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    Article

    Sufficiency of Kalman’s Rank Condition for the Approximate Boundary Controllability on an Annular Domain

    In this paper the author establishes the sufficiency of Kalman’s rank condition on the approximate boundary controllability at a finite time for diagonalizable systems on an annular domain in higher dimensiona...

    Chengxia Zu in Chinese Annals of Mathematics, Series B (2022)

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    Article

    Exact Internal Controllability and Synchronization for a Coupled System of Wave Equations

    In this paper the exact internal controllability for a coupled system of wave equations with arbitrarily given coupling matrix is established. Based on this result, the exact internal synchronization and the e...

    Chengxia Zu, Tatsien Li, Bopeng Rao in Chinese Annals of Mathematics, Series B (2023)