A new approach for solving seismic tomography problems and assessing the uncertainty through the use of graph theory and direct methods

Petros Bogiatzis, University of Southampton, Ocean and Earth Science, Southampton, United Kingdom, Miaki Ishii, Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States and Timothy A. Davis, Texas A & M University College Station, Department of Computer Science & Engineering, College Station, TX, United States