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We establish some interior regularity criterions of suitable weak solutions for the 3-D Navier-Stokes equations, which allow the vertical part of the velocity to be large under the local scaling invariant norm. As an application, we improve…

偏微分方程分析 · 数学 2012-01-06 Wendong Wang , Zhifei Zhang

The purpose of this work is to investigate the Cauchy problem of global-in-time existence of large strong solutions to the Navier-Stokes equations for compressible viscous and heat conducting fluids. A class of density-dependent viscosity…

偏微分方程分析 · 数学 2024-12-04 Yachun Li , Peng Lu , Zhaoyang Shang , Shaojun Yu

In this paper, we study the global regularity of strong solution to the Cauchy problem of 3D incompressible Navier-Stokes equations with large data and non-zero force. We prove that the strong solution exists globally for $\nabla u\in…

偏微分方程分析 · 数学 2015-09-29 Abdelhafid Younsi

We consider the Cauchy problem in the band $\mathbb{C}^{n}\times[0, T], n>1,T>0$, for a system of nonlinear differential equations structurally similar to the classical Navier-Stokes equations for an incompressible fluid. The main…

偏微分方程分析 · 数学 2025-12-05 Shlapunov Alexander , Polkovnikov Alexander

This paper investigates the stochastic tamed 3D Navier-Stokes equations with locally weak monotonicity coefficients in the whole space as well as in the three-dimensional torus, which play a crucial role in turbulent flows analysis. A…

概率论 · 数学 2025-02-20 Shuaishuai Lu , Xue Yang , Yong Li

In this article the question on uniqueness of weak solution of the incompressible Navier-Stokes Equations in the 3-dimensional case is studied. Here the investigation is carried out with use of another approach. The uniqueness of velocity…

偏微分方程分析 · 数学 2020-09-29 Kamal N. Soltanov

In this paper we aim to construct a very weak solution to the steady two-dimensional Navier-Stokes equations which is affected by an external force induced by a point vortex on the unit disk. Such a solution is also the form of…

偏微分方程分析 · 数学 2024-10-11 Zhi Chen , Mingwen Fei , Zhiwu Lin , Jianfeng Zhao

The manuscript is concerned with uniqueness and stability for inverse source problem of determining spatially varying factor $f(x)$ of a source term given by $R(t)f(x)$ with suitable given $R(t)$ in the right hand side of the Schr\"odinger…

偏微分方程分析 · 数学 2022-12-29 Oleg Imanuvilov , M. Yamamoto

In this paper, we introduce the concept of local Leray solutions starting from a locally square-integrable initial data to the fractional Navier-Stokes equations with $s\in [3/4,1)$. Furthermore, we prove its local in time existence when…

偏微分方程分析 · 数学 2019-06-25 Jingyue Li

In this paper, we present the result of maximum regularity of the mild solution of the fractional Cauchy problem. As our main result, we investigate the uniqueness of mild solutions for time-fractional Navier-Stokes equations in class…

偏微分方程分析 · 数学 2019-08-15 J. Vanterler da C. Sousa , E. Capelas de Oliveira

The motion of rarefied gases for uniform shear flow at the kinetic level is governed by the spatially homogeneous Boltzmann equation with a deformation force. In the paper we study the corresponding Cauchy problem with initial data of…

偏微分方程分析 · 数学 2022-10-25 Renjun Duan , Shuangqian Liu

We explore two approaches to proving existence and analyticity of solutions to nonlinear parabolic differential equations. One of these methods works well for more general nonlinearities, while the second method gives stronger results when…

偏微分方程分析 · 数学 2025-04-22 David Ambrose , Milton Lopes Filho , Helena Nussenzveig Lopes

The purpose of this paper is to investigate the Cauchy problem for the Gross-Pitaevskii infinite linear hierarchy of equations on $\mathbb{R}^n,$ $n \geq 1.$ We prove local existence and uniqueness of solutions in certain Sobolev type…

数学物理 · 物理学 2015-05-20 Zeqian Chen , Chuangye Liu

We investigate the Cauchy-Dirichlet problem for linear parabolic equations in divergence form. Under mild assumptions on the source term and the domain, we prove the existence of globally H\"{o}lder continuous solutions. Notably, our…

偏微分方程分析 · 数学 2026-01-07 Takanobu Hara

We investigate the Cauchy problem for the Einstein - scalar field equations in asymptotically flat spherically symmetric spacetimes, in the standard 1+3 formulation. We prove the local existence and uniqueness of solutions for initial data…

广义相对论与量子宇宙学 · 物理学 2009-10-31 Edward Malec

In this paper we show the unexpected property that extension from local to global without loss of regularity holds for the solutions of a wide class of vector-valued differential equations, in particular for the class of fractional abstract…

泛函分析 · 数学 2015-12-09 Luciano Abadias , Carlos Lizama , Pedro J. Miana

In a previous paper [9], we proved the following singularity theorem applicable to cosmological models with a positive cosmological constant: if a four-dimensional spacetime satisfying the null energy condition contains a compact Cauchy…

广义相对论与量子宇宙学 · 物理学 2025-12-12 Gregory J. Galloway , Eric Ling

We prove unique continuation properties for linear variable coefficient Schr\"odinger equations with bounded real potentials. Under certain smallness conditions on the leading coefficients, we prove that solutions decaying faster than any…

偏微分方程分析 · 数学 2025-01-27 Serena Federico , Zongyuan Li , Xueying Yu

Constantin and Saut showed in 1988 that solutions of the Cauchy problem for general dispersive equations $$ w_t +iP(D)w=0,\quad w(x,0)=q (x), \quad x\in \mathbb{R}^n, \ t\in \mathbb{R} , $$ enjoy the local smoothing property $$ q\in H^s (\R…

偏微分方程分析 · 数学 2016-03-29 Shu-Ming Sun , Emmanuel Trelat , Bingyu Zhang , Ning Zhong

The existence and uniqueness in Sobolev spaces of solutions of the Cauchy problem to parabolic integro-differential equation of the order {\alpha}\in(0,2) is investigated. The principal part of the operator has kernel…

偏微分方程分析 · 数学 2012-01-24 R. Mikulevicius , H. Pragarauskas