Gunther Uhlmann
Professor of Mathematics, University of Washington
Scientific, Colloquia
UWashington-PIMS Mathematics Colloquium: Gunther Uhlmann
We will consider the inverse problem of determining the sound speed or index of refraction of a medium by measuring the travel times of waves going through the medium. This problem arises in global seismology in an attempt to determine the inner...
Scientific, Seminar
UCalgary Geometric Analysis Seminar: Gunther Uhlmann
Calderón's problem (also called electrical impedance tomography) asks the question of whether one can determine the electrical conductivity of a medium by making voltage and current measurements at the boundary. I will give a survey of some of the...
Scientific, Seminar
DG-MP-PDE Seminar: Gunther Uhlmann (Washington)
The boundary rigidity problem consists in determining the Riemannian metric of a compact Riemannian manifold with boundary by measuring the lengths of geodesics joining points of the boundary. The lens rigidity problem consists in determining the...