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This paper is concerned with the Cauchy problem of the two-dimensional MHD system with magnetic diffusion. It was proved that the MHD equations have a unique global strong solution around the equilibrium state $(0, e_1)$. Furthermore, the…

偏微分方程分析 · 数学 2020-09-10 Zhouyu Li , Pan Liu , Pengcheng Niu

We consider a two-dimensional MHD model describing the evolution of viscous, compressible and electrically conducting fluids under the action of vertical magnetic field without resistivity. Existence of global weak solutions is established…

偏微分方程分析 · 数学 2019-07-02 Yang Li , Yongzhong Sun

In this paper, we study the MHD equations with small viscosity and resistivity coefficients, which may be different. This is a typical setting in high temperature plasmas. It was proved that the MHD equations are globally well-posed if the…

偏微分方程分析 · 数学 2018-03-16 Dongyi Wei , Zhifei Zhang

The present paper is dedicated to the global well-posedness for the 3D inhomogeneous incompressible Navier-Stokes equations, in critical Besov spaces without smallness assumption on the variation of the density. We aim at extending the work…

偏微分方程分析 · 数学 2016-08-09 Xiaoping Zhai , Zhaoyang Yin

This paper concerns the viscous and non-resistive MHD systems which govern the motion of electrically conducting fluids interacting with magnetic fields. We consider an initial-boundary value problem for both compressible and…

偏微分方程分析 · 数学 2017-11-17 Zhong Tan , Yanjin Wang

Due to the absence of dissipation mechanism to the inviscid compressible systems, it is a challenging problem to prove their global solvability. In this paper, we are concerned with the initial-boundary value problem to the inviscid and…

偏微分方程分析 · 数学 2025-08-20 Jinkai Li , Liening Qiao

The current paper establishes the global well-posedness issue for the full viscous MHD equations in the axisymmetric setting. Global solutions are obtained in critical Besov spaces uniformly to the viscosity when the resistivity is fixed in…

偏微分方程分析 · 数学 2022-01-07 Youssouf Maafa , Mohamed Zerguine

The small data global well-posedness of the 3D incompressible Navier-Stokes equations in $\mathbb R^3$ with only one-directional dissipation remains an outstanding open problem. The dissipation in just one direction, say $\partial_1^2 u$ is…

偏微分方程分析 · 数学 2022-11-01 Hongxia Lin , Jiahong Wu , Yi Zhu

Whether the global existence and uniqueness of strong solutions of $n$-dimensional incompressible magnetohydrodynamic (MHD for short) equations with only kinematic viscosity or magnetic diffusion holds true or not remains an outstanding…

偏微分方程分析 · 数学 2024-02-19 Yaowei Xie , Quansen Jiu , Jitao Liu

We prove the global well-posedness of the Cauchy problem to the 3D incompressible Hall-magnetohydrodynamic system supplemented with initial data in critical Besov spaces, which generalize the result in [10]. Meanwhile , we analyze the…

偏微分方程分析 · 数学 2020-01-09 Lvqiao Liu , Jin Tan

In this paper we are concerned with the global well-posedness for the compressible MHD equations with large data. We show that if the shear viscosity $\mu$ is a positive constant and the bulk viscosity $\lambda$ is the power function of the…

偏微分方程分析 · 数学 2012-04-26 Dongfen Bian , Boling Guo

We consider the Cauchy problem to the 3D barotropic compressible Navier-Stokes equation. We prove global well-posedness, assuming that the initial data $(\rho_0-1,u_0)$ has small norms in the critical Besov space…

偏微分方程分析 · 数学 2025-09-23 Zihua Guo , Zihao Song , Minghua Yang

This paper presents a global stability result on perturbations near a background magnetic field to the 2D incompressible magnetohydrodynamic (MHD) equations with only magnetic diffusion on the periodic domain. The stability result provides…

偏微分方程分析 · 数学 2024-02-16 Xiaoping Zhai

This paper aims to establish the global well-posedness of the free boundary problem for the incompressible viscous resistive magnetohydrodynamic (MHD) equations. Under the framework of Lagrangian coordinates, a unique global solution exists…

偏微分方程分析 · 数学 2024-08-29 Wei Zhang , Jie Fu , Chengchun Hao , Siqi Yang

In this paper we consider the global well-posedness of compressible magnetohydrodynamic system in $\R^d$ with $d\geq2$, in the framework of the critical Besov spaces. We can show that if the initial data, the shear viscosity and the…

偏微分方程分析 · 数学 2018-05-01 Jinlu Li , Yanghai Yu , Weipeng Zhu

We establish global well-posedness of strong solutions for the nonhomogeneous magnetohydrodynamic equations with density-dependent viscosity and initial density allowing vanish in two-dimensional (2D) bounded domains. Applying delicate…

偏微分方程分析 · 数学 2024-06-19 Xin Zhong

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

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

This paper focuses on the initial boundary value problem of two-dimensional non-resistive MHD equations in a half space. We prove that the MHD equations have a unique global strong solution around the equilibrium state $(0,\bf{e_1})$ for…

偏微分方程分析 · 数学 2024-01-04 Zhaoyun Zhang , Xiaopeng Zhao

We study the global stability of large solutions to the compressible isentropic magnetohydrodynamic equations in a three-dimensional (3D) bounded domain with Navier-slip boundary conditions. It is shown that the solutions converge to an…

偏微分方程分析 · 数学 2025-10-17 Yang Liu , Guochun Wu , Xin Zhong