Doubly nonlocal Fisher-KPP equation: Existence and properties of traveling waves

26 Apr 2018  ·  Finkelshtein Dmitri, Kondratiev Yuri, Tkachov Pasha ·

We consider a reaction-diffusion equation with nonlocal anisotropic diffusion and a linear combination of local and nonlocal monostable-type reactions in a space of bounded functions on $\mathbb{R}^d$. Using the properties of the corresponding semiflow, we prove the existence of monotone traveling waves along those directions where the diffusion kernel is exponentially integrable. Among other properties, we prove continuity, strict monotonicity and exponential integrability of the traveling wave profiles.

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Analysis of PDEs Mathematical Physics Dynamical Systems Mathematical Physics