@article{Pickenhain, author = {Pickenhain, Sabine}, title = {Duality theory for state-constrained control problems governed by a first order PDE system}, series = {Control and Cybernetics}, volume = {31}, journal = {Control and Cybernetics}, number = {3}, pages = {833 -- 845}, language = {en} } @incollection{PickenhainWagner, author = {Pickenhain, Sabine and Wagner, M.}, title = {Optimal Control Problems with a First Order PDE System - Necessary and Sufficient Optimality Conditions}, series = {Online optimization of large scale systems}, booktitle = {Online optimization of large scale systems}, editor = {Gr{\"o}tschel, Martin}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-42459-8}, pages = {159 -- 172}, language = {en} } @incollection{Pickenhain, author = {Pickenhain, Sabine}, title = {Duality in optimal control with first order differential equations}, series = {Encyclopedia of optimization, Bd. 1}, booktitle = {Encyclopedia of optimization, Bd. 1}, editor = {Floudas, Christodoulos A. and Pardalos, Panos M.}, publisher = {Kluwer}, address = {Dordrecht [u.a.]}, isbn = {0-7923-7029-5}, pages = {472 -- 477}, language = {en} } @article{MalanowskiMaurerPickenhain, author = {Malanowski, Kazimierz and Maurer, Helmut and Pickenhain, Sabine}, title = {Second-order sufficient conditions for state-constrained optimal control problems}, language = {en} } @incollection{Pickenhain, author = {Pickenhain, Sabine}, title = {Rough stability of solutions to nonconvex optimization problems}, language = {en} } @article{PickenhainWagner, author = {Pickenhain, Sabine and Wagner, M.}, title = {Pontryagin principle for state-constrained control problems governed by a first-order PDE system}, language = {en} } @incollection{PickenhainWagner, author = {Pickenhain, Sabine and Wagner, M.}, title = {Critical points in relaxed deposit problems}, series = {Calculus of variations and optimal control, Technion 1998, proceedings of the International Conference on the Calculus of Variations and Related Topics, 25 - 31 March, 1998}, booktitle = {Calculus of variations and optimal control, Technion 1998, proceedings of the International Conference on the Calculus of Variations and Related Topics, 25 - 31 March, 1998}, editor = {Ioffe, Alexander}, publisher = {Chapman \& Hall/CRC}, address = {Boca Raton, Fla. [u.a.]}, isbn = {0-8493-0605-1}, pages = {217 -- 236}, language = {en} } @article{PickenhainKripfganz, author = {Pickenhain, Sabine and Kripfganz, A.}, title = {In celebration of Prof. Dr. Rolf Kl{\"o}tzler 65th birthday}, language = {en} } @article{Pickenhain, author = {Pickenhain, Sabine}, title = {A pointwise maximum principle in optimal control with multiple integrals}, language = {en} } @article{MaurerPickenhain, author = {Maurer, Helmut and Pickenhain, Sabine}, title = {Second-order sufficient conditions for control problems with mixed control-state constraints}, language = {en} }