# Optimal control of unilateral obstacle problem with a source term

@article{Ghanem2008OptimalCO, title={Optimal control of unilateral obstacle problem with a source term}, author={Radouen Ghanem}, journal={Positivity}, year={2008}, volume={13}, pages={321-338} }

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 H2. We use an approximate technique to introduce a family of problems governed by variational equations. We prove optimal solutions existence and give necessary optimality conditions.

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