Fredi Tröltzsch

ORCID

Publication Activity (10 Years)

Years Active: 1997-2021
Publications (10 Years): 15

Top Venues

CoRR

Comput. Optim. Appl.

SIAM J. Control. Optim.

Comput. Methods Appl. Math.

Freiberg University of Mining and Technology, Saxony, Germany (PHD)

Education History

Freiberg University of Mining and Technology, Saxony, Germany

PHD

Publications

Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
Space-time finite element methods for the initial temperature reconstruction. CoRR (2021)
Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
Unstructured Space-Time Finite Element Methods for Optimal Control of Parabolic Equations. SIAM J. Sci. Comput. 43 (2) (2021)
Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
Space-Time Finite Element Discretization of Parabolic Optimal Control Problems with Energy Regularization. SIAM J. Numer. Anal. 59 (2) (2021)
Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
Space-time finite element discretization of parabolic optimal control problems with energy regularization. CoRR (2020)
Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
Unstructured space-time finite element methods for optimal control of parabolic equations. CoRR (2020)
Vyacheslav Maksimov, Fredi Tröltzsch
Input Reconstruction by Feedback Control for the Schlögl and FitzHugh-Nagumo Equations. Int. J. Appl. Math. Comput. Sci. 30 (1) (2020)
Ulrich Langer, Olaf Steinbach, Fredi Tröltzsch, Huidong Yang
Unstructured Space-Time Finite Element Methods for Optimal Sparse Control of Parabolic Equations. CoRR (2020)
Eduardo Casas, Fredi Tröltzsch
On Optimal Control Problems with Controls Appearing Nonlinearly in an Elliptic State Equation. SIAM J. Control. Optim. 58 (4) (2020)
Eduardo Casas, Mariano Mateos, Fredi Tröltzsch
Measure Control of a Semilinear Parabolic Equation with a Nonlocal Time Delay. SIAM J. Control. Optim. 56 (6) (2018)
Eduardo Casas, Christopher Ryll, Fredi Tröltzsch
Optimal control of a class of reaction-diffusion systems. Comput. Optim. Appl. 70 (3) (2018)
Peter Nestler, Eckehard Schöll, Fredi Tröltzsch
Optimization of nonlocal time-delayed feedback controllers. Comput. Optim. Appl. 64 (1) (2016)
Pedro Merino, Ira Neitzel, Fredi Tröltzsch
An adaptive numerical method for semi-infinite elliptic control problems based on error estimates. Optim. Methods Softw. 30 (3) (2015)
Martin Gugat, Fredi Tröltzsch
Boundary feedback stabilization of the Schlögl system. Autom. 51 (2015)
Eduardo Casas, Christopher Ryll, Fredi Tröltzsch
Second Order and Stability Analysis for Optimal Sparse Control of the FitzHugh-Nagumo Equation. SIAM J. Control. Optim. 53 (4) (2015)
Fredi Tröltzsch, Alberto Valli
Modeling and Control of Low-Frequency Electromagnetic Fields in Multiply Connected Conductors. System Modelling and Optimization (2015)
Eduardo Casas, Fredi Tröltzsch
Second-Order and Stability Analysis for State-Constrained Elliptic Optimal Control Problems with Sparse Controls. SIAM J. Control. Optim. 52 (2) (2014)
Kristof Altmann, Simon Stingelin, Fredi Tröltzsch
On some optimal control problems for electrical circuits. Int. J. Circuit Theory Appl. 42 (8) (2014)
Serge Nicaise, Simon Stingelin, Fredi Tröltzsch
On Two Optimal Control Problems for Magnetic Fields. Comput. Methods Appl. Math. 14 (4) (2014)
Eduardo Casas, Christopher Ryll, Fredi Tröltzsch
Sparse Optimal Control of the Schlögl and FitzHugh-Nagumo Systems. Comput. Methods Appl. Math. 13 (4) (2013)
Rico Buchholz, Harald Engel, Eileen Kammann, Fredi Tröltzsch
On the optimal control of the Schlögl-model. Comput. Optim. Appl. 56 (1) (2013)
Rico Buchholz, Harald Engel, Eileen Kammann, Fredi Tröltzsch
Erratum to: On the optimal control of the Schlögl-model. Comput. Optim. Appl. 56 (1) (2013)
Fredi Tröltzsch, Arnd Rösch
Introduction. Comput. Optim. Appl. 52 (1) (2012)
Eduardo Casas, Fredi Tröltzsch
A general theorem on error estimates with application to a quasilinear elliptic optimal control problem. Comput. Optim. Appl. 53 (1) (2012)
Eduardo Casas, Fredi Tröltzsch
Second Order Analysis for Optimal Control Problems: Improving Results Expected From Abstract Theory. SIAM J. Optim. 22 (1) (2012)
Pierre-Étienne Druet, Olaf Klein, Jürgen Sprekels, Fredi Tröltzsch, Irwin Yousept
Optimal Control of Three-Dimensional State-Constrained Induction Heating Problems with Nonlocal Radiation Effects. SIAM J. Control. Optim. 49 (4) (2011)
Eileen Kammann, Fredi Tröltzsch
A posteriori error estimation for nonlinear parabolic boundary control. MMAR (2011)
Vili Dhamo, Fredi Tröltzsch
Some aspects of reachability for parabolic boundary control problems with control constraints. Comput. Optim. Appl. 50 (1) (2011)
Fredi Tröltzsch, Irwin Yousept
A regularization method for the numerical solution of elliptic boundary control problems with pointwise state constraints. Comput. Optim. Appl. 42 (1) (2009)
Fredi Tröltzsch
On Finite Element Error Estimates for Optimal Control Problems with Elliptic PDEs. LSSC (2009)
Fredi Tröltzsch, Stefan Volkwein
POD a-posteriori error estimates for linear-quadratic optimal control problems. Comput. Optim. Appl. 44 (1) (2009)
Fredi Tröltzsch
Editorial. Comput. Optim. Appl. 44 (1) (2009)
Eduardo Casas, Fredi Tröltzsch
First- and Second-Order Optimality Conditions for a Class of Optimal Control Problems with Quasilinear Elliptic Equations. SIAM J. Control. Optim. 48 (2) (2009)
Michael Hintermüller, Fredi Tröltzsch, Irwin Yousept
Mesh-independence of semismooth Newton methods for Lavrentiev-regularized state constrained nonlinear optimal control problems. Numerische Mathematik 108 (4) (2008)
Uwe Prüfert, Fredi Tröltzsch, Martin Weiser
The convergence of an interior point method for an elliptic control problem with mixed control-state constraints. Comput. Optim. Appl. 39 (2) (2008)
Luis Alberto Fernandez, William W. Hager, Fredi Tröltzsch
Editorial. Comput. Optim. Appl. 39 (3) (2008)
Eduardo Casas, Juan Carlos de los Reyes, Fredi Tröltzsch
Sufficient Second-Order Optimality Conditions for Semilinear Control Problems with Pointwise State Constraints. SIAM J. Optim. 19 (2) (2008)
Christian Meyer, Uwe Prüfert, Fredi Tröltzsch
On two numerical methods for state-constrained elliptic control problems. Optim. Methods Softw. 22 (6) (2007)
Arnd Rösch, Fredi Tröltzsch
On Regularity of Solutions and Lagrange Multipliers of Optimal Control Problems for Semilinear Equations with Mixed Pointwise Control-State Constraints. SIAM J. Control. Optim. 46 (3) (2007)
Juan Carlos de los Reyes, Fredi Tröltzsch
Optimal Control of the Stationary Navier--Stokes Equations with Mixed Control-State Constraints. SIAM J. Control. Optim. 46 (2) (2007)
Arnd Rösch, Fredi Tröltzsch
Sufficient Second-Order Optimality Conditions for an Elliptic Optimal Control Problem with Pointwise Control-State Constraints. SIAM J. Optim. 17 (3) (2006)
Christian Meyer, P. Philip, Fredi Tröltzsch
Optimal Control of a Semilinear PDE with Nonlocal Radiation Interface Conditions. SIAM J. Control. Optim. 45 (2) (2006)
Christian Meyer, Arnd Rösch, Fredi Tröltzsch
Optimal Control of PDEs with Regularized Pointwise State Constraints. Comput. Optim. Appl. 33 (2-3) (2006)
Arnd Rösch, Fredi Tröltzsch
Existence of Regular Lagrange Multipliers for a Nonlinear Elliptic Optimal Control Problem with Pointwise Control-State Constraints. SIAM J. Control. Optim. 45 (2) (2006)
Fredi Tröltzsch
Regular Lagrange Multipliers for Control Problems with Mixed Pointwise Control-State Constraints. SIAM J. Optim. 15 (2) (2005)
Eduardo Casas, Mariano Mateos, Fredi Tröltzsch
Error Estimates for the Numerical Approximation of Boundary Semilinear Elliptic Control Problems. Comput. Optim. Appl. 31 (2) (2005)
Fredi Tröltzsch, Daniel Wachsmuth
On convergence of a receding horizon method for parabolic boundary control. Optim. Methods Softw. 19 (2) (2004)
Arnd Rösch, Fredi Tröltzsch
Sufficient Second-Order Optimality Conditions for a Parabolic Optimal Control Problem with Pointwise Control-State Constraints. SIAM J. Control. Optim. 42 (1) (2003)
Nadir Arada, Jean-Pierre Raymond, Fredi Tröltzsch
On an Augmented Lagrangian SQP Method for a Class of Optimal Control Problems in Banach Spaces. Comput. Optim. Appl. 22 (3) (2002)
Eduardo Casas, Fredi Tröltzsch
Second-Order Necessary and Sufficient Optimality Conditions for Optimization Problems and Applications to Control Theory. SIAM J. Optim. 13 (2) (2002)
Eduardo Casas, Fredi Tröltzsch
Error estimates for linear-quadratic elliptic control problems. Analysis and Optimization of Differential Systems (2002)
Nadir Arada, Eduardo Casas, Fredi Tröltzsch
Error Estimates for the Numerical Approximation of a Semilinear Elliptic Control Problem. Comput. Optim. Appl. 23 (2) (2002)
Eduardo Casas, Fredi Tröltzsch, Andreas Unger
Second Order Sufficient Optimality Conditions for Some State-constrained Control Problems of Semilinear Elliptic Equations. SIAM J. Control. Optim. 38 (5) (2000)
Fredi Tröltzsch
On the Lagrange--Newton--SQP Method for the Optimal Control of Semilinear Parabolic Equations. SIAM J. Control. Optim. 38 (1) (1999)
M. Bergounioux, Fredi Tröltzsch
A Linear Parabolic Boundary Control Problem with Mixed Control-State Constraint. Control of Distributed Parameter and Stochastic Systems (1998)
E. Schaich, H. Volger, Fredi Tröltzsch
Book reviews. Math. Methods Oper. Res. 45 (2) (1997)

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Publication Activity (10 Years)

Top Topics

Top Venues

Fredi Tröltzsch