Improved and Derandomized Approximations for Two-Criteria Metric Traveling Salesman. - Christian Glaßer; Christian Reitwießner; Maximilian Witek (Electron. Colloquium Comput. Complex., 2009)

Approximability and Hardness in Multi-objective Optimization. - Christian Glaßer; Christian Reitwießner; Heinz Schmitz; Maximilian Witek (CiE, 2010)

Balanced Combinations of Solutions in Multi-Objective Optimization - Christian Glaßer; Christian Reitwießner; Maximilian Witek (CoRR, 2010)

Hardness and Approximability in Multi-Objective Optimization. - Christian Glaßer; Christian Reitwießner; Heinz Schmitz; Maximilian Witek (Electron. Colloquium Comput. Complex., 2010)

Applications of Discrepancy Theory in Multiobjective Approximation. - Christian Glaßer; Christian Reitwießner; Maximilian Witek (FSTTCS, 2011)

The Complexity of Solving Multiobjective Optimization Problems and its Relation to Multivalued Functions. - Krzysztof Fleszar 001; Christian Glaßer; Fabian Lipp; Christian Reitwießner; Maximilian Witek (Electron. Colloquium Comput. Complex., 2011)

Structural Complexity of Multiobjective NP Search Problems. - Krzysztof Fleszar 001; Christian Glaßer; Fabian Lipp; Christian Reitwießner; Maximilian Witek (LATIN, 2012)

Autoreducibility of Complete Sets for Log-Space and Polynomial-Time Reductions. - Christian Glaßer; Dung T. Nguyen; Christian Reitwießner; Alan L. Selman; Maximilian Witek (Electron. Colloquium Comput. Complex., 2013)

Autoreducibility and Mitoticity of Logspace-Complete Sets for NP and Other Classes. - Christian Glaßer; Maximilian Witek (Electron. Colloquium Comput. Complex., 2013)

Multiobjective Traveling Salesman Problems and Redundancy of Complete Sets (Mehrkriterielle Traveling Salesman Probleme und Redundanz vollständiger Mengen) - Maximilian Witek (2014)

Introduction to Autoreducibility and Mitoticity. - Christian Glaßer; Dung T. Nguyen; Alan L. Selman; Maximilian Witek (Computability and Complexity, 2017)