English
Related papers

Related papers: Conormal derivative problems for stationary Stokes…

200 papers

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 prove $L_p$ estimates of solutions to a conormal derivative problem for divergence form complex-valued higher-order elliptic systems on a half space and on a Reifenberg flat domain. The leading coefficients are assumed to be merely…

Analysis of PDEs · Mathematics 2012-03-08 Hongjie Dong , Doyoon Kim

The solvability in Sobolev spaces is proved for divergence form complex-valued higher order parabolic systems in the whole space, on a half space, and on a Reifenberg flat domain. The leading coefficients are assumed to be merely measurable…

Analysis of PDEs · Mathematics 2012-02-02 Hongjie Dong , Doyoon Kim

We develop a framework for solving the stationary, incompressible Stokes equations in an axisymmetric domain. By means of Fourier expansion with respect to the angular variable, the three-dimensional Stokes problem is reduced to an…

Numerical Analysis · Mathematics 2020-08-19 N. Ericsson

The author proves the existence of strong solutions of the Dirichlet problem for the nonstationary Stokes system in polygonal domain. Here, the solutions are elements of weighted Sobolev spaces, where the weight function is a power of the…

Analysis of PDEs · Mathematics 2025-05-22 Jürgen Rossmann

We consider the incompressible and stationary Stokes equations on an infinite two-dimensional wedge with non-scaling invariant Navier-slip boundary conditions. We prove well-posedness and higher regularity of the Stokes problem in a certain…

Analysis of PDEs · Mathematics 2024-07-23 Marco Bravin , Manuel V. Gnann , Hans Knüpfer , Nader Masmoudi , Floris B. Roodenburg , Jonas Sauer

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 study the strong solvability of the nonstationary Stokes problem with non-zero divergence in a bounded domain.

Analysis of PDEs · Mathematics 2019-07-16 Nikolay Filonov , Tim Shilkin

We study a general linear parabolic problem for Petrovskii parabolic differential system in Sobolev anisotropic distribution spaces of generalized smoothness. Slowly varying functions are used to characterize supplementary generalized…

Analysis of PDEs · Mathematics 2026-05-06 Valerii Los , Vladimir Mikhailets , Aleksandr Murach

For functions from the Sobolev space $H^s(\Omega)$, 1/2<s<3/2, definitions of non-unique generalised and unique canonical co-normal derivative are considered, which are related to possible extensions of a partial differential operator and…

Analysis of PDEs · Mathematics 2012-11-22 S. E. Mikhailov

This work concerns stationary Stokes type systems governed by a general class of non-necessarily power-type nonlinearities. Fractional regularity properties of the symmetric gradient of local solutions are established, depending on a…

Analysis of PDEs · Mathematics 2026-02-17 Andrea Cianchi , Flavia Giannetti , Antonia Passarelli di Napoli , Christoph Scheven

We prove a version of the Stokes formula for differential forms on locally convex spaces. The main tool used for proving this formula is the surface layer theorem proved in another paper by the author. Moreover, for differential forms of a…

Functional Analysis · Mathematics 2008-07-21 Evelina Shamarova

We prove well-posedness in reflexive Sobolev spaces of weak solutions to the stationary Stokes problem with Navier slip boundary condition over bounded domains $\Omega$ of $\mathbb{R}^n$ of class $W^{2-1/s}_s$, $s>n$. Since such domains are…

Analysis of PDEs · Mathematics 2015-12-29 Harbir Antil , Ricardo H. Nochetto , Patrick Sodre

We show the existence of strong solutions in Sobolev-Slobodetskii spaces to the stationary compressible Navier-Stokes equations with inflow boundary condition. Our result holds provided certain condition on the shape of the boundary around…

Analysis of PDEs · Mathematics 2019-11-13 Piotr B. Mucha , Tomasz Piasecki

We prove logarithmic Sobolev inequalities on higher-dimensional bounded smooth domains based on novel Gagliardo-Nirenberg type interpolation inequalities. Moreover, we use them to address the long-time dynamics of some nonlinear nonlocal…

Analysis of PDEs · Mathematics 2024-02-29 Elie Abdo , Fizay-Noah Lee

We establish existence, uniqueness, and Sobolev and H\"older regularity results for the stochastic partial differential equation $$ du=\left(\sum_{i,j=1}^d a^{ij}u_{x^ix^j}+f^0+\sum_{i=1}^d f^i_{x^i}\right)dt+\sum_{k=1}^{\infty}g^kdw^k_t,…

Probability · Mathematics 2022-09-20 Kyeong-Hun Kim , Kijung lee , Jinsol Seo

The authors consider the Dirichlet problem for the nonstationary Stokes system in a threedimensional cone. They obtain existence and uniqueness results for solutions in weighted Sobolev spaces and prove a regularity assertion for the…

Analysis of PDEs · Mathematics 2015-12-11 Vladimir Kozlov , Juergen Rossmann

The solvability in Sobolev spaces is proved for divergence form second order elliptic equations in the whole space, a half space, and a bounded Lipschitz domain. For equations in the whole space or a half space, the leading coefficients…

Analysis of PDEs · Mathematics 2009-11-13 Hongjie Dong , Doyoon Kim

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 study the second-order quasi-linear stochastic partial differential equations (SPDEs) defined on $C^1$ domains. The coefficients are random functions depending on $t,x$ and the unknown solutions. We prove the uniqueness and existence of…

Probability · Mathematics 2017-05-05 Ildoo Kim , Kyeong-hun Kim
‹ Prev 1 2 3 10 Next ›