A comment on an L2nn+2-L2nn-2 Carleman inequality in relation to "the determination of an unbounded potential from Cauchy data"
Abstract
The proof of [Proposition 2.1]DKS[arXiv:1104.0232] is partially incorrect. In this short note, we provide a new proof, which requires an additional hypothesis. A modification of this new proof also corrects the proof of [Proposition 2.1]Ch[arXiv:2310.17456], where the incorrect argument of DKS has been repeated.
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