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Related papers: Global well-posedness for the Kawahara equation wi…

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This paper is concerned with the local well-posedness for the higher-order generalized KdV type equation with low-degree of nonlinearity. The equation arises as a non-integrable and lower nonlinearity version of the higher-order KdV…

Analysis of PDEs · Mathematics 2021-09-07 Hayato Miyazaki

This article represents a first step towards understanding the well-posedness for the dispersive Hunter-Saxton equation. This problem arises in the study of nematic liquid crystals, and although the equation has formal similarities with the…

Analysis of PDEs · Mathematics 2021-05-06 Albert Ai , Ovidiu-Neculai Avadanei

In this Paper we study a Bloch-Torrey regularization of the Rosensweig system for ferrofluids. The scope of this paper is twofold. First of all, we investigate the existence and uniqueness of solutions \`a la Leray of this model in the…

Analysis of PDEs · Mathematics 2018-04-19 Francesco De Anna , Stefano Scrobogna

In this paper we mainly study the Cauchy problem for a generalized Camassa-Holm equation. First, by using the Littlewood-Paley decomposition and transport equations theory, we establish the local well-posedness for the Cauchy problem of the…

Analysis of PDEs · Mathematics 2015-07-21 Xi Tu , Zhaoyang Yin

In this article, we address the Cauchy problem associated with the $k$-generalized Zakharov-Kuznetsov equation posed on $\mathbb{R} \times \mathbb{T}$. By establishing an almost optimal linear $L^4$-estimate, along with a family of bilinear…

Analysis of PDEs · Mathematics 2025-12-16 Jakob Nowicki-Koth

In this paper, we consider the Klein-Gordon-Schr\"{o}dinger system with the higher order Yukawa coupling in $ \mathbb{R}^{1+1} $, and prove the local and global wellposedness in $L^2\times H^{1/2}$. The method to be used is adapted from the…

Analysis of PDEs · Mathematics 2008-10-09 Changxing Miao , Guixiang Xu

In this paper, we study higher order hyperbolic pseudo-differential equations with variable multiplicities. We work in arbitrary space dimension and we assume that the principal part is time-dependent only. We identify sufficient conditions…

Analysis of PDEs · Mathematics 2024-05-09 Claudia Garetto , Bolys Sabitbek

We study the Cauchy problem in $n$-dimensional space for the system of Navier-Stokes equations in critical mixed-norm Lebesgue spaces. Local well-posedness and global well-posedness of solutions are established in the class of critical…

Analysis of PDEs · Mathematics 2019-04-16 Tuoc Phan

Motivated by transverse stability issues, we address the time evolution under the KP-II flow of perturbations of a solution which does not decay in all directions, for instance the KdV-line soliton. We study two different types of…

Analysis of PDEs · Mathematics 2015-05-20 Luc Molinet , Jean-Claude Saut , Nikolay Tzvetkov

In this paper we prove full local well-posedness for the Cauchy problem for the compressible 3D Euler equation, i.e. local existence, uniqueness, and continuous dependence on initial data, with initial velocity, density and vorticity…

Analysis of PDEs · Mathematics 2026-02-05 Lars Andersson , Huali Zhang

This paper aims to show global existence and modified scattering for the solutions of the Cauchy problem to the modified Whitham equations for small, smooth and localized initial data. The main difficulties come from slow decay and…

Analysis of PDEs · Mathematics 2025-05-15 Han Cui , Yuexun Wang , Zhouping Xin

In this paper, we study the Cauchy problem of a higher-order $\mu$-Camassa-Holm equation. By employing the Green's function of $(\mu-\partial_{x}^{2})^{-2}$, we obtain the explicit formula of the inverse function…

Mathematical Physics · Physics 2018-05-11 Feng Wang , Fengquan Li , Zhijun Qiao

We prove that the Cauchy problem of the Schr\"odinger - Korteweg - deVries (NLS-KdV) system on $\mathbb{T}$ is globally well-posed for initial data $(u_0,v_0)$ below the energy space $H^1\times H^1$. More precisely, we show that the…

Analysis of PDEs · Mathematics 2007-05-23 Carlos Matheus

We consider the compact case of one-dimensional quantum Zakharov system, as an initial-value problem with periodic boundary conditions. We apply the Bourgain norm method to show low regularity local well-posedness for a certain class of…

Analysis of PDEs · Mathematics 2026-02-23 Brian J Choi

This paper is aimed to establish well-posedness in several settings for the Cauchy problem associated to a model arising in the study of capillary-gravity flows. More precisely, we determinate local well-posedness conclusions in classical…

Analysis of PDEs · Mathematics 2020-05-21 Oscar Riaño

The initial boundary-value problem (IBVP) and the Cauchy problem for the Kuramoto--Sivashinsky equation and other related $2m$th-order semilinear parabolic partial differential equations in one and N dimensions are considered. Global…

Analysis of PDEs · Mathematics 2009-02-03 V. A. Galaktionov , E. Mitidieri , S. I. Pohozaev

This paper concerns the local well-posedness for the "good" Boussinesq equation subject to quasi-periodic initial conditions. By constructing a delicately and subtly iterative process together with an explicit combinatorial analysis, we…

Analysis of PDEs · Mathematics 2020-07-13 Yixian Gao , Yong Li , Chang Su

We consider ill-posedness of the Cauchy problem for the generalized Boussinesq and Kawahara equations. We prove norm inflation with general initial data, an improvement over the ill-posedness results by Geba et al., Nonlinear Anal. 95…

Analysis of PDEs · Mathematics 2018-05-17 Mamoru Okamoto

In this paper, we investigate the Cauchy problem for the higher-order KdV-type equation \begin{eqnarray*} u_{t}+(-1)^{j+1}\partial_{x}^{2j+1}u + \frac{1}{2}\partial_{x}(u^{2}) = 0,j\in N^{+},x\in\mathbf{T}= [0,2\pi \lambda) \end{eqnarray*}…

Analysis of PDEs · Mathematics 2015-11-10 Wei Yan , Minjie Jiang , Yongsheng Li , Jianhua Huang

In this paper we analyse the well-posedness of the Cauchy problem for a rather general class of hyperbolic systems with space-time dependent coefficients and with multiple characteristics of variable multiplicity. First, we establish a…

Analysis of PDEs · Mathematics 2018-12-27 Claudia Garetto , Christian Jäh , Michael Ruzhansky