Maged Alkilayh

One Subspace, Many Residuals: Columnwise Stopping and Rank Deflation for Block Projected Iterated Tikhonov Regularization

Discrete ill-posed problems with several right-hand sides and a common forward operator arise in multichannel imaging and in repeated or parameter-dependent experiments. A block Golub–Kahan reduction builds one solution subspace for all right-hand sides, and iterated Tikhonov reg...