ORSONI, Marcu-Antone

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ORSONI, Marcu-Antone
Institut de Mathématiques de Bordeaux [IMB]

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The description of the reachable states of the heat equation is one of the central questions in control theory. The aim of this work is to present new results for the 1-D heat equation with boundary control on the segment [0, π]. In this situation it is known that the reachable states are holomorphic in a square D the diagonal of which is given by [0, π]. The most precise results obtained recently say that the reachable space is contained between two well known spaces of analytic function: the Smirnov space E^2(D) and the Bergman space A^2(D). We show that the reachable states are exactly the sum of two Bergman spaces on sectors the intersection of which is D. In order to get a more precise information on this sum of Bergman spaces, we also prove that it includes the Smirnov-Zygmund space E_{LlogL}(D) as well as a certain weighted Bergman space on D.< Leer menos

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Reachable states and holomorphic function spaces for the 1-D heat equation

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