Lagrangian schemes for Wasserstein gradient flows

Jose A. Carrillo, Daniel Matthes, Marie Therese Wolfram

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

11 Scopus citations

Abstract

This chapter reviews different numerical methods for specific examples of Wasserstein gradient flows: we focus on nonlinear Fokker-Planck equations, but also discuss discretizations of the parabolic-elliptic Keller-Segel model and of the fourth order thin film equation. The methods under review are of Lagrangian nature, that is, the numerical approximations trace the characteristics of the underlying transport equation rather than solving the evolution equation for the mass density directly. The two main approaches are based on integrating the equation for the Lagrangian maps on the one hand, and on solution of coupled ODEs for individual mass particles on the other hand.

Original languageEnglish
Title of host publicationGeometric Partial Differential Equations - Part II
EditorsAndrea Bonito, Ricardo H. Nochetto
PublisherElsevier B.V.
Pages271-311
Number of pages41
ISBN (Print)9780444643056
DOIs
StatePublished - Jan 2021

Publication series

NameHandbook of Numerical Analysis
Volume22
ISSN (Print)1570-8659

Keywords

  • Lagrangian discretization
  • Minimizing movement scheme
  • Wasserstein gradient flows

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