• Media type: E-Article; Text
  • Title: Rough nonlocal diffusions
  • Contributor: Nilssen, Torstein [Author]; Coghi, Michele [Author]
  • imprint: Weierstrass Institute for Applied Analysis and Stochastics publication server, 2021
  • Language: English
  • DOI: https://doi.org/10.1016/j.spa.2021.07.002
  • ISSN: 0304-4149
  • Keywords: article ; 35K55 ; 60H15 ; 60H05 ; Rough paths -- stochastic PDEs -- McKean-Vlasov -- non-local equations
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  • Description: We consider a nonlinear Fokker–Planck equation driven by a deterministic rough path which describes the conditional probability of a McKean–Vlasov diffusion with “common” noise. To study the equation we build a self-contained framework of non-linear rough integration theory which we use to study McKean–Vlasov equations perturbed by rough paths. We construct an appropriate notion of solution of the corresponding Fokker–Planck equation and prove well-posedness.