Abstract
This paper considers multidimensional control problems governed by a first-order PDE system and state constraints. After performing the standard Young measure relaxation, we are able to prove the Pontryagin principle by means of an ∈-maximum principle. Generalizing the common setting of one-dimensional control theory, we model piecewise-continuous weak derivatives as functions of the first Baire class and obtain regular measures as corresponding multipliers. In a number of corollaries, we derive necessary optimality conditions for local minimizers of the state-constrained problem as well as for global and local minimizers of the unconstrained problem.
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Pickenhain, S., Wagner, M. Pontryagin Principle for State-Constrained Control Problems Governed by a First-Order PDE System. Journal of Optimization Theory and Applications 107, 297–330 (2000). https://doi.org/10.1023/A:1026481403476
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DOI: https://doi.org/10.1023/A:1026481403476