a1 Mathematics Department, Texas A&M University, College Station, TX 77843-3368, USA email: email@example.com
a2 Mathematics Department, University of Arizona, Tucson, AZ 77843-3368, USA email: firstname.lastname@example.org
The article presents a survey of mathematical problems, techniques and challenges arising in thermoacoustic tomography and its sibling photoacoustic tomography.
(Received April 10 2007)
(Revised February 12 2008)