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Several problems, issued from physics, biology or the medical science, lead to parabolic equations set in two sub-domains separated by a membrane with selective permeability to specific molecules. The corresponding boundary conditions,…

偏微分方程分析 · 数学 2022-06-27 Giorgia Ciavolella , Benoît Perthame

We prove the global strong solvability of a quasilinear initial-boundary value problem with fractional time derivative of order less than one. Such problems arise in mathematical physics in the context of anomalous diffusion and the…

偏微分方程分析 · 数学 2011-06-06 Rico Zacher

We prove existence of weak solutions (in the probabilistic sense) for a general class of stochastic semilinear wave equations on bounded domains of $R^d$ driven by a possibly discontinuous square integrable martingale.

偏微分方程分析 · 数学 2012-02-08 Carlo Marinelli , Lluís Quer-Sardanyons

We consider Cauchy problem for the semilinear plate equation with nonlocal nonlinearity. Under mild conditions on the damping coefficient, we prove that the semigroup generated by this problem possesses a global attractor.

偏微分方程分析 · 数学 2015-04-01 Azer Khanmamedov , Sema Simsek

We consider a Large Eddy Simulation model for a homogeneous incompressible Newtonian fluid in a box space domain with periodic boundary conditions on the lateral boundaries and homogeneous Dirichlet conditions on the top and bottom…

偏微分方程分析 · 数学 2014-02-24 Luca Bisconti , Davide Catania

We consider a reaction-diffusion system where some components react and diffuse on the boundary of a region, while other components diffuse in the interior and react with those on the boundary through mass transport. We establish local…

偏微分方程分析 · 数学 2015-11-20 Vandana Sharma , Jeff Morgan

In this work we determine the critical exponent for a weakly coupled system of semilinear wave equations with distinct scale-invariant lower order terms, when these terms make both equations in some sense parabolic-like. For the blow-up…

偏微分方程分析 · 数学 2019-05-01 Wenhui Chen , Alessandro Palmieri

The coupled quasilinear Keller-Segel-Navier-Stokes system is considered under Neumann boundary conditions for $n$ and $c$ and no-slip boundary conditions for $u$ in three-dimensional bounded domains $\Omega\subseteq \mathbb{R}^3$ with…

偏微分方程分析 · 数学 2017-04-11 Jiashan Zheng

We investigate the long-time behaviour of solutions of a class of singular-degenerate porous medium type equations in bounded domains with homogeneous Dirichlet boundary conditions. The existence of global attractors is shown under very…

偏微分方程分析 · 数学 2026-01-15 Zehra Şen , Stefanie Sonner

We prove existence of weak solutions to the obstacle problem for semilinear wave equations (including the fractional case) by using a suitable approximating scheme in the spirit of minimizing movements. This extends the results in [9],…

偏微分方程分析 · 数学 2021-04-05 Mauro Bonafini , Van Phu Cuong Le , Matteo Novaga , Giandomenico Orlandi

This paper is concerned with the Morse theory of attractors for semiflows on complete metric spaces. First, we construct global Morse-Lyapunov functions for Morse decompositions of attractors. Then we extend some well known deformation…

动力系统 · 数学 2010-03-02 Desheng Li

We study the global existence of small data solutions for Cauchy problem for the semi-linear structural damped wave equation with source term.

偏微分方程分析 · 数学 2014-06-26 Marcello D'Abbicco , Michael Reissig

In this paper axisymmetric solutions of the Navier-Stokes equations governing the flow induced by a half-line source when the fluid domain is bounded by a conical wall are discussed. Two types of boundary conditions are identified; one in…

流体动力学 · 物理学 2024-07-02 Prabakaran Rajamanickam , Adam D. Weiss

The aim of this paper is to draw attention to an interesting semilinear parabolic equation that arose when describing the chaotic dynamics of a polymer molecule in a liquid. This equation is nonlocal in time and contains a term, called the…

偏微分方程分析 · 数学 2020-12-30 Victor N. Starovoitov

In this paper the notion of global attractor is extended from the setting of semigroup actions on metric spaces to the setting of semigroup actions on uniformizable spaces. General conditions for the existence of global attractor are…

动力系统 · 数学 2018-04-17 Josiney A. Souza , Richard W. M. Alves

We give a comprehensive study of the analytic properties and long-time behavior of solutions of a reaction-diffusion system in a bounded domain in the case where the nonlinearity satisfies the standard monotonicity assumption. We pay the…

偏微分方程分析 · 数学 2020-06-11 Anna Kostianko , Chunyou Sun , Sergey Zelik

This paper deals with some classes of Kirchhoff type problems on a double phase setting and with nonlinear boundary conditions. Under general assumptions, we provide multiplicity results for such problems in the case when the perturbations…

偏微分方程分析 · 数学 2021-12-16 Alessio Fiscella , Greta Marino , Andrea Pinamonti , Simone Verzellesi

We investigate a class of systems of partial differential equations with nonlinear cross-diffusion and nonlocal interactions, which are of interest in several contexts in social sciences, finance, biology, and real world applications.…

偏微分方程分析 · 数学 2017-10-05 M. Di Francesco , A. Esposito , S. Fagioli

The object of this paper is twofold. Firstly, we study a class of generalized Newtonian fluid related to "power law ". For the corresponding non-Newtonian Navier-Stokes problems, the existence of a weak and periodic solutions is proved in…

偏微分方程分析 · 数学 2017-01-20 Rodolfo Salvi

In this paper, we study the global conservative weak solutions for a class of nonlinear dispersive wave equations after wave breaking. We first transform the equations into an equivalent semi-linear system by introducing new variables. We…

偏微分方程分析 · 数学 2023-03-17 Yonghui Zhou , Shuguan Ji