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An example of the absence of a global solution to some inverse problem for a hyperbolic equation. (Russian, English) Zbl 1044.35108
Sib. Mat. Zh. 44, No. 5, 1110-1112 (2003); translation in Sib. Math. J. 44, No. 5, 867-868 (2003).
Summary: We give an example of an inverse problem for a hyperbolic equation which has a unique local solution but no global solutions.
MSC:
35R30 Inverse problems for PDEs
35R25 Ill-posed problems for PDEs
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