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相关论文: Analytic smoothing effect for a model of Kolmogoro…

200 篇论文

We study the Cauchy problem of the Kolmogorov-Fokker-Planck equations and show that the solution enjoys an analytic smoothing effect with L2 initial datum for positive time.

偏微分方程分析 · 数学 2023-09-22 Xiao-Dong Cao , Chao-Jiang Xu , Yan Xu

In this paper, we study a class of strongly degenerate ultraparabolic equations with analytic coefficients. We demonstrate that the Cauchy problem exhibits an analytic smoothing effect. This means that, with an initial datum belonging to…

偏微分方程分析 · 数学 2024-06-14 Xiao-Dong Cao , Chao-Jiang Xu

Inthispaper,westudytheCauchyproblemoftheinhomogeneous Landau equation with hard potentials under the perturbation framework to global equilibrium. We prove that the solution to the Cauchy problem enjoys the analytic Gelfand-Shilov…

偏微分方程分析 · 数学 2023-11-06 Chao-Jiang Xu , Yan Xu

In this paper, we study the smoothness effect of Cauchy problem for the spatially homogeneous Landau equation in the hard potential case and the Maxwellian molecules case. We obtain the analytic smoothing effect for the solutions under…

偏微分方程分析 · 数学 2009-10-16 Hua Chen , Wei-Xi Li , Chao-Jiang Xu

In this work, we study the Cauchy problem of the spatially homogeneous Landau equation with hard potentials in a close-to-quilibrium framework. We prove that the solution to the Cauchy problem enjoys the analytic regularizing effect of the…

偏微分方程分析 · 数学 2022-06-07 Chao-Jiang Xu , Yan Xu

In this work, we study the linear Landau equation with soft potential and show that the solution to the Cauchy problem with initial datum in $L^{2}(\mathbb{R}^3)$ enjoys an analytic regularizing effect, and the evolution of analytic radius…

偏微分方程分析 · 数学 2022-05-17 Hao-Guang Li , Chao-Jiang Xu

In this work, we study the nonlinear spatially homogeneous Landau equation with hard potential in a close-to-equilibrium framework, we show that the solution to the Cauchy problem with $L^2$ initial datum enjoys a analytic Gelfand-Shilov…

偏微分方程分析 · 数学 2022-05-24 Hao-Guang Li , Chao-Jiang Xu

In this note, we study the Cauchy problem of the linear spatially homogeneous Landau equation with soft potentials. We prove that the solution to the Cauchy problem enjoys the analytic regularizing effect of the time variable with an L2…

偏微分方程分析 · 数学 2022-10-05 Chao-Jiang Xu , Yan Xu

We study the Cauchy problem of the fractional Kramers-Fokker- Planck equation and show that the solution to the Cauchy problem enjoys an analytic Gelfand-Shilov regularizing effect for positive time.

偏微分方程分析 · 数学 2023-05-16 Chao-Jiang Xu , Yan Xu

In this paper, we consider a class of spatially homogeneous Boltzmann equation without angular cutoff. We prove that any radial symmetric weak solution of the Cauchy problem become analytic for positive time.

偏微分方程分析 · 数学 2012-06-06 Léo Glangetas , Mohamed Najeme

We consider the Cauchy problem of the nonlinear Landau equation of Maxwellian molecules, under the perturbation frame work to global equilibrium. We show that if $H^r_x(L^2_v), r >3/2$ norm of the initial perturbation is small enough, then…

偏微分方程分析 · 数学 2019-10-31 Yoshinori Morimoto , Chao-Jiang Xu

It is well known that the Prandtl boundary layer equation is instable, and the well-posedness in Sobolev space for the Cauchy problem is an open problem. Recently, under the Oleinik's monotonicity assumption for the initial datum, [1] have…

偏微分方程分析 · 数学 2015-05-28 Weixi Li , Di Wu , Chao-Jiang Xu

The smoothing effect of the Cauchy problem for a class of kinetic equations is studied. We firstly consider the spatially homogeneous non linear Landau equation with Maxwellian molecules and inhomogeneous linear Fokker-Planck equation to…

偏微分方程分析 · 数学 2009-11-21 Yoshinori Morimoto , Chao-Jiang Xu

In this paper, we study the analytical smoothing effect of Cauchy problem for the incompressible Boussinesq equations. Precisely, we use the Fourier method to prove that the Sobolev H 1-solution to the incompressible Boussinesq equations in…

偏微分方程分析 · 数学 2017-02-23 F Cheng , C. -J Xu

This paper investigates the Cauchy problem of the spatially homogeneous Landau equation with soft potential under the perturbation framework to global equilibrium. We prove that the solution to the Cauchy problem exhibits analyticity in the…

偏微分方程分析 · 数学 2025-03-04 Xiao-Dong Cao , Chao-Jiang Xu , Yan Xu

In this work, we study the nonlinear spatially homogeneous Lan-dau equation with Maxwellian molecules, by using the spectral analysis, we show that the non linear Landau operators is almost linear, and we prove the existence of weak…

偏微分方程分析 · 数学 2017-08-23 Hao-Guang Li , Chao-Jiang Xu

In this paper, we study the Cauchy problem for radially symmetric homogeneous non-cutoff Boltzmann equation with Maxwellian molecules, the initial datum belongs to Shubin space of the negative index which can be characterized by spectral…

偏微分方程分析 · 数学 2017-02-23 Hao-Guang Li , Chao-Jiang Xu

We study that a solution of the initial value problem associated for the coupled system of equations of Korteweg - de Vries type which appears as a model to describe the strong interaction of weakly nonlinear long waves, has analyticity in…

偏微分方程分析 · 数学 2013-10-30 Mauricio Sepulveda , Octavio Vera

In this work, we prove the existence, uniqueness and smoothing properties of the solution to the Cauchy problem for the spatially homogeneous Boltzmann equation with Debye-Yukawa potential for probability measure initial datum.

偏微分方程分析 · 数学 2016-10-13 Hao-Guang Li

In this paper, we study the Cauchy problem for the linear spatially homogeneous Boltzamnn equation with Debye-Yukawa potential. Using the spectral decomposition of the linear operator, we prove that, for an initial datum in the sense of…

偏微分方程分析 · 数学 2015-12-22 Léo Glangetas , Hao-Guang Li
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