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Increasing stability of the continuation...
Isakov, Victor...
Increasing stability of the continuation for general elliptic equations of second order by Isakov, Victor ( Author )
Australian National University
01-09-2023
We give stability estimates in the Cauchy problem for general partial differential equation of the elliptic type similar to the Helmholtz equation. We do not impose any (pseudo)convexity assumptions on the domain or the operator. These conditional stability estimates are getting close to Lipschitz ones when the wave number/frequency is growing. We split solution into low and high frequency parts and impose constraints on the high frequency part only. We give logarithmic bounds on this high frequency part. Proofs use energy estimates and the FBI transform.
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Article
pdf
29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1312.7600
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