Hyperbolic equations and inequalities in octants with the lateral Cauchy data at coordinate planes are considered. Lipschitz stability estimate is established in the case when both the inhomogeneous right hand side and (unknown) initial conditions at {t = 0} have a finite support. This is the first stability estimate for such a Cauchy problem in an infinite domain. Refocusing of time reversal fields in octants follows. It is shown that the modified Quasi-Reversibility Method can be applied for the numerical solution of such a Cauchy problem including computational time reversal.
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Lipschitz stability for hyperbolic inequalities in octants with the lateral Cauchy data and refocising in time reversal
M. V. Klibanov∗
∗Department of Mathematics and Statistics, University of North Carolina at Charlotte, Charlotte, NC 28223, U.S.A. E-mail: mklibanv@email.uncc.edu
Citation Information: Journal of Inverse and Ill-posed Problems jiip. Volume 13, Issue 4, Pages 353–363, ISSN (Online) 1569-3953, ISSN (Print) 0928-0219, DOI: 10.1515/156939405775201709,
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