[HTML][HTML] Extending Sobolev functions with partially vanishing traces from locally (ε, δ)-domains and applications to mixed boundary problems

K Brewster, D Mitrea, I Mitrea, M Mitrea - Journal of Functional Analysis, 2014 - Elsevier
We prove that given any k∈ N, for each open set Ω⊆ R n and any closed subset D of Ω¯
such that Ω is locally an (ε, δ)-domain near∂ Ω∖ D, there exists a linear and bounded …

On some mixed-transmission problems for the anisotropic Stokes and Navier-Stokes systems in Lipschitz domains with transversal interfaces

M Kohr, SE Mikhailov, WL Wendland - Journal of Mathematical Analysis …, 2022 - Elsevier
The main purpose of this paper is the analysis of mixed-transmission problems for the
anisotropic Stokes system in a compressible framework and in bounded Lipschitz domains …

Shape differentiability of Lagrangians and application to Stokes problem

VA Kovtunenko, K Ohtsuka - SIAM Journal on Control and Optimization, 2018 - SIAM
A class of convex constrained minimization problems over polyhedral cones for geometry-
dependent quadratic objective functions is considered in a functional analysis framework …

Boundary value problems of Robin type for the Brinkman and Darcy–Forchheimer–Brinkman systems in Lipschitz domains

M Kohr, ML de Cristoforis, WL Wendland - Journal of Mathematical Fluid …, 2014 - Springer
The purpose of this paper is to study boundary value problems of Robin type for the
Brinkman system and a semilinear elliptic system, called the Darcy–Forchheimer–Brinkman …

Geometric Harmonic Analysis IV

D Mitrea, I Mitrea, M Mitrea - 2022 - Springer
The Developments in Mathematics (DEVM) book series is devoted to publishing well-written
monographs within the broad spectrum of pure and applied mathematics. Ideally, each book …

On the regularity of differential forms satisfying mixed boundary conditions in a class of Lipschitz domains

T Jakab, I Mitrea, M Mitrea - Indiana University mathematics journal, 2009 - JSTOR
Let Ω⊂ ℝn be a bounded Lipschitz domain, whose boundary decomposes into two disjoint
pieces Σt, Σn⊆∂ Ω, which meet at an angle< π. Denote by v the outward unit normal to Ω …

Some properties on the surfaces of vector fields and its application to the Stokes and Navier–Stokes problems with mixed boundary conditions

T Kim, D Cao - Nonlinear Analysis: Theory, Methods & Applications, 2015 - Elsevier
In this paper we are concerned with the stationary and non-stationary Stokes and Navier–
Stokes problems with mixed boundary conditions involving velocity, pressure, rotation …

The mixed problem for the Laplacian in Lipschitz domains

KA Ott, RM Brown - Potential Analysis, 2013 - Springer
We consider the mixed boundary value problem, or Zaremba's problem, for the Laplacian in
a bounded Lipschitz domain Ω in R n, n≥ 2. We decompose the boundary ∂Ω=D∪N with D …

The mixed problem for the Darcy-Forchheimer-Brinkman system

D Medková - Journal of Differential Equations, 2024 - Elsevier
This paper studies the mixed problems for the Brinkman system in H s (Ω; R m)× H s− 1 (Ω)
with 1≤ s≤ 2. Here Ω⊂ R m is a bounded domain with Lipschitz boundary (not necessarily …

On the mixed problem for the semilinear Darcy‐Forchheimer‐Brinkman PDE system in Besov spaces on creased Lipschitz domains

R Gutt, M Kohr, SE Mikhailov… - … Methods in the Applied …, 2017 - Wiley Online Library
The purpose of this paper is to study the mixed Dirichlet‐Neumann boundary value problem
for the semilinear Darcy‐Forchheimer‐Brinkman system in L p‐based Besov spaces on a …