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Abstract and Applied Analysis
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Abstract and Applied Analysis
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Abstract and Applied Analysis
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Abstract and Applied Analysis
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Stable Approximations of a Minimal Surface Problem with Variational Inequalities

Stable approximations of a minimal surface problem with variational inequalities
Authors: Nashed, M. Zuhair; Scherzer, Otmar;

Stable Approximations of a Minimal Surface Problem with Variational Inequalities

Abstract

In this paper we develop a new approach for the stable approximation of a minimal surface problem associated with a relaxed Dirichlet problem in the space BV(Ω) of functions of bounded variation. The problem can be reformulated as an unconstrained minimization problem of a functional 𝒥 on BV(Ω) defined by 𝒥(u) = 𝒜(u) + ∫∂Ω|Tu − Φ|, where 𝒜(u) is the “area integral” of u with respect to Ω, T is the “trace operator” from BV(Ω) into L i(∂Ω), and ϕ is the prescribed data on the boundary of Ω. We establish convergence and stability of approximate regularized solutions which are solutions of a family of variational inequalities. We also prove convergence of an iterative method based on Uzawa′s algorithm for implementation of our regularization procedure.

Related Organizations
Keywords

65J20, Numerical optimization and variational techniques, nondifferentiable optimization in nonreflexive spaces, Numerical solutions of ill-posed problems in abstract spaces; regularization, QA1-939, Minimal surfaces and optimization, Regularity of solutions in optimal control, bounded variation, 49J45, Uzawa′s algorithm, 49N60, 49J40, 26A45, 65K10, Methods involving semicontinuity and convergence; relaxation, Numerical solutions to equations with nonlinear operators, 65J15, Functions of bounded variation, generalizations, Variational inequalities, 49Q05, relaxed Dirichlet problem, Minimal surface problem, regularization, minimal surface problem, bounded variation norm, Uzawa's algorithm., Mathematics, variational inequalities, Uzawa's algorithm

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Top 10%
Average
gold