February  2007, 1(1): 95-105. doi: 10.3934/ipi.2007.1.95

On uniqueness in the inverse conductivity problem with local data

1. 

Wichita State University, 1845 Fairmount, Wichita, KS, 67260-0033, United States

Received  June 2006 Published  January 2007

We show that the Dirichlet-to-Neumann map given on an arbitrary part of the boundary of a three-dimensional domain with zero Dirichlet (or Neumann) data on the remaining (spherical or plane) part of the boundary uniquely determines conductivity or potential coefficients. This is the first uniqueness result for the Calderon problem with zero data on unaccessible part of the boundary. Proofs use some modification of the method of complex geometrical solutions due to Calderon-Sylvester-Uhlmann.
Citation: Victor Isakov. On uniqueness in the inverse conductivity problem with local data. Inverse Problems and Imaging, 2007, 1 (1) : 95-105. doi: 10.3934/ipi.2007.1.95
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