Discrete hypocoercivity for a nonlinear kinetic reaction model

M Bessemoulin-Chatard, T Laidin… - IMA Journal of Numerical …, 2024 - academic.oup.com
In this article we propose a finite-volume discretization of a one-dimensional nonlinear
reaction kinetic model proposed in, which describes a two-species recombination …

A convergent finite-volume scheme for nonlocal cross-diffusion systems for multi-species populations

A Jüngel, S Portisch, A Zurek - ESAIM: Mathematical Modelling …, 2024 - esaim-m2an.org
An implicit Euler finite-volume scheme for a nonlocal cross-diffusion system on the one-
dimensional torus, arising in population dynamics, is proposed and analyzed. The kernels …

Adaptive Deep Density Approximation for Fractional Fokker–Planck Equations

L Zeng, X Wan, T Zhou - Journal of Scientific Computing, 2023 - Springer
In this work, we propose adaptive deep learning approaches based on normalizing flows for
solving fractional Fokker–Planck equations (FPEs). The solution of a FPE is a probability …

Adaptive deep density approximation for fractional Fokker-Planck equations

L Zeng, X Wan, T Zhou - arXiv preprint arXiv:2210.14402, 2022 - arxiv.org
In this work, we propose adaptive deep learning approaches based on normalizing flows for
solving fractional Fokker-Planck equations (FPEs). The solution of a FPE is a probability …

Structure-preserving scheme for fractional nonlinear diffusion equations

H Hivert, F Salin - arXiv preprint arXiv:2409.18629, 2024 - arxiv.org
In this paper, we introduce and analyze a numerical scheme for solving the Cauchy-Dirichlet
problem associated with fractional nonlinear diffusion equations. These equations …

Analysis of nonlocal cross-diffusion and nonlinear drift-diffusion systems using entropy methods

S Portisch - 2024 - repositum.tuwien.at
Systems including cross-diffusion, ie the process where the flux of one component or
speciesis induced by the gradient of another component or species, have received …

Équations d'agrégation-diffusion: asymptotiques et approximations

ST Tien - 2023 - theses.hal.science
Dans cette thèse nous étudions les équations d'agrégation-diffusion, qui apparaissent dans
la modélisation de mouvement collectifs. Nous nous intéressons aux solutions mesures de …

Hypocoercivité, régularité et limites hydrodynamiques de quelques équations cinétiques

I Tristani - 2024 - hal.science
The works presented in this memoir are about various equations of kinetic theory
(Boltzmann, Landau, Fokker-Planck) and are structured around two main axes:-develop a …

Méthodes numériques hybrides cinétique/fluide et préservant la structure pour des équations cinétiques collisionnelles

T Laidin - 2024 - theses.hal.science
Cette thèse porte sur le développement et l'analyse de méthodes numériques performantes
pour l'approximation des solutions d'équations cinétiques collisionnelles éventuellement …