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The determination of boundary coefficients from far field measurements
"... Dedicated to Chuck Groetsch for his fundamental contributions to the field of inverse problems. We consider the problem of determining either the surface impedance λ = λ(x) or surface conductivity η = η(x) from far field data corresponding to timeharmonic incident plane waves scattered by a coated ..."
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Dedicated to Chuck Groetsch for his fundamental contributions to the field of inverse problems. We consider the problem of determining either the surface impedance λ = λ(x) or surface conductivity η = η(x) from far field data corresponding to timeharmonic incident plane waves scattered by a coated infinite cylinder. We show that λ and η are uniquely determined from the far field data and provide a numerical algorithm for determining these quantities. 1