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math.NA2023
Adaptive Spectral Inversion for Inverse Medium Problems
Yannik G. Gleichmann, Marcus J. Grote
A nonlinear optimization method is proposed for the solution of inverse medium problems with spatially varying properties. To avoid the prohibitively large number of unknown contro…
math.NA2021
Error Estimates for Adaptive Spectral Decompositions
Daniel H. Baffet, Yannik G. Gleichmann, Marcus J. Grote
Adaptive spectral (AS) decompositions associated with a piecewise constant function yield small subspaces where the characteristic functions comprising are well approximate…