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MiS Preprint

Large Convection Limits for KPP Fronts

Steffen Heinze


This paper is concerned with the KPP equation with strong convection. The asymptotic behavior of the minimal speed of traveling fronts is derived for shear flow convection and for cellular flow convection. In the first case a new limit problem is derived and analyzed. For cellular flows new almost optimal upper bounds are obtained in terms of the wave speed of the homogenized problem. Thereby some conjectures on the asymptotic growth of front speeds are confirmed.

Mar 15, 2005
Mar 15, 2005
reaction diffusion, convection, fronts

Related publications

2005 Repository Open Access
Steffen Heinze

Large Convection Limits for KPP Fronts