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2016

2016

We consider an optimal control problem, whose state is given as the solution of the obstacle problem. The controls are not… Expand

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Highly Cited

2014

Highly Cited

2014

The repulsion strength at the origin for repulsive/attractive potentials determines the regularity of local minimizers of the… Expand

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2014

2014

We consider the distributed optimal control of the obstacle problem with control constraints. Since Mignot proved in 1976 the… Expand

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2012

2012

We study a quadratic $C^0$ interior penalty method for the displacement obstacle problem of Kirchhoff plates with general… Expand

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Highly Cited

2007

Highly Cited

2007

Given a function ϕ and s ∈ (0, 1), we will study the solutions of the following obstacle problem: • u ≥ ϕ in R n , • (−� ) s u… Expand

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Highly Cited

2005

Highly Cited

2005

We show that a posteriori estimators for the obstacle problem are easily obtained from the theory for linear equations. The… Expand

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Highly Cited

2004

Highly Cited

2004

Summary.The reliability of frequently applied averaging techniques for a posteriori error control has recently been established… Expand

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Highly Cited

1997

Highly Cited

1997

We study reflected solutions of one-dimensional backward stochastic differential equations. The reflection keeps the solution… Expand

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Highly Cited

1994

Highly Cited

1994

We consider a parabolic double obstacle problem which is a version of the Allen-Cahn equation ut = Δu — ϵ-2ψ'(u) in Ω x (0… Expand

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1986

1986

On demontre des resultats de convergence en mesure et en distance pour des frontieres libres approchees, sous la seule hypothese… Expand

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