Electron. J. Diff. Equ.,
Vol. 2014 (2014), No. 213, pp. 110.
Asymptotic speed of spreading in a delay lattice differential
equation without quasimonotonicity
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: Nonquasimonotone equation; persistence; auxiliary equation;
minimal wave speed.
Show me the PDF file (218 KB),
TEX file, and other files for this article.

Fuzhen Wu
Department of Basic
Zhejiang University of Water
Resources and Electric Power
Hangzhou, Zhejiang 310018, China
email: fuzhwu@yeah.net

Return to the EJDE web page