Seismic tomography is locally ill-posed

Andreas Kirsch, Andreas Rieder
2014 Inverse Problems  
In this note we show that the nonlinear problem of seismology in the acoustic regime is locally ill-posed in the strict mathematical sense.
doi:10.1088/0266-5611/30/12/125001 fatcat:qfv6hkgoyzczho3trvuacgh4nq