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This work focuses on the regularization by nonlinear noise for a class of partial differential equations that may only have local solutions. In particular, we obtain the global existence, uniqueness and the Feller property for stochastic 3D…

概率论 · 数学 2025-07-28 Wei Hong , Shihu Li , Wei Liu

In this paper, we derive regular criteria via pressure or gradient of the velocity in Lorentz spaces to the 3D Navier-Stokes equations. It is shown that a Leray-Hopf weak solution is regular on $(0,T]$ provided that either the norm…

偏微分方程分析 · 数学 2020-03-18 Xiang Ji , Yanqing Wang , Wei Wei

In this paper, we derive the optimal time-decay estimates for 2-D inhomogeneous Navier-Stokes equations. In particular, we prove that $\|u(t)\|_{\dot{B}^{\theta}_{p,1}({\mathop{\mathbb R\kern 0pt}\nolimits}^2)}={\mathcal O}…

偏微分方程分析 · 数学 2024-07-08 Yanlin Liu

We revisit the regularity theory of Escauriaza, Seregin, and \v{S}ver\'ak for solutions to the three-dimensional Navier-Stokes equations which are uniformly bounded in the critical $L^3_x(\mathbf{R}^3)$ norm. By replacing all invocations of…

偏微分方程分析 · 数学 2020-07-13 Terence Tao

We consider the Navier-Stokes equations on thin 3D domains, supplemented mainly with purely periodic boundary conditions or with periodic boundary conditions in the thin direction and homogeneous Dirichlet conditions on the lateral…

chao-dyn · 物理学 2007-05-23 Dragos Iftimie , Genevieve Raugel

The Navier-Stokes equation on Rd (d greater or equal to 3) formulated on Besov spaces is considered. Using a stochastic forward-backward differential system, the local existence of a unique solution in B_ r, with r > 1 + d is obtained. We…

偏微分方程分析 · 数学 2013-05-29 Xin Chen , Ana Bela Cruzeiro , Zhongmin Qian

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 paper, by invoking the appropriate decomposition of pressure to exploit the energy hidden in pressure, we present some new $\varepsilon$-regularity criteria for suitable weak solutions of the 3D Navier-Stokes equations at one scale:…

偏微分方程分析 · 数学 2019-06-13 Cheng He , Yanqing Wang , Daoguo Zhou

We prove short time regularity of suitable weak solutions of 3D incompressible Navier-Stokes equations near a point where the initial data is locally in $L^3$. The result is applied to the regularity problems of solutions with uniformly…

偏微分方程分析 · 数学 2018-12-31 Kyungkeun Kang , Hideyuki Miura , Tai-Peng Tsai

One proves the existence and uniqueness in $(L^p(\mathbb{R}^3))^3$, $\frac{3}{2}<p<2$, of a global mild solution to random vorticity equations associated to stochastic $3D$ Navier-Stokes equations with linear multiplicative Gaussian noise…

概率论 · 数学 2018-06-18 Viorel Barbu , Michael Röckner

In this paper, we prove the existence of a unique strong solution to a stochastic tamed 3D Navier-Stokes equation in the whole space as well as in the periodic boundary case. Then, we also study the Feller property of solutions, and prove…

概率论 · 数学 2010-08-12 Michael Röckner , Xicheng Zhang

General evolution equations in Banach spaces are investigated. Based on an operator-valued version of de Leeuw's transference principle, time-periodic $L^p$ estimates of maximal regularity type are established from $\mathscr{R}$-bounds of…

偏微分方程分析 · 数学 2022-04-26 Thomas Eiter , Mads Kyed , Yoshihiro Shibata

This paper proves a Serrin's type blow-up criterion for the 3D density-dependent Navier-Stokes-Korteweg equations with vacuum. It is shown that if the density and velocity field satisfy some Serrin's type condition, then the strong…

偏微分方程分析 · 数学 2019-05-21 Huanyuan Li

We revisit and sharpen a recent observable regularity criterion for the three-dimensional Navier-Stokes equations on the periodic cube by requiring only finitely many measurements of the flow on a given time interval. Two data models are…

偏微分方程分析 · 数学 2026-03-19 Abhishek Balakrishna , Animikh Biswas

In this paper, we first prove the global existence of strong solutions to 3-D incompressible Navier-Stokes equations with solenoidal initial data, which writes in the cylindrical coordinates is of the form: $A(r,z)\cos N\theta +B(r,z)\sin…

偏微分方程分析 · 数学 2023-05-10 Yanlin Liu , Ping Zhang

In this paper we provide a sufficient condition, in terms of the horizontal gradient of two horizontal velocity components and the gradient of liquid crystal molecular orientation field, for the breakdown of local in time strong solutions…

偏微分方程分析 · 数学 2016-05-03 Jihong Zhao

Whether the 3D incompressible Navier-Stokes equations can develop a finite time singularity from smooth initial data is one of the most challenging problems in nonlinear PDEs. In this paper, we present some new numerical evidence that the…

流体动力学 · 物理学 2022-05-30 Thomas Y. Hou

This paper is to derive a new blow-up criterion for the 2D full compressible Navier-Stokes equations without heat conduction in terms of the density $\rho$ and the pressure $P$. More precisely, it indicates that in a bounded domain the…

偏微分方程分析 · 数学 2022-10-31 Jie Fan , Quansen Jiu

This article examines the Bouton-Lie group invariants of the Navier-Stokes equation (NSE) for incompressible fluids. Bouton's theory is applied to the general scaling transformation admitted by the NSE and is used to derive all self-similar…

综合数学 · 数学 2022-08-25 J. G. Polihronov

This paper is devoted to presenting new interior regularity criteria in terms of one velocity component for weak solutions to the Navier-Stokes equations in three dimensions. It is shown that the velocity is regular near a point $z$ if its…

偏微分方程分析 · 数学 2023-01-04 Kyungkeun Kang , Dinh Duong Nguyen