Alexandra Schwartz

23 papers Journal 22Unranked 1
YearRankTypeTitle / Venue / Authors
2025 J jnl
On a tractable single-level reformulation of a multilevel model of the European entry-exit gas market with market power.
J. Glob. Optim.
Veronika Grimm, Julia Grübel, Martin Schmidt, Alexandra Schwartz, Ann-Kathrin Wiertz, Gregor Zöttl
2025 J jnl
Publisher Correction: On a tractable single-level reformulation of a multilevel model of the European entry-exit gas market with market power.
J. Glob. Optim.
Veronika Grimm, Julia Grübel, Martin Schmidt, Alexandra Schwartz, Ann-Kathrin Wiertz, Gregor Zöttl
2025 J jnl
The sparse(st) optimization problem: reformulations, optimality, stationarity, and numerical results.
Comput. Optim. Appl.
Christian Kanzow, Alexandra Schwartz, Felix Weiß
2024 J jnl
Cardinality Minimization, Constraints, and Regularization: A Survey.
SIAM Rev.
Andreas M. Tillmann, Daniel Bienstock, Andrea Lodi, Alexandra Schwartz
2024 J jnl
Dynamic pricing and strategic retailers in the energy sector: A multi-leader-follower approach.
Eur. J. Oper. Res.
Giorgia Oggioni, Alexandra Schwartz, Ann-Kathrin Wiertz, Gregor Zöttl
2023 J jnl
Nonconvex equilibrium models for energy markets: exploiting price information to determine the existence of an equilibrium.
Optim. Methods Softw.
Julia Grübel, Olivier Huber, Lukas Hümbs, Max Klimm, Martin Schmidt, Alexandra Schwartz
2022 J jnl
A study of one-parameter regularization methods for mathematical programs with vanishing constraints.
Optim. Methods Softw.
Tim Hoheisel, Blanca Pablos, Aram-Alexandre Pooladian, Alexandra Schwartz, Luke Steverango
2022 J jnl
A tractable multi-leader multi-follower peak-load-pricing model with strategic interaction.
Math. Program.
Veronika Grimm, Daniel Nowak, Lars Schewe, Martin Schmidt, Alexandra Schwartz, Gregor Zöttl
2021 J jnl
An Augmented Lagrangian Method for Cardinality-Constrained Optimization Problems.
J. Optim. Theory Appl.
Christian Kanzow, Andreas B. Raharja, Alexandra Schwartz
2021 J jnl
Cardinality Minimization, Constraints, and Regularization: A Survey.
CoRR
Andreas M. Tillmann, Daniel Bienstock, Andrea Lodi, Alexandra Schwartz
2021 J jnl
Sequential optimality conditions for cardinality-constrained optimization problems with applications.
Comput. Optim. Appl.
Christian Kanzow, Andreas B. Raharja, Alexandra Schwartz
2018 — conf
A Generalized Nash Game for Mobile Edge Computation Offloading.
MobileCloud
Daniel Nowak, Tobias Mahn, Hussein Al-Shatri, Alexandra Schwartz, Anja Klein
2018 J jnl
Convergence of a Scholtes-type regularization method for cardinality-constrained optimization problems with an application in sparse robust portfolio optimization.
Comput. Optim. Appl.
Martin Branda, Max Bucher, Michal Cervinka, Alexandra Schwartz
2018 J jnl
Second-Order Optimality Conditions and Improved Convergence Results for Regularization Methods for Cardinality-Constrained Optimization Problems.
J. Optim. Theory Appl.
Max Bucher, Alexandra Schwartz
2016 J jnl
Constraint qualifications and optimality conditions for optimization problems with cardinality constraints.
Math. Program.
Michal Cervinka, Christian Kanzow, Alexandra Schwartz
2016 J jnl
Mathematical Programs with Cardinality Constraints: Reformulation by Complementarity-Type Conditions and a Regularization Method.
SIAM J. Optim.
Oleg P. Burdakov, Christian Kanzow, Alexandra Schwartz
2015 J jnl
The Price of Inexactness: Convergence Properties of Relaxation Methods for Mathematical Programs with Complementarity Constraints Revisited.
Math. Oper. Res.
Christian Kanzow, Alexandra Schwartz
2014 J jnl
Convergence properties of the inexact Lin-Fukushima relaxation method for mathematical programs with complementarity constraints.
Comput. Optim. Appl.
Christian Kanzow, Alexandra Schwartz
2014 J jnl
Lottery versus all-pay auction contests: A revenue dominance theorem.
Games Econ. Behav.
Jörg Franke, Christian Kanzow, Wolfgang Leininger, Alexandra Schwartz
2013 J jnl
A New Regularization Method for Mathematical Programs with Complementarity Constraints with Strong Convergence Properties.
SIAM J. Optim.
Christian Kanzow, Alexandra Schwartz
2013 J jnl
Theoretical and numerical comparison of relaxation methods for mathematical programs with complementarity constraints.
Math. Program.
Tim Hoheisel, Christian Kanzow, Alexandra Schwartz
2012 J jnl
Convergence of a local regularization approach for mathematical programmes with complementarity or vanishing constraints.
Optim. Methods Softw.
Tim Hoheisel, Christian Kanzow, Alexandra Schwartz
2010 J jnl
Mathematical Programs with Equilibrium Constraints: Enhanced Fritz John-conditions, New Constraint Qualifications, and Improved Exact Penalty Results.
SIAM J. Optim.
Christian Kanzow, Alexandra Schwartz