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We obtain a global existence result for the three-dimensional Navier-Stokes equations with a large class of initial data allowing growth at spatial infinity. Our work is a continuation of the results by T.-P. Tsai, Z. Bradshaw, I. Kukavica…

偏微分方程分析 · 数学 2024-05-08 Misha Chernobai

An initial-boundary value problem for the 3D Zakharov-Kuznetsov equation posed on an unbounded domain is considered. Existence and uniqueness of a global regular solution as well as exponential decay of the $H^2$-norm for small initial data…

偏微分方程分析 · 数学 2017-04-18 Nikolai Larkin , Marcos Padilha

In our previous work (arXiv:2510.00812), we have shown the global existence and incompressible limit of weak solutions to the isentropic compressible magnetohydrodynamic equations involving ripped density and large initial energy in the…

偏微分方程分析 · 数学 2025-11-04 Shuai Wang , Guochun Wu , Xin Zhong

In this paper, we consider the 3D primitive equations of oceanic and atmospheric dynamics with only horizontal eddy viscosities in the horizontal momentum equations and only vertical diffusivity in the temperature equation. Global…

偏微分方程分析 · 数学 2017-03-08 Chongsheng Cao , Jinkai Li , Edriss S. Titi

The three-dimensional equations for the compressible flow of liquid crystals are considered. An initial-boundary value problem is studied in a bounded domain with large data. The existence and large-time behavior of a global weak solution…

偏微分方程分析 · 数学 2015-05-30 Dehua Wang , Cheng Yu

In this manuscript we consider an isotropic modification for the Landau equation with Coulomb potential in three space dimensions. Global in time existence of weak solutions for even initial data is shown by employing a time…

偏微分方程分析 · 数学 2017-08-08 Maria Gualdani , Nicola Zamponi

In this paper we prove the existence of weak solutions for a thermodynamically consistent phase-field model introduced in [26] in two and three dimensions of space. We use a notion of solution inspired by [18], where the pointwise internal…

偏微分方程分析 · 数学 2019-07-31 Robert Lasarzik , Elisabetta Rocca , Giulio Schimperna

We prove uniqueness and existence of the weak solutions of Euler equations with helical symmetry, with initial vorticity in $L^{\infty}$ under "no vorticity stretching" geometric constraint. Our article follows the argument of the seminal…

偏微分方程分析 · 数学 2008-02-18 Boris Ettinger , Edriss S. Titi

In this paper, we prove the existence of global weak solutions for 3D compressible Navier-Stokes equations with degenerate viscosity. The method is based on the Bresch and Desjardins entropy conservation. The main contribution of this paper…

偏微分方程分析 · 数学 2016-12-21 Alexis F. Vasseur , Cheng Yu

In this paper, we develop a universal, conceptually simple and systematic method to prove well-posedness to Cauchy problems for weak solutions of parabolic equations with non-smooth, time-dependent, elliptic part having a variational…

偏微分方程分析 · 数学 2025-06-25 Pascal Auscher , Khalid Baadi

We study the Cauchy problem for a quasilinear wave equation with low-regularity data. A space-time $L^2$ estimate for the variable coefficient wave equation plays a central role for this purpose. Assuming radial symmetry, we establish the…

偏微分方程分析 · 数学 2012-04-04 Kunio Hidano , Chengbo Wang , Kazuyoshi Yokoyama

We consider the problem of global in time existence and uniqueness of solutions of the 3-D infinite depth full water wave problem. We show that the nature of the nonlinearity of the water wave equation is essentially of cubic and higher…

偏微分方程分析 · 数学 2015-05-14 Sijue Wu

The three-dimensional quasi-geostrophic equation is considered over a cylindrical domain with a multiply connected horizontal cross-section. Homogeneous Neumann boundary conditions, tantamount to homogeneous density fields, are imposed on…

偏微分方程分析 · 数学 2026-03-10 Qingshan Chen

In an earlier work we have shown the global (for all initial data and all time) well-posedness of strong solutions to the three-dimensional viscous primitive equations of large scale oceanic and atmospheric dynamics. In this paper we show…

偏微分方程分析 · 数学 2012-10-30 Chongsheng Cao , Slim Ibrahim , Kenji Nakanishi , Edriss S. Titi

This paper considers the three dimensional Muskat problem in the stable regime. We obtain a conservation law which provides an $L^2$ maximum principle for the fluid interface. We also show global in time existence for strong and weak…

偏微分方程分析 · 数学 2019-05-02 Peter Constantin , Diego Cordoba , Francisco Gancedo , Luis Rodriguez-Piazza , Robert M. Strain

In this article, the authors prove the existence of global weak solutions to the inviscid three-dimensional quasi-geostrophic equation. This equation models the evolution of the temperature on the surface of the earth. It is widely used in…

偏微分方程分析 · 数学 2015-09-30 Marjolaine Puel , Alexis F. Vasseur

We establish the existence of global weak solutions of the 2D incompressible Euler equation, for a large class of non-smooth open sets. These open sets are the complements (in a simply connected domain) of a finite number of connected…

偏微分方程分析 · 数学 2013-01-03 David Gérard-Varet , Christophe Lacave

We establish an existence result for globally continuous weak solutions to elliptic equations of the $p$-Poisson type. This result significantly improves Theorem 8.30 in Gilbarg-Trudinger (1983) and offers a novel contribution for the…

偏微分方程分析 · 数学 2025-05-15 Takanobu Hara

We consider the Cauchy problem for the full compressible Navier-Stokes equations with vanishing of density at infinity in R3. Our main purpose is to prove the existence (and uniqueness) of global strong and classical solutions and study the…

偏微分方程分析 · 数学 2017-02-22 Huanyao Wen , Changjiang Zhu

An initial-boundary value problem with homogeneous Dirichlet boundary conditions for three-dimensional Zakharov-Kuznetsov equation is considered. Results on global existence, uniqueness and large-time decay of weak solutions in certain…

偏微分方程分析 · 数学 2015-06-26 Andrei V. Faminskii