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In this paper, we study the 3D axi-symmetric Navier-Stokes Equations with swirl. We prove the global regularity of the 3D Navier-Stokes equations for a family of large anisotropic initial data. Moreover, we obtain a global bound of the…

偏微分方程分析 · 数学 2009-01-24 Thomas Y. Hou , Zhen Lei , Congming Li

We consider the initial value problem for the inviscid Primitive and Boussinesq equations in three spatial dimensions. We recast both systems as an abstract Euler-type system and apply the methods of convex integration of De Lellis and…

偏微分方程分析 · 数学 2017-04-05 Elisabetta Chiodaroli , Martin Michálek

Master character of the multidimensional homogeneous Euler equation is discussed. It is shown that under restrictions to the lower dimensions certain subclasses of its solutions provide us with the solutions of various hydrodynamic type…

可精确求解与可积系统 · 物理学 2021-05-26 B. G. Konopelchenko , G. Ortenzi

This article is a guide to theorems on existence and global dynamics of solutions of the Einstein equations. It draws attention to open questions in the field. The local-in-time Cauchy problem, which is relatively well understood, is…

广义相对论与量子宇宙学 · 物理学 2015-06-25 Alan D. Rendall

We consider the $\alpha$-Euler equations on a bounded three-dimensional domain with frictionless Navier boundary conditions. Our main result is the existence of a strong solution on a positive time interval, uniform in $\alpha$, for…

偏微分方程分析 · 数学 2015-09-08 A. V. Busuioc , D. Iftimie , M. C. Lopes Filho , H. J. Nussenzveig Lopes

We establish long-time existence of smooth solutions to the 2D ideal Boussinesq equations and to the 2D non-homogeneous incompressible Euler equations for initial data consisting of small temperature perturbations, or small density…

偏微分方程分析 · 数学 2025-07-25 Hantaek Bae , Milton Lopes Filho , Anna Mazzucato , Helena Nussenzveig Lopes

After reformulate the incompressible Euler-$\alpha$ equations in 3D smooth domain with Drichlet data, we obtain the unique classical solutions to Euler-$\alpha$ equations exist in uniform time interval independent of $\alpha$. We also show…

偏微分方程分析 · 数学 2016-04-19 Aibin Zang

This paper investigates the global dynamics of the Euler--Riesz system in three dimensions, focusing on the well-posedness and large-time behavior of solutions near equilibrium. The system generalizes classical interactions by incorporating…

偏微分方程分析 · 数学 2024-12-31 Young-Pil Choi , Jinwook Jung , Yoonjung Lee

In this paper we prove that the cubic wave equation is globally well - posed and scattering for radial initial data lying in a slightly supercritical Sobolev space, and a weighted Sobolev space.

偏微分方程分析 · 数学 2018-10-31 Benjamin Dodson

We establish the global existence and the asymptotic behavior for the 2D incompressible isotropic elastodynamics for sufficiently small, smooth initial data in the Eulerian coordinates formulation.The main tools used to derive the main…

偏微分方程分析 · 数学 2016-11-17 Xuecheng Wang

We prove that small smooth irrotational but charged perturbations of a constant background are global and go back to equilibrium in the 3D electron Euler-Poissson equation.

偏微分方程分析 · 数学 2012-04-09 Pierre Germain , Nader Masmoudi , Benoit Pausader

We study the Cauchy problem for the cubic nonlinear Schroedinger equation, perturbed by (higher order) dissipative nonlinearities. We prove global in-time existence of solutions for general initial data in the energy space. In particular we…

偏微分方程分析 · 数学 2009-11-24 Paolo Antonelli , Christof Sparber

Hodograph equations for the Euler equation in curved spaces with constant pressure are discussed. It is shown that the use of known results concerning geodesics and associated integrals allows to construct several types of hodograph…

数学物理 · 物理学 2025-04-15 B. G. Konopelchenko , G. Ortenzi

While it is well known that constant rotation induces linear dispersive effects in various fluid models, we study here its effect on long time nonlinear dynamics in the inviscid setting. More precisely, we investigate stability in the 3d…

偏微分方程分析 · 数学 2020-11-13 Yan Guo , Chunyan Huang , Benoit Pausader , Klaus Widmayer

This paper is devoted to the study of relativistic Vlasov-Maxwell system in three space dimension. For a class of large initial data, we prove the global existence of classical solution with sharp decay estimate. The initial Maxwell field…

偏微分方程分析 · 数学 2021-02-24 Dongyi Wei , Shiwu Yang

The work deals with the Ericksen-Leslie System for nematic liquid crystals on the whole space. In our work we suppose the initial condition of the orientation field stays on an arc connecting two fixed orthogonal vectors on the unit sphere.…

偏微分方程分析 · 数学 2023-05-24 Daniele Barbera , Vladimir Georgiev

For axisymmetric evolution of isolated systems, we prove that there exists a gauge such that the total mass can be written as a positive definite integral on the spacelike hypersurfaces of the foliation and the integral is constant along…

广义相对论与量子宇宙学 · 物理学 2010-12-02 Sergio Dain

Systems of Vlasov-Poisson type are kinetic models describing dilute plasma. The structure of the model differs according to whether it describes the electrons or positively charged ions in the plasma. In contrast to the electron case, where…

偏微分方程分析 · 数学 2021-05-27 Megan Griffin-Pickering , Mikaela Iacobelli

In this paper, we study the global solvability of the density-dependent incompressible Euler equations, supplemented with a damping term of the form $ \mathfrak{D}_{\alpha}^{\gamma}(\rho, u) = \alpha \rho^{\gamma} u $, where $\alpha>0$ and…

偏微分方程分析 · 数学 2025-03-06 Marco Bravin , Francesco Fanelli

We prove the non-uniform continuity of the data-to-solution map of the incompressible Euler equations in Besov spaces $B_{p,q}^{s}$, where the parameters $p, q$ and $s$ considered here are such that the local existence and uniqueness result…

偏微分方程分析 · 数学 2019-11-12 Jose Pastrana