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In this paper, we prove the global existence and the large time decay estimate of solutions to the two-dimensional MHD boundary layer equations with small initial data, which is analytical in the tangential variable. The main idea of the…

Analysis of PDEs · Mathematics 2020-06-23 Ning Liu , Ping Zhang

We establish the well-posedness of the MHD boundary layer system in Gevrey function space without any structural assumption. Compared to the classical Prandtl equation, the loss of tangential derivative comes from both the velocity and…

Analysis of PDEs · Mathematics 2020-09-15 Wei-Xi Li , Tong Yang

In this paper we are concerned with the global well-posedness of solutions to magnetohydrodynamics (MHD) boundary layer equations in analytic function spaces. When the initial data is a small perturbation around a selected profile, and such…

Analysis of PDEs · Mathematics 2021-03-17 Shengxin Li , Feng Xie

We consider the global well-posedness and decay rates for solutions of 3D incompressible micropolar equation in the critical Besov space. Spectrum analysis allows us to find not only parabolic behaviors of solutions, but also damping effect…

Analysis of PDEs · Mathematics 2024-04-16 Zihao Song

For the three dimensional Prandtl boundary layer equations, we will show that for arbitrary $M$ and sufficiently small $\epsilon$, the lifespan of the Gevrey-2 solution is at least of size $\epsilon^{-M}$ if the initial data lies in…

Analysis of PDEs · Mathematics 2022-12-06 Xinghong Pan , Chao-Jiang Xu

We obtain an asymptotic rate of decay for the radius of spatial analyticity of solutions to the nonlinear wave equation with initial data in the analytic Gevrey spaces.

Analysis of PDEs · Mathematics 2023-10-26 Daniel Oliveira da Silva , Alejandro J. Castro

We study the initial-boundary value problem for 1D compressible MHD equations of viscous non-resistive fluids in the Lagrangian mass coordinates. Based on the estimates of upper and lower bounds of the density, weak solutions are…

Analysis of PDEs · Mathematics 2019-07-02 Yang Li , Yongzhong Sun

The present paper is devoted to the proof of time decay estimates for derivatives at any order of finite energy global solutions of the Navier-Stokes equations in general two-dimensional domains. These estimates only depend on the order of…

Analysis of PDEs · Mathematics 2025-02-05 Raphaël Danchin

We study the two-dimensional MHD boundary layer equations. For small perturbation around a tangential background magnetic field, we obtain the global-in-time existence and uniqueness of solutions in Sobolev spaces. The proof relies on the…

Analysis of PDEs · Mathematics 2024-09-20 Wei-Xi Li , Zhan Xu , Anita Yang

Consider three-dimensional fractional MHD equations in an exterior domain with the Dirichlet boundary condition assumed. Asymptotic behaviours of weak solutions to the three-dimensional exterior fractional MHD equations are studied. $L^2$…

Analysis of PDEs · Mathematics 2025-02-03 Zhi-Min Chen , Bo-Qing Dong , Qiuyue Zhang

This paper is devoted to the study of the compressible boundary layer equations in the Gevrey-2 solution space. Compared to the classical Prandtl equation, the additional complexity arises from the strong interaction between viscous layer…

Analysis of PDEs · Mathematics 2026-04-20 Ya-Guang Wang , Yi-Lei Zhao

An initial boundary value problem for compressible Magnetohydrodynamics (MHD) is considered on an exterior domain (with the first Betti number vanishes) in $R^3$ in this paper. The global existence of smooth solutions near a given constant…

Analysis of PDEs · Mathematics 2022-11-23 Hairong Liu , Tao Luo , Hua Zhong

The \emph{two-dimensional} (2D) existence result of global(-in-time) solutions for the motion equations of incompressible, inviscid, non-resistive magnetohydrodynamic (MHD) fluids with velocity damping had been established in [Wu--Wu--Xu,…

Analysis of PDEs · Mathematics 2021-05-14 Fei Jiang , Song Jiang , Youyi Zhao

In this work we prove the weighted Gevrey regularity of solutions to the incompressible Euler equation with initial data decaying polynomially at infinity. This is motivated by the well-posedness problem of vertical boundary layer equation…

Analysis of PDEs · Mathematics 2016-11-24 Feng Cheng , Wei-Xi Li , Chao-Jiang Xu

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…

Analysis of PDEs · Mathematics 2024-01-04 Zhaoyun Zhang , Xiaopeng Zhao

In this work we study the global existence for 3d semilinear wave equation with non-negative potential satisfying generic decay assumptions. In the supercritical case we establish the small data global existence result. The approach is…

Analysis of PDEs · Mathematics 2022-01-19 Vladimir Georgiev , Hideo Kubo

In recent years, the global existence of classical solutions to the Cauchy problem for 2D incompressible viscous MHD equations without magnetic diffusion has been proved in \cite{Ren,TZhang}, under the assumption that initial data is close…

Analysis of PDEs · Mathematics 2025-05-22 Shijin Ding , Ronghua Pan , Yi Zhu

Whether or not smooth solutions to the 3D compressible magnetohydrodynamic (MHD) equations without magnetic diffusion are always global in time remains an extremely challenging open problem. No global well-posedness or stability result is…

Analysis of PDEs · Mathematics 2023-07-19 Jiahong Wu , Xiaoping Zhai

In this paper, we establish Gevrey class regularity of solutions to a class of dissipative equations with an analytic nonlinearity in the whole space. This generalizes the results of Ferrari and Titi in the periodic space case with initial…

Analysis of PDEs · Mathematics 2014-03-10 Hantaek Bae , Animikh Biswas

We study the Cauchy problem of three-dimensional compressible non-isentropic magnetohydrodynamic (MHD) fluids with both interior and far field vacuum states. Applying delicate energy estimates, initial layer analysis, and continuation…

Analysis of PDEs · Mathematics 2024-08-23 Yang Liu , Xin Zhong
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