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We prove the well-posedness for the non-cutoff Boltzmann equation with soft potentials when the initial datum is close to the {\it global Maxwellian} and has only polynomial decay at the large velocities in $L^2$ space. As a result, we get…

Analysis of PDEs · Mathematics 2022-04-05 Chuqi Cao , Ling-Bing He , Jie Ji

We consider the three-dimensional relativistic Vlasov-Maxwell-Boltzmann system, where the speed of light $c$ is an arbitrary constant no less than 1, and we establish global existence and nonlinear stability of the vacuum for small initial…

Analysis of PDEs · Mathematics 2026-02-06 Chuqi Cao , Xingyu Li

In the present paper, we prove time decay estimates of solutions in weighted Sobolev spaces to the second order evolution equation with fractional Laplacian and damping for data in Besov spaces. Our estimates generalize the estimates…

Analysis of PDEs · Mathematics 2020-03-23 Kazumasa Fujiwara , Masahiro Ikeda , Yuta Wakasugi

This paper studies a space-inhomogeneous Boltzmann-Nordheim equation with pseudo-Maxwellian forces. Strong solutions are obtained for the Cauchy problem in a setting with large bounded L1 initial data. The main results are existence,…

Mathematical Physics · Physics 2016-11-23 Leif Arkeryd , Anne Nouri

We consider the $n$-dimensional space homogeneous Boltzmann equation for elastic collisions for variable hard potentials with Grad (angular) cutoff. We prove sharp moment inequalities, the propagation of $L^1$-Maxwellian weighted estimates,…

Analysis of PDEs · Mathematics 2007-10-30 Ricardo J. Alonso , Irene M. Gamba

In this paper, we describe the long-time behavior of the non-cutoff Boltzmann equation with soft potentials near a global Maxwellian background on the whole space in the weakly collisional limit (i.e. infinite Knudsen number $1/\nu\to…

Analysis of PDEs · Mathematics 2022-11-10 Jacob Bedrossian , Michele Coti Zelati , Michele Dolce

We consider the 3D Boltzmann equation for the Maxwellian particle and soft potential with an angular cutoff. We prove sharp global well-posedness with initial data small in the scaling-critical space. The solution also remains in $L^{1}$ if…

Analysis of PDEs · Mathematics 2023-11-06 Xuwen Chen , Shunlin Shen , Zhifei Zhang

We prove the unique existence and exponential decay of global in time classical solutions to the special relativistic Boltzmann equation without any angular cut-off assumptions with initial perturbations in some weighted Sobolev spaces. We…

Analysis of PDEs · Mathematics 2021-02-19 Jin Woo Jang

The purpose of this paper is to show how the combination of the well-known results for convergence to equilibrium and conditional regularity, in addition to a short-time existence result, lead to a quick proof of the existence of global…

Analysis of PDEs · Mathematics 2022-05-20 Luis Silvestre , Stanley Snelson

In this paper we are concerned with the global well-posedness of solutions to magnetohydrodynamics (MHD) boundary layer equations in analytic function spaces. When the initial data is a small perturbation around a selected profile, and such…

Analysis of PDEs · Mathematics 2021-03-17 Shengxin Li , Feng Xie

In this work we prove global stability for the Boltzmann equation (1872) with the physical collision kernels derived by Maxwell in 1866 for the full range of inverse power intermolecular potentials, $r^{-(p-1)}$ with $p>2$. This completes…

Analysis of PDEs · Mathematics 2015-05-18 Philip T. Gressman , Robert M. Strain

In this paper we consider a semiclassical version of the wave equations with singular H\"{o}lder time-dependent propagation speeds on the lattice $\hbar\mathbb{Z}^{n}$. We allow the propagation speed to vanish leading to the weakly…

Analysis of PDEs · Mathematics 2021-05-25 Aparajita Dasgupta , Michael Ruzhansky , Abhilash Tushir

In this work, we investigate the propagation of electromagnetic waves in the Cole-Cole dispersive medium by using the discontinuous Galerkin (DG) method to solve the coupled time-domain Maxwell's equations and polarization equation. We…

Numerical Analysis · Mathematics 2022-08-25 Jiangming Xie , Maojun Li , Miao-Jung Yvonne Ou

We show that solutions to a large class of inviscid equations, in Eulerian variables, extend as holomorphic functions of time, with values in a Gevrey class (thus space-analytic), and are solutions of complexified versions of the said…

Analysis of PDEs · Mathematics 2017-12-08 Animikh Biswas , Joshua Hudson

We construct global-in-time classical solutions to the nonlinear Vlasov-Maxwell system in a three-dimensional half-space beyond the vacuum scattering regime. Our approach combines the construction of stationary solutions to the associated…

Analysis of PDEs · Mathematics 2025-10-07 Jin Woo Jang , Chanwoo Kim

In this paper, we investigate the stability of Boltzmann equation with large external potential in $\mathbb{T}^3$. For a class of initial data with large oscillations in $L^\infty_{x,v}$ around the local Maxwellian, we prove the existence…

Analysis of PDEs · Mathematics 2018-11-16 Guanfa Wang , Yong Wang

This paper is concerned with the well-posedness analysis of the Hartree-Fock system modeling the time evolution of a quantum system comprised of fermions. We consider quantum states with finite mass and finite kinetic energy, and the…

Mathematical Physics · Physics 2007-05-23 A. Arnold , R. Bosi , S. Jeschke , E. Zorn

We address the Mach limit problem for the Euler equations in an exterior domain with analytic boundary. We first prove the existence of tangential analytic vector fields for the exterior domain with constant analyticity radii, and introduce…

Analysis of PDEs · Mathematics 2021-06-01 Juhi Jang , Igor Kukavica , Linfeng Li

In this work we consider the classical non-linear Boltzmann equation, where the unknown is the distribution function $f$, which depends on the time $t$, the vector $\mathbf{x}$ (the position of a molecule) and its velocity $\mathbf{\xi}$.…

Mathematical Physics · Physics 2017-11-29 Armando Majorana

We study Neumann type boundary value problems for nonlocal equations related to L\'evy processes. Since these equations are nonlocal, Neumann type problems can be obtained in many ways, depending on the kind of reflection we impose on the…

Analysis of PDEs · Mathematics 2011-12-05 Guy Barles , Emmanuel Chasseigne , Christine Georgelin , Espen Jakobsen