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We study the initial-boundary value problem of the stochastic Navier--Stokes equations in the half space. We prove the existence of weak solutions in the standard Besov space valued random processes when the initial data belong to the…

偏微分方程分析 · 数学 2020-12-04 Tongkeun Chang , Minsuk Yang

This paper considers the supercritical Navier-Stokes equations posed in the whole space $\R^d$, with suitably randomized initial data, in the weak solution setting. The global weak solutions are constructed for a large set of initial data…

偏微分方程分析 · 数学 2013-10-29 Robin Ming Chen , Dehua Wang , Song Yao , Cheng Yu

We study the finite time blow up of smooth solutions to the Compressible Navier-Stokes system when the initial data contain vacuums. We prove that any classical solutions of viscous compressible fluids without heat conduction will blow up…

偏微分方程分析 · 数学 2012-04-17 Xin Zhouping , Yan Wei

We establish the existence and uniqueness of local strong solutions to the Navier-Stokes equations with arbitrary initial data and external forces in the homogeneous Besov-Morrey space. The local solutions can be extended globally in time…

偏微分方程分析 · 数学 2019-06-10 Boling Guo , Guoquan Qin

In this paper, we will prove a new result that guarantees the global existence of solutions to the Navier--Stokes equation in three dimensions when the initial data is sufficiently close to being two dimensional. This result interpolates…

偏微分方程分析 · 数学 2020-09-07 Evan Miller

In the paper, we have introduced the notion of mild bounded ancient solutions to the Navier-Stokes equations in a half space. They play a certain role in understanding whether or not solutions to the initial boundary value problem for the…

偏微分方程分析 · 数学 2013-02-04 G. Seregin , V. Sverak

We examine the so-called micropolar equations in three dimensional cylindrical domains under Navier boundary conditions. These equations form a generalization of the ordinary incompressible Navier-Stokes model, taking the structure of the…

偏微分方程分析 · 数学 2013-02-20 B. Nowakowski

We study the dyadic model of the Navier-Stokes equations introduced by Katz and Pavlovi\'c. They showed a finite time blow-up in the case where the dissipation degree $\alpha$ is less than 1/4. In this paper we prove the existence of weak…

偏微分方程分析 · 数学 2007-05-23 Alexey Cheskidov

This is the first of two papers concerning the asymptotic behavior of the incompressible Navier-Stokes equations in a half-space at high Reynolds numbers, with initial data given by a point vortex. In the present work, we establish the…

偏微分方程分析 · 数学 2026-04-08 Chao Wang , Jingchao Yue , Zhifei Zhang

We consider mild solutions to the Navier-Stokes initial-value problem which belong to certain ranges…

偏微分方程分析 · 数学 2023-05-09 Joseph P. Davies , Gabriel S. Koch

We introduce a notion of global weak solution to the Navier-Stokes equations in three dimensions with initial values in the critical homogeneous Besov spaces $\dot{B}^{-1+\frac{3}{p}}_{p,\infty}$, $p > 3$. These solutions satisfy a certain…

偏微分方程分析 · 数学 2018-11-14 Dallas Albritton , Tobias Barker

The initial value problem of the incompressible Navier-Stokes equations with non-zero forces in $L^{n,\infty}(\mathbb{R}^n)$ is investigated. Even though the Stokes semigroup is not strongly continuous on $L^{n,\infty}(\mathbb{R}^n)$, with…

偏微分方程分析 · 数学 2018-04-03 Takahiro Okabe , Yohei Tsutsui

It is proved that there exists a local-in-time solution $u\in C([0,T),bmo(\mathbb{R}^d)^d)$ of the Navier-Stokes equations such that every $u(t)$ has an analytic extension on a complex domain whose size only depends on $t$ (and increases…

偏微分方程分析 · 数学 2021-03-10 Liaosha Xu

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 concerns the barotropic compressible Navier-Stokes equations in a two-dimensional half-space subject to Navier-slip boundary conditions with vacuum or non-vacuum far-field density. The global existence and large-time behavior of…

偏微分方程分析 · 数学 2026-05-29 Qinghao Lei , Weirong Liang

This paper is essentially a translation from French of my article \cite{M1} published in 2003. Let $u\in C([0,T^{\ast}[;L^{3}(\mathbb{R}% ^{3})) $ be a maximal solution of the Navier-Stokes equations. We prove that $u$ is $C^{\infty}$ on…

偏微分方程分析 · 数学 2009-08-12 Ramzi May

We construct self-similar solutions to the three dimensional Navier-Stokes equations for divergence free, self-similar initial data that can be large in the critical Besov space $\dot B^{-1+3/p}_{p,\infty}$ where $3< p< 6$. We also…

偏微分方程分析 · 数学 2018-01-25 Zachary Bradshaw , Tai-Peng Tsai

Without any smallness assumption, we prove the global unique solvability of the 2-D incompressible inhomogeneous Navier-Stokes equations with initial data in the critical Besov space, which is almost the energy space in the sense that they…

偏微分方程分析 · 数学 2019-08-07 Hammadi Abidi , Guilong Gui

The Navier--Stokes equation in the bidimensional torus is considered, with initial velocity and forcing term in suitable Besov spaces. Results of local existence and uniqueness are proven; under further restriction on the indexes defining…

偏微分方程分析 · 数学 2009-09-29 Z. Brzezniak , B. Ferrario

We construct a solution to the spatially periodic $d$-dimensional Navier-Stokes equations with a given distribution of the initial data. The solution takes values in the Sobolev space $H^\alpha$, where the index $\alpha\in R$ is fixed…

偏微分方程分析 · 数学 2016-03-15 Evelina Shamarova