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Exact Boundary Controllability and Energy Decay for a System of Wave Equations Linearly Coupled

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Abstract

The aim of this paper is to study an exact boundary controllability problem and local energy decay for a system of m linearly coupled wave equations . We obtain control time near of the optimal time with control of Neuman type acting on all boundary of the considered domain. We also show that the local energy decays at a rate \(t^{-n}\), where n is the spatial dimension of the domain where the initial data are supported.

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Correspondence to Ruikson S. O. Nunes.

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Nunes, R.S.O. Exact Boundary Controllability and Energy Decay for a System of Wave Equations Linearly Coupled. Mediterr. J. Math. 18, 30 (2021). https://doi.org/10.1007/s00009-020-01672-7

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  • DOI: https://doi.org/10.1007/s00009-020-01672-7

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