Mathematical Programs with Equilibrium Constraints: Enhanced Fritz John-conditions, New Constraint Qualifications, and Improved Exact Penalty Results. - Christian Kanzow; Alexandra Schwartz (SIAM J. Optim., 2010)

Convergence of a local regularization approach for mathematical programmes with complementarity or vanishing constraints. - Tim Hoheisel; Christian Kanzow; Alexandra Schwartz (Optim. Methods Softw., 2012)

Theoretical and numerical comparison of relaxation methods for mathematical programs with complementarity constraints. - Tim Hoheisel; Christian Kanzow; Alexandra Schwartz (Math. Program., 2013)

A New Regularization Method for Mathematical Programs with Complementarity Constraints with Strong Convergence Properties. - Christian Kanzow; Alexandra Schwartz (SIAM J. Optim., 2013)

Convergence properties of the inexact Lin-Fukushima relaxation method for mathematical programs with complementarity constraints. - Christian Kanzow; Alexandra Schwartz (Comput. Optim. Appl., 2014)

Lottery versus all-pay auction contests: A revenue dominance theorem. - Jörg Franke; Christian Kanzow; Wolfgang Leininger; Alexandra Schwartz (Games Econ. Behav., 2014)

The Price of Inexactness: Convergence Properties of Relaxation Methods for Mathematical Programs with Complementarity Constraints Revisited. - Christian Kanzow; Alexandra Schwartz (Math. Oper. Res., 2015)

Constraint qualifications and optimality conditions for optimization problems with cardinality constraints. - Michal Cervinka; Christian Kanzow; Alexandra Schwartz (Math. Program., 2016)

Mathematical Programs with Cardinality Constraints: Reformulation by Complementarity-Type Conditions and a Regularization Method. - Oleg P. Burdakov; Christian Kanzow; Alexandra Schwartz (SIAM J. Optim., 2016)

A Generalized Nash Game for Mobile Edge Computation Offloading. - Daniel Nowak; Tobias Mahn; Hussein Al-Shatri; Alexandra Schwartz; Anja Klein 002 (MobileCloud, 2018)

Convergence of a Scholtes-type regularization method for cardinality-constrained optimization problems with an application in sparse robust portfolio optimization. - Martin Branda; Max Bucher; Michal Cervinka; Alexandra Schwartz (Comput. Optim. Appl., 2018)

Second-Order Optimality Conditions and Improved Convergence Results for Regularization Methods for Cardinality-Constrained Optimization Problems. - Max Bucher; Alexandra Schwartz (J. Optim. Theory Appl., 2018)

Sequential optimality conditions for cardinality-constrained optimization problems with applications. - Christian Kanzow; Andreas B. Raharja; Alexandra Schwartz (Comput. Optim. Appl., 2021)

An Augmented Lagrangian Method for Cardinality-Constrained Optimization Problems. - Christian Kanzow; Andreas B. Raharja; Alexandra Schwartz (J. Optim. Theory Appl., 2021)

A tractable multi-leader multi-follower peak-load-pricing model with strategic interaction. - Veronika Grimm; Daniel Nowak; Lars Schewe; Martin Schmidt 003; Alexandra Schwartz; Gregor Zöttl (Math. Program., 2022)

A study of one-parameter regularization methods for mathematical programs with vanishing constraints. - Tim Hoheisel; Blanca Pablos; Aram-Alexandre Pooladian; Alexandra Schwartz; Luke Steverango (Optim. Methods Softw., 2022)

Nonconvex equilibrium models for energy markets: exploiting price information to determine the existence of an equilibrium. - Julia Grübel; Olivier Huber; Lukas Hümbs; Max Klimm; Martin Schmidt 003; Alexandra Schwartz (Optim. Methods Softw., 2023)

Cardinality Minimization, Constraints, and Regularization: A Survey. - Andreas M. Tillmann; Daniel Bienstock; Andrea Lodi 001; Alexandra Schwartz (SIAM Rev., 2024)

Dynamic pricing and strategic retailers in the energy sector: A multi-leader-follower approach. - Giorgia Oggioni; Alexandra Schwartz; Ann-Kathrin Wiertz; Gregor Zöttl (Eur. J. Oper. Res., 2024)

The sparse(st) optimization problem: reformulations, optimality, stationarity, and numerical results. - Christian Kanzow; Alexandra Schwartz; Felix Weiß (Comput. Optim. Appl., 2025)

On a tractable single-level reformulation of a multilevel model of the European entry-exit gas market with market power. - Veronika Grimm; Julia Grübel; Martin Schmidt 003; Alexandra Schwartz; Ann-Kathrin Wiertz; Gregor Zöttl (J. Glob. Optim., 2025)