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We study a generalized Stokes system with Orlicz growth which is nonstandard in a non-smooth domain. Our purpose is to derive a Calderon-Zygmund type estimate of the gradient of a solution and the pressure to such a system like (1.1) under…

Analysis of PDEs · Mathematics 2021-05-11 Sun-Sig Byun , Namkyeong Cho

We prove the unique solvability of solutions in Sobolev spaces to the stationary Stokes system on a bounded Reifenberg flat domain when the coefficients are partially BMO functions, i.e., locally they are merely measurable in one direction…

Analysis of PDEs · Mathematics 2017-02-24 Hongjie Dong , Doyoon Kim

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 obtain a global weighted $L^p$ estimate for the gradient of the weak solutions to divergence form elliptic equations with measurable coefficients in a nonsmooth bounded domain. The coefficients are assumed to be merely measurable in one…

Analysis of PDEs · Mathematics 2014-08-07 Sun-Sig Byun , Dian K. Palagachev

This paper establishes global weighted Calder\'on-Zygmund type regularity estimates for weak solutions of a class of generalized Stokes systems in divergence form. The focus of the paper is on the case that the coefficients in the…

Analysis of PDEs · Mathematics 2017-05-17 Tuoc Phan

In this paper, we consider the generalized stationary Stokes system with $p$-growth and Dini-$\operatorname{BMO}$ regular coefficients. The main purpose is to establish pointwise estimates for the shear rate and the associated pressure to…

Analysis of PDEs · Mathematics 2021-09-06 Lingwei Ma , Zhenqiu Zhang , Feng Zhou

We prove weighted $L_{p,q}$-estimates for divergence type higher order elliptic and parabolic systems with irregular coefficients on Reifenberg flat domains. In particular, in the parabolic case the coefficients do not have any regularity…

Analysis of PDEs · Mathematics 2019-03-11 Jongkeun Choi , Doyoon Kim

We develop a new real-variable method for weighted $L^p$ estimates. The method is applied to the study of weighted $W^{1, 2}$ estimates in Lipschitz domains for weak solutions of second-order elliptic systems in divergence form with bounded…

Analysis of PDEs · Mathematics 2020-04-08 Zhongwei Shen

We study the generalized stationary Stokes system in a bounded domain in the plane equipped with perfect slip boundary conditions. We show natural stability results in oscillatory spaces, i.e. H\"older spaces and Campanato spaces including…

Analysis of PDEs · Mathematics 2019-06-28 Václav Mácha , Sebastian Schwarzacher

Consider the nonlinear parabolic equation in the form $$ u_t-{\rm div} \mathbf{a}(D u,x,t)={\rm div}\,(|F|^{p-2}F) \quad \text{in} \quad \Omega\times(0,T), $$ where $T>0$ and $\Omega$ is a Reifenberg domain. We suppose that the nonlinearity…

Analysis of PDEs · Mathematics 2017-03-20 The Anh Bui , Xuan Thinh Duong

We study the Stokes problem over convex polyhedral domains on weighted Sobolev spaces. The weight is assumed to belong to the Muckenhoupt class $A_q$ for $q \in (1,\infty)$. We show that the Stokes problem is well-posed for all $q$. In…

Numerical Analysis · Mathematics 2021-06-02 Enrique Otarola , Abner Salgado

This paper is concerned with uniform regularity estimates for a family of Stokes systems with rapidly oscillating periodic coefficients. We establish interior Lipschitz estimates for the velocity and $L^\infty$ estimates for the pressure as…

Analysis of PDEs · Mathematics 2015-08-13 Shu Gu , Zhongwei Shen

We establish resolvent estimates in spaces of bounded solenoidal functions for the Stokes operator in a bounded domain $\Omega$ in $R^d$ under the assumptions that $\Omega$ is $C^1$ for $d\ge 3$ and Lipschitz for $d=2$. As a corollary, it…

Analysis of PDEs · Mathematics 2025-10-20 Jun Geng , Zhongwei Shen

A weighted norm inequality involving $A_1$ weights is obtained at the natural exponent for gradients of solutions to quasilinear elliptic equations in Reifenberg flat domains. Certain gradient estimates in Lorentz-Morrey spaces below the…

Analysis of PDEs · Mathematics 2014-12-23 Karthik Adimurthi , Nguyen Cong Phuc

Local and global weighted norm estimates involving Muckenhoupt weights are obtained for gradient of solutions to linear elliptic Dirichlet boundary value problems in divergence form over a Lipschitz domain $\Omega$. The gradient estimates…

Analysis of PDEs · Mathematics 2018-06-04 Karthik Adimurthi , Tadele Mengesha , Nguyen Cong Phuc

We deal with the regularity problem for linear, second order parabolic equations and systems in divergence form with measurable data over non-smooth domains, related to variational problems arising in the modeling of composite materials and…

Analysis of PDEs · Mathematics 2025-12-10 Sun-Sig Byun , Dian K. Palagachev , Lubomira G. Softova

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

We obtain the global weighted $W^{1,p}$ estimates for weak solutions of nonlinear elliptic equations over Reifenberg flat domains. Where nonlinearity $A(x,z,\xi)$ is assumed to be local uniform continuous in $z$ and have small BMO semi-norm…

Analysis of PDEs · Mathematics 2019-07-02 Xuehui Hao

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

A class of quasi-variational-hemivariational inequalities in reflexive Banach spaces is studied. The inequalities contain a convex potential, a locally Lipschitz superpotential, and an implicit obstacle set of constraints. Results on the…

Analysis of PDEs · Mathematics 2023-09-12 Jing Zhao , Stanislaw Migorski , Sylwia Dudek
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