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In this work, we carry out the asymptotic analysis of the two dimensional convective Brinkman-Forchheimer (CBF) equations, which characterize the motion of incompressible fluid flows in a saturated porous medium. We establish the existence…

偏微分方程分析 · 数学 2020-12-01 Manil T. Mohan

In recent times the Douglas-Rachford algorithm has been observed empirically to solve a variety of nonconvex feasibility problems including those of a combinatorial nature. For many of these problems current theory is not sufficient to…

最优化与控制 · 数学 2017-07-24 Francisco J. Aragón Artacho , Jonathan M. Borwein , Matthew K. Tam

This paper studies the one dimensional Navier-Stokes-Fourier-Korteweg system of equations describing the evolution of a heat-conducting compressible fluid that exhibits viscosity and capillarity. The main goal of the present analysis is to…

偏微分方程分析 · 数学 2023-08-01 Ramón G. Plaza , José M. Valdovinos

We consider a class of semilinear parabolic evolution equations subject to a hysteresis operator and a Bochner-Lebesgue integrable source term. The underlying spatial domain is allowed to have a very general boundary. In the first part of…

偏微分方程分析 · 数学 2017-01-10 Christian Münch

We develop the long-time analysis for gradient flow equations in metric spaces. In particular, we consider two notions of solutions for metric gradient flows, namely energy and generalized solutions. While the former concept coincides with…

偏微分方程分析 · 数学 2009-11-10 Riccarda Rossi , Antonio Segatti , Ulisse Stefanelli

We consider the Dirichlet problem for a compressible two-fluid model in three dimensions, and obtain the global existence of weak solution with large initial data and independent adiabatic constants \Gamma,\gamma>=9/5. The pressure…

偏微分方程分析 · 数学 2021-07-27 Huanyao Wen

We investigate the long term behavior in terms of finite dimensional global and exponential attractors, as time goes to infinity, of solutions to a semilinear reaction-diffusion equation on non-smooth domains subject to nonlocal Robin…

动力系统 · 数学 2016-07-20 Ciprian G. Gal , Mahamadi Warma

We study the global existence and uniform-in-time bounds of classical solutions in all dimensions to reaction-diffusion systems dissipating mass. By utilizing the duality method and the regularization of the heat operator, we show that if…

偏微分方程分析 · 数学 2019-05-28 Brian P. Cupps , Jeff Morgan , Bao Quoc Tang

In recent years, the global existence of classical solutions to the Cauchy problem for 2D incompressible viscous MHD equations without magnetic diffusion has been proved in \cite{Ren,TZhang}, under the assumption that initial data is close…

偏微分方程分析 · 数学 2025-05-22 Shijin Ding , Ronghua Pan , Yi Zhu

The aim of this paper is to prove the existence and qualitative property of random attractors for a stochastic nonlocal delayed reaction-diffusion equation (SNDRDE) on a semi-infinite interval with a Dirichlet boundary condition on the…

动力系统 · 数学 2023-02-14 Wenjie Hu , Quanxin Zhu , Tomás Caraballo

In this paper, the existence, uniqueness, and positivity of solutions, as well as the asymptotic behavior through a finite fractal dimensional global attractor for a general Advection-Diffusion-Reaction (ADR) equation, are investigated. Our…

偏微分方程分析 · 数学 2025-01-03 Mohammed Elghandouri , Khalil Ezzinbi , Lamiae Saidi

The existence of global weak solutions to a partial-differential-algebraic system is proved. The system consists of the drift-diffusion equations for the electron, hole, and oxide vacancy densities in a memristor device, the Poisson…

偏微分方程分析 · 数学 2025-07-30 Ansgar Jüngel , Tuan Tung Nguyen

In this paper dynamic von Karman equations with localized interior damping supported in a boundary collar are considered. Hadamard well-posedness for von Karman plates with various types of nonlinear damping are well-known, and the…

偏微分方程分析 · 数学 2012-01-31 Pelin G. Geredeli , Irena Lasiecka , Justin T. Webster

We examine a viscous Cahn-Hilliard phase-separation model with memory and where the chemical potential possesses a nonlocal fractional Laplacian operator. The existence of global weak solutions is proven using a Galerkin approximation…

偏微分方程分析 · 数学 2018-05-01 Eylem Öztürk , Joseph L. Shomberg

The paper investigates the existence of global attractors and their upper semicontinuity for a structural damped wave equation on $\mathbb{R}^{N}: u_{tt}-\Delta u+(-\Delta)^\alpha u_{t}+u_{t}+u+g(u)=f(x)$, where $\alpha\in (1/2, 1)$ is…

偏微分方程分析 · 数学 2019-05-17 Qionglei Chen , Pengyan Ding , Zhijian Yang

In this contribution, we have considered the collective behavior of the two as well as the network of heterogeneous coupled Hindmarsh Rose (HR) neurons. The heterogeneous models were made of a memristive 2D (HR) and the traditional 3D HR…

神经元与认知 · 定量生物学 2023-02-24 Zeric Tabekoueng Njitacke , Sishu Shankar Muni , Soumyajit Seth , Jan Awrejcewicz , Jacques Kengne

We consider a hydrodynamic system that models the Smectic-A liquid crystal flow. The model consists of the Navier-Stokes equation for the fluid velocity coupled with a fourth-order equation for the layer variable $\vp$, endowed with…

偏微分方程分析 · 数学 2012-02-21 Antonio Segatti , Hao Wu

This paper investigates the global dynamics of the Euler--Riesz system in three dimensions, focusing on the well-posedness and large-time behavior of solutions near equilibrium. The system generalizes classical interactions by incorporating…

偏微分方程分析 · 数学 2024-12-31 Young-Pil Choi , Jinwook Jung , Yoonjung Lee

We construct and study global solutions for the 3-dimensional incompressible MHD systems with arbitrary small viscosity. In particular, we provide a rigorous justification for the following dynamical phenomenon observed in many contexts:…

偏微分方程分析 · 数学 2016-03-29 Ling-Bing He , Li Xu , Pin Yu

The paper revisits a well-known model of forced vibro-impact oscillator with Amonton-Coulomb friction. In vast majority of the existing studies, this model included also viscous friction, and its global dynamics in the state space is…

动力系统 · 数学 2020-01-08 Oleg Gendelman , Pavel Kravetc , Dmitrii Rachinskii