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We establish sharp global regularity results for solutions to nonhomogeneous, nonunifomrly elliptic systems with zero boundary conditions. In particular, we obtain everywhere Lipschitz continuity under borderline Lorentz assumptions on the…

偏微分方程分析 · 数学 2022-07-01 Cristiana De Filippis , Mirco Piccinini

Solutions to the compressible Euler equations in all dimensions have been shown to develop finite-time singularities from smooth initial data such as shocks and cusps. There is an extraordinary list of results on this subject. When the…

偏微分方程分析 · 数学 2025-07-10 Jiahong Wu , Fuyi Xu , Xiaoping Zhai

We study the asymptotic time behavior of global smooth solutions to general entropy dissipative hyperbolic systems of balance law in m space dimensions, under the Shizuta-Kawashima condition. We show that these solutions approach constant…

偏微分方程分析 · 数学 2008-12-18 Stefano Bianchini , Bernard Hanouzet , Roberto Natalini

In the article a convergent numerical method for conservative solutions of the Hunter--Saxton equation is derived. The method is based on piecewise linear projections, followed by evolution along characteristics where the time step is…

偏微分方程分析 · 数学 2021-05-13 Katrin Grunert , Anders Nordli , Susanne Solem

The Blackstock-Crighton equation models nonlinear acoustic wave propagation in thermo-viscous fluids. In the present work we investigate the associated inhomogeneous Dirichlet and Neumann boundary value problems in a bounded domain and…

偏微分方程分析 · 数学 2015-06-10 Rainer Brunnhuber , Stefan Meyer

We consider the Nernst-Planck-Navier-Stokes system in a bounded domain of ${\mathbb {R}}^d$, $d=2,3$ with general nonequilibrium Dirichlet boundary conditions for the ionic concentrations. We prove the existence of smooth steady state…

偏微分方程分析 · 数学 2022-10-19 Peter Constantin , Mihaela Ignatova , Fizay-Noah Lee

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…

偏微分方程分析 · 数学 2020-12-08 Anthony Suen

We consider the three-dimensional incompressible magnetohydrodynamics (MHD) equations in a bounded domain with small volume and free moving surface boundary. We establish a priori estimate for solutions with minimal regularity assumptions…

偏微分方程分析 · 数学 2022-07-05 Chenyun Luo , Junyan Zhang

The present paper aims at the investigation of the global stability of large solutions to the compressible Navier-Stokes equations in the whole space. Our main results and innovations can be concluded as follows: Under the assumption that…

偏微分方程分析 · 数学 2017-10-31 Lingbing He , Jingchi Huang , Chao Wang

The purpose of this paper is to establish a complete Schauder theory for the second-order linear elliptic equation and the time-harmonic Maxwell's system. We prove global H\"older regularity for the solutions to the time-harmonic…

偏微分方程分析 · 数学 2024-10-15 Lei Yu , Basang Tsering-xiao

We consider the diffusive Hamilton-Jacobi equation, with homogeneous Dirichlet conditions and regular initial data. It is known from [Barles-DaLio, 2004] that the problem admits a unique, continuous, global viscosity solution, which extends…

偏微分方程分析 · 数学 2025-04-30 Alessio Porretta , Philippe Souplet

A generalized Cahn-Hilliard model in a bounded interval of the real line with no-flux boundary conditions is considered. The label "generalized" refers to the fact that we consider a concentration dependent mobility, the $p$-Laplace…

偏微分方程分析 · 数学 2024-05-20 Raffaele Folino , Luis Fernando Lopez Rios , Marta Strani

The periodic solutions of a type of nonlinear hyperbolic partial differential equations with a localized nonlinearity are investigated. For instance, these equations are known to describe several acoustical systems with fluid-structure…

动力系统 · 数学 2013-06-20 Benjamin Ricaud

Existence, uniqueness, and regularity of time-periodic solutions to the Navier-Stokes equations in the three-dimensional whole-space are investigated. We consider the Navier-Stokes equations with a non-zero drift term corresponding to the…

偏微分方程分析 · 数学 2015-06-17 Mads Kyed

We show, using the spectral Galerkin method together with compactness arguments, existence and uniqueness of the periodic strong solutions for the magnetohydrodynamics's type equations with inhomogeneous boundary conditions. Also, we study…

The time dependent Eikonal equation is a Hamilton-Jacobi equation with Hamiltonian $H(P)=|P|$, which is not strictly convex nor smooth. The regularizing effect of Hamiltonian for the Eikonal equation is much weaker than that of strictly…

偏微分方程分析 · 数学 2017-12-19 Tian-Hong Li , JingHua Wang , HaiRui Wen

We study a fluid-structure interaction problem describing movement of a rigid body inside a bounded domain filled by a viscous fluid. The fluid is modelled by the generalized incompressible Naiver-Stokes equations which include cases of…

偏微分方程分析 · 数学 2021-09-22 Hind Al Baba , Amrita Ghosh , Boris Muha , Sarka Necasova

In this paper, we consider the global well-posedness of the incompressible Hall-MHD equations in $\mathbb{R}^3$. We prove that the solution of this system is globally regular if the initial data is axisymmetric and the swirl components of…

偏微分方程分析 · 数学 2021-05-07 Zhouyu Li , Pan Liu

We investigate singularity formation in the regularized Saint--Venant (rSV) equations, a conservative, non-dispersive shallow water system that is formally regarded as a Hamiltonian regularization of the isentropic Euler equations. While it…

偏微分方程分析 · 数学 2026-04-06 Yunjoo Kim , Bongsuk Kwon , Wanyong Shim

One proves the existence and uniqueness in $(L^p(\mathbb{R}^3))^3$, $\frac{3}{2}<p<2$, of a global mild solution to random vorticity equations associated to stochastic $3D$ Navier-Stokes equations with linear multiplicative Gaussian noise…

概率论 · 数学 2018-06-18 Viorel Barbu , Michael Röckner