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We investigate the initial-boundary value problem for the Stokes system in the half-space, within the framework of weighted Lebesgue spaces. Introducing a new weight function defined via a product of powers of distances from fixed points,…

Analysis of PDEs · Mathematics 2025-10-14 Angelica Pia Di Feola , Vittorio Pane

We investigate Runge-type approximation theorems for solutions to the 3D unsteady Stokes system. More precisely, we establish that on any compact set with connected complement, local smooth solutions to the 3D unsteady Stokes system can be…

Analysis of PDEs · Mathematics 2024-09-02 Mitsuo Higaki , Franck Sueur

We consider the incompressible Navier-Stokes (NS) equations on a torus, in the setting of the spaces L^2 and H^1; our approach is based on a general framework for semi- or quasi-linear parabolic equations proposed in the previous work [9].…

Analysis of PDEs · Mathematics 2011-02-18 Carlo Morosi , Livio Pizzocchero

This paper develops a new approach to show the maximal regularity theorem of the Stokes equations with free boundary conditions in the half-space $\mathbb R^d_+$, $d \ge 2$, within the $L_1$-in-time and $\mathcal B^s_{q, 1}$-in-space…

Analysis of PDEs · Mathematics 2025-01-28 Yoshihiro Shibata , Keiichi Watanabe

The aim of this work is to analyze the finite element approximation of the two-dimensional stationary Navier-Stokes equations with non-smooth Dirichlet boundary data. The discrete approximation is obtained by considering the Navier-Stokes…

Numerical Analysis · Mathematics 2026-02-09 María Gabriela Armentano , Mauricio Mendiluce

In this paper, we investigate Cauchy problem of the two-dimensional full Maxwell-Navier-Stokes system, and prove the global-in-time existence and uniqueness of solution in the borderline space which is very close to $L^2$-energy space by…

Analysis of PDEs · Mathematics 2016-07-27 Changxing Miao , Xiaoxin Zheng

We study Liouville theorems for the non-stationary Stokes equations in exterior domains in $ \mathbb{R}^{n}$ under decay conditions for spatial variables. As applications, we prove that the Stokes semigroup is a bounded analytic semigroup…

Analysis of PDEs · Mathematics 2018-07-13 Ken Abe

We consider Stokes systems with measurable coefficients and Lions-type boundary conditions. We show that, in contrast to the Dirichlet boundary conditions, local boundary mixed-norm $L_{s,q}$-estimates hold for the spatial second-order…

Analysis of PDEs · Mathematics 2022-01-21 Hongjie Dong , Doyoon Kim , Tuoc Phan

This paper addresses the numerical solution of the two-dimensional Navier--Stokes (NS) equations with nonsmooth initial data in the $L^2$ space, which is the critical space for the two-dimensional NS equations to be well-posed. In this…

Numerical Analysis · Mathematics 2025-10-02 Buyang Li , Qiqi Rao , Hui Zhang , Zhi Zhou

We consider the stationary Stokes problem in a three-dimensional fluid domain $\mathcal F$ with non-homogeneous Dirichlet boundary conditions. We assume that this fluid domain is the complement of a bounded obstacle $\mathcal B$ in a…

Analysis of PDEs · Mathematics 2015-06-16 M Hillairet , Takfarinas Kelai

This paper discusses the solvability (global in time) of the initial-boundary value problem of the Navier-stokes equations in the half space when the initial data $ h\in \dot{ B}_{q \sigma}^{\alpha-\frac{2}{q}}(\R_+)$ and the boundary data…

Analysis of PDEs · Mathematics 2018-06-08 Tongkeun Chang , Bum Ja Jin

We study coupled motion of a 1-D closed elastic string immersed in a 2-D Stokes flow, known as the Stokes immersed boundary problem in two dimensions. Using the fundamental solution of the Stokes equation and the Lagrangian coordinate of…

Analysis of PDEs · Mathematics 2017-09-01 Fang-Hua Lin , Jiajun Tong

This is the main paper in a sequence in which we give a complete proof of the bounded $L^2$ curvature conjecture. More precisely we show that the time of existence of a classical solution to the Einstein-vacuum equations depends only on the…

Analysis of PDEs · Mathematics 2014-10-13 Sergiu Klainerman , Igor Rodnianski , Jeremie Szeftel

In this paper we examine how Lagrangian techniques can be used to compute underapproximations and overapproximation of the finite-time horizon, stochastic reach-avoid level sets for discrete-time, nonlinear systems. This approach is…

Systems and Control · Computer Science 2018-10-17 Joseph D. Gleason , Abraham P. Vinod , Meeko M. K. Oishi

In this paper, we establish the unique existence and some decay properties of a global solution of a free boundary problem of the incompressible Navier-Stokes equations in $L_p$ in time and $L_q$ in space framework in a uniformly…

Analysis of PDEs · Mathematics 2022-02-24 Kenta Oishi , Yoshihiro Shibata

Consider the $3$-d primitive equations in a layer domain $\Omega=G \times (-h,0)$, $G=(0,1)^2$, subject to mixed Dirichlet and Neumann boundary conditions at $z=-h$ and $z=0$, respectively, and the periodic lateral boundary condition. It is…

Analysis of PDEs · Mathematics 2021-03-29 Yoshikazu Giga , Mathis Gries , Matthias Hieber , Amru Hussein , Takahito Kashiwabara

In this article we consider the Stokes problem with Navier-type boundary conditions on a domain $\Omega$, not necessarily simply connected. Since under these conditions the Stokes problem has a non trivial kernel, we also study the…

Analysis of PDEs · Mathematics 2016-01-25 Hind Al Baba , Chérif Amrouche , Miguel Escobedo

The Stokes equation on a domain $\Omega \subset R^n$ is well understood in the $L^p$-setting for a large class of domains including bounded and exterior domains with smooth boundaries provided $1<p<\infty$. The situation is very different…

Analysis of PDEs · Mathematics 2014-02-18 Ken Abe , Yoshikazu Giga , Matthias Hieber

This paper investigates an initial boundary value problem for the relaxed one-dimensional compressible Navier-Stokes-Fourier equations. By transforming the system into Lagrangian coordinates, the resulting formulation exhibits a uniform…

Analysis of PDEs · Mathematics 2025-02-04 Yuxi Hu , Xiaoning Zhao

We prove that the Stokes semigroup is a bounded analytic semigroup on $L^{\infty}_{\sigma}$ of angle $\pi/2$ for two-dimensional exterior domains. This result is an end point case of the $L^{p}$-boundedness of the semigroup for $p\in…

Analysis of PDEs · Mathematics 2019-12-04 Ken Abe
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