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We consider smooth solutions of the Burgers-Hilbert equation that are a small perturbation $\delta$ from a global periodic traveling wave with small amplitude $\epsilon$. We use a modified energy method to prove the existence time of smooth…

Analysis of PDEs · Mathematics 2022-05-11 Ángel Castro , Diego Córdoba , Fan Zheng

Gathering together some existing results, we show that the solutions to the one-dimensional Burgers equation converge for long times towards the stationary solutions to the steady Burgers equation, whose Fourier spectrum is not integrable.…

Analysis of PDEs · Mathematics 2020-04-07 Roberta Bianchini , Anne-Laure Dalibard

In this paper, it is proved that the KdV-Burgers equation with a monostable source term of Fisher-KPP type has small-amplitude periodic traveling wave solutions with finite fundamental period. These solutions emerge from a subcritical local…

Analysis of PDEs · Mathematics 2024-06-07 Raffaele Folino , Anna Naumkina , Ramón G. Plaza

In this paper, we investigate the instability of the spherical travelling wave solutions for the Transport-Stokes system in $\mathbb{R}^3$. First, a classical scaling argument ensures instability among all probability measures for the…

Analysis of PDEs · Mathematics 2024-12-20 Matthieu Bonnivard , Amina Mecherbet

We are concerned with the large-time behavior of the radially symmetric solution for multidimensional Burgers equation on the exterior of a ball $\mathbb{B}_{r_0}(0)\subset \mathbb{R}^n$ for $n\geq 3$ and some positive constant $r_0>0$,…

Analysis of PDEs · Mathematics 2019-08-12 Tong Yang , Huijiang Zhao , Qingsong Zhao

This paper proves the existence of unstable shocks of the Burgers-Hilbert equation conjectured in arXiv:2006.05568. More precisely, we construct smooth initial data with finite $H^9$-norm such that the solution in self-similar coordinates…

Analysis of PDEs · Mathematics 2022-02-17 Ruoxuan Yang

The large-time behavior of solutions to Burgers equation with small viscosity is described using invariant manifolds. In particular, a geometric explanation is provided for a phenomenon known as metastability, which in the present context…

Dynamical Systems · Mathematics 2015-05-13 Margaret Beck , C. Eugene Wayne

We study the traveling wave solutions of the Burgers-Huxley equation from a geometric point of view via the qualitative theory of ordinary differential equations. By using the Poincar\'e compactification we study the global phase portraits…

Dynamical Systems · Mathematics 2025-04-24 Luis Fernando Mello , Ronisio Moises Ribeiro

In this paper we consider a family of generalized Korteweg-de Vries equations and study the linear modulational instability of small amplitude traveling waves solutions. Under explicit non-degeneracy conditions on the dispersion relation,…

Analysis of PDEs · Mathematics 2024-04-10 Alberto Maspero , Antonio Milosh Radakovic

We are concerned with the radially symmetric stationary wave for the exterior problem of two-dimensional Burgers equation. A sufficient and necessary condition to guarantee the existence of such a stationary wave is given and it is also…

Analysis of PDEs · Mathematics 2020-01-22 Huijiang Zhao , Qingsong Zhao

We consider an initial value problem for a quadratically nonlinear inviscid Burgers-Hilbert equation that models the motion of vorticity discontinuities. We use a normal form transformation, which is implemented by means of a near-identity…

Analysis of PDEs · Mathematics 2011-12-06 John Hunter , Mihaela Ifrim

We emphasize that construction of travelling wave solutions for partial differential equations is a problem of considerable interest and thus introduce a simple algebraic method to generate such solutions for equations in the Burgers…

Exactly Solvable and Integrable Systems · Physics 2025-11-11 Amitava Choudhuri , Modhan Mohan Panja , Supriya Chatterjee , Benoy Talukdar

We study the statistical properties of solutions to Burgers' equation, $v_t + vv_x = \nu v_{xx}$, for large times, when the initial velocity and its potential are stationary Gaussian processes. The initial power spectral density at small…

patt-sol · Physics 2008-02-03 Erik Aurell , Sergey N. Gurbatov , Sergey I. Simdyankin

The traveling wave with the peaked profile arises in the limit of the family of traveling waves with the smooth profiles. We study the linear and nonlinear stability of the peaked traveling wave by using a local model for shallow water…

Analysis of PDEs · Mathematics 2025-03-20 Fábio Natali , Dmitry E. Pelinovsky , Shuoyang Wang

We examine the spectral stability of travelling waves of the haptotaxis model studied in Harley et al (2014a). In the process we apply Li\'enard coordinates to the linearised stability problem and use a Riccati-transform/Grassmanian…

Dynamical Systems · Mathematics 2020-06-01 K. E. Harley , P. van Heijster , R. Marangell , G. J. Pettet , T. V. Roberts , M. Wechselberger

Burgers vortices are explicit stationary solutions of the Navier-Stokes equations which are often used to describe the vortex tubes observed in numerical simulations of three-dimensional turbulence. In this model, the velocity field is a…

Analysis of PDEs · Mathematics 2015-05-18 Thierry Gallay , Yasunori Maekawa

A family of generalized Korteweg-de Vries-Burgers equations in one space dimension with a nonlinear source is considered. The purpose of this contribution is twofold. On one hand, the local well-posedness of the Cauchy problem on periodic…

Analysis of PDEs · Mathematics 2024-12-19 Anna Naumkina , Ramón G. Plaza

We investigate the point spectrum associated with travelling wave solutions in a Keller-Segel model for bacterial chemotaxis with small diffusivity of the chemoattractant, a logarithmic chemosensitivity function and a constant, sublinear or…

Spectral Theory · Mathematics 2017-12-01 P. N. Davis , P. van Heijster , R. Marangell

We consider the linear stability of Hill's vortex with respect to axisymmetric perturbations. Given that Hill's vortex is a solution of a free-boundary problem, this stability analysis is performed by applying methods of shape…

Fluid Dynamics · Physics 2016-08-24 Bartosz Protas , Alan Elcrat

We investigate the coupling between the nonlinear Schr\"odinger equation and the inviscid Burgers equation, a system which models interactions between short and long waves, for instance in fluids. Well-posedness for the associated Cauchy…

Analysis of PDEs · Mathematics 2012-12-11 Paulo Amorim , Joao-Paulo Dias , Mario Figueira , Philippe G. LeFloch
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