Abstract
We consider optimal control problems of elliptic PDEs on hypersurfaces Γ in R for n = 2, 3. The leading part of the PDE is given by the Laplace-Beltrami operator, which is discretized by finite elements on a polyhedral approximation of Γ. The discrete optimal control problem is formulated on the approximating surface and is solved numerically with a semi-smooth Newton algorithm. We derive optimal a priori error estimates for problems including control constraints and provide numerical examples confirming our analytical findings. Mathematics Subject Classification (2010): 58J32 , 49J20, 49M15
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