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The Calderón problem for nonlocal parabolic operators: A new reduction from the nonlocal to the local (2308.09654v1)

Published 18 Aug 2023 in math.AP

Abstract: In this article, we investigate the Calder\'on problem for nonlocal parabolic equations, where we are interested to recover the leading coefficient of nonlocal parabolic operators. The main contribution is that we can relate both (anisotropic) variable coefficients local and nonlocal Calder\'on problem for parabolic equations. More concretely, we show that the (partial) Dirichlet-to-Neumann map for the nonlocal parabolic equation determines the (full) Dirichlet-to-Neumann map for the local parabolic equation. This article extends our earlier results [LLU22] by using completely different methods. Moreover, the results hold for any spatial dimension $n\geq 2$.

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