Stochastic feedback, nonlinear families of Markov processes, and nonlinear Fokker–Planck equations

T.D. Frank

Physica A: Statistical Mechanics and its Applications, 2004, vol. 331, issue 3, 391-408

Abstract: We discuss two fundamental aspects of Fokker–Planck equations that are nonlinear with respect to probability densities. First, we show that evolution equations of this kind describe processes involving stochastic feedback and interpret stochastic feedback processes in terms of hitchhiker processes and path integral solutions. Second, we demonstrate that nonlinear Fokker–Planck equations can be interpreted as linear Fokker–Planck equations describing nonlinear families of Markov diffusion processes. We exploit this finding in order to derive complete hierarchies of probability densities from nonlinear Fokker–Planck equations.

Keywords: Stochastic feedback; Linear and nonlinear families of Markov processes; Nonlinear Fokker–Planck equations (search for similar items in EconPapers)
Date: 2004
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:331:y:2004:i:3:p:391-408

DOI: 10.1016/j.physa.2003.09.056

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