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We develop a complete stability theory for two-dimensional periodic traveling waves of reaction-diffusion systems. More precisely, we identify a diffusive spectral stability assumption, prove that it implies nonlinear stability and provide…

偏微分方程分析 · 数学 2024-08-28 Benjamin Melinand , L. Miguel Rodrigues

In this brief note we give a brief overview of the comprehensive theory, recently obtained by the author jointly with Johnson, Noble and Zumbrun, that describes the nonlinear dynamics about spectrally stable periodic waves of parabolic…

偏微分方程分析 · 数学 2015-12-21 L. Miguel Rodrigues

We study statically homogeneous Bose-Einstein condensates with spatially inhomogeneous interactions and outline an experimental realization of compensating linear and nonlinear potentials that can yield constant-density solutions. We…

斑图形成与孤子 · 物理学 2013-09-26 Scott Holmes , Mason A. Porter , Peter Krüger , Panayotis G. Kevrekidis

In the present work, we introduce a new $\mathcal{PT}$-symmetric variant of the Klein-Gordon field theoretic problem. We identify the standing wave solutions of the proposed class of equations and analyze their stability. In particular, we…

斑图形成与孤子 · 物理学 2014-09-26 Aslihan Demirkaya , Panayotis G. Kevrekidis , Milena Stanislavova , Atanas Stefanov

This work is devoted to the study of the initial boundary value problem for a general isothermal model of capillary fluids derived by J.E Dunn and J.Serrin (1985), which can be used as a phase transition model. We will prove the existence…

偏微分方程分析 · 数学 2011-02-18 Boris Haspot

This paper is concerned with the large-time behavior of solutions to the Cauchy problem of the one-dimensional compressible fluid models of Korteweg type with density- and temperature-dependent viscosity, capillarity, and heat conductivity…

偏微分方程分析 · 数学 2018-01-12 Zhengzheng Chen , Mengdi Sheng

We establish an exponential stabilization result for linear port-Hamiltonian systems of first order with quite general, not necessarily continuous, energy densities. In fact, we have only to require the energy density of the system to be of…

偏微分方程分析 · 数学 2018-09-05 Jochen Schmid

We consider vibrations of an inhomogeneous flexible structure modeled by a $1$D viscoelastic equation with Kelvin-Voigt, coupled with an expected dissipative effect : heat conduction governed by Cattaneo's law (second sound). We establish…

偏微分方程分析 · 数学 2015-06-08 Margareth S. Alves , Pedro R. Gamboa , G. Gorain , Amelie Rambaud , Octavio V. Vera

Periodic waves are investigated in a system composed of a Kuramoto-Sivashinsky - Korteweg-de Vries (KS-KdV) equation, which is linearly coupled to an extra linear dissipative equation. The model describes, e.g., a two-layer liquid film…

斑图形成与孤子 · 物理学 2009-11-07 Bao-Feng Feng , Boris A. Malomed , Takuji Kawahara

This paper establishes the spectral stability in exponentially weighted spaces of smooth traveling monotone fronts for reaction diffusion equations of Fisher-KPP type with nonlinear degenerate diffusion coefficient. It is assumed that the…

偏微分方程分析 · 数学 2017-06-02 J. Francisco Leyva , Ramon G. Plaza

We consider the stability problem for standing waves of nonlinear Dirac models. Under a suitable definition of linear stability, and under some restriction on the spectrum, we prove at the same time orbital and asymptotic stability. We are…

偏微分方程分析 · 数学 2012-02-29 Nabile Boussaid , Scipio Cuccagna

We consider a quasi-one-dimensional two-component Bose-Einstein condensate subject to a coherent coupling between its components, such as realized in spin-orbit coupled condensates. We study how nonlinearity modifies the dynamics of the…

量子气体 · 物理学 2016-04-20 T. Congy , A. Kamchatnov , N. Pavloff

In this second article of a series we propose to base criteria of stability on the hamiltonian functional that is provided by the variational principle, to replace the reliance that has often been placed on {\it ad hoc} definitions of the…

综合物理 · 物理学 2015-05-13 Christian Frønsdal

For strictly entropic Riemann shock solutions of strictly hyperbolic systems of balance laws, we prove that exponential spectral stability implies large-time asymptotic orbital stability. As a preparation, we also prove similar results for…

偏微分方程分析 · 数学 2022-07-27 Grégory Faye , L. Miguel Rodrigues

We study a self-similar solution of the kinetic equation describing weak wave turbulence in Bose-Einstein condensates. This solution presumably corresponds to an asymptotic behavior of a spectrum evolving from a broad class of initial data,…

流体动力学 · 物理学 2021-07-07 B. V. Semisalov , V. N. Grebenev , S. B. Medvedev , S. V. Nazarenko

The $abcd$-Boussinesq system is a model of two equations that can describe the propagation of small-amplitude long waves in both directions in the water of finite depth. Considering the Hamiltonian regimes, where the parameters $b$ and $d$…

偏微分方程分析 · 数学 2025-06-03 Roberto de A. Capistrano Filho , Jose Raul Quintero , Shu-Ming Sun

We consider the modified Korteweg-de Vries equation. Given a self-similar solution, and a subcritical perturbation of any size, we prove that there exists a unique solution to the equation which behaves at blow-up time as the self-similar…

偏微分方程分析 · 数学 2024-02-27 Simão Correia , Raphaël Côte

We fill the two main remaining gaps in the full classification of non-degenerate planar traveling waves of scalar balance laws from the point of view of spectral and nonlinear stability/instability under smooth perturbations. On one hand we…

偏微分方程分析 · 数学 2024-04-05 Louis Garénaux , L. Miguel Rodrigues

Variable-coefficient Korteweg - de Vries equation is applied to describe the interfacial wave transformation in two-layer fluid of variable depth. The soliton dynamics in this fluid is studied. The solitary wave breaks in two transient…

大气与海洋物理 · 物理学 2012-10-08 I. Didenkulova , T. Talipova , E. Pelinovsky , O. Kurkina , A. Rodin , A. Pankratov , A. Naumov , A. Giniyatullin

In this work, we consider a system of multidimensional wave equations coupled by velocities with one localized fractional boundary damping. First, using a general criteria of Arendt- Batty, by assuming that the boundary control region…

偏微分方程分析 · 数学 2021-04-09 Mohammad Akil , Ali Wehbe