu Department of Basic Zhejiang University of Water Resources and Electric Power Hangzhou, Zhejiang 310018, China email: fuzhwu@yeah.net |
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