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For the physical vacuum free boundary problem with the sound speed being $C^{{1}/{2}}$-H$\ddot{\rm o}$lder continuous near vacuum boundaries of the one-dimensional compressible Euler equations with damping, the global existence of the…

Analysis of PDEs · Mathematics 2014-08-01 Tao Luo , Huihui Zeng

We prove the global well-posedness and scattering for the 3D incompressible Euler-Coriolis system with sufficiently small, regular and suitably localized initial data. Equivalently, we obtain the asymptotic stability for "rigid body"…

Analysis of PDEs · Mathematics 2024-08-14 Xiao Ren , Gang Tian

The Euler-Korteweg equations are a modification of the Euler equations that takes into account capillary effects. In the general case they form a quasi-linear system that can be recast as a degenerate Schr\"odinger type equation. Local…

Analysis of PDEs · Mathematics 2017-03-08 Corentin Audiard , Boris Haspot

We construct a class of global, dynamical solutions to the 3d Euler equations near the stationary state given by uniform "rigid body" rotation. These solutions are axisymmetric, of Sobolev regularity, have non-vanishing swirl and scatter…

Analysis of PDEs · Mathematics 2022-10-10 Yan Guo , Benoit Pausader , Klaus Widmayer

Under a natural stability condition on the pressure, it is known that for small irrotational initial data, the solutions of the Euler-Korteweg system are global in time. When the initial velocity has a small rotational part, we obtain a…

Analysis of PDEs · Mathematics 2019-06-05 Corentin Audiard

For the physical vacuum free boundary problem with the sound speed being $C^{{1}/{2}}$-H$\ddot{\rm o}$lder continuous near vacuum boundaries of the three-dimensional compressible Euler equations with damping, the global existence of…

Analysis of PDEs · Mathematics 2014-10-31 Huihui Zeng

In this paper, the smooth solution of the physical vacuum problem for the one dimensional compressible Euler equations with time-dependent damping is considered. Near the vacuum boundary, the sound speed is $C^{1/2}$-H\"{o}lder continuous.…

Analysis of PDEs · Mathematics 2022-08-08 Xinghong Pan

Consider, in dimension 3, a system of coupled Klein-Gordon equations with different speeds, and an arbitrary quadratic nonlinearity. We show, for data which are small, smooth, and localized, that a global solution exists, and that it…

Analysis of PDEs · Mathematics 2010-05-31 Pierre Germain

We consider the isentropic Navier-Stokes-Korteweg equations with a non-decreasing pressure on the whole space $\mathbb{R}^n$ $(n \ge 2)$, where the system describes the motion of compressible fluids such as liquid-vapor mixtures with phase…

Analysis of PDEs · Mathematics 2019-12-25 Keiichi Watanabe

We are concerned with a system of equations in $\mathbb{R}^{d}(d\geq2)$ governing the evolution of isothermal, viscous and compressible fluids of Korteweg type, that can be used as a phase transition model. In the case of zero sound speed…

Analysis of PDEs · Mathematics 2023-07-14 Zihao Song , Jiang Xu

We prove the existence of a wide class of solutions to the isentropic relativistic Euler equations in 2 spacetime dimensions with an equation of state of the form $p=K\rho^2$ that have a fluid vacuum boundary. Near the fluid vacuum…

General Relativity and Quantum Cosmology · Physics 2013-10-11 Todd A. Oliynyk

In this paper we are concerned with the global existence of smooth solutions to the turbulent flow equations for compressible flows in $\mathbb{R}^3$. The global well-posedness is proved under the condition that the initial data are close…

Analysis of PDEs · Mathematics 2012-04-10 Dongfen Bian , Boling Guo

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.

Analysis of PDEs · Mathematics 2012-04-09 Pierre Germain , Nader Masmoudi , Benoit Pausader

We prove small data global existence and scattering for quasilinear systems of Klein-Gordon equations with different speeds, in dimension three. As an application, we obtain a robust global stability result for the Euler-Maxwell equations…

Analysis of PDEs · Mathematics 2012-08-14 Alexandru D. Ionescu , Benoit Pausader

We construct global dissipative solutions on the torus of dimension at most three of the defocusing isothermal Euler-Langevin-Korteweg system, which corresponds to the Euler-Korteweg system of compressible quantum fluids with an isothermal…

Analysis of PDEs · Mathematics 2020-10-15 Quentin Chauleur

In this paper, we consider the compressible fluid model of Korteweg type in a critical case where the derivative of pressure equals to $0$ at the given constant state. It is shown that the system admits a unique, global strong solution for…

Analysis of PDEs · Mathematics 2020-09-08 Takayuki Kobayashi , Miho Murata

We perturb the 3D Euler equations by a particular non-linear Stratonovich noise. We show the existence and uniqueness of a global-in-time (i.e. no blow-up) smooth solution. The result is a corollary of a more general theorem valid in an…

Probability · Mathematics 2024-04-16 Marco Bagnara

We consider the Cauchy problem to the 3D fractional Schr\"odinger equation with quadratic interaction of $u\bar u$ type. We prove the global existence of solutions and scattering properties for small initial data. For the proof, one novelty…

Analysis of PDEs · Mathematics 2026-01-14 Zihua Guo , Naijia Liu , Liang Song

For the three-dimensional vacuum free boundary problem with physical singularity that the sound speed is $C^{ {1}/{2}}$-H$\ddot{\rm o}$lder continuous across the vacuum boundary of the compressible Euler equations with damping, without any…

Analysis of PDEs · Mathematics 2020-10-28 Huihui Zeng

We study the scattering behavior of global solutions to stochastic nonlinear Schr\"odinger equations with linear multiplicative noise. In the case where the quadratic variation of the noise is globally finite and the nonlinearity is…

Probability · Mathematics 2019-05-22 Sebastian Herr , Michael Röckner , Deng Zhang
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