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This paper is concerned with curved fronts of combustion reaction-diffusion equations in $\mathbb{R}^N$ $(N\geq2)$. By mixing finite planar fronts and constructing suitable super- and subsolutions, we prove the existence, uniqueness and…

Analysis of PDEs · Mathematics 2026-03-23 Wei-Jie Sheng , Xin-Tian Zhang

This paper is concerned with curved fronts of bistable reaction-diffusion equations in spatially periodic media for dimensions $N\geq 2$. The curved fronts concerned are transition fronts connecting $0$ and $1$. Under a priori assumption…

Analysis of PDEs · Mathematics 2025-01-08 Hongjun Guo , Haijian Wang

In this paper, curved fronts are constructed for spatially periodic bistable reaction-diffusion equations under the a priori assumption that there exist pulsating fronts in every direction. Some sufficient and some necessary conditions of…

Analysis of PDEs · Mathematics 2021-10-13 Hongjun Guo , Wan-Tong Li , Rongsong Liu , Zhi-Cheng Wang

This paper is concerned with the existence and qualitative properties of pulsating fronts for spatially periodic reaction-diffusion equations with bistable nonlinearities. We focus especially on the influence of the spatial period and,…

Analysis of PDEs · Mathematics 2014-08-05 Weiwei Ding , Francois Hamel , Xiao-Qiang Zhao

This paper is concerned with reaction-diffusion-advection equations in spatially periodic media. Under an assumption of weak stability of the constant states 0 and 1, and of existence of pulsating traveling fronts connecting them, we show…

Analysis of PDEs · Mathematics 2026-04-14 Hongjun Guo , François Hamel , Luca Rossi

This paper is concerned with the existence of pulsating travelling fronts for a KPP reaction-diffusion equation posed in a multi-dimensional periodic medium. We provide an alternative proof of the classic existence result. Our proof relies…

Analysis of PDEs · Mathematics 2023-03-16 Liangliang Deng , Arnaud Ducrot

This paper is devoted to the study of travelling fronts of reaction-diffusion equations with periodic advection in the whole plane $\mathbb R^2$. We are interested in curved fronts satisfying some "conical" conditions at infinity. We prove…

Analysis of PDEs · Mathematics 2014-05-21 Mohammad El Smaily , Francois Hamel , Rui Huang

This paper is concerned with the propagating speeds of transition fronts in $R^N$ for spatially periodic bistable reaction-diffusion equations. The notion of transition fronts generalizes the standard notions of traveling fronts. Under the…

Analysis of PDEs · Mathematics 2017-06-16 Hongjun Guo

This paper is devoted to reaction-diffusion equations with bistable nonlinearities depending periodically on time. These equations admit two linearly stable states. However, the reaction terms may not be bistable at every time. These may…

Analysis of PDEs · Mathematics 2015-07-23 Benjamin Contri

We prove that the steady state of a class of multidimensional reaction-diffusion systems is asymptotically stable at the intersection of unweighted space and exponentially weighted Sobolev spaces, and pay particular attention to a special…

Analysis of PDEs · Mathematics 2022-05-06 Qingxia Li , Xinyao Yang

We prove the existence and uniqueness, up to a shift in time, of curved traveling fronts for a reaction-advection-diffusion equation with a combustion-type nonlinearity. The advection is through a shear flow $q$. This analyzes, for…

Analysis of PDEs · Mathematics 2018-12-05 Mohammad El Smaily

In this paper, we prove some qualitative properties of pushed fronts for the periodic reaction-diffusion-equation with general monostable nonlinearities. Especially, we prove the exponential behavior of pushed fronts when they are…

Analysis of PDEs · Mathematics 2022-03-09 Hongjun Guo

We devote this paper to the issue of existence of pulsating travelling front solutions for spatially periodic heterogeneous reaction-diffusion equations in arbitrary dimension, in both bistable and more general multistable frameworks. In…

Analysis of PDEs · Mathematics 2019-01-23 Thomas Giletti , Luca Rossi

In this paper, we consider the phenomenon of monostable pulsating fronts for multi-dimensional reaction-diffusion-advection systems in periodic media. Recent results have addressed the existence of pulsating fronts and the linear…

Analysis of PDEs · Mathematics 2025-04-29 Li-Jun Du , Wan-Tong Li , Ming-Zhen Xin

We establish the existence of a stable foliation in the vicinity of a traveling front solution for systems of reaction diffusion equations in one space dimension that arise in the study of chemical reactions models and solid fuel…

Dynamical Systems · Mathematics 2016-07-11 Yuri Latushkin , Roland Schnaubelt , Xinyao Yang

We prove existence, uniqueness, and stability of transition fronts (generalized traveling waves) for reaction-diffusion equations in cylindrical domains with general inhomogeneous ignition reactions. We also show uniform convergence of…

Analysis of PDEs · Mathematics 2009-01-19 Andrej Zlatos

We study reaction-diffusion equations in one spatial dimension and with general (space- or time-) inhomogeneous mixed bistable-ignition reactions. For those satisfying a simple quantitative hypothesis, we prove existence and uniqueness of…

Analysis of PDEs · Mathematics 2015-04-21 Andrej Zlatos

The present paper is devoted to the study of existence, uniqueness and stability of transition fronts of nonlocal dispersal evolution equations in time heterogeneous media of bistable type under the unbalanced condition. We first study…

Analysis of PDEs · Mathematics 2017-04-04 Wenxian Shen , Zhongwei Shen

We study transition fronts for one-dimensional reaction-diffusion equations with compactly perturbed ignition-monostable reactions. We establish an almost sharp condition on reactions which characterizes the existence and non-existence of…

Analysis of PDEs · Mathematics 2018-02-14 Cole Graham , Tau Shean Lim , Andrew Ma , David Weber

We study a one-dimensional reaction-diffusion system which describes an isothermal autocatalytic chemical reaction involving both a quadratic (A + B -> 2B) and a cubic (A + 2B -> 3B) autocatalysis. The parameters of this system are the…

patt-sol · Physics 2009-10-30 Stephane Focant , Thierry Gallay
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