Ekkehard W. Sachs

Publication Activity (10 Years)

Years Active: 1986-2021
Publications (10 Years): 3

Top Topics

Greedy Algorithm

Complexity Analysis

Fischer Burmeister

Worst Case Analysis

Top Venues

Comput. Optim. Appl.

SIAM J. Numer. Anal.

J. Glob. Optim.

Numer. Algorithms

Publications

Geovani Nunes Grapiglia, Ekkehard W. Sachs
A generalized worst-case complexity analysis for non-monotone line searches. Numer. Algorithms 87 (2) (2021)
Geovani Nunes Grapiglia, Ekkehard W. Sachs
On the worst-case evaluation complexity of non-monotone line search algorithms. Comput. Optim. Appl. 68 (3) (2017)
Roland Herzog, Ekkehard W. Sachs
Superlinear Convergence of Krylov Subspace Methods for Self-Adjoint Problems in Hilbert Space. SIAM J. Numer. Anal. 53 (3) (2015)
Ralf T. Münnich, Ekkehard W. Sachs, Matthias Wagner
Calibration of estimator-weights via semismooth Newton method. J. Glob. Optim. 52 (3) (2012)
F. Gerlich, A. M. Giese, Jan H. Maruhn, Ekkehard W. Sachs
Parameter identification in financial market models with a feasible point SQP algorithm. Comput. Optim. Appl. 51 (3) (2012)
Roland Herzog, Ekkehard W. Sachs
Preconditioned Conjugate Gradient Method for Optimal Control Problems with Control and State Constraints. SIAM J. Matrix Anal. Appl. 31 (5) (2010)
Jan H. Maruhn, Ekkehard W. Sachs
Robust static hedging of barrier options in stochastic volatility models. Math. Methods Oper. Res. 70 (3) (2009)
Christoph Käbe, Jan H. Maruhn, Ekkehard W. Sachs
Adjoint-based Monte Carlo calibration of financial market models. Finance Stochastics 13 (3) (2009)
F. Feitzinger, T. Hylla, Ekkehard W. Sachs
Inexact Kleinman-Newton Method for Riccati Equations. SIAM J. Matrix Anal. Appl. 31 (2) (2009)
John A. Burns, Ekkehard W. Sachs, Lizette Zietsman
Mesh Independence of Kleinman--Newton Iterations for Riccati Equations in Hilbert Space. SIAM J. Control. Optim. 47 (5) (2008)
John A. Burns, Ekkehard W. Sachs, Lizette Zietsman
Approximations and Mesh Independence for LQR Optimal Control. CDC (2006)
Eyal Arian, Marco Fahl, Ekkehard W. Sachs
Managing POD models by optimization methods. CDC (2002)
Ekkehard W. Sachs, Stefan Volkwein
Augmented Lagrange-SQP Methods with Lipschitz-Continuous Lagrange Multiplier Updates. SIAM J. Numer. Anal. 40 (1) (2002)
D. Kleis, Ekkehard W. Sachs
Optimal Control of the Sterilization of Prepackaged Food. SIAM J. Optim. 10 (4) (2000)
Belinda B. King, Ekkehard W. Sachs
Semidefinite Programming Techniques for Reduced Order Systems with Guaranteed Stability Margins. Comput. Optim. Appl. 17 (1) (2000)
A. Battermann, Ekkehard W. Sachs
An Indefinite Preconditioner for KKT Systems Arising in Optimal Control Problems Universität Trier, Mathematik/Informatik, Forschungsbericht (2000)
El-Sayed M. E. Mostafa, Ekkehard W. Sachs
A Lagrangian Method for Solving the Optimal Output Feedback Design Problem Universität Trier, Mathematik/Informatik, Forschungsbericht (2000)
Friedemann Leibfritz, Ekkehard W. Sachs
Inexact SQP Interior Point Methods and Large Scale Optimal Control Problems. SIAM J. Control. Optim. 38 (1) (1999)
Eyal Arian, A. Battermann, Ekkehard W. Sachs
Approximation of the Newton Step by a Defect Correction Process Universität Trier, Mathematik/Informatik, Forschungsbericht (1999)
Carl T. Kelley, Ekkehard W. Sachs
A Trust Region Method for Parabolic Boundary Control Problems. SIAM J. Optim. 9 (4) (1999)
C. T. Kelley, Ekkehard W. Sachs
Local Convergence of the Symmetric Rank-One Iteration. Comput. Optim. Appl. 9 (1) (1998)
Tankred Rautert, Ekkehard W. Sachs
Computational Design of Optimal Output Feedback Controllers. SIAM J. Optim. 7 (3) (1997)
Friedemann Leibfritz, Ekkehard W. Sachs
Inexact SQP Interior Point Methods and Large Scale Optimal Control Problems Universität Trier, Mathematik/Informatik, Forschungsbericht (1996)
S. Ito, Carl T. Kelley, Ekkehard W. Sachs
Inexact primal-dual interior point iteration for linear programs in function spaces. Comput. Optim. Appl. 4 (3) (1995)
Günther Gramlich, Rainer Hettich, Ekkehard W. Sachs
Local Convergence of SQP Methods in Semi-Infinite Programming. SIAM J. Optim. 5 (3) (1995)
Heidi Jäger, Ekkehard W. Sachs
Global Convergence of Inexact Reduced SQP Methods Universität Trier, Mathematik/Informatik, Forschungsbericht (1995)
C. T. Kelley, Ekkehard W. Sachs
Local Convergence of the Symmetric Rank-One Iteration Universität Trier, Mathematik/Informatik, Forschungsbericht (1995)
Tankred Rautert, Ekkehard W. Sachs
Computational Design of Optimal Output Feedback Controllers Universität Trier, Mathematik/Informatik, Forschungsbericht (1995)
D. Kleis, Ekkehard W. Sachs
Convergence Rate of the Augmented Lagrangian SQP Method Universität Trier, Mathematik/Informatik, Forschungsbericht (1995)
C. T. Kelley, Ekkehard W. Sachs
Multilevel Algorithms for Constrained Compact Fixed Point Problems. SIAM J. Sci. Comput. 15 (3) (1994)
Carl T. Kelley, Ekkehard W. Sachs
Pointwise Broyden Methods. SIAM J. Optim. 3 (2) (1993)
F.-S. Kupfer, Ekkehard W. Sachs
Numerical solution of a nonlinear parabolic control problem by a reduced SQP method. Comput. Optim. Appl. 1 (1) (1992)
Carl T. Kelley, Ekkehard W. Sachs
A New Proof of Superlinear Convergence for Broyden's Method in Hilbert Space. SIAM J. Optim. 1 (1) (1991)
Carl T. Kelley, Ekkehard W. Sachs
Fast Algorithms for Compact Fixed Point Problems with Inexact Function Evaluations. SIAM J. Sci. Comput. 12 (4) (1991)
C. T. Kelley, Ekkehard W. Sachs
Approximate Quasi-Newton Methods. Math. Program. 48 (1990)
Ekkehard W. Sachs
Broyden's method in Hilbert space. Math. Program. 35 (1) (1986)