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Related papers: Uniqueness theorems for the Boussinesq system

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In this article we study some Liouville-type theorems for the stationary 3D Navier-Stokes equations. These results are related to the uniqueness of weak solutions for this system under some additional information over the velocity field,…

Analysis of PDEs · Mathematics 2023-11-14 Diego Chamorro , Gastón Vergara-Hermosilla

We establish a Liouville theorem for bounded mild ancient solutions to the axi-symmetric incompressible Navier-Stokes equations on $(-\infty, 0] \times (\mathbb{R}^2 \times \mathbb{T}^1)$. This is a step forward to completely solve the…

Analysis of PDEs · Mathematics 2019-11-06 Zhen Lei , Xiao Ren , Qi S. Zhang

In this paper, for the 3-D Navier-Stokes-Boussinesq system with horizontal dissipation, where there is no smoothing effect on the vertical derivatives, we prove a uniqueness result of solutions $ (u,\rho)\in L^{\infty}_T\big( H^{0,s}\times…

Analysis of PDEs · Mathematics 2020-12-11 Pierre Dreyfuss , Haroune Houamed

Presented is a backward uniqueness result of bounded mild solutions of 3D Navier-Stokes Equations in the whole space with non-trivial final data. A direct consequence is that a solution must be axi-symmetric in $[0, T]$ if it is so at time…

Analysis of PDEs · Mathematics 2023-11-07 Zhen Lei , Zhaojie Yang , Cheng Yuan

This is a translation from French of my paper [R. May, Extension d'une classe d'unicite pour les equations de Navier-Stokes, Ann. I. H. Poincar\'{e}-AN 27 (2010) 705-718. doi:10.1016/j.anihp.2009.11.007]. Q. Chen, C. Miao, and Z. Zhang…

Analysis of PDEs · Mathematics 2018-04-10 Ramzi May

We consider the initial problem for the Navier-Stokes equations over ${\mathbb R}^3 \times [0,T]$ with a positive time $T$ over specially constructed scale of function spaces of Bochner-Sobolev type. We prove that the problem induces an…

Analysis of PDEs · Mathematics 2021-09-14 Alexander Shlapunov , Nikolai Tarkhanov

In this paper, we consider the uniqueness of solutions to the 3d Navier-Stokes equations with initial vorticity given by $\omega_0 = \alpha e_z \delta_{x = y = 0}$, where $\delta_{x=y= 0}$ is the one dimensional Hausdorff measure of an…

Analysis of PDEs · Mathematics 2020-10-27 Jacob Bedrossian , William Golding

This paper is a continuation of [26]. Here theorems on conditional uniqueness and regularity for solutions to stochastic Navier-Stokes equations in $\mathbb R^d$ are presented.

Probability · Mathematics 2025-03-27 István Gyöngy , Nicolai V. Krylov

In this short note we address a problem raised in [21], concerning the uniqueness of solutions to Naiver Stokes equation with small initial data in $L^{3,\infty}(R^3)$, the Lorentz space. We prove uniqueness for such initial data.

Analysis of PDEs · Mathematics 2014-10-01 Hao Jia

In this paper, we investigate the Cauchy problem for the three dimensional inviscid Boussinesq system in the periodic setting. For $1\le p\le \infty$, we show that the threshold regularity exponent for $L^p$-norm conservation of temperature…

Analysis of PDEs · Mathematics 2024-06-11 Changxing Miao , Yao Nie , Weikui Ye

We study the Cauchy problem for the 3D Navier-Stokes equations, and prove some scalaring-invariant regularity criteria involving only one velocity component.

Analysis of PDEs · Mathematics 2018-07-10 Zujin Zhang

We present a set of uniform polynomial equations that provides multidimensional on-lattice higher-order models of the lattice Boltzmann theory, while keeping compact the number of discrete velocities. As examples, we explicitly derive two-…

Mathematical Physics · Physics 2020-11-10 Jae Wan Shim

We prove that the unconditional uniqueness of mild solutions to the Navier-Stokes equations fails in all the Besov spaces with negative regularity index, by constructing non-trivial stationary singular solutions via convex integration. We…

Analysis of PDEs · Mathematics 2026-03-05 Alexey Cheskidov , Hedong Hou

In this paper we establish a new uniqueness result of weak solutions for the 3D Navier-Stokes equations. Under assumption that there is not uniqueness of weak solution in singular time, we prove that if two weak solutions $u$ and $v$ of 3D…

Analysis of PDEs · Mathematics 2016-06-15 Abdelhafid Younsi

In this work we study the 3D Navier-Stokes equations, under the action of an external force and with the fractional Laplacian operator $(-\Delta)^{\alpha}$ in the diffusion term, from the point of view of variable Lebesgue spaces. Based on…

Analysis of PDEs · Mathematics 2024-07-12 Gastón Vergara-Hermosilla

The motion of two contiguous incompressible and viscous fluids is described within the diffuse interface theory by the so-called Model H. The system consists of the Navier-Stokes equations, which are coupled with the Cahn-Hilliard equation…

Analysis of PDEs · Mathematics 2024-12-10 Andrea Giorgini , Alain Miranville , Roger Temam

We address here the problem of regularity for weak solutions of the 3D Boussinesq equation. By introducing the new notion of partial suitable solutions, which imposes some conditions over the velocity field only, we show a local gain of…

Analysis of PDEs · Mathematics 2023-03-21 Diego Chamorro , Claudiu Mîndrilă

In this paper, the Cauchy problem for the three-dimensional (3-D) full compressible Navier-Stokes equations (CNS) with zero thermal conductivity is considered. First, when shear and bulk viscosity coefficients both depend on the absolute…

Analysis of PDEs · Mathematics 2023-01-18 Qin Duan , Zhouping Xin , Shengguo Zhu

We are concerned with bilinear estimates and uniqueness of mild solutions for the Navier-Stokes equations in critical spaces. For that, we construct general settings in which estimates for the bilinear term of the mild formulation hold true…

Analysis of PDEs · Mathematics 2024-04-30 Lucas C. F. Ferreira , Jhean E. Pérez-López , Julio C. Valencia-Guevara

In this paper we establish some regularity criteria for the 3D Boussinesq system with the temperature-dependent viscosity and thermal diffusivity. We also obtain some uniform estimates for the corresponding 2D case when the fluid viscosity…

Analysis of PDEs · Mathematics 2014-07-25 Jishan Fan , Fucai Li , Gen Nakamura