Publications

Javier Cembrano, José Correa, Ulrike Schmidt-Kraepelin, Alexandros Tsigonias-Dimitriadis, Victor Verdugo (2025). New Combinatorial Insights for Monotone Apportionment. Accepted, Mathematics of Operations Research.

Paul Dütting, Evangelia Gergatsouli, Rojin Rezvan, Yifeng Teng, Alexandros Tsigonias-Dimitriadis (2025). Prophet Secretary Against the Online Optimal. Accepted, Mathematics of Operations Research.

José Correa, Émile Naquin, Nicolás Stier-Moses, Alexandros Tsigonias-Dimitriadis, Victor Verdugo (2025). Online Policies for Content Recommendation with Fairness Constraints. Submitted.

José Correa, Andrés Cristi, Laurent Feuilloley, Tim Oosterwijk, Alexandros Tsigonias-Dimitriadis (2025). The Secretary Problem with Independent Sampling. Management Science.

DOI Paper Appendix

Tomer Ezra, Stefano Leonardi, Rebecca Reiffenhäuser, Matteo Russo, Alexandros Tsigonias-Dimitriadis (2025). Prophet Inequalities via the Expected Competitive Ratio. ACM Transactions on Economics and Computation (ACM TEAC).

DOI

Javier Cembrano, José Correa, Ulrike Schmidt-Kraepelin, Alexandros Tsigonias-Dimitriadis, Victor Verdugo (2025). New Combinatorial Insights for Monotone Apportionment. In the proceedings of the 2025 ACM-SIAM Symposium on Discrete Algorithms (SODA ‘25).

DOI arXiv MPI article

Tomer Ezra, Stefano Leonardi, Rebecca Reiffenhäuser, Matteo Russo, Alexandros Tsigonias-Dimitriadis (2023). Prophet Inequalities via the Expected Competitive Ratio. Extended abstract in the 19th Conference on Web and Internet Economics (WINE ‘23).

DOI arXiv slides

Paul Dütting, Evangelia Gergatsouli, Rojin Rezvan, Yifeng Teng, Alexandros Tsigonias-Dimitriadis (2023). Prophet Secretary Against the Online Optimal. In the proceedings of the 24th Conference on Economics and Computation (EC ‘23).

arXiv DOI poster

Eleni Batziou, Giorgos Bouritsas, Alexandros Tsigonias-Dimitriadis (2023). Preference Elicitation in Combinatorial Auctions: An Improved Approach using Reinforcement Learning. Manuscript.

Yiannis Giannakopoulos, Diogo Poças, Alexandros Tsigonias-Dimitriadis (2022). Robust Revenue Maximization Under Minimal Statistical Information. ACM Transactions on Economics and Computation (ACM TEAC).

Cite DOI arXiv

José Correa, Andrés Cristi, Laurent Feuilloley, Tim Oosterwijk, Alexandros Tsigonias-Dimitriadis (2021). The Secretary Problem with Independent Sampling. Extended abstract in the 2021 ACM-SIAM Symposium on Discrete Algorithms (SODA ‘21).

DOI arXiv slides poster

Yiannis Giannakopoulos, Diogo Poças, Alexandros Tsigonias-Dimitriadis (2020). Robust Revenue Maximization Under Minimal Statistical Information. Extended abstract in the 16th Conference on Web and Internet Economics (WINE ‘20).

DOI slides video