Helmut Gfrerer

According to our database, Helmut Gfrerer authored at least 30 papers between 1982 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

On SCD Semismooth^* Newton methods for the efficient minimization of Tikhonov functionals with non-smooth and non-convex penalties.

Helmut Gfrerer, Simon Hubmer, Ronny Ramlau

CoRR, 2024

2023

Second-Order Optimality Conditions for General Nonconvex Optimization Problems and Variational Analysis of Disjunctive Systems.

Matus Benko, Helmut Gfrerer, Jane J. Ye, Jin Zhang, Jinchuan Zhou

SIAM J. Optim., December, 2023

On the SCD semismooth* Newton method for generalized equations with application to a class of static contact problems with Coulomb friction.

Helmut Gfrerer, Michael Mandlmayr, Jirí V. Outrata, Jan Valdman

Comput. Optim. Appl., December, 2023

Radius theorems for subregularity in infinite dimensions.

Helmut Gfrerer, Alexander Y. Kruger

Comput. Optim. Appl., December, 2023

2022

Second-Order Optimality Conditions for Nonconvex Set-Constrained Optimization Problems.

Helmut Gfrerer, Jane J. Ye, Jinchuan Zhou

Math. Oper. Res., 2022

2021

On a Semismooth* Newton Method for Solving Generalized Equations.

Helmut Gfrerer, Jirí V. Outrata

SIAM J. Optim., 2021

On the Solution of Contact Problems with Tresca Friction by the Semismooth* Newton Method.

Helmut Gfrerer, Jirí V. Outrata, Jan Valdman

Proceedings of the Large-Scale Scientific Computing - 13th International Conference, 2021

2019

Second-Order Variational Analysis of Parametric Constraint and Variational Systems.

Helmut Gfrerer, Boris S. Mordukhovich

SIAM J. Optim., 2019

Characterizations of Tilt-Stable Minimizers in Second-Order Cone Programming.

Matus Benko, Helmut Gfrerer, Boris S. Mordukhovich

SIAM J. Optim., 2019

2017

New Constraint Qualifications for Mathematical Programs with Equilibrium Constraints via Variational Analysis.

Helmut Gfrerer, Jane J. Ye

SIAM J. Optim., 2017

Robinson Stability of Parametric Constraint Systems via Variational Analysis.

Helmut Gfrerer, Boris S. Mordukhovich

SIAM J. Optim., 2017

On the Aubin property of a class of parameterized variational systems.

Helmut Gfrerer, Jirí V. Outrata

Math. Methods Oper. Res., 2017

An SQP method for mathematical programs with vanishing constraints with strong convergence properties.

Matus Benko, Helmut Gfrerer

Comput. Optim. Appl., 2017

2016

On Lipschitzian Properties of Implicit Multifunctions.

Helmut Gfrerer, Jirí V. Outrata

SIAM J. Optim., 2016

Lipschitz and Hölder stability of optimization problems and generalized equations.

Helmut Gfrerer, Diethard Klatte

Math. Program., 2016

On Computation of Generalized Derivatives of the Normal-Cone Mapping and Their Applications.

Helmut Gfrerer, Jirí V. Outrata

Math. Oper. Res., 2016

An SQP method for mathematical programs with complementarity constraints with strong convergence properties.

Matus Benko, Helmut Gfrerer

Kybernetika, 2016

2015

Complete Characterizations of Tilt Stability in Nonlinear Programming under Weakest Qualification Conditions.

Helmut Gfrerer, Boris S. Mordukhovich

SIAM J. Optim., 2015

2014

Optimality Conditions for Disjunctive Programs Based on Generalized Differentiation with Application to Mathematical Programs with Equilibrium Constraints.

Helmut Gfrerer

SIAM J. Optim., 2014

2013

On Directional Metric Subregularity and Second-Order Optimality Conditions for a Class of Nonsmooth Mathematical Programs.

Helmut Gfrerer

SIAM J. Optim., 2013

2011

First Order and Second Order Characterizations of Metric Subregularity and Calmness of Constraint Set Mappings.

Helmut Gfrerer

SIAM J. Optim., 2011

2007

Second-Order Necessary Conditions for Nonlinear Optimization Problems with Abstract Constraints: The Degenerate Case.

Helmut Gfrerer

SIAM J. Optim., 2007

2006

Second-Order Optimality Conditions for Scalar and Vector Optimization Problems in Banach Spaces.

Helmut Gfrerer

SIAM J. Control. Optim., 2006

1988

Book reviews.

Heinz W. Engl, Günter Schmidt, Helmut Gfrerer, Günther Zäpfel

ZOR Methods Model. Oper. Res., 1988

1984

Optimization of hydro energy storage plant problems by variational methods.

Helmut Gfrerer

Z. Oper. Research, 1984

Optimization strategies for hydro energy storage plants.

Wolfgang Bauer, Helmut Gfrerer, Hansjörg Wacker

Z. Oper. Research, 1984

Globally convergent decomposition methods for nonconvex optimization problems.

Helmut Gfrerer

Computing, 1984

1983

Global konvergente Optimierungsverfahren mit Anwendung auf die Höhensteuerung eines Speicherkraftwerkes.

Helmut Gfrerer

PhD thesis, 1983

A globally convergent algorithm based on imbedding and parametric optimization.

Helmut Gfrerer, J. Guddat, Hansjörg Wacker

Computing, 1983

1982

Uniform convergence of interpolation by cubic splines.

Helmut Gfrerer

Computing, 1982