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We study the large time behavior of solutions to the system of equations describing motion of compressible viscoelastic fluids. We focus on the linearized system around a motionless state in a three-dimensional exterior domain and derive…

Analysis of PDEs · Mathematics 2025-05-30 Yusuke Ishigaki , Takayuki Kobayashi

We examine the large-time behaviour of solutions to the compressible Navier-Stokes equations under the assumption of radial symmetry. In particular, we calculate a fast time-decay estimate of the norm of the nonlinear part of the solution.…

Analysis of PDEs · Mathematics 2024-01-04 Tsukasa Iwabuchi , Dáithí Ó hAodha

In this paper we study the behaviors of the energy of solutions of the wave equations with localized nonlinear damping in exterior domains.

Analysis of PDEs · Mathematics 2017-06-27 Moez Daoulatli

We discuss optimal estimates of solutions to the compressible Navier-Stokes equations in Besov norms. In particular, we consider the estimate of the curl-free part of the solution to the linearised equations, in the homogeneous case. We…

Analysis of PDEs · Mathematics 2023-03-14 Tsukasa Iwabuchi , Dáithí Ó hAodha

The aim of this paper is to develop the general $L_p$ theory for the barotropic compressible Navier-Stokes equations with the free boundary condition in the exterior domain in $\mathbb{R}^N$ ($N\geq 3$). By the spectral analysis, we obtain…

Analysis of PDEs · Mathematics 2021-01-26 Yoshihiro Shibata , Xin Zhang

In this paper, we are concerned with the convergence rates of the global strong solution to constant equilibrium state for the compressible viscoelastic fluids in the whole space. We combine both analysis about Green's matrix method and…

Analysis of PDEs · Mathematics 2015-02-24 Junxiong Jia , Jigen Peng

In this paper, we investigate the time decay behavior to Lions weak solution of 2D incompressible density-dependent Navier-Stokes equations with variable viscosity.

Analysis of PDEs · Mathematics 2013-01-22 Jingchi Huang , Marius Paicu

In this paper, we investigate the energy decay of the solution to a viscoelastic wave equation with variable exponents logarithmic nonlinearity and weak damping in a bounded domain. We establish an explicit general decay result under mild…

Analysis of PDEs · Mathematics 2026-01-06 Qingqing Peng , Yikan Liu

Consider three-dimensional fractional MHD equations in an exterior domain with the Dirichlet boundary condition assumed. Asymptotic behaviours of weak solutions to the three-dimensional exterior fractional MHD equations are studied. $L^2$…

Analysis of PDEs · Mathematics 2025-02-03 Zhi-Min Chen , Bo-Qing Dong , Qiuyue Zhang

We study the global existence and decay estimates for nonlinear wave equations with the space-time dependent dissipative term in an exterior domain. The linear dissipative effect may vanish in a compact space region. Moreover the nonlinear…

Analysis of PDEs · Mathematics 2014-02-18 Tomonari Watanabe

We prove optimal decay estimates for positive solutions to elliptic p-Laplacian problems in the entire Euclidean space, when a critical nonlinearity with a decaying source term is considered. Also gradient decay estimates are furnished. Our…

Analysis of PDEs · Mathematics 2025-02-28 Laura Baldelli , Umberto Guarnotta

This paper is concerned with the energy decay of a viscoelastic variable coefficient wave equation with nonlocality in time as well as nonlinear damping and polynomial nonlinear terms. Using the Lyapunov method, we establish a polynomial…

Analysis of PDEs · Mathematics 2025-12-03 Qingqing Peng , Yikan Liu

In this article we consider variable coefficient, time dependent wave equations in exterior domains. We prove localized energy estimates if the domain is star-shaped and global in time Strichartz estimates if the domain is strictly convex.

Analysis of PDEs · Mathematics 2009-08-28 Jason Metcalfe , Daniel Tataru

This paper is devoted to the study of gradient estimates for the Dirichlet problem of the heat equation in the exterior domain of a compact set. Our results describe the time decay rates of the derivatives of solutions to the Dirichlet…

Analysis of PDEs · Mathematics 2017-10-03 Vladimir Georgiev , Koichi Taniguchi

This paper is concerned with the large time behavior of the solution to the Cauchy problem for the elastic wave equations. In particular, optimal $L^{2}$ estimates of the elastic waves are obtained in the sense that the upper and lower…

Analysis of PDEs · Mathematics 2025-08-11 Hiroshi Takeda

We establish the time decay rates of the solution to the Cauchy problem for the compressible Navier-Stokes-Poisson system via a refined pure energy method. In particular, the optimal decay rates of the higher-order spatial derivatives of…

Analysis of PDEs · Mathematics 2011-12-22 Yanjin Wang

Recently, Jiang--Jiang (J. Differential Equations 282, 2021) showed the existence of unique strong solutions in spatial periodic domain (denoted by $\mathbb{T}^3$), whenever the elasticity coefficient is larger than the initial velocity…

Analysis of PDEs · Mathematics 2024-11-27 Shengbin Fu , Wenting Huang , Fei Jiang

This paper is dedicated to the global existence and optimal decay estimates of strong solutions to the compressible viscoelastic flows in the whole space $\mathbb{R}^n$ with any $n\geq2$. We aim at extending those works by Qian \& Zhang and…

Analysis of PDEs · Mathematics 2022-08-08 Xinghong Pan , Jiang Xu

We prove sharp estimates for the decay in time of solutions to a rather general class of non-local in time subdiffusion equations on a bounded domain subject to a homogeneous Dirichlet boundary condition. Important special cases are the…

Analysis of PDEs · Mathematics 2013-10-02 Vicente Vergara , Rico Zacher

We study the three-dimensional compressible elastic Navier-Stokes-Poisson equations induced by a new bipolar viscoelastic model derived here, which model the motion of the compressible electrically conducting fluids. The various boundary…

Analysis of PDEs · Mathematics 2023-06-07 Wenpei Wu , Yong Wang
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