Abstract
In this paper, the authors consider inverse problems of determining a coefficient or a source term in an ultrahyperbolic equation by some lateral boundary data. The authors prove Hölder estimates which are global and local and the key tool is Carleman estimate.
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Dedicated to the memory of Professor Arif Amirov
This work was supported by the Council of Higher Education of Turkey (No. 16.01.2012:558-2233).
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Gölgeleyen, F., Yamamoto, M. Stability of inverse problems for ultrahyperbolic equations. Chin. Ann. Math. Ser. B 35, 527–556 (2014). https://doi.org/10.1007/s11401-014-0848-6
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DOI: https://doi.org/10.1007/s11401-014-0848-6