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This work focuses on the 3D incompressible magnetohydrodynamic (MHD) equations with mixed pressure-velocity-magnetic field in view of Lorentz spaces. Our main result shows the weak solution is regular, provided that $${\frac{\pi }{\left(…

偏微分方程分析 · 数学 2022-03-03 Ahmad M. Alghamdi , Sadek Gala , Maria Alessandra Ragusa

We consider the Cauchy problem for the electron magnetohydrodynamics model in the supercritical regime. For rough initial data in $\mathcal H^{-s}(\mathbb T^n)$ with $s>0$, we obtain global in time weak solutions almost surely via an…

偏微分方程分析 · 数学 2022-01-21 Mimi Dai

In this paper we deal with weak solutions to the Maxwell-Landau-Lifshitz equations and to the Hall-Magneto-Hydrodynamic equations. First we prove that these solutions satisfy some weak-strong uniqueness property. Then we investigate the…

偏微分方程分析 · 数学 2015-06-15 Eric Dumas , Franck Sueur

In this article, we prove the existence of global weak solutions to the three-dimensional focusing energy-critical nonlinear Schr\"odinger (NLS) equation in the non-radial case. Furthermore, we prove the weak-strong uniqueness for some…

偏微分方程分析 · 数学 2026-01-30 Xing Cheng , Chang-Yu Guo , Yunrui Zheng

We consider the Cauchy problem for incompressible viscoelastic fluids in the whole space $\mathbb{R}^d$ ($d=2,3$). By introducing a new decomposition via Helmholtz's projections, we first provide an alternative proof on the existence of…

偏微分方程分析 · 数学 2023-07-28 Xianpeng Hu , Hao Wu

The stationary Navier--Stokes--Cahn--Hilliard equations are considered, governing the motion of a compressible, two-phase fluid mixture with a diffuse interface. The free energy density in this paper has a singular logarithmic…

偏微分方程分析 · 数学 2026-05-05 Zhilei Liang , Sen Liu , Jiangyu Shuai , Dehua Wang

This paper is a continuation of our previous work (arXiv:2507.03505), where the global existence and incompressible limit of weak solutions to the isentropic compressible Navier-Stokes equations in the half-plane with ripped density and…

偏微分方程分析 · 数学 2025-10-28 Shuai Wang , Guochun Wu , Xin Zhong

In this paper, we address the 3D incompressible Hall-magnetohydrodynamic system (Hall-MHD). Our objective is to provide local and global well-posedness results for initial velocity $u_{0}$, magnetic field $B_{0}$ and the current…

偏微分方程分析 · 数学 2024-10-29 Lucas C. F. Ferreira , Rafael P. da Silva

A class of sufficient conditions of local regularity for suitable weak solutions to the nonstationary three-dimensional Navier-Stokes equations are discussed. The corresponding results are formulated in terms of functionals which are…

偏微分方程分析 · 数学 2007-05-23 G Seregin

A fluid-particle system of the inhomogeneous Navier-Stokes equations and Vlasov equation in the three dimensional space is considered in this paper. The coupling arises from the drag force in the fluid equations and the acceleration in the…

偏微分方程分析 · 数学 2013-04-18 Dehua Wang , Cheng Yu

This paper concerns the barotropic compressible Navier-Stokes equations in a two-dimensional half-space subject to Navier-slip boundary conditions with vacuum or non-vacuum far-field density. The global existence and large-time behavior of…

偏微分方程分析 · 数学 2026-05-29 Qinghao Lei , Weirong Liang

We study the theory of local and global strong solution for the stochastic tamed Navier--Stokes equations with multiplicative Wiener and L\'evy jump noise in the whole space $\R^3$. More specifically, we first prove the existence of a…

偏微分方程分析 · 数学 2026-05-06 Bikram Podder , Surendra Kumar

In this paper we consider the 2D Ericksen-Leslie equations which describes the hydrodynamics of nematic Liquid crystal with external body forces and anisotropic energy modeling the energy of applied external control such as magnetic or…

偏微分方程分析 · 数学 2020-05-18 Zdzislaw Brzezniak , Gabriel Deugoue , Paul Andre Razafimandimby

In this paper, we study the problem of energy equality for weak solutions of the 3D incompressible fractional Navier-Stokes / MHD equations. With the help of the technique of symmetrization and interpolation method, we obtain some new…

偏微分方程分析 · 数学 2025-10-14 Yi Feng , Weihua Wang

We establish the global existence of forward self-similar solutions to the two-dimensional incompressible Navier-Stokes equations for any divergence-free initial velocity that is homogeneous of degree $-1$ and locally H\"older continuous.…

偏微分方程分析 · 数学 2026-01-16 Changfeng Gui , Hao Liu , Chunjing Xie

Our paper deals with three-dimensional nonsteady Navier-Stokes equations for non-Newtonian compressible fluids. It contains a~derivation of the relative energy inequality for the weak solutions to these equations. We show that the standard…

偏微分方程分析 · 数学 2022-10-25 Richard Andrášik , Václav Mácha , Rostislav Vodák

The Navier-Stokes-Fourier system describing the motion of a compressible, viscous, and heat conducting fluid is known to possess global-in-time weak solutions for any initial data of finite energy. We show that a weak solution coincides…

偏微分方程分析 · 数学 2015-06-03 Eduard Feireisl , Antonin Novotny

We are concerned with the Cauchy problem of the two-dimensional (2D) nonhomogeneous incompressible Navier-Stokes equations with vacuum as far-field density. It is proved that if the initial density decays not too slow at infinity, the 2D…

偏微分方程分析 · 数学 2018-04-30 Boqiang Lv , Xiaoding Shi , Xin Zhong

The aim of the note is to discuss different definitions of solutions to the Cauchy problem for the Navier-Stokes equations with the initial data belonging to the Lebesgue space $L_3(\mathbb R^3)$

偏微分方程分析 · 数学 2016-01-14 G. Seregin , V. Sverak

This paper studies the local existence of strong solutions to the Cauchy problem of the 2D fluid-particle interaction model with vacuum as far field density. Notice that the technique used by Ding et al.\cite{SBH} for the corresponding 3D…

偏微分方程分析 · 数学 2016-09-04 Yang Liu