Wissenschaftliche Beiträge in Zeitschriften |
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Dominik Hafemeyer, Florian Mannel, Ira Neitzel, Boris Vexler: Finite element error estimates for one-dimensional elliptic optimal control by BV functions American Institute of Mathematical Science, Mathematical Control & Related Fields, V 10(2), pp. 333-363, 2020. (doi:10.3934/mcrf.2019041) |
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Ira Neitzel, Konstantin Pieper, Boris Vexler, Daniel Walter: A sparse control approach to optimal sensor placement in PDE-constrained parameter estimation problems Numerische Mathematik, 143(4), pp. 943-984, 2019. (doi:10.1007/s00211-019-01073-3) |
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Lucas Bonifacius, Ira Neitzel: Second Order Optimality Conditions for Optimal Control of Quasilinear Parabolic Equations AIMS: Mathematical Control and Related Fields (MCRF) 8(1) 1-34, Special Issue on the occasion of Eduardo Casas' 60th birthday, 2018. (doi:10.3934/mcrf.2018001) |
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Ira Neitzel, Thomas Wick, Winnifried Wollner: An Optimal Control Problem Governed by a Regularized Phase-Field Fracture Propagation Model SIAM Journal on Control and Optimization, 55(4), pp. 2271-2288, 2017. (doi:10.1137/16M1062375) |
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Ira Neitzel, Johannes Pfefferer, Arnd Rösch: Finite element discretization of state-constrained elliptic optimal control problems with semilinear state equation SIAM Journal on Control and Optimization, 53(2), pp. 874-904, 2015. (doi:10.1137/140960645) |
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Mariano Mateos, Ira Neitzel: Dirichlet control of elliptic state constrained problems Computational Optimization and Applications 63(3), pp. 825-853, 2015. (doi:10.1007/s10589-015-9784-y) |
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Pedro Merino, Ira Neitzel, Fredi Tröltzsch: An Adaptive Numerical Method for Semi-Infinite Elliptic Control Problems Based on Error Estimates Optimization Methods and Software, 30(3), pp. 492-515, 2014. (doi:10.1080/10556788.2014.932789) |
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Ira Neitzel, Boris Vexler: A Priori Error Estimates for Space-Time Finite Element Discretization of Semilinear Parabolic Optimal Control Problems Numerische Mathematik 120(2), pp. 345-386, 2012. (doi:10.1007/s00211-011-0409-9) |
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Klaus Krumbiegel, Ira Neitzel, Arnd Rösch: Regularization for Semilinear Elliptic Optimal Control Problems with Pointwise State and Control Constraints Computational Optimization and Applications 52(1), pp. 181-207, 2012. (doi:10.1007/s10589-010-9357-z) |
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Ira Neitzel, Uwe Prüfert, Thomas Slawig: A Smooth Regularization of the Projection Formula for Constrained Parabolic Optimal Control Problems Numerical Functional Analysis and Optimization 32(12), pp. 1283-1315, 2011. (doi:10.1080/01630563.2011.597915) |
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Pedro Merino, Ira Neitzel, Fredi Tröltzsch: On Linear-Quadratic Elliptic Control Problems of Semi-Infinite Type Applicable Analysis 90(6), pp. 1047-1074, 2011. (doi:10.1080/00036811.2010.489187) |
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Klaus Krumbiegel, Ira Neitzel, Arnd Rösch: Sufficient Optimality Conditions for the Moreau-Yosida-Type Regularization Concept Applied to Semilinear Elliptic Optimal Control Problems with Pointwise State Constraints Mathematics and its Applications - Annals of AOSR 2(2), pp. 222-246, 2010. |
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Pedro Merino, Ira Neitzel, Fredi Tröltzsch: Error Estimates for the Finite Element Discretization of Semi-infinite Elliptic Optimal Control Problems Discussiones Mathematicae. Differential Inclusions, Control and Optimization 30(2), pp. 221-236, 2010. |
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Ira Neitzel, Fredi Tröltzsch: On Regularization Methods for the Numerical Solution of Parabolic Control Problems with Pointwise State Constraints ESAIM: Control, Optimisation and Calculus of Variations 15 (2), pp. 426-453, 2009. (doi:10.1051/cocv:2008038) |
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Ira Neitzel, Uwe Prüfert, Thomas Slawig: Strategies for Time-Dependent PDE Control with Inequality Constraints Using an Integrated Modeling and Simulation Environment Numerical Algorithms 50, pp. 241-269, 2009. (doi:10.1007/s11075-008-9225-4) |
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Ira Neitzel, Fredi Tröltzsch: On Convergence of Regularization Methods for Nonlinear Parabolic Optimal Control Problems with Control and State Constraints Control and Cybernetics 37(4), pp. 1013-1043, 2008. |