Uniqueness for some semilinear elliptic inverse problems (Q2755707)

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scientific article; zbMATH DE number 1671612
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Uniqueness for some semilinear elliptic inverse problems
scientific article; zbMATH DE number 1671612

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    28 August 2002
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    uniqueness
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    Dirichlet-to-Neumann map
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    recovery of a nonlinear term
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    Uniqueness for some semilinear elliptic inverse problems (English)
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    The author considers the uniqueness of the recovery of a nonlinear term appearing in two semilinear boundary value problems. Using the results in [\textit{L. A. Fernández} and \textit{E. Zuazua}, J. Optimization Theory Appl. 101, 307-328 (1999; Zbl 0952.49003)], under certain assumptions, it is shown that the corresponding Dirichlet-to-Neumann map uniquely determines a nonlinear term appearing in the differential equation or on the boundary value.
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