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Error estimates for parabolic optimal control problems with control and state constraints

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Abstract

The numerical approximation to a parabolic control problem with control and state constraints is studied in this paper. We use standard piecewise linear and continuous finite elements for the space discretization of the state, while the dG(0) method is used for time discretization. A priori error estimates for control and state are obtained by an improved maximum error estimate for the corresponding discretized state equation. Numerical experiments are provided which support our theoretical results.

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Acknowledgements

The authors would like to thank Christian Kahle for the help on numerical experiments and Klaus Deckelnick for the discussion on Example 2. The first author also gratefully acknowledges the support of the Alexander von Humboldt Foundation during his stay at the University of Hamburg, Germany. He is also very grateful to the Department of Mathematics of the University of Hamburg for the hospitality and support. The first author was partially supported by the National Basic Research Program of China under the Grant 2012CB821204. The second author also gratefully acknowledges support of the priority program SPP1253 of the German research foundation.

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Gong, W., Hinze, M. Error estimates for parabolic optimal control problems with control and state constraints. Comput Optim Appl 56, 131–151 (2013). https://doi.org/10.1007/s10589-013-9541-z

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