460 citations · 1.2k across the 40 of their papers we have counts for
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math.FA2012★ 29 cited
Necessary conditions for variational regularization schemes
Dirk Lorenz, Nadja Worliczek
We study variational regularization methods in a general framework, more precisely those methods that use a discrepancy and a regularization functional. While several sets of suffi…
math.FA2007★ 228 cited
Linear convergence of iterative soft-thresholding
Kristian Bredies, Dirk A. Lorenz
In this article a unified approach to iterative soft-thresholding algorithms for the solution of linear operator equations in infinite dimensional Hilbert spaces is presented. We f…