Physiol Meas. 2003 May;24(2):413-9.

Anisotropic conductivities that cannot be detected by EIT.

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Department of Mathematics, University of Rochester, Rochester, NY 14618, USA.

Abstract

We construct anisotropic conductivities in dimension 3 that give rise to the same voltage and current measurements at the boundary of a body as a homogeneous isotropic conductivity. These conductivities are non-zero, but degenerate close to a surface inside the body.

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Anisotropic conductivities that cannot be detected by EIT.

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