Abstract
This paper studies an optimal control problem where the state of the system is defined by a mixed quasi-variational inequality. Several sufficient conditions for the zero duality gap property between the optimal control problem and its nonlinear dual problem are obtained by using nonlinear Lagrangian methods. Our results are applied to an example where the mixed quasi-variational inequality leads to a bilateral obstacle problem.
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Acknowledgements
The authors are grateful to the editor and the referees for their valuable comments and suggestions. Z. Wang is supported by the fundamental research funds for the central universities (2682015CX061), the NSF of China (Tianyuan funds for Mathematics, no. 11526170); Z.Y. Chen is supported by the NSF of China (Tianyuan funds for Mathematics, no. 11526169) and the fundamental research funds for the central universities (2682017CX062).
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Wang, Zb., Chen, Zl., Chen, Zy. et al. Lagrangian methods for optimal control problems governed by a mixed quasi-variational inequality. Optim Lett 12, 1357–1371 (2018). https://doi.org/10.1007/s11590-017-1179-9
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DOI: https://doi.org/10.1007/s11590-017-1179-9