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Stabilization of second order evolution equations by a class of unbounded feedbacks

  • Kais Ammari (a1) and Marius Tucsnak (a1)

Abstract

In this paper we consider second order evolution equations with unbounded feedbacks. Under a regularity assumption we show that observability properties for the undamped problem imply decay estimates for the damped problem. We consider both uniform and non uniform decay properties.

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