Subgradient-based Lavrentiev regularisation of monotone ill-posed problems

Markus Grasmair, Fredrik Hildrum

We introduce subgradient-based Lavrentiev regularisation of the form \begin{equation*} \mathcal{A}(u) + α\partial \mathcal{R}(u) \ni f^δ\end{equation*} for linear and nonlinear ill…