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In the paper, we develop an $L^1_k\cap L^p_k$ approach to construct global solutions to the Cauchy problem on the non-cutoff Boltzmann equation near equilibrium in $\mathbb{R}^3$. In particular, only smallness of…

偏微分方程分析 · 数学 2022-09-23 Renjun Duan , Shota Sakamoto , Yoshihiro Ueda

As a continuation of our series works on the Boltzmann equation without angular cutoff assumption, in this part, the global existence of solution to the Cauchy problem in the whole space is proved in some suitable weighted Sobolev spaces…

偏微分方程分析 · 数学 2010-10-28 Radjesvarane Alexandre , Y. Morimoto , Seiji Ukai , Chao-Jiang Xu , Tong Yang

In this paper we study the large-time behavior of perturbative classical solutions to the hard and soft potential Boltzmann equation without the angular cut-off assumption in the whole space $\threed_x$ with $\DgE$. We use the existence…

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

This article studies the Cauchy problem for the Boltzmann equation with stochastic kinetic transport. Under a cut-off assumption on the collision kernel and a coloring hypothesis for the noise coefficients, we prove the global existence of…

概率论 · 数学 2018-03-01 Samuel Punshon-Smith , Scott Smith

We prove global existence of smooth solutions near Maxwellians for the non-cutoff Vlasov-Poisson-Boltzmann system in the weakly collisional regime. To address the weak dissipation of the non-cutoff linearized Boltzmann operator, we develop…

偏微分方程分析 · 数学 2025-10-07 Yuanjie Lei , Shuangqian Liu , Qinghua Xiao , Huijiang Zhao

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…

偏微分方程分析 · 数学 2022-05-20 Luis Silvestre , Stanley Snelson

In this paper, we are interested in the Cauchy problem for the Boltzmann-BGK model for a general class of collision frequencies. We prove that the Boltzmann-BGK model linearized around a global Maxwellian admits a unique global smooth…

偏微分方程分析 · 数学 2015-05-20 Seok-Bae Yun

Maxwell models for nonlinear kinetic equations have many applications in physics, dynamics of granular gases, economy, etc. In the present manuscript we consider such models from a very general point of view, including those with arbitrary…

数学物理 · 物理学 2007-05-23 A. V. Bobylev , C. Cercignani , I. M. Gamba

We consider the Cauchy problem for the isentropic compressible Euler-Maxwell equations under general pressure laws in a three-dimensional periodic domain. For any smooth initial electron density away from the vacuum and smooth…

偏微分方程分析 · 数学 2023-05-23 Shunkai Mao , Peng Qu

The Cauchy problem to the Fokker-Planck-Boltzmann equation under Grad's angular cut-off assumption is investigated. When the initial data is a small perturbation of an equilibrium state, global existence and optimal temporal decay estimates…

偏微分方程分析 · 数学 2013-06-14 Linjie Xiong , Tao Wang , Lusheng Wang

Inspired by DiPerna-Lions' work \cite{Diperna-Lions}, we study the renormalized solutions to the large-data Cauchy problem of the Boltzmann systems modeling mixture gases of monatomic and polyatomic species, in which the distribution…

偏微分方程分析 · 数学 2026-01-13 Yi-Long Luo , Jing-Xin Nie

We study the Cauchy problem for a system of semi-linear coupled fractional-diffusion equations with polynomial nonlinearities posed in $% \mathbb{R}_{+}\times \mathbb{R}^{N}$. Under appropriate conditions on the exponents and the orders of…

偏微分方程分析 · 数学 2020-09-22 A. Bashir , A. Alsaedi , M. Berbiche , M Kirane

This paper studies the Cauchy problem for systems of semi-linear wave equations on $\mathbb{R}^{3+1}$ with nonlinear terms satisfying the null conditions. We construct future global-in-time classical solutions with arbitrarily large initial…

偏微分方程分析 · 数学 2015-12-31 Shuang Miao , Long Pei , Pin Yu

We consider the non-cutoff Boltzmann equation in the spatially inhomogeneous, soft potentials regime, and establish decay estimates for large velocity. In particular, we prove that pointwise algebraically decaying upper bounds in the…

偏微分方程分析 · 数学 2023-11-07 Christopher Henderson , Stanley Snelson , Andrei Tarfulea

In this paper, we investigate the problems of Cauchy theory and exponential stability for the inhomogeneous Boltzmann equation without angular cut-off. We only deal with the physical case of hard potentials type interactions (with a…

偏微分方程分析 · 数学 2020-12-07 Frédéric Hérau , Daniela Tonon , Isabelle Tristani

In this paper, the finite time blow-up of smooth solutions to the Cauchy problem for full Euler-Poisson equations and isentropic Euler-Poisson equations with repulsive forces or attractive forces in high dimensions $(n\geq3)$ is proved for…

偏微分方程分析 · 数学 2013-10-29 Yuexun Wang

We shall be concerned with the Cauchy problem for quasilinear systems in three space dimensions of the form \label{i.1} \partial^2_tu^I-c^2_I\Delta u^I = C^{IJK}_{abc}\partial_c u^J\partial_a\partial_b u^K + B^{IJK}_{ab}\partial_a…

偏微分方程分析 · 数学 2007-05-23 Christopher D. Sogge

This work is concerned with the generation of decay estimates in the velocity variable for solutions of the space-inhomogeneous Boltzmann equation without cutoff on a bounded spatial domain for hard and moderately soft potentials. We work…

偏微分方程分析 · 数学 2026-04-28 Cyril Imbert , Amélie Loher

In this paper, we rigorously justify the incompressible Euler limit of the Boltzmann equation with general Maxwell reflection boundary condition in the half-space. The accommodation coefficient $\alpha \in (0,1]$ is assumed to be $O(1)$.…

偏微分方程分析 · 数学 2025-06-24 Ning Jiang , Chao Wang , Yulong Wu , Zhifei Zhang

In this paper, we study the Cauchy problem of the compressible Euler system with strongly singular velocity alignment. We prove the existence and uniqueness of global solutions in critical Besov spaces to the considered system with small…

偏微分方程分析 · 数学 2022-07-07 Xiang Bai , Qianyun Miao , Changhui Tan , Liutang Xue