The following publications are possibly variants of this publication:
- A Posteriori Error Estimators for Control Constrained Optimal Control ProblemsKristina Kohls, Arnd Rösch, Kunibert G. Siebert. In Günter Leugering, Sebastian Engell, Andreas Griewank, Michael Hinze, Rolf Rannacher, Volker Schulz, Michael Ulbrich, Stefan Ulbrich, editors, Constrained Optimization and Optimal Control for Partial Differential Equations. Volume 160 of International series of numerical mathematics, pages 431-443, Birkhäuser / Springer, 2012. [doi]
- A-posteriori error estimates for optimal control problems with state and control constraintsArnd Rösch, Daniel Wachsmuth. nm, 120(4):733-762, 2012. [doi]