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In this paper we will show that the solution of 1D stochastic parabolic equation with additive noise converges to a martingale (independent upon space variable) when we rescale noise at the extremum points of the process.

概率论 · 数学 2018-09-05 B. Goldys , M. Neklyudov

The aim of this work is to prove an existence and uniqueness result of Kato-Fujita type for the Navier-Stokes equations, in vorticity form, in $2-D$ and $3-D$, perturbed by a gradient type multiplicative Gaussian noise (for sufficiently…

偏微分方程分析 · 数学 2019-05-08 Ionut Munteanu , Michael Roeckner

Stochastic Navier-Stokes equations in 2D and 3D possibly unbounded domains driven by a multiplicative Gaussian noise are considered. The noise term depends on the unknown velocity and its spatial derivatives. The existence of a martingale…

概率论 · 数学 2017-01-03 Zdzisław Brzeźniak , Elżbieta Motyl

We study generalised Navier--Stokes equations governing the motion of an electro-rheological fluid subject to stochastic perturbation. Stochastic effects are implemented through (i) random initial data, (ii) a forcing term in the momentum…

偏微分方程分析 · 数学 2019-02-19 Dominic Breit , Franz Gmeineder

The existence of martingale solutions for stochastic porous media equations driven by nonlinear multiplicative space-time white noise is established in spatial dimension one. The Stroock-Varopoulos inequality is identified as a key tool in…

概率论 · 数学 2024-09-25 Konstantinos Dareiotis , Máté Gerencsér , Benjamin Gess

We study in this article the stochastic Zakharov-Kuznetsov equation driven by a multiplicative noise. We establish, in space dimensions two and three the global existence of martingale solutions, and in space dimension two the global…

偏微分方程分析 · 数学 2013-07-26 Nathan Glatt-Holtz , Roger Temam , Chuntian Wang

In this paper, we study the global existence of solutions of the Cauchy problem for a class of weakly dissipative nonlinear dispersive wave equations…

偏微分方程分析 · 数学 2026-03-24 Yiyao Lian , Zhenyu Wan , Zhaoyang Yin

Stochastic fractionally dissipative quasi-geostrophic type equation on $R^d$ with a multiplicative Gaussian noise is considered. We prove the existence of a martingale solution. In the 2D sub-critical case we prove also the pathwise…

概率论 · 数学 2017-02-10 Zdzislaw Brzezniak , Elżbieta Motyl

The hydrodynamical model of the collective behavior of animals consists of the Euler equation with additional non-local forcing terms representing the repulsive and attractive forces among individuals. This paper deals with the system…

偏微分方程分析 · 数学 2021-07-01 Pavel Ludvik , Vaclav Macha

We consider stochastic non-linear diffusion equations with a highly singular diffusivity term and multiplicative gradient-type noise. We study existence and uniqueness of non-negative variational solutions in terms of stochastic variational…

概率论 · 数学 2016-06-21 Michael Rockner , Ionut Munteanu

Stochastic Navier--Stokes equations in a thin three-dimensional domain are considered, driven by additive noise. The convergence of martingale solution of the stochastic Navier--Stokes equations in a thin three-dimensional domain to the…

概率论 · 数学 2020-08-18 Zdzisław Brzeźniak , Gaurav Dhariwal , Quoc Thong Le Gia

In this article, we investigate the global existence of martingale suitable weak solutions to stochastic Ericksen-Leslie equations with additive noise in a 3D torus. The notion of suitable weak solutions has been introduced to address…

偏微分方程分析 · 数学 2025-10-16 Hengrong Du , Chuntian Wang

We study constrained 2-dimensional Navier-Stokes Equations driven by a multiplicative Gaussian noise in the Stratonovich form. In the deterministic case [4] we showed the existence of global solutions only on a two dimensional torus and…

偏微分方程分析 · 数学 2018-01-11 Zdzisław Brzeźniak , Gaurav Dhariwal

In this paper, the system of particles coupled with fluid is considered. The particles are described by a Vlasov equation, and the fluid is governed by a forced Navier-Stokes equations. The interaction with fluid phase governed by…

偏微分方程分析 · 数学 2012-11-28 Cheng Yu

Stochastic Hall-magnetohydrodynamics equations on ${\mathbb{R}}^{3}$ with random forces expressed in terms of the time homogeneous Poisson random measures are considered. We prove the existence of a global martingale solution. The…

概率论 · 数学 2022-11-16 Elżbieta Motyl

For a class of evolution equations that possibly have only local solutions, we introduce a stochastic component that ensures that the solutions of the corresponding stochastically perturbed equations are global. The class of partial…

偏微分方程分析 · 数学 2024-03-12 Dan Crisan , Oana Lang

We study well-posedness of viscous nonlinear wave equations (vNLW) on the two-dimensional torus with a stochastic forcing. In particular, we prove pathwise global well-posedness of the stochastic defocusing vNLW with an additive stochastic…

偏微分方程分析 · 数学 2023-04-06 Ruoyuan Liu

This article is concerned with the existence of solution to the stochastic Degasperis-Procesi equation on $\mathbb{R}$ with an infinite dimensional multiplicative noise and integrable initial data. Writing the equation as a system composed…

概率论 · 数学 2024-09-05 Nikolai V. Chemetov , Fernanda Cipriano

The purpose of this paper is to establish the well-posedness of martingale (probabilistic weak) solutions to stochastic degenerate aggregation--diffusion equations arising in biological and public health contexts. The studied equation is of…

概率论 · 数学 2025-10-07 Mostafa Bendahmane , Mohamed Mehdaoui , Mouhcine Tilioua

We establish the existence and uniqueness of strong solutions, in both the PDE and probabilistic sense, for a broad class of nonlinear stochastic partial differential equations (SPDEs) on a bounded domain $\mathscr{O}\subset \mathbb{R}^d$…

偏微分方程分析 · 数学 2025-12-16 Agus L. Soenjaya , Thanh Tran