Trigonometric identities are powerful tools for simplifying complex equations in math and science. Three core ...

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Abstract: This note addresses the stabilization of a one-dimensional wave equation with control at one end and noncollocated observation at another end. A simple exponentially convergent observer is ...

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The wave equation is studied under the effect of a persistent external perturbation. A dynamical distributed controller is suggested, based on an infinite-dimensional generalization of second-order ...