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math.NA2022★ 1 cited
Efficient solution of parameter identification problems with regularization
Jan Blechta, Oliver G. Ernst
We consider the identification of spatially distributed parameters under regularization. Solving the associated minimization problem by Gauss-Newton iteration results in line…
math.NA2020★ 5 cited
Stability of linear GMRES convergence with respect to compact perturbations
Jan Blechta
Suppose that a linear bounded operator on a Hilbert space exhibits at least linear GMRES convergence, i.e., there exists such that the GMRES residuals fulfill $\|r_k\|\…