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We are concerned with the barotropic compressible Navier-Stokes equations on the real line. Our primary goal is to establish the global well-posedness in a critical regularity framework in the case where the initial data are small…

Analysis of PDEs · Mathematics 2026-03-17 Raphaël Danchin

For the 2D incompressible Navier-Stokes equations, with given hypothetical non smooth data at time $T > 0 $that may not correspond to an actual solution at time $T$, a previously developed stabilized backward marching explicit leapfrog…

Numerical Analysis · Mathematics 2024-11-25 Alfred S. Carasso

The present paper is motivated by recent mathematical work on the incompressible Euler and Navier-Stokes equations, partly having physically problematic results and unrealistic expectations. The Euler and Navier-Stokes equations are…

Fluid Dynamics · Physics 2015-06-16 Peter Stubbe

We prove some smoothing effects for the 3-D Navier-Stokes equations for initial data belonging to the critical Sobolev space $H^{1/2}(\R^3)$. Asymptotic behavior of the global solution when the time goes to infinity is studied. We also…

Analysis of PDEs · Mathematics 2008-07-01 Jamel Benameur

It is known that there has been classified for all $(-1)$-homogeneous axisymmetric no-swirl solutions of the three-dimensional Navier-Stokes equations with a possible singular ray. The main purpose of this paper is to show that the least…

Analysis of PDEs · Mathematics 2023-04-05 Zhiwen Zhao , Xiaoxin Zheng

We consider the 3D isentropic compressible Navier-Stokes equations with degenerate viscousities and vacuum. The degenerate viscosities $\mu(\rho)$ and $\lambda(\rho)$ are proportional to some power of density, while the powers of density in…

Analysis of PDEs · Mathematics 2024-09-30 Yachun Li , Shaojun Yu

This paper discussed the existence and uniqueness of the smoothing solution of the Navier-Stokes equations. At first, we construct the theory of the linear equations which is about the unknown four variables functions with constant…

Analysis of PDEs · Mathematics 2011-06-23 Jianfeng Wang

We study the Boltzmann equation on the $d$-dimensional torus in a perturbative setting around a global equilibrium under the Navier-Stokes linearisation. We use a recent functional analysis breakthrough to prove that the linear part of the…

Mathematical Physics · Physics 2020-08-07 Marc Briant , Sara Merino-Aceituno , Clément Mouhot

We investigate the decay properties of smooth axially symmetric D-solutions to the steady Navier-Stokes equations. The achievements of this paper are two folds. One is improved decay rates of $u_{\th}$ and $\na {\bf u}$, especially we show…

Analysis of PDEs · Mathematics 2016-11-29 Shangkun Weng

In this paper, we study a free boundary problem for compressible spherically symmetric Navier-Stokes equations without a solid core. Under certain assumptions imposed on the initial data, we obtain the global existence and uniqueness of the…

Analysis of PDEs · Mathematics 2007-06-13 Ting Zhang , Daoyuan Fang

Onsager's conjecture for the 3D Navier-Stokes equations concerns the validity of energy equality of weak solutions with regards to their smoothness. In this note we establish energy equality for weak solutions in a large class of function…

Analysis of PDEs · Mathematics 2018-03-22 Alexey Cheskidov , Xiaoyutao Luo

Different authors had received a lot of results regarding the Euler and Navier-Stokes equations. Existence and smoothness of solution for the Navier-Stokes equations in two dimensions have been known for a long time. Leray showed that the…

Analysis of PDEs · Mathematics 2013-09-03 A. Tsionskiy , M. Tsionskiy

We prove the existence of small amplitude, time-quasi-periodic solutions (invariant tori) for the incompressible Navier-Stokes equation on the $d$-dimensional torus $\T^d$, with a small, quasi-periodic in time external force. We also show…

Analysis of PDEs · Mathematics 2020-05-28 Riccardo Montalto

Some known results regarding the Euler and Navier-Stokes equations were obtained by different authors. Existence and smoothness of solutions for the Navier-Stokes equations in two dimensions have been known for a long time. Leray showed…

Analysis of PDEs · Mathematics 2011-09-27 A. Tsionskiy , M. Tsionskiy

In this paper, we study the large time behavior of the 3-D isentropic compressible Navier-Stokes equation in the partial space-periodic domains, and simultaneously show that the related profile systems can be described by like Navier-Stokes…

Analysis of PDEs · Mathematics 2014-09-03 Yin Huicheng , Zhang Lin , Zhu Lu

Our aim is to prove Liouville type theorems for the three dimensional steady-state Navier-Stokes equations provided the velocity field belongs to some Lorentz spaces. The corresponding statement contains several known results as a…

Analysis of PDEs · Mathematics 2018-05-08 G. Seregin , W. Wang

We introduce a concept of space-time holomorphic solutions of partial differential equations and construct a meromorphic solution of Navier-Stokes equations.

Analysis of PDEs · Mathematics 2013-09-03 Eugene Tsyganov

In this paper, we consider the generalized Navier-Stokes equations with fritional dissipation $(-\Delta)^{\beta}$ with $\beta>\frac{1}{2}$. When $\beta\in(1,2)$, We prove that smooth solutions of the generalized Navier-Stokes equations are…

Analysis of PDEs · Mathematics 2026-05-29 Zipeng Chen , Song Liu , Zhaoyang Yin

In the classical work [FK], Fujita and Kato established the local existence of solutions to the 3D Navier-Stokes equations in the critical $\mathbb{H}^{1/2}$-space. In this paper, we are concerned with the global well-posedness of the…

Probability · Mathematics 2026-03-10 Wei Hong , Shihu Li , Wei Liu

We have developed dynamic manifold solutions for the Navier-Stokes equations using an extension of differential geometry called the calculus for moving surfaces. Specifically, we have shown that the geometric solutions to the Navier-Stokes…

Analysis of PDEs · Mathematics 2024-05-27 David V. Svintradze