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Related papers: On the global existence for the axisymmetric Euler…

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We analyze the Cauchy problem for symmetric hyperbolic equations with a time singularity of Fuchsian type and establish a global existence theory along with decay estimates for evolutions towards the singular time under a small initial data…

Analysis of PDEs · Mathematics 2021-06-01 Florian Beyer , Todd A. Oliynyk , J. Arturo Olvera-Santamaría

We study the three-dimensional isothermal Euler equations with linear damping and an exterior potential. For sufficiently large damping, we prove global well-posedness for arbitrarily large initial data by combining a parabolic comparison…

Analysis of PDEs · Mathematics 2025-09-30 Young-Pil Choi , Houzhi Tang , Weiyuan Zou

We prove the global well-posedness of the critical dissipative quasi-geostrophic equation for large initial data belonging to the critical Besov space $\dot B^0_{\infty,1}(\RR^2).$

Analysis of PDEs · Mathematics 2007-05-23 Hamadi Abidi , Taoufik Hmidi

A d-dimensional spacetime is "axisymmetric" if it possesses an SO(d-2) isometry group whose orbits are (d-3)-spheres. In this paper, algebraically special, axisymmetric solutions of the higher dimensional vacuum Einstein equation (with…

General Relativity and Quantum Cosmology · Physics 2009-11-19 Mahdi Godazgar , Harvey S. Reall

In this paper, we consider the global well-posedness problem of the isentropic compressible Navier-Stokes equations in the whole space $\R^N$ with $N\ge2$. In order to better reflect the characteristics of the dispersion equation, we make…

Analysis of PDEs · Mathematics 2016-08-24 Daoyuan Fang , Ting Zhang , Ruizhao Zi

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…

Analysis of PDEs · Mathematics 2019-08-07 Hammadi Abidi , Guilong Gui

In the paper, we consider the initial value problem to the higher dimensional Euler equations in the whole space. Based on the new technical which is developed in \cite{Li2}, we proved that the data-to-solution map of this problem is not…

Analysis of PDEs · Mathematics 2020-01-13 Jinlu Li , Yanghai Yu , Weipeng Zhu

This paper aims to establish the global existence of strong solutions to a non-isothermal ideal gas model. We first show global well-posedness in the Sobolev space $H^2(\mathbb{R}^3)$ by using energy estimates. We then prove the global…

Analysis of PDEs · Mathematics 2022-03-17 Bin Han , Ning-An Lai , Andrei Tarfulea

In this paper, we prove global regularity for all smooth, axisymmetric, swirl-free solutions of the Euler equation in four dimensions. Previous works establishing global regularity for certain axisymmetric, swirl-free solutions of the Euler…

Analysis of PDEs · Mathematics 2026-04-15 Evan Miller

In this note we prove global well-posedness for the defocusing, cubic nonlinear Schr{\"o}dinger equation with initial data lying in a critical Sobolev space.

Analysis of PDEs · Mathematics 2020-04-22 Benjamin Dodson

We prove global existence of the $3D$ relativistic Vlasov-Maxwell system for a class of arbitrary large regular initial data with spherical symmetry, in which the initial distribution function of particles is assumed to decay fast but…

Analysis of PDEs · Mathematics 2022-03-04 Xuecheng Wang

We establish rigorously the existence of a three-parameter family of self-similar,globally bounded, and continuous weak solutions in two space dimensions to the compressible Euler equations with axisymmetry for gamma-law polytropic gases…

Analysis of PDEs · Mathematics 2007-05-23 Yuxi Zheng , Tong Zhang

The global existence of weak solutions for the three-dimensional axisymmetric Euler-$\alpha$ (also known as Lagrangian-averaged Euler-$\alpha$) equations, without swirl, is established, whenever the initial unfiltered velocity $v_0$…

Analysis of PDEs · Mathematics 2009-07-15 Quansen Jiu , Dongjuan Niu , Edriss S. Titi , Zhouping Xin

An important problem in gas and fluid dynamics is to understand the behavior of vacuum states, namely the behavior of the system in the presence of vacuum. In particular, physical vacuum, in which the boundary moves with a nontrivial finite…

Analysis of PDEs · Mathematics 2010-05-26 Juhi Jang , Nader Masmoudi

We consider the Cauchy problem to the 3D barotropic compressible Navier-Stokes equation. We prove global well-posedness, assuming that the initial data $(\rho_0-1,u_0)$ has small norms in the critical Besov space…

Analysis of PDEs · Mathematics 2025-09-23 Zihua Guo , Zihao Song , Minghua Yang

This paper provides results on local and global existence for a class of solutions to the Euler equations for an incompressible, inviscid fluid. By considering a class of solutions which exhibits a characteristic growth at infinity we…

Analysis of PDEs · Mathematics 2009-02-27 Ralph Saxton , Feride Tiglay

This paper concerns the well-posedness theory of the motion of physical vacuum for the compressible Euler equations with or without self-gravitation. First, a general uniqueness theorem of classical solutions is proved for the three…

Analysis of PDEs · Mathematics 2014-08-04 Tao Luo , Zhouping Xin , Huihui Zeng

The Euler-Maxwell system describes the evolution of a plasma when the collisions are important enough that each species is in a hydrodynamic equilibrium. In this paper we prove global existence of small solutions to this system set in the…

Analysis of PDEs · Mathematics 2011-07-11 Pierre Germain , Nader Masmoudi

The spherically symmetric Einstein-Vlasov system in Schwarzschild coordinates (i.e. polar slicing and areal radial coordinate) is considered. An improved continuation criterion for global existence of classical solutions is given. Two other…

General Relativity and Quantum Cosmology · Physics 2011-08-04 Hakan Andreasson

We consider the three-dimensional incompressible Euler equations in Sobolev conormal spaces and establish local-in-time existence and uniqueness in the half-space or channel. The initial data is Lipschitz having four square-integrable…

Analysis of PDEs · Mathematics 2024-07-26 Mustafa Sencer Aydın , Igor Kukavica