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This paper deals with the derivation of some \'a priori estimates for the homogeneous Landau equation with soft potentials. Using the coercivity of the Landau operator for soft potentials, we prove a global estimate of weak solutions in…

Analysis of PDEs · Mathematics 2013-04-02 Radjesvarane Alexandre , Jie Liao , Chunjin Lin

We establish a priori upper bounds for solutions to the spatially inhomogeneous Landau equation in the case of moderately soft potentials, with arbitrary initial data, under the assumption that mass, energy and entropy densities stay under…

Analysis of PDEs · Mathematics 2017-01-31 Stephen Cameron , Luis Silvestre , Stanley Snelson

We consider the spatially inhomogeneous Landau equation with hard potentials (i.e. with $\gamma \in [0,1]$) on the whole space $\mathbb{R}^3$. We prove existence and uniquenss of solutions for a small time, assuming that the initial data is…

Analysis of PDEs · Mathematics 2019-10-28 Sanchit Chaturvedi

We consider the spatially homogeneous Landau equation of kinetic theory, and provide a differential inequality for the Wasserstein distance with quadratic cost between two solutions. We deduce some well-posedness results. The main…

Probability · Mathematics 2008-12-18 Hélène Guerin , Nicolas Fournier

We consider weak solutions of the spatially inhomogeneous Landau equation with hard potentials ($\gamma \in (0,1]$), under the assumption that mass, energy, and entropy densities are under control. In this regime, with arbitrary initial…

Analysis of PDEs · Mathematics 2020-01-30 Stanley Snelson

We consider the spatially inhomogeneous Landau equation with Maxwellian and hard potentials (i.e with $\gamma\in[0,1)$) on the whole space $\mathbb{R}^3$. We prove that if the initial data $f_{\text{in}}$ are close to the vacuum solution…

Analysis of PDEs · Mathematics 2023-02-22 Sanchit Chaturvedi

We consider the Cauchy problem for the spatially inhomogeneous Landau equation with soft potentials in the case of large (i.e. non-perturbative) initial data. We construct a solution for any bounded, measurable initial data with uniform…

Analysis of PDEs · Mathematics 2019-09-16 Christopher Henderson , Stanley Snelson , Andrei Tarfulea

We consider the spatially inhomogeneous Landau equation with initial data that is bounded by a Gaussian in the velocity variable. In the case of moderately soft potentials, we show that weak solutions immediately become smooth and remain…

Analysis of PDEs · Mathematics 2019-11-06 Christopher Henderson , Stanley Snelson

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…

Analysis of PDEs · Mathematics 2022-10-05 Chao-Jiang Xu , Yan Xu

We investigate in this work the rate of convergence to equilibrium of solutions to the spatially homogeneous Landau equation with soft potentials. Firstly, we prove a polynomial in time convergence using an entropy method with some new a…

Analysis of PDEs · Mathematics 2015-03-25 Kleber Carrapatoso

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…

Analysis of PDEs · Mathematics 2025-03-04 Xiao-Dong Cao , Chao-Jiang Xu , Yan Xu

This paper deals with the space-homogenous Landau equation with very soft potentials, including the Coulomb case. This nonlinear equation is of parabolic type with diffusion matrix given by the convolution product of the solution with the…

Analysis of PDEs · Mathematics 2024-01-24 François Golse , Cyril Imbert , Sehyun Ji , Alexis F. Vasseur

We consider the homogeneous Landau equation with Coulomb potential and general initial data $f_{in} \in L^p$, where $p$ is arbitrarily close to $3/2$. We show the local-in-time existence and uniqueness of smooth solutions for such initial…

Analysis of PDEs · Mathematics 2024-01-03 William Golding , Amélie Loher

In this manuscript we consider an isotropic modification for the Landau equation with Coulomb potential in three space dimensions. Global in time existence of weak solutions for even initial data is shown by employing a time…

Analysis of PDEs · Mathematics 2017-08-08 Maria Gualdani , Nicola Zamponi

This paper deals with the long time behaviour of solutions to the spatially homogeneous Landau equation with hard potentials . We prove an exponential in time convergence towards the equilibrium with the optimal rate given by the spectral…

Analysis of PDEs · Mathematics 2014-11-21 Kleber Carrapatoso

This document presents an elementary approach using $\varepsilon$-Poincar\'e inequality to prove generation of $L^{p}$-bounds, $p\in(1,\infty)$, for the homogeneous Landau equation with moderate soft potentials $\gamma\in[-2,0)$. The…

Analysis of PDEs · Mathematics 2023-08-09 R. J. Alonso , V. Bagland , B. Lods

Consider the spatially inhomogeneous Landau equation with moderately soft potentials (i.e. with $\gamma \in (-2,0)$) on the whole space $\mathbb R^3$. We prove that if the initial data $f_{\mathrm{in}}$ are close to the vacuum solution…

Analysis of PDEs · Mathematics 2022-06-22 Jonathan Luk

We establish the well-posedness and some quantitative stability of the spatially homogeneous Landau equation for hard potentials, using some specific Monge-Kantorovich cost, assuming only that the initial condition is a probability measure…

Analysis of PDEs · Mathematics 2021-01-27 Nicolas Fournier , Daniel Heydecker

We consider the Landau equation with Coulomb potential in the spatially homogeneous case. We show short time propagation of smallness in $L^p$ norms for $p>3/2$ and instantaneous regularization in Sobolev spaces. This yields new short time…

Analysis of PDEs · Mathematics 2024-03-27 William Golding , Maria Gualdani , Amélie Loher

In this paper, we consider the spatially homogeneous Landau equation, which is a variation of the Boltzmann equation in the grazing collision limit. For the Landau equation for hard potentials in the style of Desvillettes-Villani (Comm.…

Analysis of PDEs · Mathematics 2025-01-27 Jin Woo Jang , Junha Kim
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