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We consider the Cauchy problem to the three-dimensional isentropic compressible Magnetohydrodynamics (MHD) system with density-dependent viscosities. When the initial density is linearly equivalent to a large constant state, we prove that…

偏微分方程分析 · 数学 2024-08-20 Yachun Li , Peng Lu , Zhaoyang Shang

We prove the decay in the energy space for the solution to the defocusing biharmonic Hartree-Fock equations with mass-supercritical and energy-subcritical Choquard-type nonlinearity in space dimension $d\geq3$. We treat both the free and…

偏微分方程分析 · 数学 2021-08-31 Mirko Tarulli , George Venkov

We investigate the Cauchy problem for a fluid-particle interaction model in $\mathbb{R}^3$. This model consists of the compressible barotropic Navier-Stokes equations and the Vlasov-Fokker-Planck equation coupled together via the…

偏微分方程分析 · 数学 2026-04-22 Fucai Li , Jinkai Ni , Man Wu

We consider the Cauchy problem for the full compressible Navier-Stokes equations with vanishing of density at infinity in R3. Our main purpose is to prove the existence (and uniqueness) of global strong and classical solutions and study the…

偏微分方程分析 · 数学 2017-02-22 Huanyao Wen , Changjiang Zhu

Although there are many results on the global solvability and the precise description of the large time behaviors of solutions to the initial-boundary value problems of the one-dimensional viscous radiative and reactive gas in bounded…

偏微分方程分析 · 数学 2017-05-04 Yongkai Liao , Huijiang Zhao

We consider solutions of two-dimensional $m \times m$ systems hyperbolic conservation laws that are constant in time and along rays starting at the origin. The solutions are assumed to be small $L^\infty$ perturbations of a constant state…

偏微分方程分析 · 数学 2013-05-07 Volker Elling , Joseph Roberts

We study the Cauchy problem for systems of cubic nonlinear Klein-Gordon equations with different masses in one space dimension. Under a suitable structural condition on the nonlinearity, we will show that the solution exists globally and…

偏微分方程分析 · 数学 2016-02-11 Donghyun Kim

The Cauchy problem for a nonlinear elastic wave equations with viscoelastic damping terms is considered on the 3 dimensional whole space. Decay and smoothing properties of the solutions are investigated when the initial data are…

偏微分方程分析 · 数学 2021-11-09 Yoshiyuki Kagei , Hiroshi Takeda

This paper investigates the Cauchy problem for the barotropic compressible Navier-Stokes equations in $\mathbb{R}^2$ with the constant state as far field, which may be vacuum or non-vacuum. Under the assumption of a sufficiently large bulk…

偏微分方程分析 · 数学 2026-01-27 Qinghao Lei , Chengfeng Xiong

This paper studies the local existence of strong solutions to the Cauchy problem of the 2D fluid-particle interaction model with vacuum as far field density. Notice that the technique used by Ding et al.\cite{SBH} for the corresponding 3D…

偏微分方程分析 · 数学 2016-09-04 Yang Liu

We are concerned with a new solution formula and its applications to the analysis of properties of entropy solutions of the Cauchy problem for one-dimensional scalar hyperbolic conservation laws, wherein the flux functions exhibit convexity…

偏微分方程分析 · 数学 2025-04-28 Gaowei Cao , Gui-Qiang G. Chen , Xiaozhou Yang

We consider the large time behavior of global strong solutions to the compressible viscoelastic flows on the whole space $\mathbb{R}^N\,(N\geq 2)$, where the system describes the elastic properties of the compressible fluid. Adding a…

偏微分方程分析 · 数学 2019-09-11 Qunyi Bie , Hui Fang , Qiru Wang , Zheng-an Yao

We consider the Cauchy problems in the whole space for wave equations with higher derivative terms. We derive sharp growth estimates of the $L^2$-norm of the solution itself in the case of the space 1, 2 dimensions. By imposing the weighted…

偏微分方程分析 · 数学 2023-07-26 Ryo Ikehata , Xiaoyan Li

In this paper, we study the optimal time decay rate of isentropic Navier-Stokes equations under the low regularity assumptions about initial data. In the previous works about optimal time decay rate, the initial data need to be small in…

偏微分方程分析 · 数学 2015-02-19 Junxiong Jia , Jigen Peng

In this paper, we study the Cauchy problem to the linear damped $\sigma$-evolution equation with time-dependent damping in the effective cases \begin{equation*} u_{t t}+(-\Delta)^\sigma u+b(t)(-\Delta)^\delta u_t=0, \end{equation*} and…

偏微分方程分析 · 数学 2024-04-11 Cung The Anh , Phan Duc An , Pham Trieu Duong

We consider the Cauchy problem of fractional pseudo-parabolic equation on the whole space $R^n,n\geq 1$. Here, the fractional order $\alpha$ is related to the diffusion-type source term behaving as the usual diffusion term on the high…

偏微分方程分析 · 数学 2017-03-28 Lingyu Jin , Lang Li , Shaomei Fang

In this paper, we consider the global regularity and the optimal time decay rate for the 2D isentropic hypo-viscous compressible Navier-Stokes equations. Firstly, we prove that there exists a global strong solution with the small initial…

偏微分方程分析 · 数学 2026-01-13 Chen Liang , Zhaonan Luo , Zhaoyang Yin

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

We study the Cauchy problem for the chemotaxis Navier-Stokes equations and the Keller-Segel-Navier-Stokes system. Local-in-time and global-in-time solutions satisfying fundamental properties such as mass conservation and nonnegativity…

偏微分方程分析 · 数学 2023-01-04 Gael Yomgne Diebou

In this paper, we consider the Cauchy problem for an inviscid compressible Oldroyd-B model in three dimensions. The global well posedness of strong solutions and the associated time-decay estimates in Sobolev spaces are established near an…

偏微分方程分析 · 数学 2021-07-16 Sili Liu , Wenjun Wang , Huanyao Wen