Thomas Kleinert

According to our database, Thomas Kleinert authored at least 19 papers between 2012 and 2023.

Collaborative distances:

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

2023

Why there is no need to use a big-M in linear bilevel optimization: a computational study of two ready-to-use approaches.

Thomas Kleinert, Martin Schmidt

Comput. Manag. Sci., December, 2023

Mixed-integer programming techniques for the minimum sum-of-squares clustering problem.

Jan Pablo Burgard, Carina Moreira Costa, Christopher Hojny, Thomas Kleinert, Martin Schmidt

J. Glob. Optim., September, 2023

On piecewise linear approximations of bilinear terms: structural comparison of univariate and bivariate mixed-integer programming formulations.

Andreas Bärmann, Robert Burlacu, Lukas Hager, Thomas Kleinert

J. Glob. Optim., April, 2023

2022

On convex lower-level black-box constraints in bilevel optimization with an application to gas market models with chance constraints.

Holger Heitsch, René Henrion, Thomas Kleinert, Martin Schmidt

J. Glob. Optim., 2022

The cost of decoupling trade and transport in the European entry-exit gas market with linear physics modeling.

T. Böttger, Veronika Grimm, Thomas Kleinert, Martin Schmidt

Eur. J. Oper. Res., 2022

2021

Closing the gap in linear bilevel optimization: a new valid primal-dual inequality.

Thomas Kleinert, Martine Labbé, Fränk Plein, Martin Schmidt

Optim. Lett., 2021

Outer approximation for global optimization of mixed-integer quadratic bilevel problems.

Thomas Kleinert, Veronika Grimm, Martin Schmidt

Math. Program., 2021

Computing Feasible Points of Bilevel Problems with a Penalty Alternating Direction Method.

Thomas Kleinert, Martin Schmidt

INFORMS J. Comput., 2021

The impact of neighboring markets on renewable locations, transmission expansion, and generation investment.

Jonas Egerer, Veronika Grimm, Thomas Kleinert, Martin Schmidt, Gregor Zöttl

Eur. J. Oper. Res., 2021

Presolving linear bilevel optimization problems.

Thomas Kleinert, Julian Manns, Martin Schmidt, Dieter Weninger

EURO J. Comput. Optim., 2021

A Survey on Mixed-Integer Programming Techniques in Bilevel Optimization.

Thomas Kleinert, Martine Labbé, Ivana Ljubic, Martin Schmidt

EURO J. Comput. Optim., 2021

2020

Technical Note - There's No Free Lunch: On the Hardness of Choosing a Correct Big-M in Bilevel Optimization.

Thomas Kleinert, Martine Labbé, Fränk Plein, Martin Schmidt

Oper. Res., 2020

On electricity market equilibria with storage: Modeling, uniqueness, and a distributed ADMM.

Julia Grübel, Thomas Kleinert, Vanessa Krebs, Galina Orlinskaya, Lars Schewe, Martin Schmidt, Johannes Thürauf

Comput. Oper. Res., 2020

2019

Optimal price zones of electricity markets: a mixed-integer multilevel model and global solution approaches.

Veronika Grimm, Thomas Kleinert, Frauke Liers, Martin Schmidt, Gregor Zöttl

Optim. Methods Softw., 2019

Global optimization of multilevel electricity market models including network design and graph partitioning.

Thomas Kleinert, Martin Schmidt

Discret. Optim., 2019

2016

Results of a Qualitative Survey about the AP-Plication of Business Information Systems in German Craft Enterprises - First Findings of an Ongoing Research Project.

Marius Schönberger, Thomas Kleinert

Proceedings of the 24th European Conference on Information Systems, 2016

2014

Reflecting on Application Development for Organizational Reflective Learning Support.

Thomas Kleinert, Tobias Dumont, Peter Fettke, Peter Loos

Proceedings of the 20th Americas Conference on Information Systems, 2014

2012

Towards an IT Solution to Support Reflective Learning at the Workplace.

Silke Balzert, Daniel Wessel, Thomas Kleinert, Kristin Knipfer, Peter Fettke

Proceedings of the 20th European Conference on Information Systems, 2012

Systematic Identification of Service-Blueprints for Service-Processes - A Method and Exemplary Application - (Research Paper).

Thomas Kleinert, Silke Balzert, Peter Fettke, Peter Loos

Proceedings of the Business Process Management Workshops, 2012