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In this paper we establish local-in-time existence and uniqueness of strong solutions in $H^s$ for $s > \frac{n}{2}$ to the viscous, zero thermal-diffusive Boussinesq equations in $\mathbb{R}^n , n = 2,3$. Beale-Kato-Majda type blow-up…

Analysis of PDEs · Mathematics 2017-06-19 Utpal Manna , Akash A. Panda

We establish local-in-time existence for the Euler equations on a bounded domain with space-time dependent variable coefficients, given initial data $v_0 \in H^r$ under the optimal regularity condition $r > 2.5$. In the case $r = 3$, we…

Analysis of PDEs · Mathematics 2025-09-03 Benjamin Ingimarson , Igor Kukavica , Amjad Tuffaha

We study an initial boundary value problem for the 3D magnetohydrodynamics (MHD) equations of compressible fluids in $\R^3$. We establish a blow-up criterion for the local strong solutions in terms of the density and magnetic field. Namely,…

Analysis of PDEs · Mathematics 2012-07-11 Anthony Suen

We propose a one-dimensional (1D) model for the three-dimensional(3D) incompressible ideal magnetohydrodynamics. We establish a regularity criterion of the Beale-Kato-Majda type for this 1D model. Without the stretching effect, the model…

Analysis of PDEs · Mathematics 2023-08-09 Mimi Dai , Bhakti Vyas , Xiangxiong Zhang

In this paper we study the magneto-micropolar fluid equations in $\R^3$, prove the existence of the strong solution with initial data in $H^s(\R^3)$ for $s> {3/2}$, and set up its blow-up criterion. The tool we mainly use is…

Analysis of PDEs · Mathematics 2008-10-26 Jia Yuan

In this paper, we establish an optimal blow-up criterion for classical solutions to the incompressible resistive Hall-magnetohydrodynamic equations. We also prove two global-in-time existence results of the classical solutions for small…

Analysis of PDEs · Mathematics 2013-05-24 Dongho Chae , Jihoon Lee

The question of spontaneous apparition of singularity in the 3D incompressible Euler equations is one of the most important and challenging open problems in mathematical fluid mechanics. In this survey article we review some of recent…

Analysis of PDEs · Mathematics 2007-05-23 Dongho Chae

We address the compressible magnetohydrodynamics (MHD) equations in $\mathbb{R}^3$ and establish a blow-up criterion for the local strong solutions in terms of the density only. Namely, if the density is away from vacuum ($\rho= 0$) and the…

Analysis of PDEs · Mathematics 2020-12-08 Anthony Suen

In this paper, we consider the $3$D compressible radiation hydrodynamic (RHD) equations with thermal conductivity in a bounded domain. The existence of unique local strong solutions is firstly established when the initial data are…

Analysis of PDEs · Mathematics 2014-11-25 Yachun li , Shengguo Zhu

In this paper, we prove a blow-up criterion in terms of the magnetic field $H$ and the mass density $\rho$ for the strong solutions to the $3$D compressible isentropic MHD equations with zero magnetic diffusion and initial vacuum. More…

Analysis of PDEs · Mathematics 2018-06-14 Shuai Xi , Shengguo Zhu

We prove by an explicit construction that solutions to incompressible 3D Euler equations defined in the periodic cube can be mapped bijectively to a new system of equations whose solutions are globally regular. We establish that the usual…

Fluid Dynamics · Physics 2011-07-08 Miguel D. Bustamante

This paper establishes a blow-up criterion of strong solutions to the two-dimensional compressible magnetohydrodynamic (MHD) flows. The criterion depends on the density, but is independent of the velocity and the magnetic field. More…

Analysis of PDEs · Mathematics 2015-01-23 Teng Wang

In this paper we deal with the existence of local strong solution for a perfect compressible viscous fluid, heat conductive and self gravitating, coupled with a first order kinetics used in astrophysical hydrodynamical models. In our…

Analysis of PDEs · Mathematics 2022-11-22 Donatella Donatelli , Lorenzo Pescatore

This paper establishes the local-in-time existence and uniqueness of solutions to the viscous, non-resistive magnetohydrodynamics (MHD) equations in $\mathbb{R}^d$, $d=2,3$, with initial data $B_0\in H^s(\mathbb{R}^d)$ and $u_0\in…

Analysis of PDEs · Mathematics 2016-09-21 Charles L. Fefferman , David S. McCormick , James C. Robinson , Jose L. Rodrigo

This paper concerns the Cauchy problem of two-dimensional (2D) full compressible magnetohydrodynamic (MHD) equations in the whole plane $\mathbb{R}^2$ with zero density at infinity. By spatial weighted energy method, we derive the local…

Analysis of PDEs · Mathematics 2022-05-18 Hong Chen , Xin Zhong

This paper characterizes the possible blow-up of solutions for the 3D magneto-hydrodynamics (MHD for short) equations. We first establish some $\epsilon$-regularity criteria in $L^{q,\infty}$ spaces for suitable weak solutions, and then…

Analysis of PDEs · Mathematics 2021-08-25 Wenke Tan , Fan Wu

We are concerned with an initial boundary value problem for the compressible magnetohydrodynamic equations with viscosity depending on the density. It is show that for the initial density away from vacuum, the strong solution to the problem…

Analysis of PDEs · Mathematics 2016-04-01 Xin Zhong

In this paper, we prove that suitable weak solution $(u,b)$ of the 3-D MHD equations can be extended beyond $T$ if $u\in L^\infty(0,T;L^3(\R^3))$ and the horizontal components $b_h$ of the magnetic field satisfies the well-known…

Analysis of PDEs · Mathematics 2016-03-09 Wendong Wang

We focus on the existence and uniqueness of the three-dimensional Landau-Lifshitz-Bloch equation supplemented with the initial data in Besov space $\dot{B}_{2,1}^{\frac{3}{2}}$. Utilizing a new commutator estimate, we establish the local…

Analysis of PDEs · Mathematics 2022-11-08 Yi Peng , Huaqiao Wang

In this paper, we deal with the $2\frac{1}{2}$ dimensional Hall MHD by taking the velocity field $u$ and the magnetic field $B$ of the form $u(t,x,y)=\left(\nabla^{\perp}\phi(t,x,y), W(t,x,y)\right)$ and…

Analysis of PDEs · Mathematics 2021-11-03 Hantaek Bae , Kyungkeun Kang
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