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Usually, the systems of partial differential equations (PDEs) are discovered from observational data in the single vector equation form. However, this approach restricts the application to the real cases, where, for example, the form of the…

神经与进化计算 · 计算机科学 2021-08-13 Mikhail Maslyaev , Alexander Hvatov

We establish the effective {\em finite dimensionality} of the dynamics corresponding to a flow-plate interaction PDE model arising in aeroelasticity: a nonlinear panel, in the absence of rotational inertia, immersed in an inviscid potential…

偏微分方程分析 · 数学 2020-06-25 Justin T. Webster

We investigate the behavior of dissipative particle dynamics (DPD) with time-correlated random noise. A new stochastic force for DPD is proposed which consists of a random force whose noise has an algebraic correlation proportional to 1/t…

统计力学 · 物理学 2019-01-10 Morgane Borreguero , Marco Ellero , Nikolaus A. Adams

In this paper, we concern a system of stochastic PDE's. Our system consists of two components. Each component evolves according to the sotchastic Allen-Cahn equation with a symmetric double well potential and with addtional small space-time…

概率论 · 数学 2022-03-09 Tran Hoa Phu

We study fully nonlinear second-order (forward) stochastic partial differential equations (SPDEs). They can also be viewed as forward path-dependent PDEs (PPDEs) and will be treated as rough PDEs (RPDEs) under a unified framework. We…

概率论 · 数学 2018-10-02 Rainer Buckdahn , Christian Keller , Jin Ma , Jianfeng Zhang

We give an abstract framework for studying nonautonomous PDEs, called a generalized evolutionary system. In this setting, we define the notion of a pullback attractor. Moreover, we show that the pullback attractor, in the weak sense, must…

偏微分方程分析 · 数学 2014-04-10 Alexey Cheskidov , Landon Kavlie

We compare various concepts of attractor in the context of non-autonomous dynamical systems. Then, we prove an appropriate version of the Pliss reduction principle for non-autonomous differential systems with rapidly oscillating…

动力系统 · 数学 2024-02-01 Russell Johnson , Víctor Muñoz-Villarragut

In this paper, we first prove an abstract theorem on the existence of polynomial attractors and the concrete estimate of their attractive velocity for infinite-dimensional dynamical systems, then apply this theorem to a class of wave…

动力系统 · 数学 2022-05-09 Chunyan Zhao , Chengkui Zhong , Chunxiang Zhao

Ordinary differential equations (ODEs) are foundational in modeling intricate dynamics across a gamut of scientific disciplines. Yet, a possibility to represent a single phenomenon through multiple ODE models, driven by different…

统计方法学 · 统计学 2023-09-01 Itai Dattner , Shota Gugushvili , Oleksandr Laskorunskyi

We establish a notion of universality for the parabolic Anderson model via an invariance principle for a wide family of parabolic stochastic partial differential equations. We then use this invariance principle in order to provide an…

概率论 · 数学 2025-04-16 Davar Khoshnevisan , Kunwoo Kim , Carl Mueller

In this paper, we investigate the existence and finite-time blow-up for the solution of a reaction-diffusion system of semilinear stochastic partial differential equations (SPDEs) subjected to a two-dimensional fractional Brownian motion…

偏微分方程分析 · 数学 2024-05-28 S. Sankar , Manil T. Mohan , S. Karthikeyan

The existence and uniqueness of measure-valued solutions to stochastic nonlinear, non-local Fokker-Planck equations is proven. This type of stochastic PDE is shown to arise in the mean field limit of weakly interacting diffusions with…

概率论 · 数学 2021-03-30 Michele Coghi , Benjamin Gess

We provide a unified analytic approach to study stationary states of controlled differential equations driven by rough paths, using the framework of random dynamical systems and random attractors. Part I deals with driving paths of finite…

概率论 · 数学 2020-07-14 Luu Hoang Duc , Phan Thanh Hong

In this paper, we consider a system of $k$ second order non-linear stochastic partial differential equations with spatial dimension $d \geq 1$, driven by a $q$-dimensional Gaussian noise, which is white in time and with some spatially…

概率论 · 数学 2011-02-17 Eulalia Nualart

We study the well-posedness and asymptotic behaviour of selected PDE-PDE and PDE-ODE systems on one-dimensional spatial domains, namely a boundary coupled wave-heat system and a wave equation with a dynamic boundary condition. We prove…

偏微分方程分析 · 数学 2023-03-01 Lassi Paunonen

In this work, we explore the dynamics of fractional differential equations (FDEs) through a rigorous topological analysis of strange attractors. By investigating systems with Caputo derivatives of order \( \alpha \in (0, 1) \), we identify…

动力系统 · 数学 2024-09-10 Ronald Katende

A succesful method to describe the asymptotic behavior of a discrete time stochastic process governed by some recursive formula is to relate it to the limit sets of a well chosen mean differential equation. Under an attainability condition,…

概率论 · 数学 2011-01-19 Mathieu Faure , Gregory Roth

The influence of small random perturbations on a deterministic dynamical system with a locally stable equilibrium is considered. The perturbed system is described by the It\^{o} stochastic differential equation. It is assumed that the noise…

数学物理 · 物理学 2016-02-18 Oskar Sultanov

It is demonstrated that any statistics can be represented by an attractor of the solution to a corresponding systen of ODE coupled with its Liouville equation. Such a non-Newtonian representation allows one to reduce foundations of…

综合物理 · 物理学 2012-09-04 Michail Zak

The first part of the paper is an introduction to the theory of probabilistic concurrent systems under a partial order semantics. Key definitions and results are given and illustrated on examples. The second part includes contributions. We…

形式语言与自动机理论 · 计算机科学 2023-06-22 Samy Abbes
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