The impedance tomography problem

@inproceedings{Boumenir2003TheIT,
  title={The impedance tomography problem},
  author={Amin Boumenir},
  year={2003}
}
Using an operator theoretic framework and pseudo-spectral methods, we provide a simple and explicit formula for the conductivity coefficient in terms of the Dirichlet to Neumann map and the eigenvalues of the Laplacian operator.