The speed of propagation for KPP type problems. I: Periodic framework
H Berestycki, F Hamel, N Nadirashvili - Journal of the European …, 2005 - ems.press
This paper is devoted to some nonlinear propagation phenomena in periodic and more
general domains, for reaction-diffusion equations with Kolmogorov-Petrovsky-Piskunov …
general domains, for reaction-diffusion equations with Kolmogorov-Petrovsky-Piskunov …
Bistable traveling waves for monotone semiflows with applications
This paper is devoted to the study of traveling waves for monotone evolution systems of
bistable type. In an abstract setting, we establish the existence of traveling waves for discrete …
bistable type. In an abstract setting, we establish the existence of traveling waves for discrete …
Spreading speeds for monostable equations with nonlocal dispersal in space periodic habitats
The current paper is devoted to the study of spatial spreading dynamics of monostable
equations with nonlocal dispersal in spatially periodic habitats. In particular, the existence …
equations with nonlocal dispersal in spatially periodic habitats. In particular, the existence …
Generalized transition waves and their properties
H Berestycki, F Hamel - Communications on Pure and Applied …, 2012 - Wiley Online Library
In this paper, we generalize the usual notions of waves, fronts, and propagation speeds in a
very general setting. These new notions, which cover all usual situations, involve uniform …
very general setting. These new notions, which cover all usual situations, involve uniform …
The Stefan problem for the Fisher–KPP equation
Y Du, Z Guo - Journal of Differential Equations, 2012 - Elsevier
We study the Fisher–KPP equation with a free boundary governed by a one-phase Stefan
condition. Such a problem arises in the modeling of the propagation of a new or invasive …
condition. Such a problem arises in the modeling of the propagation of a new or invasive …
Asymptotic spreading in heterogeneous diffusive excitable media
H Berestycki, F Hamel, G Nadin - Journal of Functional Analysis, 2008 - Elsevier
We establish propagation and spreading properties for nonnegative solutions of
nonhomogeneous reaction–diffusion equations of the type: with compactly supported initial …
nonhomogeneous reaction–diffusion equations of the type: with compactly supported initial …
Fast propagation for KPP equations with slowly decaying initial conditions
This paper is devoted to the analysis of the large-time behavior of solutions of one-
dimensional Fisher–KPP reaction–diffusion equations. The initial conditions are assumed to …
dimensional Fisher–KPP reaction–diffusion equations. The initial conditions are assumed to …
Spreading speeds and traveling waves for nonlocal dispersal equations with degenerate monostable nonlinearity
GB Zhang, WT Li, ZC Wang - Journal of Differential Equations, 2012 - Elsevier
This paper is concerned with the spreading speeds and traveling wave solutions of a
nonlocal dispersal equation with degenerate monostable nonlinearity. We first prove that the …
nonlocal dispersal equation with degenerate monostable nonlinearity. We first prove that the …
[HTML][HTML] Dynamics for a diffusive prey–predator model with different free boundaries
M Wang, Y Zhang - Journal of Differential Equations, 2018 - Elsevier
To understand the spreading and interaction of prey and predator, in this paper we study the
dynamics of the diffusive Lotka–Volterra type prey–predator model with different free …
dynamics of the diffusive Lotka–Volterra type prey–predator model with different free …
On the nonlocal Fisher–KPP equation: steady states, spreading speed and global bounds
F Hamel, L Ryzhik - Nonlinearity, 2014 - iopscience.iop.org
We consider the Fisher–KPP (for Kolmogorov–Petrovsky–Piskunov) equation with a
nonlocal interaction term. We establish a condition on the interaction that allows for …
nonlocal interaction term. We establish a condition on the interaction that allows for …