Dr. Ira Neitzel

Publikationen

Wissenschaftliche Beiträge in Zeitschriften
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)
Lucas Bonifacius, Ira Neitzel:
Second Order Optimality Conditions for Optimal Control of Quasilinear Parabolic Equations
submitted, 2017.
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)
Mariano Mateos, Ira Neitzel:
Dirichlet control of elliptic state constrained problems
Computational Optimization and Applications, published online, 2015. (doi:10.1007/s10589-015-9784-y)
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)
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)
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)
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)
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)
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.
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.
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)
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)
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.

Wissenschaftliche Beiträge in Sammelbänden
Ira Neitzel und Fredi Tröltzsch:
„Numerical Analysis of State-Constrained Optimal Control Problems for PDEs“
in G. Leugering, S. Engell, A. Griewank, M. Hinze, R. Rannacher, V. Schulz, M. Ulbrich, S. Ulbrich (eds.), Constrained Optimization and Optimal Control for Partial Differential Equations,
International Series of Numerical Mathematics, 160(4), pp. 467-482, Birkhäuser Verlag, 2012. (doi Pfeil)
Ira Neitzel und Fredi Tröltzsch:
„On Convergence of Lavrentiev Regularization for Semilinear Parabolic Optimal Control Problems with Pointwise Control and State Constraints“
Proc. Appl. Math. Mech., 8(1), 10865-10866, 2008. (doi Pfeil)
Ira Neitzel, Uwe Prüfert und Thomas Slawig:
„Solving Time-Dependent Optimal Control Problems in COMSOL Multiphysics“
Proceedings-CD of the 2008 European COMSOL Conference.
Ira Neitzel, Uwe Prüfert und Thomas Slawig:
„Optimal PDE Control Using COMSOL Multiphysics“
Proceedings-CD of the 2008 European COMSOL Conference

Qualifikationsschriften
„Numerical Analysis of PDE Constrained Optimal Control Problems with Pointwise Inequality Constraints on the State and the Control“
Dissertation, Technische Universität Berlin, 2011
„Lavrentiev Regularization for Parabolic Optimal Control Problems with State Constraints“
Diplomarbeit, Technische Universität Berlin, 2006
 
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