Second order fractional mean-field SDEs with singular kernels and measure initial data

Z Hao, M Röckner, X Zhang - arXiv preprint arXiv:2302.04392, 2023 - arxiv.org
In this paper we establish the local and global well-posedness of weak and strong solutions
to second order fractional mean-field SDEs with singular/distribution interaction kernels and …

McKean-Vlasov Stochastic Partial Differential Equations: Existence, Uniqueness and Propagation of Chaos

W Hong, S Li, W Liu - arXiv preprint arXiv:2306.15508, 2023 - arxiv.org
In this paper, we provide a general framework for investigating McKean-Vlasov stochastic
partial differential equations. We first show the existence of weak solutions by combining the …

Rigorous derivation of the degenerate parabolic-elliptic Keller-Segel system from a moderately interacting stochastic particle system. Part I Partial differential equation

L Chen, V Gvozdik, Y Li - Journal of Differential Equations, 2023 - Elsevier
The aim of this paper is to provide the analysis result for the partial differential equations
arising from the rigorous derivation of the degenerate parabolic-elliptic Keller-Segel system …

[HTML][HTML] Indirect Detection of Degradation-Resistant Compounds on Groundwaters Forward-Facing to Current Global Consumerism and Climate Change

NC Mariano, LR Saul, MS Patricia, MM Jorge, LC Omar… - Sustainability, 2024 - mdpi.com
This study addresses the environmental challenges posed by consumerism, evaluating the
impact of Degradation-Resistant Organic Compounds (DROCs), such as fats and oils, on …

Optimal Regularity in Time and Space for Nonlocal Porous Medium Type Equations

B Gess, J Sauer - arXiv preprint arXiv:2311.06225, 2023 - arxiv.org
A broad class of possibly non-unique generalized kinetic solutions to hyperbolic-parabolic
PDEs is introduced. Optimal regularity estimates in time and space for such solutions to …

Error Estimation in the Mean-Field Limit of Kinetic Flocking Models with Local Alignments

J Wang, K Li, H Huang - arXiv preprint arXiv:2404.13644, 2024 - arxiv.org
In this paper, we present an innovative particle system characterized by moderate
interactions, designed to accurately approximate kinetic flocking models that incorporate …

Rigorous derivations of diffusion systems from moderately interacting particle models

A Holzinger - 2023 - repositum.tuwien.at
This thesis is concerned with the derivation of certain types of nonlinear partial differential
equations from stochastic interacting particle systems. The underlying methods are within …

Finite Element Approximation of the Fractional Porous Medium Equation

JA Carrillo, S Fronzoni, E Süli - arXiv preprint arXiv:2404.18901, 2024 - arxiv.org
We construct a finite element method for the numerical solution of a fractional porous
medium equation on a bounded open Lipschitz polytopal domain $\Omega\subset\mathbb …

The rigorous derivation of Vlasov equations with local alignments from moderately interacting particle systems

J Wang, M Zhuang, H Huang - arXiv preprint arXiv:2407.04387, 2024 - arxiv.org
In this paper, we present a rigorous derivation of the mean-field limit for a moderately
interacting particle system in $\R^ d $$(d\geq 2) $. For stochastic initial data, we …

Quantitative particle approximation of nonlinear stochastic Fokker-Planck equations with singular kernel

J Knorst, C Olivera, AB de Souza - arXiv preprint arXiv:2412.05950, 2024 - arxiv.org
We derive quantitative estimates for large stochastic systems of interacting particles
perturbed by both idiosyncratic and environmental noises, as well as singular kernels. We …