Abstract:Summary. The purpose of the present note consists of first showing a uniqueness result for a stochastic Fokker-Planck equation under very general assumptions. In particular, the second order coefficients may be just measurable and degenerate.We also provide a proof for uniqueness of a stochastic porous media equation in a fairly large space.
“…in the sense of (2.2) with u(t, x)dx dt replaced by v(t, x)dx dt. This was, however, achieved in certain cases (see [6], [7] and also [16]). As explained in the introduction of this paper, we look at generalized (= entropic) solutions for a special case of (2.1).…”
Section: Probabilistic Representation Of Solutions To Nfpementioning
confidence: 99%
“…in the sense of (2.2) with u(t, x)dx dt replaced by v(t, x)dx dt. This was, however, achieved in certain cases (see [6], [7] and also [16]).…”
Section: Probabilistic Representation Of Solutions To Nfpementioning
One obtains a probabilistic representation for the entropic generalized solutions to a nonlinear Fokker-Planck equation in R d with multivalued nonlinear diffusion term as density probabilities of solutions to a nonlinear stochastic differential equation. The case of a nonlinear Fokker-Planck equation with linear space dependent drift is also studied.
“…in the sense of (2.2) with u(t, x)dx dt replaced by v(t, x)dx dt. This was, however, achieved in certain cases (see [6], [7] and also [16]). As explained in the introduction of this paper, we look at generalized (= entropic) solutions for a special case of (2.1).…”
Section: Probabilistic Representation Of Solutions To Nfpementioning
confidence: 99%
“…in the sense of (2.2) with u(t, x)dx dt replaced by v(t, x)dx dt. This was, however, achieved in certain cases (see [6], [7] and also [16]).…”
Section: Probabilistic Representation Of Solutions To Nfpementioning
One obtains a probabilistic representation for the entropic generalized solutions to a nonlinear Fokker-Planck equation in R d with multivalued nonlinear diffusion term as density probabilities of solutions to a nonlinear stochastic differential equation. The case of a nonlinear Fokker-Planck equation with linear space dependent drift is also studied.
“…ψ : R → R is Lipschitz and that the functions belong to W 1,∞ . The proof of Theorem B.1 is a consequence of the result stated in Theorem B.1 of [24], see also [7].…”
Section: B Uniqueness For the Porous Media Equation With Noisementioning
confidence: 83%
“…The proof makes use of the similar arguments as in Theorem 3.8 of [14] or Theorem 3.1 in [10], in a randomized form. The full proof is given in [24] Theorem 4.2, see also [7].…”
Section: On the Uniqueness Of A Fokker-planck Type Spdementioning
Summary:The purpose of the present paper consists in proposing and discussing a doubly probabilistic representation for a stochastic porous media equation in the whole space R 1 perturbed by a multiplicative colored noise. For almost all random realizations ω, one associates a stochastic differential equation in law with random coefficients, driven by an independent Brownian motion.
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