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We construct Green functions of conormal derivative problems for the stationary Stokes system with measurable coefficients in a two dimensional Reifenberg flat domain.

Analysis of PDEs · Mathematics 2023-02-15 Jongkeun Choi , Doyoon Kim

We study Green functions for stationary Stokes systems satisfying the conormal derivative boundary condition. We establish existence, uniqueness, and various estimates for the Green function under the assumption that weak solutions of the…

Analysis of PDEs · Mathematics 2018-08-15 Jongkeun Choi , Hongjie Dong , Doyoon Kim

We establish the existence, uniqueness, and various estimates for Green functions of mixed Dirichlet-conormal derivative problems for the stationary Stokes system with measurable coefficients in a two-dimensional Reifenberg flat domain with…

Analysis of PDEs · Mathematics 2024-02-27 Jongkeun Choi , Minsuk Yang

We study Green functions for the pressure of stationary Stokes systems in a (possibly unbounded) domain $\Omega\subset \mathbb{R}^d$, where $d\ge 2$. We construct the Green function when coefficients are merely measurable in one direction…

Analysis of PDEs · Mathematics 2019-03-12 Jongkeun Choi , Hongjie Dong

We establish the existence and the pointwise bound of the fundamental solution for the stationary Stokes system with measurable coefficients in the whole space $\mathbb{R}^d$, $d \ge 3$, under the assumption that weak solutions of the…

Analysis of PDEs · Mathematics 2017-05-09 Jongkeun Choi , Minsuk Yang

We study the Green function for the stationary Stokes system with bounded measurable coefficients in a bounded Lipschitz domain $\Omega\subset \mathbb{R}^n$, $n\ge 3$. We construct the Green function in $\Omega$ under the condition…

Analysis of PDEs · Mathematics 2017-07-14 Jongkeun Choi , Ki-Ahm Lee

We construct the Green function for the mixed boundary value problem for the linear Stokes system in a two-dimensional Lipschitz domain.

Analysis of PDEs · Mathematics 2015-03-17 K. A. Ott , S. Kim , R. M. Brown

We prove the first ever pointwise estimates of the (unrestricted) Green tensor and the associated pressure tensor of the nonstationary Stokes system in the half-space, for every space dimension greater than one. The force field is not…

Analysis of PDEs · Mathematics 2022-12-23 Kyungkeun Kang , Baishun Lai , Chen-Chih Lai , Tai-Peng Tsai

In this paper, we present a series of applications of the pointwise estimates of the (unrestricted) Green tensor of the nonstationary Stokes system in the half space, established in our previous work [CMP 2023]. First, we show the…

Analysis of PDEs · Mathematics 2024-07-10 Kyungkeun Kang , Baishun Lai , Chen-Chih Lai , Tai-Peng Tsai

This paper is devoted to establishing the uniform estimates and asymptotic behaviors of the Green's functions $(G_\varepsilon,\Pi_\varepsilon)$ (and fundamental solutions $(\Gamma_\varepsilon, Q_\varepsilon)$) for the Stokes system with…

Analysis of PDEs · Mathematics 2017-12-06 Shu Gu , Jinping Zhuge

We study Green's matrices for divergence form, second order strongly elliptic systems with bounded measurable coefficients in two dimensional domains. We establish existence, uniqueness, and pointwise estimates of the Green's matrices.

Analysis of PDEs · Mathematics 2009-03-02 Hongjie Dong , Seick Kim

We construct Green's functions for divergence form, second order parabolic systems in non-smooth time-varying domains whose boundaries are locally represented as graph of functions that are Lipschitz continuous in the spatial variables and…

Analysis of PDEs · Mathematics 2014-09-25 Hongjie Dong , Seick Kim

In the present paper we establish sharp pointwise estimates on the polyharmonic Green function and its derivatives in an arbitrary bounded open set.

Analysis of PDEs · Mathematics 2009-03-06 Svitlana Mayboroda , Vladimir Maz'ya

We study the stationary Stokes system with variable coefficients in the whole space, a half space, and on bounded Lipschitz domains. In the whole and half spaces, we obtain a priori $\dot W^1_q$-estimates for any $q\in [2,\infty)$ when the…

Analysis of PDEs · Mathematics 2019-03-19 Hongjie Dong , Doyoon Kim

We construct the Green function for second-order elliptic equations in non-divergence form when the mean oscillations of the coefficients satisfy the Dini condition. We show that the Green's function is BMO in the domain and establish…

Analysis of PDEs · Mathematics 2021-08-24 Hongjie Dong , Seick Kim

We establish existence and pointwise estimates of fundamental solutions and Green's matrices for divergence form, second order strongly elliptic systems in a domain $\Omega \subseteq \mathbb{R}^n$, $n \geq 3$, under the assumption that…

Analysis of PDEs · Mathematics 2009-09-29 Steve Hofmann , Seick Kim

We derive refined estimates of the Green tensor of the stationary Stokes system in the half space. We then investigate the spatial asymptotics of stationary solutions of the incompressible Navier-Stokes equations in the half space. We also…

Analysis of PDEs · Mathematics 2016-06-15 Kyungkeun Kang , Hideyuki Miura , Tai-Peng Tsai

In this article, the Green function for the Stokes flow in the interior, exterior, and annular regions bounded by cylindrical walls is derived as a function of the pole position and expressed invariantly both at the field and pole points.…

Fluid Dynamics · Physics 2026-01-29 Giuseppe Procopio

In this paper we will study the set of parameters in which certain partial derivatives of the Green's function, related to a $n$-order linear operator $T_{n}[M]$, depending on a real parameter $M$, coupled to different two-point boundary…

Classical Analysis and ODEs · Mathematics 2024-08-02 Alberto Cabada , Lucía López-Somoza , Mouhcine Yousfi

We give some remarks on some manifolds K3 surfaces, Complex projective spaces, real projective space and Torus and the classification of two dimensional Riemannian surfaces, Green functions and the Stokes formula. We also, talk about traces…

General Mathematics · Mathematics 2026-02-17 Samy Skander Bahoura
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