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We study the plasma-vacuum interface problem in relativistic magnetohydrodynamics for the case when the plasma density does not go to zero continuously, but jumps. In the vacuum region we consider the Maxwell equations for electric and…

偏微分方程分析 · 数学 2011-11-21 Yuri Trakhinin

We consider the free boundary problem for the plasma-vacuum interface in ideal compressible magnetohydrodynamics (MHD). In the plasma region the flow is governed by the usual compressible MHD equations, while in the vacuum region we…

偏微分方程分析 · 数学 2015-06-12 Paolo Secchi , Yuri Trakhinin

We study equilibrium states in relativistic galactic dynamics which are described by solutions of the Einstein-Vlasov system for collisionless matter. We recast the equations into a regular three-dimensional system of autonomous first order…

广义相对论与量子宇宙学 · 物理学 2019-05-01 Mikael Fjällborg , J. Mark Heinzle , Claes Uggla

The purpose of this paper is twofold. In the first part, we provide a new proof of the global existence of the solutions to the Vlasov-Maxwell system with a small initial distribution function. Our approach relies on vector field methods,…

偏微分方程分析 · 数学 2025-03-05 Léo Bigorgne

A long-standing challenge encountered in modeling plasma dynamics is achieving practical Vlasov equation simulation in multiple spatial dimensions over large length and time scales. While direct multi-dimension Vlasov simulation methods…

等离子体物理 · 物理学 2015-05-30 Harvey A. Rose , William Daughton

Although the nuclear fusion process has received a great deal of attention in recent years, the amount of mathematical analysis that supports the stability of the system seems to be relatively insufficient. This paper deals with the…

偏微分方程分析 · 数学 2021-11-09 Jin Woo Jang , Robert M. Strain , Tak Kwong Wong

We study a system of forced viscous shallow water equations with nontrivial bathymetry in two spatial dimensions. We develop a well-posedness theory for small but arbitrary forcing data, as well as for a fixed data profile but large…

偏微分方程分析 · 数学 2025-02-18 Noah Stevenson , Ian Tice

In this paper we study the large-time behavior of classical solutions to the two-species Vlasov-Maxwell-Boltzmann system in the whole space $\R^3$. The existence of global in time nearby Maxwellian solutions is known from [34] in 2006.…

偏微分方程分析 · 数学 2016-02-22 Renjun Duan , Robert M. Strain

This work deals with the Landau equation in a bounded domain with the Maxwell reflection condition on the boundary for any (possibly smoothly position dependent) accommodation coefficient and for the full range of interaction potentials,…

偏微分方程分析 · 数学 2024-07-15 Kleber Carrapatoso , Stéphane Mischler

The full compressible magnetohydrodynamic system in three-dimensional exterior domains is investigated. For the initial-boundary-value problem of this system with slip boundary condition for the velocity, adiabatic one for the temperature,…

偏微分方程分析 · 数学 2022-11-02 Yunkun Chen , Yi Peng , Xue Wang

This paper develops a new approach to the estimation of the degree of boundedness or stability of multidimensional nonlinear systems with time-dependent nonperiodic coefficients-an essential task in various engineering and natural science…

动力系统 · 数学 2022-06-16 Mark A. Pinsky

We prove asymptotic stability of the Poisson homogeneous equilibrium among solutions of the Vlassov-Poisson system in the Euclidean space $\mathbb{R}^3$. More precisely, we show that small, smooth, and localized perturbations of the Poisson…

偏微分方程分析 · 数学 2024-01-30 Alexandru Ionescu , Benoit Pausader , Xuecheng Wang , Klaus Widmayer

We present a microscopic derivation of the 3-dimensional relativistic Vlasov-Maxwell system as a combined mean field and point-particle limit of an $N$-particle system of rigid charges with $N$-dependent radius. The approximation holds for…

数学物理 · 物理学 2016-02-24 Dustin Lazarovici

We consider the plasma confined in a general axisymmetric spatial domain with perfect conducting boundary which reflects particles specularly, and look at a certain class of equilibria, assuming axisymmetry in the problem. We prove a sharp…

偏微分方程分析 · 数学 2019-10-15 Katherine Zhiyuan Zhang

For the 3D Navier-Stokes-Maxwell problem on the whole space and in the presence of external time-periodic forces, first we study the existence of time-periodic small solutions, and then we prove their asymptotic stability. We use new type…

偏微分方程分析 · 数学 2016-01-26 Slim Ibrahim , Pierre-Gilles Lemarie , Nader Masmoudi

We prove a large-data semi-global existence theorem and the dynamical formation of trapped surfaces for the Einstein-massless Vlasov system in 3+1 dimensions, without any symmetry assumptions. The analysis critically hinges on a finely…

偏微分方程分析 · 数学 2025-10-15 Nikolaos Athanasiou , Puskar Mondal , Shing-Tung Yau

We are concerned with the global existence of classical solutions to the barotropic compressible Navier-Stokes equations with slip boundary condition in a three-dimensional (3D) exterior domain. We demonstrate that the classical solutions…

偏微分方程分析 · 数学 2021-12-13 Guocai Cai , Jing Li , Boqiang Lü

We study the free boundary problem for the plasma-vacuum interface in ideal compressible magnetohydrodynamics. Unlike the classical statement, when the vacuum magnetic field obeys the div-curl system of pre-Maxwell dynamics, we do not…

偏微分方程分析 · 数学 2013-05-24 Nikita Mandrik , Yuri Trakhinin

This thesis is concerned with dynamics of conservative nonlinear waves on bounded domains. In general, there are two scenarios of evolution. Either the solution behaves in an oscillatory, quasiperiodic manner or the nonlinear effects cause…

广义相对论与量子宇宙学 · 物理学 2016-03-04 Maciej Maliborski

This paper is concerned with the global existence and stability of solution to the quasi linear hyperbolic-parabolic chemotaxis system on the half-line,which was proposed in[1] to primarily describe the formation of coherent vascular…

偏微分方程分析 · 数学 2025-09-25 Nangao Zhang