Andrea Walther

ORCID

Publication Activity (10 Years)

Years Active: 2000-2023
Publications (10 Years): 25

Top Venues

Optim. Methods Softw.

CoRR

SIAM J. Optim.

Math. Program.

Dresden University of Technology, Germany (PHD)

Education History

Dresden University of Technology, Germany

PHD

Publications

Varadarajan Rengaraj, Sebastian Jost, Franz Bethke, Christian Plessl, Hossein Mirhosseini, Andrea Walther, Thomas D. Kühne
A Two-Step Machine Learning Method for Predicting the Formation Energy of Ternary Compounds. Comput. 11 (5) (2023)
Jannis Bulling, Benjamin Jurgelucks, Jens Prager, Andrea Walther
Experimental validation of an inverse method for defect reconstruction in a 2D waveguide model. CoRR (2023)
Moritz Piening, Fabian Altekrüger, Johannes Hertrich, Paul Hagemann, Andrea Walther, Gabriele Steidl
Learning from small data sets: Patch-based regularizers in inverse problems for image reconstruction. CoRR (2023)
Timo Kreimeier, Martina Kuchlbauer, Frauke Liers, Michael Stingl, Andrea Walther
Towards the Solution of Robust Gas Network Optimization Problems Using the Constrained Active Signature Method. INOC (2022)
Jannis Bulling, Benjamin Jurgelucks, Jens Prager, Andrea Walther
Defect reconstruction in a 2D semi-analytical waveguide model via derivative-based optimization. CoRR (2021)
Arne Bockhorn, Sri Hari Krishna Narayanan, Andrea Walther
Checkpointing Approaches for the Computation of Adjoints Covering Resilience Issues. CSC (2020)
Assefaw H. Gebremedhin, Andrea Walther
An introduction to algorithmic differentiation. WIREs Data Mining Knowl. Discov. 10 (1) (2020)
Andreas Griewank, Andrea Walther
Polyhedral DC Decomposition and DCA Optimization of Piecewise Linear Functions. Algorithms 13 (7) (2020)
Andreas Griewank, Andrea Walther
Finite convergence of an active signature method to local minima of piecewise linear functions. Optim. Methods Softw. 34 (5) (2019)
Andreas Griewank, Andrea Walther
Relaxing Kink Qualifications and Proving Convergence Rates in Piecewise Smooth Optimization. SIAM J. Optim. 29 (1) (2019)
Sabrina Fiege, Andrea Walther, Andreas Griewank
An algorithm for nonsmooth optimization by successive piecewise linearization. Math. Program. 177 (1-2) (2019)
Andrea Walther, Andreas Griewank
Characterizing and Testing Subdifferential Regularity in Piecewise Smooth Optimization. SIAM J. Optim. 29 (2) (2019)
Navjot Kukreja, Jan Hückelheim, Michael Lange, Mathias Louboutin, Andrea Walther, Simon W. Funke, Gerard Gorman
High-level python abstractions for optimal checkpointing in inversion problems. CoRR (2018)
Stephan Schmidt, Maria Schutte, Andrea Walther
Efficient Numerical Solution of Geometric Inverse Problems Involving Maxwell's Equations Using Shape Derivatives and Automatic Code Generation. SIAM J. Sci. Comput. 40 (2) (2018)
Andreas Griewank, Andrea Walther, Koichi Kubota, Siegfried M. Rump
Piecewise smooth system and optimization with piecewise linearization via algorithmic differentiation (NII Shonan Meeting 2018-9). NII Shonan Meet. Rep. 2018 (2018)
Benjamin Jurgelucks, Leander Claes, Andrea Walther, Bernd Henning
Optimization of triple-ring electrodes on piezoceramic transducers using algorithmic differentiation. Optim. Methods Softw. 33 (4-6) (2018)
Lisa Kusch, Tim Albring, Andrea Walther, Nicolas R. Gauger
A one-shot optimization framework with additional equality constraints applied to multi-objective aerodynamic shape optimization. Optim. Methods Softw. 33 (4-6) (2018)
Mladen Banovic, Orest Mykhaskiv, Salvatore Auriemma, Andrea Walther, Herve Legrand, Jens-Dominik Müller
Algorithmic differentiation of the Open CASCADE Technology CAD kernel and its coupling with an adjoint CFD solver. Optim. Methods Softw. 33 (4-6) (2018)
Sabrina Fiege, Andrea Walther, Kshitij Kulshreshtha, Andreas Griewank
Algorithmic differentiation for piecewise smooth functions: a case study for robust optimization. Optim. Methods Softw. 33 (4-6) (2018)
Willi Braun, Kshitij Kulshreshtha, Rüdiger Franke, Andrea Walther, Bernhard Bachmann
Towards Adjoint and Directional Derivatives in FMI utilizing ADOL-C within OpenModelica. Modelica (2017)
Drosos Kourounis, Leonidas Gergidis, Michael A. Saunders, Andrea Walther, Olaf Schenk
Compile-Time Symbolic Differentiation Using C++ Expression Templates. CoRR (2017)
Andrea Walther, Lorenz T. Biegler
On an inexact trust-region SQP-filter method for constrained nonlinear optimization. Comput. Optim. Appl. 63 (3) (2016)
Andreas Griewank, Andrea Walther
First- and second-order optimality conditions for piecewise smooth objective functions. Optim. Methods Softw. 31 (5) (2016)
Andrea Walther, Nicolas R. Gauger, Lisa Kusch, Natalie Richert
On an extension of one-shot methods to incorporate additional constraints. Optim. Methods Softw. 31 (3) (2016)
Andreas Griewank, Andrea Walther, Sabrina Fiege, Torsten Bosse
On Lipschitz optimization based on gray-box piecewise linearization. Math. Program. 158 (1-2) (2016)
Kim Feldhoff, Martin Flehmig, Ulf Markwardt, Wolfgang E. Nagel, Maria Schutte, Andrea Walther
SCADOPT: An Open-Source HPC Framework for Solving PDE Constrained Optimization Problems Using AD. HPCC/CSS/ICESS (2014)
Jamel Nebhen, Eric Savary, Wenceslas Rahajandraibe, Christian Dufaza, Stéphane Meillére, Fayrouz Haddad, Edith Kussener, Hervé Barthélemy, Jaroslaw Czarny, Andrea Walther
Low-noise CMOS analog-to-digital interface for MEMS resistive microphone. ICECS (2013)
Bruce Christianson, Uwe Naumann, Jean Utke, Andrea Walther
Preface. Optim. Methods Softw. 27 (2) (2012)
Andreas Griewank, Kshitij Kulshreshtha, Andrea Walther
On the numerical stability of algorithmic differentiation. Computing 94 (2-4) (2012)
Andrea Walther, Sree Rama Raju Vetukuri, Lorenz T. Biegler
A first-order convergence analysis of trust-region methods with inexact Jacobians and inequality constraints. Optim. Methods Softw. 27 (2) (2012)
Tobias Steinle, Jadran Vrabec, Andrea Walther
Numerical Simulation of the Damping Behavior of Particle-Filled Hollow Spheres. HPSC (2012)
Andrea Walther, Lorenz T. Biegler
Numerical experiments with an inexact Jacobian trust-region algorithm. Comput. Optim. Appl. 48 (2) (2011)
Mathias Wagner, Andrea Walther, Bernd-Jochen Schaefer
On the efficient computation of high-order derivatives for implicitly defined functions. Comput. Phys. Commun. 181 (4) (2010)
Philipp Stumm, Andrea Walther
New Algorithms for Optimal Online Checkpointing. SIAM J. Sci. Comput. 32 (2) (2010)
Moritz Diehl, Andrea Walther, Hans Georg Bock, Ekaterina A. Kostina
An adjoint-based SQP algorithm with quasi-Newton Jacobian updates for inequality constrained optimization. Optim. Methods Softw. 25 (4) (2010)
Sebastian Schlenkrich, Andreas Griewank, Andrea Walther
On the local convergence of adjoint Broyden methods. Math. Program. 121 (2) (2010)
Assefaw Hadish Gebremedhin, Arijit Tarafdar, Alex Pothen, Andrea Walther
Efficient Computation of Sparse Hessians Using Coloring and Automatic Differentiation. INFORMS J. Comput. 21 (2) (2009)
Andrea Walther
Getting Started with ADOL-C. Combinatorial Scientific Computing (2009)
Philipp Stumm, Andrea Walther
MultiStage Approaches for Optimal Offline Checkpointing. SIAM J. Sci. Comput. 31 (3) (2009)
Andrea Walther
A First-Order Convergence Analysis of Trust-Region Methods with Inexact Jacobians. SIAM J. Optim. 19 (1) (2008)
Andrea Walther
Computing sparse Hessians with automatic differentiation. ACM Trans. Math. Softw. 34 (1) (2008)
Andreas Kowarz, Andrea Walther
Parallel Derivative Computation using ADOL-C. PASA (2008)
Andreas Griewank, Sebastian Schlenkrich, Andrea Walther
-order of an adjoint Broyden method without the assumption of linearly independent steps. Optim. Methods Softw. 23 (2) (2008)
Andrea Walther
Automatic differentiation of explicit Runge-Kutta methods for optimal control. Comput. Optim. Appl. 36 (1) (2007)
Antje Noack, Andrea Walther
Adjoint concepts for the optimal control of Burgers equation. Comput. Optim. Appl. 36 (1) (2007)
Andreas Griewank, Andrea Walther, Maciek Korzec
Maintaining factorized KKT systems subject to rank-one updates of Hessians and Jacobians. Optim. Methods Softw. 22 (2) (2007)
Andreas Kowarz, Andrea Walther
Optimal Checkpointing for Time-Stepping Procedures in ADOL-C. International Conference on Computational Science (4) (2006)
Sebastian Schlenkrich, Andrea Walther, Nicolas R. Gauger, Ralf Heinrich
Differentiating Fixed Point Iterations with ADOL-C: Gradient Calculation for Fluid Dynamics. HPSC (2006)
Vincent Heuveline, Andrea Walther
Online Checkpointing for Parallel Adjoint Computation in PDEs: Application to Goal-Oriented Adaptivity and Flow Control. Euro-Par (2006)
Andrea Walther
Bounding the Number of Processors and Checkpoints Needed in Time-minimal Parallel Reversal Schedules. Computing 73 (2) (2004)
Andrea Walther
Program reversals for evolutions with non-uniform step costs. Acta Informatica 40 (4) (2004)
Andreas Griewank, Andrea Walther
On the Efficient Generation of Taylor Expansions for DAE Solutions by Automatic Differentiation. PARA (2004)
Uwe Naumann, Andrea Walther
An Introduction to Using Software Tools for Automatic Differentiation CoRR (2003)
Andreas Griewank, Andrea Walther
On constrained optimization by adjoint based quasi-Newton methods. Optim. Methods Softw. 17 (5) (2002)
Uwe Lehmann, Andrea Walther
The Implementation and Testing of Time-Minimal and Resource-Optimal Parallel Reversal Schedules. International Conference on Computational Science (2) (2002)
Andrea Walther, Uwe Lehmann
Adjoint Calculation Using Time-Minimal Program Reversals for Multi-Processor Machines. System Modelling and Optimization (2001)
Andreas Griewank, Andrea Walther
Algorithm 799: revolve: an implementation of checkpointing for the reverse or adjoint mode of computational differentiation. ACM Trans. Math. Softw. 26 (1) (2000)
Andreas Griewank, Jean Utke, Andrea Walther
Evaluating higher derivative tensors by forward propagation of univariate Taylor series. Math. Comput. 69 (231) (2000)

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Publication Activity (10 Years)

Top Topics

Top Venues

Andrea Walther