Harnack inequality for kinetic Fokker-Planck equations with rough coefficients and application to the Landau equation

F Golse, C Imbert, C Mouhot, A Vasseur - arXiv preprint arXiv:1607.08068, 2016 - arxiv.org
We extend the De Giorgi--Nash--Moser theory to a class of kinetic Fokker-Planck equations
and deduce new results on the Landau-Coulomb equation. More precisely, we first study the …

The Landau equation with the specular reflection boundary condition

Y Guo, HJ Hwang, JW Jang, Z Ouyang - Archive for Rational Mechanics …, 2020 - Springer
The existence and stability of the Landau equation (1936) in a general bounded domain
with a physical boundary condition is a long-outstanding open problem. This work proves …

Local regularity for the space-homogenous Landau equation with very soft potentials

F Golse, C Imbert, S Ji, AF Vasseur - Journal of Evolution Equations, 2024 - Springer
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 …

The Landau equation does not blow up

N Guillen, L Silvestre - arXiv preprint arXiv:2311.09420, 2023 - arxiv.org
We consider solutions to the space-homogeneous Landau equation with a general family of
interaction potentials. We prove that their Fisher information is monotone decreasing in time …

Partial regularity in time for the space homogeneous Landau equation with Coulomb potential

F Golse, MP Gualdani, C Imbert, A Vasseur - arXiv preprint arXiv …, 2019 - arxiv.org
arXiv:1906.02841v1 [math.AP] 6 Jun 2019 Page 1 arXiv:1906.02841v1 [math.AP] 6 Jun 2019
PARTIAL REGULARITY IN TIME FOR THE SPACE HOMOGENEOUS LANDAU EQUATION …

[HTML][HTML] A particle method for the homogeneous Landau equation

JA Carrillo, J Hu, L Wang, J Wu - Journal of Computational Physics: X, 2020 - Elsevier
We propose a novel deterministic particle method to numerically approximate the Landau
equation for plasmas. Based on a new variational formulation in terms of gradient flows of …

Regularity for the Boltzmann equation conditional to macroscopic bounds

C Imbert, L Silvestre - EMS Surveys in Mathematical Sciences, 2021 - ems.press
The Boltzmann equation is a nonlinear partial differential equation that plays a central role in
statistical mechanics. From the mathematical point of view, the existence of global smooth …

A new monotonicity formula for the spatially homogeneous Landau equation with Coulomb potential and its applications

L Desvillettes, LB He, JC Jiang - J. Eur. Math. Soc, 2023 - ems.press
We describe a time-dependent functional involving the relative entropy and the PH1
seminorm, which decreases along solutions to the spatially homogeneous Landau equation …

Nonlinear Regularization Estimates and Global Well-Posedness for the Landau–Coulomb Equation Near Equilibrium

W Golding, MP Gualdani, A Loher - SIAM Journal on Mathematical Analysis, 2024 - SIAM
We consider the spatially homogeneous Landau equation with Coulomb potential. We show
short time propagation of smallness in norms for and instantaneous regularization in …

opPINN: Physics-informed neural network with operator learning to approximate solutions to the Fokker-Planck-Landau equation

JY Lee, J Jang, HJ Hwang - Journal of Computational Physics, 2023 - Elsevier
We propose a hybrid framework opPINN: physics-informed neural network (PINN) with
operator learning for approximating the solution to the Fokker-Planck-Landau (FPL) …