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Related papers: Well-posedness in Gevrey space for the Prandtl equ…

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We establish linearized well-posedness of the Triple-Deck system in Gevrey-$\frac32$ regularity in the tangential variable, under concavity assumptions on the background flow. Due to the recent result \cite{DietertGV}, one cannot expect a…

Analysis of PDEs · Mathematics 2023-08-09 David Gerard-Varet , Sameer Iyer , Yasunori Maekawa

We address the local well-posedness of the hydrostatic Navier-Stokes equations. These equations, sometimes called reduced Navier-Stokes/Prandtl, appear as a formal limit of the Navier-Stokes system in thin domains, under certain constraints…

Analysis of PDEs · Mathematics 2018-04-13 David Gerard-Varet , Nader Masmoudi , Vlad Vicol

In this paper, we consider the local well-posedness of the Prandtl boundary layer equations that describe the behavior of boundary layer in the small viscosity limit of the compressible isentropic Navier-Stokes equations with non-slip…

Analysis of PDEs · Mathematics 2014-07-15 Ya-Guang Wang , Feng Xie , Tong Yang

In a recent result of Gerard-Varet and Dormy [5], they established ill-posedness for the Cauchy problem of the linearized Prandtl equation around non-monotic special solution which is independent of x and satisfies the heat equation. In [6]…

Analysis of PDEs · Mathematics 2016-11-25 Ding Yutao

Motivated by \cite{DG19}, we prove the global existence and large time behavior of small solutions to 2-D Prandtl system for data with Gevrey 2 regularity in the $x$ variable and Sobolev regularity in the $y$ variable. In particular, we…

Analysis of PDEs · Mathematics 2021-03-02 Chao Wang Yuxi Wang , Ping Zhang

In this paper, we consider the local existence and uniqueness result for the inhomogeneous Prandtl equations in dimension two by energy method. First of all, for the homogeneous case, the local-in-time well-posedness theory of unsteady…

Analysis of PDEs · Mathematics 2024-03-19 Jincheng Gao , Lianyun Peng , Zheng-an Yao

This paper is concerned with the initial value problem for a system of one-dimensional fourth-order dispersive partial differential equations on the torus with nonlinearity involving derivatives up to second order. This paper gives…

Analysis of PDEs · Mathematics 2024-11-04 Eiji Onodera

In this paper, we are concerned with the local and global existence for the stochastic Prandtl equation in two and three dimensions, which governs the velocity field inside the boundary layer that appears in the inviscid limit of the…

Analysis of PDEs · Mathematics 2024-08-09 Ya-Guang Wang , Meng Zhao

We investigate the Prandtl-Shercliff model in both two and three dimensions. For the two-dimensional case, we establish global-in-time well-posedness in Sobolev spaces without any structural assumptions on the initial data. Furthermore, we…

Analysis of PDEs · Mathematics 2025-11-05 Wei-Xi Li , Zhan Xu , Anita Yang

In this paper we study the well-posedness of the Cauchy problem for first order hyperbolic systems with constant multiplicities and with low regularity coefficients depending just on the time variable. We consider Zygmund and log-Zygmund…

Analysis of PDEs · Mathematics 2014-04-21 Ferruccio Colombini , Daniele Del Santo , Francesco Fanelli , Guy Métivier

The well-posedness of the three space dimensional Prandtl equations is studied under some constraint on its flow structure. It reveals that the classical Burgers equation plays an important role in determining this type of flow with special…

Analysis of PDEs · Mathematics 2014-05-27 Cheng-Jie Liu , Ya-Guang Wang , Tong Yang

The properties of solutions to Navier-Stokes equations, including well-posedness and Gevrey regularity, are a class of highly interesting problems. We are inspired by the location result on Triebel-Lizorkin-Lorentz space of Hobus and Saal…

Analysis of PDEs · Mathematics 2025-11-07 Qixiang Yang , Hongwei Li

Building on results developed in https://doi.org/10.48550/arXiv.2404.14902, where It\^{o}-SDEs with possibly degenerate and discontinuous dispersion coefficient and measurable drift were analyzed with respect to a given (sub-)invariant…

Probability · Mathematics 2024-05-21 Haesung Lee , Gerald Trutnau

This paper is concerned with existence, uniqueness and stability of the solution for the 3D Prandtl equation in a polynomial weighted Sobolev space. The main novelty of this paper is to directly prove the long time well-posedness to 3D…

Analysis of PDEs · Mathematics 2025-08-26 Yuming Qin , Junchen Liu

In the lines of a recent paper by Gerard-Varet and Dormy, we establish various ill-posedness results for the Prandtl equation. By considering perturbations of stationary shear flows, we show that for some linearizations of the Prandtl…

Analysis of PDEs · Mathematics 2010-08-04 David Gerard-Varet , Toan Nguyen

We establish local well-posedness in Sobolev spaces $H^s(\mathbb{T})$, with $s\geq -1/2$, for the initial value problem issues of the equation $$ u_t + u_{xxx}+\eta Lu + uu_x=0;\; x\in \mathbb{T},\; t\geq0, $$ where $\eta >0$,…

Analysis of PDEs · Mathematics 2013-03-25 Xavier Carvajal , Ricardo Pastran

In this paper we consider the supercritical generalized Korteweg-de Vries equation $\partial_t\psi + \partial_{xxx}\psi + \partial_x(|\psi|^{p-1}\psi) = 0$, where $5\leq p\in\R$. We prove a local well-posedness result in the homogeneous…

Analysis of PDEs · Mathematics 2014-01-24 Nils Strunk

In this paper, we study the two-dimensional compressible magneto-micropolar boundary layer equations on the half-plane, which are derived from 2D compressible magneto-micropolar fluid equations with the non-slip boundary condition on…

Analysis of PDEs · Mathematics 2025-04-17 Yuming Qin , Junchen Liu

The decaying speed of a single norm more truly reflects the intrinsic harmonic analysis structure of the solution of the classical incompressible Navier-Stokes equations. No previous work has been able to establish the well-posedness under…

Analysis of PDEs · Mathematics 2021-09-20 Qixiang Yang , Huoxiong Wu , Jianxun He , Zhenzhen Lou

We consider the Cauchy problem for an equation of the form \partial_t+\partial_x^3)u=F(u,u_x,u_{xx}) where F is a polynomial with no constant or linear terms and no quadratic uu_{xx} term. For a polynomial nonlinearity with no quadratic…

Analysis of PDEs · Mathematics 2013-06-26 Benjamin Harrop-Griffiths