On control-constrained parabolic optimal control problems on evolving surfaces - theory and variational discretization - Morten Vierling (CoRR, 2011)

A Globalized Semi-smooth Newton Method for Variational Discretization of Control Constrained Elliptic Optimal Control Problems. - Michael Hinze; Morten Vierling (Constrained Optimization and Optimal Control for Partial Differential Equations, 2012)

The semi-smooth Newton method for variationally discretized control constrained elliptic optimal control problems; implementation, convergence and globalization. - Michael Hinze; Morten Vierling (Optim. Methods Softw., 2012)

Crank-Nicolson Time Stepping and Variational Discretization of Control-Constrained Parabolic Optimal Control Problems. - Nikolaus von Daniels; Michael Hinze; Morten Vierling (SIAM J. Control. Optim., 2015)