English
Related papers

Related papers: Discontinuous traveling waves as weak solutions to…

200 papers

This paper is concerned with the traveling waves of delayed reaction-diffusion systems where the reaction function possesses the mixed quasimonotonicity property. By the so-called monotone iteration scheme and Schauder's fixed point…

Analysis of PDEs · Mathematics 2010-07-21 Canrong Tian , Zhigui Lin

We study travelling wave solutions to Korteweg--de Vries type equations which have double power nonlinearities with integer indices, such as the Gardner equation, and fractional dispersion. Whether these equations have ground state…

Analysis of PDEs · Mathematics 2025-11-12 Kaito Kokubu

In this paper we study the Cauchy problem for the Landau Hamiltonian wave equation, with time dependent irregular (distributional) electromagnetic field and similarly irregular velocity. For such equations, we describe the notion of a `very…

Analysis of PDEs · Mathematics 2017-05-05 Michael Ruzhansky , Niyaz Tokmagambetov

We use a simple method that leads to the integrals involved in obtaining the traveling wave solutions of wave equations with one and two exponential nonlinearities. When the constant term in the integrand is zero, implicit solutions in…

Mathematical Physics · Physics 2019-03-14 S. C. Mancas , H. C. Rosu , M. Perez-Maldonado

In this paper, we study the traveling wave solutions to the density-suppressed motility model describing the ``self-trapping'' mechanism that induces spatio-temporal pattern formations observed in the experiment. We establish the existence…

Analysis of PDEs · Mathematics 2020-06-24 Jing Li , Zhi-An Wang

We study the existence of monotone traveling wave solutions in a class of nonclassical diffusion equations that include both standard diffusion and a higher-order mixed space-time dispersive term. The reaction term is nonlinear and subject…

Analysis of PDEs · Mathematics 2025-10-28 William Barker , Le Xuan Dong , Vu Trong Luong , Nguyen Duong Toan

Traveling waves for the FPU chain are constructed by solving the associated equation for the spatial profile $u$ of the wave. We consider solutions whose derivatives $u'$ need not be small, may change sign several times, but decrease at…

Dynamical Systems · Mathematics 2020-04-22 Gianni Arioli , Hans Koch

The problem of propagating nonlinear acoustic waves is considered; the solution to which, both with and without damping, having been obtained to-date starting from the Navier-Stokes-Duhem equations together with the continuity and thermal…

Fluid Dynamics · Physics 2021-09-29 Markus Scholle

We construct non-negative weak solutions of fast diffusion equations with a divergence type of drift term satisfying the $L^q$-energy inequality and speed estimate in Wasserstein spaces under some integrability conditions on the drift term.…

Analysis of PDEs · Mathematics 2025-02-26 Sukjung Hwang , Kyungkeun Kang , Hwa Kil Kim

The existence of smooth periodic traveling solutions in the Dullin-Gottwald-Holm (DGH) equation and the monotonicity of the period function are clarified. By introducing two suitable parameters, we show the existence of periodic travelling…

Dynamical Systems · Mathematics 2023-10-04 Xiaokai He , Aiyong Chen , Gengrong Zhang

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

In this paper, we employ the bifurcation theory of planar dynamical systems to investigate the travelling-wave solutions to a dual equation of the Kaup-Boussinesq system. The expressions for smooth solitary-wave solutions are obtained.

Pattern Formation and Solitons · Physics 2009-10-19 Jiangbo Zhou , Lixin Tian , Xinghua Fan

We consider the problem of existence and stability of solitary traveling waves for the one dimensional discrete non linear Schroedinger equation (DNLS) with cubic nonlinearity, near the continuous limit.We construct a family of solutions…

Numerical Analysis · Mathematics 2018-05-10 Joackim Bernier , Erwan Faou

The Kawahara equation is a weakly nonlinear long-wave model of dispersive waves that emerges when leading order dispersive effects are in balance with the next order correction. Traveling wave solutions of the Kawahara equation satisfy a…

Pattern Formation and Solitons · Physics 2022-03-04 Patrick Sprenger , Thomas J. Bridges , Michael Shearer

In this work we revisit a classical problem of traveling waves in a damped Frenkel-Kontorova lattice driven by a constant external force. We compute these solutions as fixed points of a nonlinear map and obtain the corresponding kinetic…

Pattern Formation and Solitons · Physics 2020-09-04 A. Vainchtein , J. Cuevas-Maraver , P. G. Kevrekidis , H. Xu

We propose a simple algebraic method for generating classes of traveling wave solutions for a variety of partial differential equations of current interest in nonlinear science. This procedure applies equally well to equations which may or…

Pattern Formation and Solitons · Physics 2010-04-20 Dionisio Bazeia , Ashok Das , Laercio Losano , Mauro Jose dos Santos

This article is concerned with the existence and the long time behavior of weak solutions to certain coupled systems of fourth-order degenerate parabolic equations of gradient flow type. The underlying metric is a Wasserstein-like…

Analysis of PDEs · Mathematics 2016-09-23 Daniel Matthes , Jonathan Zinsl

We prove the existence of periodic travelling wave solutions for general discrete nonlinear Klein-Gordon systems, considering both cases of hard and soft on-site potentials. In the case of hard on-site potentials we implement a fixed point…

Analysis of PDEs · Mathematics 2023-07-21 Dirk Hennig , Nikos I. Karachalios

In this paper, we systematically study the existence, asymptotic behaviors, uniqueness, and nonlinear orbital stability of traveling-wave solutions with small propagation speeds for the generalized surface quasi-geostrophic (gSQG) equation.…

Analysis of PDEs · Mathematics 2026-02-10 Daomin Cao , Shanfa Lai , Guolin Qin

In this paper, we pursue our series of papers aiming to show the applicability of the concept of very weak solutions. We consider a wave model with irregular position dependent mass and dissipation terms, in particular, allowing for…

Analysis of PDEs · Mathematics 2023-11-06 Michael Ruzhansky , Mohammed Elamine Sebih , Niyaz Tokmagambetov