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We prove, for the relativistic Boltzmann equation in the homogeneous case, on the Minkowski space-time, a global in time existence and uniqueness theorem. The method we develop extends to the cases of some curved space-times such as the…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Norbert Noutchegueme , Mesmin Erick Tetsadjio

We prove a local-in-time existence and uniqueness theorem for a smooth classical solution to the spatially homogeneous Boltzmann equation with cutoff soft potentials. Our proof is based on a series of bilinear estimates for the…

偏微分方程分析 · 数学 2015-10-30 Yong-Kum Cho

In this paper, we consider the Cauchy problem for the relativistic Boltzmann equation with near vacuum initial data where the distribution function depends on the time, the position and the impulsion. The collision kernel considered here is…

广义相对论与量子宇宙学 · 物理学 2016-09-20 Etienne Takou , Fidele L. Ciake Ciake

We investigate the large time behavior of solutions to the spatially homogeneous linear Boltzmann equation from a semigroup viewpoint. Our analysis is performed in some (weighted) $L^{1}$-spaces. We deal with both the cases of hard and soft…

偏微分方程分析 · 数学 2015-10-09 Bertrand Lods , Mustapha Mokhtar-Kharroubi

We study the spatially homogeneous relativistic Boltzmann equation for massless particles in an FLRW background with scattering kernels in a certain range of soft and hard potentials. We obtain the future global existence of small solutions…

偏微分方程分析 · 数学 2021-03-17 Ho Lee

In this paper, we prove some a priori stability estimates (in weighted Sobolev spaces) for the spatially homogeneous Boltzmann equation without angular cutoff (covering every physical collision kernels). These estimates are conditioned to…

偏微分方程分析 · 数学 2016-08-16 Clément Mouhot , Laurent Desvillettes

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

We prove a global in time existence theorem for the initial values problem for the Einstein-Boltzmann system with cosmological constant and arbitrarily large initial data, in the spatially homogeneous case, in a Robertson-Walker space-time.

广义相对论与量子宇宙学 · 物理学 2007-05-23 Etienne Takou , Norbert Noutchegueme

We prove a global in time existence theorem for the initial value problem for the Einstein-Boltzmann system, with positive cosmological constant and arbitrarily large initial data, in the spatially homogeneous case, in a Robertson-Walker…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Etienne Takou , Norbert Noutchegueme

In this paper we study the Boltzmann equation near global Maxwellians in the $d$-dimensional whole space. A unique global-in-time mild solution to the Cauchy problem of the equation is established in a Chemin-Lerner type space with respect…

偏微分方程分析 · 数学 2017-12-06 Renjun Duan , Shota Sakamoto

This paper deals with the long time behavior of solutions to the spatially homogeneous Boltzmann equation. The interactions considered are the so-called (non cut-off and non mollified) hard potentials. We prove an exponential in time…

偏微分方程分析 · 数学 2015-12-22 Isabelle Tristani

We consider the spatially inhomogeneous non-cutoff Boltzmann equation with hard potentials in the non-perturbative setting. For initial data with polynomial decay in the velocity variable, we establish the local-in-time existence and…

偏微分方程分析 · 数学 2026-02-24 Hao-Guang Li , Wei-Xi Li , Chao-Jiang Xu

The unique global strong solution in the Chemin-Lerner type space to the Cauchy problem on the Boltzmann equation for hard potentials is constructed in perturbation framework. Such solution space is of critical regularity with respect to…

偏微分方程分析 · 数学 2013-10-11 Renjun Duan , Shuangqian Liu , Jiang Xu

We prove a global result in time for the initial value problem for the relativistic Boltzmann equation on the flat Robertson-Walker sapace time, in the functional framework appropriate to the coupling with Einstein's equations. We had…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Etienne Takou , Norbert Noutchegueme

Departing from the weak solution, we prove the uniqueness, smoothing estimates and the global dynamics for the non cutoff spatially homogeneous Boltzmann equation with moderate soft potentials. Our results show that the behavior of the…

偏微分方程分析 · 数学 2022-04-05 Ling-Bing He , Jie Ji

In this paper it is shown that unique solutions to the relativistic Boltzmann equation exist for all time and decay with any polynomial rate towards their steady state relativistic Maxwellian provided that the initial data starts out…

偏微分方程分析 · 数学 2011-04-05 Robert M. Strain

In this paper we prove the global in time existence and uniqueness of solutions of the spatially homogeneous Boltzmann equation for Bose-Einstein particles for the hard sphere model for bounded anisotropic initial data. The main idea of our…

偏微分方程分析 · 数学 2017-08-28 Wenyi Li , Xuguang Lu

We study the Cauchy problem for the relativistic Boltzmann equation near relativistic Maxwellians in the whole space. The purpose of this article is to handle hard potentials, and for initial data with finite $L^\infty$ norm, to construct…

偏微分方程分析 · 数学 2018-03-28 Koya Nishimura

We consider the rate of convergence of solutions of spatially inhomogenous Boltzmann equations, with hard sphere potentials, to some equilibriums, called Maxwellians. Maxwellians are spatially homogenous static Maxwell velocity…

偏微分方程分析 · 数学 2019-08-26 Zhou Gang

We prove the existence and uniqueness of global solutions to the Boltzmann equation with non-cutoff soft potentials in the whole space when the initial data is a small perturbation of a Maxwellian with polynomial decay in velocity. Our…

偏微分方程分析 · 数学 2024-02-28 Kleber Carrapatoso , Pierre Gervais
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