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Technical University of Munich

Alexander Schlenga

E-Mail: alexander.schlenga@tum.de
Phone: +49 (0) 89 289 - 17514
Fax: +49 (0) 89 289 - 17535

Office: Room 01.10.039
Boltzmannstr. 3
85748 Munich, Germany

Short Bio

I am a doctoral candidate and joined the group of Felix Brandt in October 2024. Before that, I did my M.Sc. and B.Sc. in informatics (computer science) at the Technical University of Munich.

In my research, I use mathematical models to investigate the interaction of rational autonomous agents under scarcity of resources or conflicting interests. In particular, this includes social choice, matching, and cooperative game theory. In addition to that, I have a passion for algorithmic problems, computational complexity, and (formal) philosophy.

Currently, my focus lies on the axiomatic study of deterministic social choice functions, in particular regarding choice consistency.

Publications

M. Pagano and A. Schlenga. Nash welfare in additively separable hedonic games. Technical report, https://arxiv.org/abs/2605.19030, 2026. Working paper.

M. Bullinger, R. Romen, and A. Schlenga. The power of matching for online fractional hedonic games. In Proceedings of the 8th AAMAS Workshop on Games, Agents, and Incentives (GAIW), 2026. [ link | pdf ]

F. Brandt, H. Chen, C. Dong, P. Lederer, and A. Schlenga. Majoritarian assignment rules. In Proceedings of the 25th International Conference on Autonomous Agents and Multiagent Systems (AAMAS), pages 901–909, 2026. [ link | pdf | venue ]

M. Bullinger, R. Romen, and A. Schlenga. The power of matching for online fractional hedonic games. In Proceedings of the 37th Annual ACM-SIAM Symposium on Discrete Algorithms (SODA), pages 2163–2194, 2026. [ link | pdf ]

M. Bullinger, R. Romen, and A. Schlenga. The power of matching for online fractional hedonic games. In Proceedings of the 10th International Workshop on Computational Social Choice (COMSOC), 2025. [ link | pdf ]

A. Schlenga. Online coalition formation for fractional hedonic games. Master's thesis, Technical University of Munich, 2024. [ link ]

A. Schlenga. Bounding transition systems' diameters using QBF. Bachelor's thesis, Technical University of Munich, 2021. [ link ]

Teaching

Courses

Student Project Supervision

  • Towards Determining the Value of Ultimate Tic-Tac-Toe (bachelor's thesis) by Trinh Gia Bao Dinh (ongoing)
  • Approximating Nash Welfare in Additively Separable Hedonic Games (master's thesis) by Marta Pagano (finished)

Community Service

Refereeing Conferences

Projects

I maintain and continue to develop the project voting.ml, a website which computes Maximal Lotteries and many other social choice functions. Extra functionality is available at pro.voting.ml. You can send feedback, questions, and requests about this project to me.

Miscellaneous

My Erdős number is at most 4.

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