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In this work, we study the global existence of solutions for a class of semilinear nonlocal reaction-diffusion systems with $m$ components on a bounded domain $\Omega$ in $\mathbb{R}^n$ with smooth boundary. The initial data is assumed to…

偏微分方程分析 · 数学 2025-10-09 Md Shah Alam , Jeff Morgan

In this paper we study the problem of the global existence (in time) of weak, entropic solutions to a system of three hyperbolic conservation laws, in one space dimension, for large initial data. The system models the dynamics of phase…

偏微分方程分析 · 数学 2015-09-10 Debora Amadori , Paolo Baiti , Andrea Corli , Edda Dal Santo

In a conservative and partially hyperbolic three-dimensional setting, we study three representative classes of diffeomorphisms: those homotopic to Anosov (or Derived from Anosov diffeomorphisms), diffeomorphisms in neighborhoods of the…

动力系统 · 数学 2025-04-18 Lorenzo J. Díaz , Jiagang Yang , Jinhua Zhang

We study the stability of one-dimensional linear hyperbolic systems with non-symmetric relaxation. Introducing a new frequency-dependent Kalman stability condition, we prove an abstract decay result underpinning a form of inhomogeneous…

偏微分方程分析 · 数学 2025-03-04 Timothée Crin-Barat , Lorenzo Liverani , Ling-Yun Shou , Enrique Zuazua

We study existence, uniqueness, and distributional aspects of generalized solutions to the Cauchy problem for first-order symmetric (or Hermitian) hyperbolic systems of partial differential equations with Colombeau generalized functions as…

偏微分方程分析 · 数学 2011-11-10 Guenther Hoermann , Christian Spreitzer

Local well-posedness for a nonlinear parabolic-hyperbolic coupled system modelling Micro-Electro-Mechanical System (MEMS) is studied. The particular device considered is a simple capacitor with two closely separated plates, one of which has…

偏微分方程分析 · 数学 2024-04-09 Heiko Gimperlein , Runan He , Andrew A. Lacey

This paper proves existence of a global weak solution to the inhomogeneous (i.e., non-constant density) incompressible Navier-Stokes system with mass diffusion. The system is well-known as the Kazhikhov-Smagulov model. The major novelty of…

偏微分方程分析 · 数学 2023-06-19 Eliott Kacedan , Kohei Soga

We study hyperbolic systems of one-dimensional partial differential equations under general, possibly non-local boundary conditions. A large class of evolution equations, either on individual 1-dimensional intervals or on general networks,…

偏微分方程分析 · 数学 2021-01-19 Marjeta Kramar Fijavž , Delio Mugnolo , Serge Nicaise

We show existence of global strong solutions with large initial data on the irrotational part for the shallow-water system in dimension $N\geq 2$. We introduce a new notion of \textit{quasi-solutions} when the initial velocity is assumed to…

偏微分方程分析 · 数学 2012-01-27 Boris Haspot

This paper is devoted to confront two different approaches to the problem of dynam-ical perfect plasticity. Interpreting this model as a constrained boundary value Friedrichs' system enables one to derive admissible hyperbolic boundary…

偏微分方程分析 · 数学 2016-11-23 Jean-Francois Babadjian , Clément Mifsud

Danchin and He (Math. Ann. 64: 1-38, 2016) recently established the global existence in critical $L^p$-type regularity framework for the $N$-dimensional $(N\geq 3)$ non-isentropic compressible Navier-Stokes equations. The purpose of this…

偏微分方程分析 · 数学 2020-02-14 Qunyi Bie , Qiru Wang , Zheng-an Yao

In this paper, we deal with some Oldroyd type models, which describe incompressible viscoelastic fluids. There are 3 parameters in these models: the viscous coefficient of fluid $\nu_{1}$, the viscous coefficient of the elastic part of the…

偏微分方程分析 · 数学 2025-07-23 Hantaek Bae , Jaeyong Shin

The compressible Navier-Stokes-Poisson system is concerned in the present paper, and the global existence and uniqueness of the strong solution is shown in the framework of hybrid Besov spaces in three and higher dimensions.

数学物理 · 物理学 2009-04-24 Chengchun Hao , Hai-Liang Li

In this work we use functional methods to prove the boundedness and global existence of solutions for a class of strongly coupled parabolic systems. We apply the results to deduce the global existence of solutions for a classic…

偏微分方程分析 · 数学 2014-08-04 Said Kouachi , Kamuela E. Yong , Rana D. Parshad

We construct examples of oscillating solutions with persistent oscillations for various hyperbolic-parabolic systems with singular diffusion matrices that appear in mechanics. These include, an example for the equations of nonlinear…

偏微分方程分析 · 数学 2024-10-01 Athanasios E. Tzavaras

Aim of this paper is to review some basic ideas and recent developments in the theory of strictly hyperbolic systems of conservation laws in one space dimension. The main focus will be on the uniqueness and stability of entropy weak…

偏微分方程分析 · 数学 2007-05-23 Alberto Bressan

The purpose of this work is to analyze the well-posedness and blow-up behavior of solutions to the nonlocal semilinear parabolic equation with a forcing term: \[ \partial_t u - \Delta u = \|u(t)\|_{q}^\alpha |u|^p + t^{\varrho}…

偏微分方程分析 · 数学 2025-03-14 Rihab Ben Belgacem , Mohamed Majdoub

This paper is dedicated to the study of viscous compressible barotropic fluids in dimension N=2. We address the question of the global existence of strong solutions with large initial data for compressible Navier-Stokes system and Korteweg…

偏微分方程分析 · 数学 2012-11-21 Boris Haspot

We are interested in the feedback stabilization of systems described by Hamilton-Jacobi type equations in $\mathbb{R}^n$. A reformulation leads to a a stabilization problem for a multi-dimensional system of $n$ hyperbolic partial…

最优化与控制 · 数学 2024-01-26 Michael Herty , Ferdinand Thein

This paper focuses on the initial value problem for the hyperbolic Keller-Segel (HKS) equation with sensitivity adjustment in Besov sapces over $\mathbb{R}^d$: $\partial_t u + \nabla \cdot \left(\varrho (t) u (1 - u) \nabla S \right)= 0$,…

偏微分方程分析 · 数学 2025-09-16 Bo Bi , Lei Zhang