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We study the Cauchy problem for the three-dimensional isentropic compressible ideal (inviscid and non-resistive) magnetohydrodynamic equations with velocity damping on the periodic torus $\mathbb{T}^3$. The system admits a steady…

偏微分方程分析 · 数学 2026-05-07 Liening Qiao , Jiahong Wu , Fuyi Xu , Xiaoping Zhai

We consider the two-dimensional MHD Boundary layer system without hydrodynamic viscosity, and establish the existence and uniqueness of solutions in Sobolev spaces under the assumption that the tangential component of magnetic fields…

偏微分方程分析 · 数学 2021-06-04 Wei-Xi Li , Rui Xu

We study the well-posedness of the Hele-Shaw-Cahn-Hilliard system modeling binary fluid flow in porous media with arbitrary viscosity contrast but matched density between the components. For initial data in $H^s, s>\frac{d}{2}+1$, the…

偏微分方程分析 · 数学 2010-12-15 Xiaoming Wang , Zhifei Zhang

In this article, we show that the magneto-hydrodynamic system (MHD) in $\R^N$ with variable density, variable viscosity and variable conductivity has a local weak solution in the Besov space $\dot B^{\frac{N}{p_1}}_{p_1,1}(\R^N)\times\dot…

偏微分方程分析 · 数学 2008-06-23 Hammadi Abidi , Marius Paicu

In this paper, we consider the three-dimensional full compressible viscous non-resistive MHD system. Global well-posedness is proved for an initial-boundary value problem around a strong background magnetic field. It is also shown that the…

偏微分方程分析 · 数学 2022-03-09 Yang Li

This paper is dedicated to the study of viscous compressible barotropic fluids in dimension $N\geq2$. We address the question of well-posedness for {\it large} data having critical Besov regularity. %Our sole additional assumption is that…

偏微分方程分析 · 数学 2009-03-04 Boris Haspot

In this paper, we study the wellposedeness of the Hall-magnetohydrodynamic system augmented by the effect of electron inertia. Our main result consists of generalising the wellposedness one in \cite{Zhao} from the Sobolev context to the…

偏微分方程分析 · 数学 2020-12-14 Haroune Houamed

In this paper, we prove the global well-posedness of the incompressible MHD equations near a homogeneous equilibrium in the domain $R^k\times T^{d-k}, d\geq2,k\geq1$ by using the comparison principle and constructing the comparison…

偏微分方程分析 · 数学 2017-05-30 Dongyi Wei , Zhifei Zhang

Here we develop a method for investigating global strong solutions of partially dissipative hyperbolic systems in the critical regularity setting. Compared to the recent works by Kawashima and Xu, we use hybrid Besov spaces with different…

偏微分方程分析 · 数学 2022-05-11 Timothée Crin-Barat , Raphael Danchin

This paper is dedicated to the study of viscous compressible barotropic fluids in dimension $N\geq2$. We address the question of well-posedness for {\it large} data having critical Besov regularity. Our result improve the analysis of R.…

偏微分方程分析 · 数学 2009-04-09 Boris Haspot

Aim of this paper is to extend the continuous dependence estimates proved in \cite{JK1} to quasi-monotone systems of fully nonlinear second-order parabolic equations. As by-product of these estimates, we get an H\"older estimate for bounded…

偏微分方程分析 · 数学 2012-02-28 Fabio Camilli , Claudio Marchi

We study the well-posedness for the inhomogeneous Hartree equation $i\partial_t u + \Delta u = \lambda(I_\alpha \ast |\cdot|^{-b}|u|^p)|x|^{-b}|u|^{p-2}u$ in $H^s$, $s\ge0$. Until recently, its well-posedness theory has been intensively…

偏微分方程分析 · 数学 2023-04-18 Seongyeon Kim

We regard the Cauchy problem for a particular Whitham-Boussinesq system modelling surface waves of an inviscid incompressible fluid layer. We are interested in well-posedness at a very low level of regularity. We derive dispersive and…

偏微分方程分析 · 数学 2019-12-17 Evgueni Dinvay , Sigmund Selberg , Achenef Tesfahun

We prove a local in time existence and uniqueness theorem of classical solutions of the coupled Einstein--Euler system, and therefore establish the well posedness of this system. We use the condition that the energy density might vanish or…

偏微分方程分析 · 数学 2009-03-20 Uwe Brauer , Lavi Karp

This article is devoted to the two dimensional simplified Ericksen-Leslie's hyperbolic system for incompressible liquid crystal model, where the direction $d$ of liquid crystal molecules satisfies a wave map equation with an acoustical…

偏微分方程分析 · 数学 2023-07-18 Jiaxi Huang , Ning Jiang , Lifeng Zhao

The paper is devoted to investigating the well-posedness, stability and large-time behavior near the hydrostatic balance for the 2D Boussinesq equations with partial dissipation. More precisely, the global well-posedness is obtained in the…

偏微分方程分析 · 数学 2024-07-30 Kyungkeun Kang , Jihoon Lee , Dinh Duong Nguyen

We present an extension to the special relativistic, ideal magnetohydrodynamics (MHD) equations, designed to capture effects due to resistivity. The extension takes the simple form of an additional source term which, when implemented…

等离子体物理 · 物理学 2019-10-09 Alex James Wright , Ian Hawke

In this work, we explore the global existence of strong solutions for a class of partially diffusive hyperbolic systems within the framework of critical homogeneous Besov spaces. Our objective is twofold: first, to extend our recent…

偏微分方程分析 · 数学 2025-01-06 Jean-Paul Adogbo , Raphäel Danchin

This paper focuses on the 2D compressible magnetohydrodynamic (MHD) equations without magnetic diffusion in a periodic domain. We present a systematic approach to establishing the global existence of smooth solutions when the initial data…

偏微分方程分析 · 数学 2022-06-22 Jiahong Wu , Yi Zhu

We carry out a comprehensive study of quantitative homogenization of second-order elliptic systems with bounded measurable coefficients that are almost-periodic in the sense of H. Weyl. We obtain uniform local $L^2$ estimates for the…

偏微分方程分析 · 数学 2016-03-17 Zhongwei Shen , Jinping Zhuge