Abstract
The Hilbert Uniqueness Method, introduced by J.-L. Lions, allows one to obtain explicit estimates for the minimal time of exact controllability. We present here a constructive method to improve these estimates. It is based on a slightly more precise form of the usual a priori estimates in the HUM method and on an estimation method introduced recently (for different purposes) by A. Haraux.
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References
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Komornik, V. (1989). Exact controllability in short time. In: Simon, J. (eds) Control of Boundaries and Stabilization. Lecture Notes in Control and Information Sciences, vol 125. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0043358
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DOI: https://doi.org/10.1007/BFb0043358
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