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In this paper we give a proof of an Onsager type conjecture on conservation of energy and entropies of weak solutions to the relativistic Vlasov--Maxwell equations. As concerns the regularity of weak solutions, say in Sobolev spaces…

偏微分方程分析 · 数学 2019-04-02 Claude Bardos , Nicolas Besse , Toan T. Nguyen

We show that weak solutions of the relativistic Vlasov-Maxwell system preserve the total energy provided that the electromagnetic field is locally of bounded variation and, for any $\lambda$> 0, the one-particle distribution function has a…

偏微分方程分析 · 数学 2012-09-04 Reinel Sospedra-Alfonso

The aim of this work is to extend and prove the Onsager conjecture for a class of conservation laws that possess generalized entropy. One of the main findings of this work is the "universality" of the Onsager exponent, $\alpha > 1/3$,…

偏微分方程分析 · 数学 2018-10-17 Claude Bardos , Piotr Gwiazda , Agnieszka Świerczewska-Gwiazda , Edriss S. Titi , Emil Wiedemann

The first half of Onsager's conjecture states that the Euler equations of an ideal incompressible fluid conserve energy if $u (\cdot ,t) \in C^{0, \theta} (\mathbb{T}^3)$ with $\theta > \frac{1}{3}$. In this paper, we prove an analogue of…

偏微分方程分析 · 数学 2022-11-23 Daniel W. Boutros , Edriss S. Titi

For general hyperbolic systems of conservation laws we show that dissipative weak solutions belonging to an appropriate Besov space $B^{\alpha,\infty}_q$ and satisfying a one-sided bound condition are unique within the class of dissipative…

偏微分方程分析 · 数学 2020-07-22 Shyam Sundar Ghoshal , Animesh Jana , Konstantinos Koumatos

This paper is concerned with entropy solutions of scalar conservation laws of the form $\partial_{t}u+\diver f=0$ in $\mathbb{R}^d\times(0,\infty)$. The flux $f=f(x,u)$ depends explicitly on the spatial variable $x$. Using an extension of…

偏微分方程分析 · 数学 2025-08-07 Paz Hashash

We show that a relative entropy condition recently shown by Leger and Vasseur to imply uniqueness and stable $L^2$ dependence on initial data of Lax 1- or $n$-shock solutions of an $n\times n$ system of hyperbolic conservation laws with…

偏微分方程分析 · 数学 2014-12-10 Benjamin Texier , Kevin Zumbrun

We give conditions that guarantee uniqueness of renormalized solutions for the Maxwell-Stefan system. The proof is based on an identity for the evolution of the symmetrized relative entropy. Using the method of doubling the variables we…

偏微分方程分析 · 数学 2024-07-10 Stefanos Georgiadis , Hoyoun Kim , Athanasios E. Tzavaras

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

In this paper, we propose a Hamiltonian regularization of scalar conservation laws, which is parametrized by $\ell > 0$ and conserves an $H^1$ energy. We prove the existence of global weak solutions for this regularization. Furthermore, we…

偏微分方程分析 · 数学 2024-03-08 Billel Guelmame

We show that weak solutions of general conservation laws in bounded domains conserve their generalized entropy, and other respective companion laws, if they possess a certain fractional differentiability of order 1/3 in the interior of the…

偏微分方程分析 · 数学 2019-02-20 Claude Bardos , Piotr Gwiazda , Agnieszka Świerczewska-Gwiazda , Edriss S. Titi , Emil Wiedemann

In this paper we prove existence and regularity of weak solutions for the following system \begin{align*} \begin{cases} &-\mbox{div}\Bigg(\bigg(\|\nabla u\|^{p}_{L^{p}}+\|\nabla v\|^{p}_{L^{p}}\bigg)|\nabla u|^{p-2}\nabla u\Bigg) +…

偏微分方程分析 · 数学 2025-07-29 Luís Henrique de Miranda , Ayana Pinheiro de Castro Santana

We give a localized regularity condition for energy conservation of weak solutions of the Euler equations on a domain $\Omega\subset \mathbb{R}^d$, $d\ge 2$, with boundary. In the bulk of fluid, we assume Besov regularity of the velocity…

偏微分方程分析 · 数学 2019-04-04 Theodore D. Drivas , Huy Q. Nguyen

A well-known theorem of Lax and Wendroff states that if the sequence of approximate solutions to a system of hyperbolic conservation laws generated by a conservative consistent numerical scheme converges boundedly a.e. as the mesh parameter…

数值分析 · 数学 2007-05-23 Volker Elling

It is argued that the relativistic Vlasov--Maxwell equations of the kinetic theory of plasma approximately describe a relativistic system of $N$ charged point particles interacting with the electromagnetic Maxwell fields in a…

等离子体物理 · 物理学 2020-08-12 Michael K. -H. Kiessling , Yves Elskens

We study the quasineutral limit for the relativistic Vlasov-Maxwell system in the framework of analytic regularity. Following the high regularity approach introduced by Grenier [44] for the Vlasov-Poisson system, we construct local-in-time…

偏微分方程分析 · 数学 2025-05-19 Antoine Gagnebin , Mikaela Iacobelli , Alexandre Rege , Stefano Rossi

We consider the $3$-dimensional relativistic Vlasov-Maxwell system with data without compact support in momentum space. We prove two continuation criteria for solutions to this system. First, we show that a regular solution can be continued…

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

This paper is devoted to the study of relativistic Vlasov-Maxwell system in three space dimension. For a class of large initial data, we prove the global existence of classical solution with sharp decay estimate. The initial Maxwell field…

偏微分方程分析 · 数学 2021-02-24 Dongyi Wei , Shiwu Yang

A global solvability result of the Cauchy problem of the two-species Vlasov-Maxwell-Landau system near a given global Maxwellian is established by employing an approach different than that of [5]. Compared with that of [5], the minimal…

偏微分方程分析 · 数学 2013-09-26 Yuanjie Lei , Huijiang Zhao

The Cauchy problem for the Vlasov-Maxwell-Boltzmann equations (VMB) is considered. First the renormalized solution to the Vlasov equation with the Lorentz force is discussed and the difficulty on the partial differentiability of the…

偏微分方程分析 · 数学 2011-01-11 Xianpeng Hu , Dehua Wang
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