Mathematical Research Letters

Volume 10, Issue 5, September 2003 pp. 685-693.

On nonuniqueness for Calderón's inverse problem

Authors: Allan Greenleaf, Matti Lassas and Gunther Uhlmann
Author institution: University of Rochester, University of Helsinki, and University of Washington, Seattle

Summary: We construct anisotropic conductivities with the same Dirichlet-to-Neumann map as a homogeneous isotropic conductivity. These conductivities are singular close to a surface inside the body.

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