EMIS ELibM Electronic Journals Zeitschrift für Analysis und ihre Anwendungen
Vol. 18, No. 2, pp. 407 - 435 (1999)

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A Multidimensional Identification Problem Related to a Hyperbolic Integro-Differential Equation

A. Lorenzi

Università degli Studi, Dept. Math., via Saldini 50, 20133 Milano, Italia

Abstract: We prove a global in time existence and uniqueness theorem for the identification of a relaxation kernel $h$ entering a hyperbolic integro-differential equation, related to a convex cylinder with a smooth lateral surface, when the coefficient $h$ is assumed to depend on time and one space variable and general additional conditions are provided. A continuous dependence result for the identification problem is also stated. Finally, a separate proof concerning the existence and uniqueness of the solution to the related direct integro-differential problem is also given in a suitable functional space. Moreover, the dependence of such a solution with respect to the relaxation kernel is fully analysed.

Keywords: linear integro-differential hyperbolic equations, determination of space- and time-dependent relaxation kernels, global existence, uniqueness and continuous dependence results

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Electronic fulltext finalized on: 31 Jul 2001. This page was last modified: 9 Nov 2001.

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