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This paper is devoted to the study of the nonlinear stability of the rarefaction waves of the Vlasov-Poisson-Boltzmann system with slab symmetry in the case where the electron background density satisfies an analogue of the Boltzmann…

Analysis of PDEs · Mathematics 2014-05-13 Renjun Duan , Shuangqian Liu

We study a two-dimensional free boundary problem that models motility of eukaryotic cells on substrates. This problem consists of an elliptic equation describing the flow of cytoskeleton gel coupled with a convection-diffusion PDE for the…

Analysis of PDEs · Mathematics 2017-07-12 Leonid Berlyand , Jan Fuhrmann , Volodymyr Rybalko

We consider the existence of periodic traveling waves in a bidirectional Whitham equation, combining the full two-way dispersion relation from the incompressible Euler equations with a canonical shallow water nonlinearity. Of particular…

Analysis of PDEs · Mathematics 2018-04-16 Mats Ehrnström , Mathew A. Johnson , Kyle M. Claassen

The Euler-Poisson system is a fundamental two-fluid model to describe the dynamics of the plasma consisting of compressible electrons and a uniform ion background. By using the dispersive Klein-Gordon effect, Guo \cite{Guo98} first…

Analysis of PDEs · Mathematics 2011-09-21 Juhi Jang , Dong Li , Xiaoyi Zhang

We consider the global bifurcation problem for spatially periodic traveling waves for two-dimensional gravity-capillary vortex sheets. The two fluids have arbitrary constant, non-negative densities (not both zero), the gravity parameter can…

Analysis of PDEs · Mathematics 2014-12-30 David M. Ambrose , Walter A. Strauss , J. Douglas Wright

We study traveling wave solutions of an equation for surface waves of moderate amplitude arising as a shallow water approximation of the Euler equations for inviscid, incompressible and homogenous fluids. We obtain solitary waves of…

Classical Analysis and ODEs · Mathematics 2013-12-06 Armengol Gasull , Anna Geyer

We construct global curves of rotational traveling wave solutions to the $2D$ water wave equations on a compact domain. The real analytic interface is subject to surface tension, while gravitational effects are ignored. In contrast to the…

Analysis of PDEs · Mathematics 2024-07-25 Gary Moon , Yilun Wu

The purpose of this work is to introduce a concept of traveling waves in the setting of periodic metric graphs. It is known that the nonlinear Schr{\"o}dinger (NLS) equation on periodic metric graphs can be reduced asymptotically on long…

Analysis of PDEs · Mathematics 2025-05-07 Stefan Le Coz , Dmitry E. Pelinovsky , Guido Schneider

We consider the gravity water waves system with a periodic one-dimensional interface in infinite depth and we establish the existence and the linear stability of small amplitude, quasi-periodic in time, traveling waves. This provides the…

Analysis of PDEs · Mathematics 2021-11-01 Roberto Feola , Filippo Giuliani

We study a non-linear and non-local evolution equation for curves obtained as the sharp interface limit of a phase-field model for crawling motion of eukaryotic cells on a substrate. We establish uniqueness of solutions to the sharp…

Analysis of PDEs · Mathematics 2017-03-03 Matthew S. Mizuhara , Peng Zhang

This paper investigates solitary water waves propagating along the surface of a two-dimensional dielectric fluid with constant vorticity in the presence of an external electric field. We formulate the system as a nonlinear free boundary…

Analysis of PDEs · Mathematics 2026-04-28 Tingting Feng , Yong Zhang , Zhitao Zhang

This paper focuses on traveling wave solutions for the so-called Rosenzweig-MacArthur model with spatial diffusion. The main results of this note are concerned with the existence and uniqueness of traveling wave solution as well as periodic…

Analysis of PDEs · Mathematics 2019-10-25 Arnaud Ducrot , Zhihua Liu , Pierre Magal

In this paper we mainly investigate the traveling wave solution of the two dimensional Euler equations with gravity at the free surface over a flat bed. We assume that the free surface is almost periodic in the horizontal direction. Using…

Analysis of PDEs · Mathematics 2018-05-24 Wei Luo , Zhaoyang Yin

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

This paper investigates the stability of traveling wave solutions to the free boundary Euler equations with a submerged point vortex. We prove that sufficiently small-amplitude waves with small enough vortex strength are conditionally…

Analysis of PDEs · Mathematics 2019-07-30 Kristoffer Varholm , Erik Wahlén , Samuel Walsh

We investigate the existence and properties of traveling waves for the Euler-Korteweg system with general capillarity and pressure. Our main result is the existence in dimension two of waves with arbitrarily small energy. They are obtained…

Analysis of PDEs · Mathematics 2017-09-13 Corentin Audiard

We construct large families of two-dimensional travelling water waves propagating under the influence of gravity in a flow of constant vorticity over a flat bed. A Riemann-Hilbert problem approach is used to recast the governing equations…

Analysis of PDEs · Mathematics 2014-07-02 Adrian Constantin , Walter Strauss , Eugen Varvaruca

We consider a system of NLS with cubic interactions arising in nonlinear optics without Galilean symmetry. The absence of Galilean symmetry can lead to many difficulties, such as global existence and blowup problems; see [Comm. Partial…

Analysis of PDEs · Mathematics 2024-08-06 Yuan Li , Kai Wang , Qingxuan Wang

The Euler-Poisson system is a fundamental two-fluid model to describe the dynamics of the plasma consisting of compressible electrons and a uniform ion background. In the 3D case Guo first constructed a global smooth irrotational solution…

Mathematical Physics · Physics 2013-11-25 Dong Li , Yifei Wu

In this paper, we present strong numerical evidences that the incompressible axisymmetric Euler equations with degenerate viscosity coefficients and smooth initial data of finite energy develop a potential finite-time locally self-similar…

Analysis of PDEs · Mathematics 2022-05-30 Thomas Y. Hou , De Huang