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We prove global well-posedness of the two-dimensional exterior Navier-Stokes equations for bounded initial data with a finite Dirichlet integral, subject to the non-slip boundary condition. As an application, we construct global solutions…

Analysis of PDEs · Mathematics 2017-09-13 Ken Abe

Existence and uniqueness of solutions to the Navier-Stokes equation in dimension two with forces in the space $L^q( (0,T); \mathbf{W}^{-1,p}(\Omega))$ for $p$ and $q$ in appropriate parameter ranges are proven. The case of spatially…

Analysis of PDEs · Mathematics 2021-11-23 Eduardo Casas , Karl Kunisch

We establish local well-posedness results for the Initial Value Problem associated to the Schr\"odinger-Debye system in dimensions $N=2, 3$ for data in $H^s\times H^{\ell}$, with $s$ and $\ell$ satisfying $\max \{0, s-1\} \le \ell \le…

Analysis of PDEs · Mathematics 2012-06-22 Adan J. Corcho , Filipe Oliveira , Jorge Drumond Silva

In this paper, we consider a global wellposed problem for the 3-D incompressible anisotropic Navier-Stokes equations (\textit{ANS}). In order to do so, we first introduce the scaling invariant Besov-Sobolev type spaces,…

Analysis of PDEs · Mathematics 2009-11-13 Ting Zhang , Daoyuan Fang

We study the initial-boundary value problem of the stochastic Navier--Stokes equations in the half space. We prove the existence of weak solutions in the standard Besov space valued random processes when the initial data belong to the…

Analysis of PDEs · Mathematics 2020-12-04 Tongkeun Chang , Minsuk Yang

We study the local well-posedness of the initial-value problem for the nonlinear "good" Boussinesq equation with data in Sobolev spaces \textit{$H^s$} for negative indices of $s$.

Analysis of PDEs · Mathematics 2009-05-25 Luiz Gustavo Farah

This paper presents a new approach to the local well-posedness of the $1d$ compressible Navier-Stokes systems with rough initial data. Our approach is based on establishing some smoothing and Lipschitz-type estimates for the $1d$ parabolic…

Analysis of PDEs · Mathematics 2022-06-29 Ke Chen , Ruilin Hu , Quoc-Hung Nguyen

In this paper, we study a class of initial-boundary value problems for the Korteweg-de Vries equation posed on a bounded domain $(0,L)$. We show that the initial-boundary value problem is locally well-posed in the classical Sobolev space…

Analysis of PDEs · Mathematics 2010-12-07 Eugene Kramer , Ivonne Rivas , Bing-Yu Zhang

We prove local well-posedness of partially periodic and periodic modified KP-I equations, namely for $\partial_t u+(-1)^{\frac{l+1}{2}}\partial^l_x u-\partial_x^{-1}\partial_y^2 u+u^2\partial_x u=0$ in the anisotropic Sobolev space…

Analysis of PDEs · Mathematics 2020-11-13 Francisc Bozgan

In this paper we prove that the Navier-Stokes initial value problem (1) has a unique smooth local strong solution and if the following condition are satisfied (1) and is H\"older continuous about on, (2) The initial value

General Mathematics · Mathematics 2021-01-01 Maoting Tong , Daorong Ton

This paper presents some progress toward an open question which proposed by Tsurumi (Arch. Ration. Mech. Anal. 234:2, 2019): whether or not the stationary Navier-Stokes equations in $\R^d$ is well-posed from $\dot{B}_{p, q}^{-2}$ to…

Analysis of PDEs · Mathematics 2022-06-02 Jinlu Li , Yanghai Yu , Weipeng Zhu

First-order convergence in time and space is proved for a fully discrete semi-implicit finite element method for the two-dimensional Navier--Stokes equations with $L^2$ initial data in convex polygonal domains, without extra regularity…

Numerical Analysis · Mathematics 2021-01-19 Buyang Li , Shu Ma , Yuki Ueda

Forward self-similar and discretely self-similar weak solutions of the Navier-Stokes equations are known to exist globally in time for large self-similar and discretely self-similar initial data and are known to be regular outside of a…

Analysis of PDEs · Mathematics 2023-06-28 Zachary Bradshaw , Patrick Phelps

Considered in this work is the initial value problem (IVP) associated to a higher order water wave model \begin{equation*} \begin{cases} \eta_t+\eta_x-\gamma_1 \eta_{xxt}+\gamma_2\eta_{xxx}+\delta_1…

Analysis of PDEs · Mathematics 2024-09-10 Xavier Carvajal , Mahendra Panthee

In this paper, we investigate the existence of a unique global smooth solution to the three-dimensional incompressible Navier-Stokes equations and provide a concise proof. We establish a new global well-posedness result that allows the…

Analysis of PDEs · Mathematics 2025-03-03 Haina Li , Yiran Xu

This paper establishes a complete framework for infinitely nested logarithmic improvements to regularity criteria for the three-dimensional incompressible Navier-Stokes equations. Building upon our previous works on logarithmically improved…

Analysis of PDEs · Mathematics 2025-04-16 Rishabh Mishra

We show that the classical Cauchy problem for the incompressible 3d Navier-Stokes equations with $(-1)$-homogeneous initial data has a global scale-invariant solution which is smooth for positive times. Our main technical tools are…

Analysis of PDEs · Mathematics 2012-04-04 Hao Jia , Vladimír Šverák

The L^2 -critical defocusing nonlinear Schrodinger initial value problem on R^d is known to be locally well-posed for initial data in L^2. Hamiltonian conservation and the pseudoconformal transformation show that global well-posedness holds…

Analysis of PDEs · Mathematics 2010-01-09 P. Blue , J. Colliander

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

We show the local in time well-posedness of the Cauchy problem for the Kadomtsev-Petviashvili II equation for initial data in the non-isotropic Sobolev space H^{s_1,s_2}(R^2) with s_1 > -1/2 and s_2 \geq 0. On the H^{s_1,0}(R^2) scale this…

Analysis of PDEs · Mathematics 2007-05-23 M. Hadac