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We consider an optimal control problem for the obstacle problem with an elliptic variational inequality. The obstacle function which is the control function is assumed in $H^{2}$. We use an approximate technique to introduce a family of…

Optimization and Control · Mathematics 2008-12-18 Radouen Ghanem

In this note, we show that a natural optimal control problem for the $\infty$-obstacle problem admits an optimal control which is also an optimal state. Moreover, we show the convergence of the minimal value of an optimal control problem…

Analysis of PDEs · Mathematics 2020-07-07 H. Mawi , C. B. Ndiaye

Within this chapter, we discuss control in the coefficients of an obstacle problem. Utilizing tools from H-convergence, we show existence of optimal solutions. First order necessary optimality conditions are obtained after deriving…

Optimization and Control · Mathematics 2023-07-04 Andreas Hehl , Denis Khimin , Ira Neitzel , Nicolai Simon , Thomas Wick , Winnifried Wollner

In this paper we discuss the obstacle problem for the $p$-Laplace operator. We prove optimal growth results for the solution. Of particular interest is the point-wise regularity of the solution at free boundary points. The most surprising…

Analysis of PDEs · Mathematics 2015-03-19 John Andersson , Erik Lindgren , Henrik Shahgholian

In this work, we consider optimality conditions of an optimal control problem governed by an obstacle problem. Here, we focus on introducing a, matrix valued, control variable as the coefficients of the obstacle problem. As it is well…

Optimization and Control · Mathematics 2025-03-18 Nicolai Simon , Winnifried Wollner

In this paper we study asymptotic behavior of solutions of obstacle problems for $p-$Laplacians as $p\to \infty.$ For the one-dimensional case and for the radial case, we give an explicit expression of the limit. In the n-dimensional case,…

Analysis of PDEs · Mathematics 2023-12-29 Raffaela Capitanelli , Maria Agostina Vivaldi

We study an optimal control problem associated to the conformal Laplacian obstacle problem on closed n-dimensional Riemannian manifolds with n >2. When the Yamabe invariant of the Riemannian manifold is positive, we show that the optimal…

Differential Geometry · Mathematics 2023-02-16 Cheikh Birahim Ndiaye

This paper deals with the obstacle problem for the infinity Laplacian. The main results are a characterization of the solution through comparison with cones that lie above the obstacle and the sharp $C^{1,1/3}$--regularity at the free…

Analysis of PDEs · Mathematics 2015-10-06 Julio D. Rossi , Eduardo V. Teixeira , José Miguel Urbano

In this paper, we study a natural optimal control problem associated to the Paneitz obstacle problem on closed 4-dimensional Riemannian manifolds. We show the existence of an optimal control which is an optimal state and induces also a…

Analysis of PDEs · Mathematics 2022-07-27 Cheikh Birahim Ndiaye

In this work we consider the numerical resolution of the bilateral obstacle optimal control problem given in Bergounioux et al. Where the main feature of this problem is that the control and the obstacle are the same.

Optimization and Control · Mathematics 2015-12-22 Radouen Ghanem , Billel Zireg

Existence of solutions to an obstacle $p$-Laplacian problem exhibiting a singular, discontinuous reaction is proved. The reaction term may be discontinuous in a Lebesgue-negligible set. Moreover, solutions are shown to be locally…

Analysis of PDEs · Mathematics 2026-05-05 Annamaria Barbagallo , Umberto Guarnotta

We study the obstacle problem for the Evolutionary p-Laplace Equation when the obstacle is discontinuous and without regularity in the time variable. Two quite different procedures yield the same solution.

Analysis of PDEs · Mathematics 2010-11-09 Peter Lindqvist , Mikko Parviainen

We consider shape optimization problems with internal inclusion constraints, of the form $$\min\big\{J(\Omega)\ :\ \Dr\subset\Omega\subset\R^d,\ |\Omega|=m\big\},$$ where the set $\Dr$ is fixed, possibly unbounded, and $J$ depends on…

Analysis of PDEs · Mathematics 2011-09-13 Dorin Bucur , Giuseppe Buttazzo , Bozhidar Velichkov

We consider a shape optimization problem written in the optimal control form: the governing operator is the $p$-Laplacian in the Euclidean space $\R^d$, the cost is of an integral type, and the control variable is the domain of the state…

Optimization and Control · Mathematics 2021-06-28 Giuseppe Buttazzo , Francesco Paolo Maiale , Bozhidar Velichkov

In this paper we study optimal control problems with either fractional or regional fractional $p$-Laplace equation, of order $s$ and $p\in [2,\infty)$, as constraints over a bounded open set with Lipschitz continuous boundary. The control,…

Optimization and Control · Mathematics 2017-01-20 Harbir Antil , Mahamadi Warma

We consider a linear-quadratic optimization problem with pointwise bounds on the state for which the constraint is given by the Laplace-Beltrami equation (to have uniqueness we add an lower order term) on a two-dimensional surface . By…

Optimization and Control · Mathematics 2016-06-10 Ahmad Ahmad Ali , Michael Hinze , Heiko Kröner

We consider the one and the two obstacles problems for the nonlocal nonlinear anisotropic $g$-Laplacian $\mathcal{L}_g^s$, with $0<s<1$. We prove the strict T-monotonicity of $\mathcal{L}_g^s$ and we obtain the Lewy-Stampacchia…

Analysis of PDEs · Mathematics 2025-05-14 Catharine W. K. Lo , José Francisco Rodrigues

In this paper we study an optimal control problem (OCP) associated to a linear elliptic equation {on a bounded domain $\Omega$}. The matrix-valued coefficients A of such systems is our control taken in L2 which in particular may comprise…

Optimization and Control · Mathematics 2013-06-12 Thierry Horsin , Peter I. Kogut

This paper is concerned with second-order optimality conditions for Tikhonov regularized optimal control problems governed by the obstacle problem. Using a simple observation that allows to characterize the structure of optimal controls on…

Optimization and Control · Mathematics 2019-06-24 Constantin Christof , Gerd Wachsmuth

We prove the solvability of the Dirichlet problem for the variable exponent $p$-Laplacian with boundary data in $W^{1,p(x)}(\Omega)$ on a bounded, smooth domain $\Omega \subset {\mathbb R}^n$. Our main focus will be on an a.e. finite…

Analysis of PDEs · Mathematics 2024-05-27 M. Khamsi , J. Lang , O. Mendez , A. Nekvinda
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