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Control of the Hyperbolic Ill-posed Cauchy Problem by Controllability

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Listed:
  • Bylli André B. Guel
  • Sadou Tao
  • Somdouda Sawadogo

Abstract

The main purpose of this paper is the control of the hyperbolic ill-posed Cauchy problem. To do this, we adapt to the present case the controllability method previously introduced in the stationary case (Guel and Nakoulima 2023). So we interpret the problem as an inverse problem, and therefore a controllability problem. This point of view induces a regularization method that makes it possible, on the one hand, to characterize the existence of a regular solution to the problem. On the other hand, this method makes it possible to obtain a singular optimality system for the optimal control, without using any additional assumption, such as that of non-vacuity of the interior of the sets of admissible controls, an assumption that many analyses have had to use.

Suggested Citation

  • Bylli André B. Guel & Sadou Tao & Somdouda Sawadogo, 2024. "Control of the Hyperbolic Ill-posed Cauchy Problem by Controllability," Journal of Mathematics Research, Canadian Center of Science and Education, vol. 15(6), pages 1-42, December.
    • Handle: RePEc:ibn:jmrjnl:v:15:y:2024:i:6:p:42
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    References listed on IDEAS

    as
    1. A. Berhail & A. Omrane, 2015. "Optimal Control of the Ill-Posed Cauchy Elliptic Problem," International Journal of Differential Equations, Hindawi, vol. 2015, pages 1-9, November.
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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