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We establish nonlinear stability and asymptotic behavior of traveling periodic waves of viscous conservation laws under localized perturbations or nonlocalized perturbations asymptotic to constant shifts in phase, showing that long-time…

Analysis of PDEs · Mathematics 2012-11-12 Mathew A. Johnson , Pascal Noble , L. Miguel Rodrigues , Kevin Zumbrun

In this paper, we consider the fractional heat equation $u_{t}=\triangle^{\alpha/2}u+f(u)$ with Dirichlet boundary conditions on the ball $B_{R}\subset \mathbb{R}^{d}$, where $\triangle^{\alpha/2}$ is the fractional Laplacian,…

Analysis of PDEs · Mathematics 2016-06-08 Kexue Li

In this study, we investigate the dynamics of moving fronts in three-dimensional spaces, which form as a result of in-situ combustion during oil production. This phenomenon is also observed in other contexts, such as various autowave models…

Analysis of PDEs · Mathematics 2025-02-05 Aleksei Liubavin , Mingkang Ni , Ye Zhang , Dmitrii Chaikovskii

This is a continuation, and conclusion, of our study of bounded solutions $u$ of the semilinear parabolic equation $u_t=u_{xx}+f(u)$ on the real line whose initial data $u_0=u(\cdot,0)$ have finite limits $\theta^\pm$ as $x\to\pm\infty$. We…

Analysis of PDEs · Mathematics 2022-06-13 Antoine Pauthier , Peter Poláčik

We consider $u(x,t)$, a solution of $\partial_tu = \Delta u + |u|^{p-1}u$ which blows up at some time $T > 0$, where $u:\mathbb{R}^N \times[0,T) \to \mathbb{R}$, $p > 1$ and $(N-2)p < N+2$. Define $S \subset \mathbb{R}^N$ to be the blow-up…

Analysis of PDEs · Mathematics 2017-04-06 Tej-Eddine Ghoul , Van Tien Nguyen , Hatem Zaag

We study the asymptotic behavior of nonnegative solutions of the semilinear parabolic problem {u_t=\Delta u + u^{p}, x\in\mathbb{R}^{N}, t>0 u(0)=u_{0}, x\in\mathbb{R}^{N}, t=0. It is known that the nonnegative solution $u(t)$ of this…

Analysis of PDEs · Mathematics 2008-02-01 Oscar A. Barraza , Laura B. Langoni

In this paper, we study large-time behaviors for a fundamental model in nonlinear acoustics, precisely, the viscous Jordan-Moore-Gibson-Thompson (JMGT) equation in the whole space $\mathbb{R}^n$. This model describes nonlinear acoustics in…

Analysis of PDEs · Mathematics 2023-05-23 Wenhui Chen , Hiroshi Takeda

In this paper we consider a one-dimensional nonlocal interaction equation with quadratic porous-medium type diffusion in which the interaction kernels are attractive, nonnegative, and integrable on the real line. Earlier results in the…

Analysis of PDEs · Mathematics 2018-06-08 Marco Di Francesco , Yahya Jaafra

In this paper, we obtain the asymptotic behavior at infinity for viscosity solutions of fully nonlinear elliptic equations in exterior domains. We show that if the solution $u$ grows linearly, there exists a linear polynomial $P$ such that…

Analysis of PDEs · Mathematics 2024-01-12 Lian Yuanyuan , Zhang Kai

We consider a new nonlocal and nonlinear one-dimensional evolution model arising in the study of oceanic flows in equatorial regions, recently derived in [A. Constantin and L. Molinet, Global Existence and Finite-Time Blow-Up for a…

Analysis of PDEs · Mathematics 2025-11-03 Manuel Fernando Cortez , Oscar Jarrin

We consider an initial value problem for a nonlocal differential equation with a bistable nonlinearity in several space dimensions. The equation is an ordinary differential equation with respect to the time variable t, while the nonlocal…

Analysis of PDEs · Mathematics 2016-06-02 Danielle Hilhorst , Hiroshi Matano , Thanh Nam Nguyen , Hendrik Weber

We study the large time behavior of nonnegative solutions of the Cauchy problem $u_t=\int J(x-y)(u(y,t)-u(x,t))\,dy-u^p$, $u(x,0)=u_0(x)\in L^\infty$, where $|x|^{\alpha}u_0(x)\to A>0$ as $|x|\to\infty$. One of our main goals is the study…

Analysis of PDEs · Mathematics 2010-04-14 Joana Terra , Noemi Wolanski

In this paper, we study the asymptotic behavior as $x_1\to+\infty$ of solutions of semilinear elliptic equations in quarter- or half-spaces, for which the value at $x_1=0$ is given. We prove the uniqueness and characterize the…

Analysis of PDEs · Mathematics 2010-07-26 Messoud Efendiev , Francois Hamel

Large time behavior of solutions to abstract differential equations is studied. The corresponding evolution problem is: $$\dot{u}=A(t)u+F(t,u)+b(t), \quad t\ge 0; \quad u(0)=u_0. \qquad (*)$$ Here $\dot{u}:=\frac {du}{dt}$, $u=u(t)\in H$,…

Classical Analysis and ODEs · Mathematics 2012-09-03 A. G. Ramm

We consider the long time behavior of solutions to a nonlocal reaction diffusion equation that arises in the study of directed polymers. The model is characterized by convolution with a kernel $R$ and an $L^2$ inner product. In one spatial…

Analysis of PDEs · Mathematics 2022-11-22 Yu Gu , Christopher Henderson

We study the asymptotic behaviour of the following linear growth-fragmentation equation$$\dfrac{\partial}{\partial t} u(t,x) + \dfrac{\partial}{\partial x} \big(x u(t,x)\big) + B(x) u(t,x) =4 B(2x)u(t,2x),$$ and prove that under fairly…

Analysis of PDEs · Mathematics 2019-03-13 Etienne Bernard , Marie Doumic , Pierre Gabriel

We study the Cauchy problem for nonlocal reaction diffusion equations with bistable nonlinearity in 1D spatial domain and investigate the asymptotic behaviors of solutions with a one-parameter family of monotonically increasing and…

Analysis of PDEs · Mathematics 2022-09-13 He Zhang , Yong Li , Xue Yang

We study the large time behaviour of the reaction-diffsuion equation $\partial_t u=\Delta u +f(u)$ in spatial dimension $N$, when the nonlinear term is bistable and the initial datum is compactly supported. We prove the existence of a…

Analysis of PDEs · Mathematics 2021-01-20 Jean-Michel Roquejoffre , Violaine Roussier-Michom

We consider the equation u_t=\epsilon u_{xx}+(u\ K'*u)_x for x\in\mathbb{R}, t>0 and with \epsilon\geq 0, supplemented with a nonnegative, integrable initial datum. We present a class of interaction kernels K' such that the large time…

Analysis of PDEs · Mathematics 2011-05-05 Rafał Celiński

In this article, we study the long-time asymptotic properties of a non-linear and non-local equation of diffusive type which describes the rock-paper-scissors game in an interconnected population.We fully characterize the self-similar…

Analysis of PDEs · Mathematics 2024-07-18 Marco Antonio Fontelos , Francesco Salvarani , Nastassia Pouradier Duteil
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