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Related papers: On Questions of Decay and Existence for the Viscou…

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In this paper, we study the large time behavior of solutions to the compressible magnetohydrodynamic equations in the $L^p$-type critical Besov spaces. Precisely, we show that if the initial data in the low frequencies additionally belong…

Analysis of PDEs · Mathematics 2019-06-24 Qunyi Bie , Qiru Wang , Zheng-an Yao

We consider solutions to linear parabolic equations with initial data decaying at spatial infinity. For a class of advection-diffusion equations with a spatially dependent velocity field, we study the behavior of solutions as time tends to…

Analysis of PDEs · Mathematics 2007-05-23 Oliver C. Schnürer , Hartmut R. Schwetlick

We consider the wave equation with a cubic convolution $\partial_t^2 u-\Delta u=(|x|^{-\gamma}*u^2)u$ in three space dimensions. Here, $0<\gamma<3$ and $*$ stands for the convolution in the space variables. It is well known that if initial…

Analysis of PDEs · Mathematics 2020-10-02 Tomoyuki Tanaka , Kyouhei Wakasa

In this paper, we consider the $n$-dimensional ($n=2,3$) Camassa-Holm equations with fractional Laplacian viscosity in the whole space. In stark contrast to the Camassa-Holm equations without any nonlocal effect, to our best knowledge,…

Analysis of PDEs · Mathematics 2018-05-15 Zaihui Gan , Yong He , Linghui Meng

This paper aims at studying a generalized Camassa--Holm equation under random perturbation. We establish a local well-posedness result in the sense of Hadamard, i.e., existence, uniqueness and continuous dependence on initial data, as well…

Analysis of PDEs · Mathematics 2023-04-04 Yingting Miao , Christian Rohde , Hao Tang

We consider a class of semi-linear dissipative hyperbolic equations in which the operator associated to the linear part has a nontrivial kernel. Under appropriate assumptions on the nonlinear term, we prove that all solutions decay to 0, as…

Analysis of PDEs · Mathematics 2013-06-18 Marina Ghisi , Massimo Gobbino , Alain Haraux

The long-time regularity and asymptotic of weak solutions are studied for compressible Navier-Stokes equations with degenerate viscosity in a bounded periodic domain in two and three dimensions. It is shown that the density keeps strictly…

Analysis of PDEs · Mathematics 2022-04-27 Zhilei Liang

In this paper, we study the decay rate in time to solutions of the Cauchy problem for the one-dimensional viscous conservation law where the far field states are prescribed. Especially, we deal with the case that the flux function which is…

Analysis of PDEs · Mathematics 2015-02-17 Natsumi Yoshida

Global classical solutions to the viscous Hamilton-Jacobi equation with homogenious Dirichlet boundary conditions are shown to converge to zero at the same speed as the linear heat semigroup when p > 1. For p = 1, an exponential decay to…

Analysis of PDEs · Mathematics 2007-05-23 Said Benachour , Simona Dabuleanu-Hapca , Philippe Laurençot

We study Cauchy problem of a class of viscous Camassa-Holm equations (or Lagrangian averaged Navier-Stokes equations) with fractional diffusion in both smooth bounded domains and in the whole space in two and three dimensions. Order of the…

Analysis of PDEs · Mathematics 2019-06-11 Zaihui Gan , Fang-Hua Lin , Jiajun Tong

In this paper we study the large-time behavior of classical solutions to the two-species Vlasov-Maxwell-Boltzmann system in the whole space $\R^3$. The existence of global in time nearby Maxwellian solutions is known from [34] in 2006.…

Analysis of PDEs · Mathematics 2016-02-22 Renjun Duan , Robert M. Strain

In this paper, we investigate the global well-posedness and optimal time-decay of classical solutions for the 3-D full compressible Navier-Stokes system, which is given by the motion of the compressible viscous and heat-conductive gases.…

Analysis of PDEs · Mathematics 2025-03-20 Wenwen Huo , Chao Zhang

We consider the long time behavior of solutions to the magnetohydrodynamics equations in two and three spatial dimensions. It is shown that in the absence of magnetic diffusion, if strong bounded solutions were to exist their energy cannot…

Analysis of PDEs · Mathematics 2007-05-23 Ruben Agapito , Maria Schonbek

In this paper, we investigate a three-dimensional fluid-particle coupled model. % in whole space $\mathbb{R}^3$. This model combines the full compressible Navier-Stokes equations with the Vlasov-Fokker-Planck equation via the momentum and…

Analysis of PDEs · Mathematics 2024-08-27 Fucai Li , Jinkai Ni , Man Wu

This paper concerns with the large time behavior of solutions to a diffusion approximation radiation hydrodynamics model when the initial data is a small perturbation around an equilibrium state. The global-in-time well-posedness of…

Analysis of PDEs · Mathematics 2022-05-04 Wenjun Wang , Feng Xie , Xiongfeng Yang

We revisit the damped wave equation on two-dimensional torus where the damped region does not satisfy the geometric control condition. We show that if the damping vanishes as a H\"older function $|x|^{\beta}$, and in addition, the boundary…

Analysis of PDEs · Mathematics 2022-01-07 Chenmin Sun

We study the large-time behavior of solutions to the compressible Navier-Stokes equations for a viscous and heat-conductive gases in $\mathbb{R}^3$. More precisely, under a suitable additional condition involving only the low frequencies of…

Analysis of PDEs · Mathematics 2020-07-15 Xiaoping Zhai , Zhi-Min Chen

The global existence issue for the isentropic compressible Navier-Stokes equations in the critical regularity framework has been addressed in [7] more than fifteen years ago. However, whether (optimal) time-decay rates could be shown in…

Analysis of PDEs · Mathematics 2016-12-21 Raphaël Danchin , Jiang Xu

We construct the global solution to the Cauchy's problem of the bipolar Euler-Poisson equations with damping in $\mathbb{R}^3$ when $H^3$ norm of the initial data is small. If further, the $\dot{H}^{-s}$ norm ($0\leq s<3/2)$ or…

Analysis of PDEs · Mathematics 2012-12-19 Zhigang Wu , Weike Wang

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