2 papers
math.NA2024
Randomized block coordinate descent method for linear ill-posed problems
Qinian Jin, Duo Liu
Consider the linear ill-posed problems of the form , where, for each , is a bounded linear operator between two Hilbert spaces and ${\math…
math.NA2024
On saturation of the discrepancy principle for nonlinear Tikhonov regularization in Hilbert spaces
Qinian Jin
In this paper we revisit the discrepancy principle for Tikhonov regularization of nonlinear ill-posed problems in Hilbert spaces and provide some new and improved saturation result…