A postdoc fellow in The Strategic IntelliGence for Machine Agents (SIGMA) Lab, led by Haifeng Xu at the Department of Computer Science at the University of Chicago, United States.

Research interests

Computational social choice • Decision making • Social choice simulations • Parameterized complexity • Multiwinner and single-winner elections • Multiwinner and single-winner voting • Fair allocation • Fair division •

Selected Working Papers

Putting Fair Division on the Map (preprint)
Paula Böhm, Robert Bredereck, Paul Gölz, Andrzej Kaczmarczyk, and Stanisław Szufa

News

• [Mar 25] Our paper Efficient Algorithms for Electing Successive Committees (Pallavi Jain, Andrzej Kaczmarczyk) accepted for publication at IJCAI-25.
• [Dec 24] Our paper Computing Efficient Envy-Free Partial Allocations of Indivisible Goods (Robert Bredereck, Andrzej Kaczmarczyk, Junjie Luo, Bin Sun) accepted for publication at AAMAS-25.
• [Dec 24] Our paper Learning Real-Life Approval Elections (Piotr Faliszewski, Łukasz Janeczko, Andrzej Kaczmarczyk, Marcin Kurdziel, Grzegorz Pierczyński, and Stanisław Szufa) accepted for publication at AAMAS-25.
• [Aug 24] Excited to start as a postdoc at The SIGMA Lab at UChicago. Grateful to Haifeng Xu, the lab's leader.
• [Jul 24] Presenting our work in progress Putting Fair Division on the Map (Paula Böhm, Robert Bredereck, Paul Gölz, Andrzej Kaczmarczyk, and Stanisław Szufa) at The 17th meeting of the Society for Social Choice and Welfare in Paris.
• [May 24] Our paper Strategic Cost Selection in Participatory Budgeting (Piotr Faliszewski, Łukasz Janeczko, Andrzej Kaczmarczyk, Grzegorz Lisowski, Piotr Skowron, and Stanisław Szufa) published as an extended abstract at AAMAS-24.
• [Apr 24] Our paper Selecting the Most Conflicting Pair of Candidates (Théo Delemazure, Łukasz Janeczko, Andrzej Kaczmarczyk, and Stanisław Szufa) accepted for presentation at IJCAI-24. See the arXiv version!
• [Apr 24] Our survey Guide to Numerical Experiments on Elections in Computational Social Choice (Niclas Boehmer, Piotr Faliszewski, Łukasz Janeczko, Andrzej Kaczmarczyk, Grzegorz Lisowski, Grzegorz Pierczyński, Simon Rey, Dariusz Stolicki, Stanisław Szufa, and Tomasz Wąs) accepted to the IJCAI-24 Survey Track. See the arXiv version!
• [Mar 24] Presenting our work in progress Selecting the Most Conflicting Pair of Candidates (Théo Delemazure, Łukasz Janeczko, Andrzej Kaczmarczyk, and Stanisław Szufa) at WKRECAI — Warsaw–Krakow Seminar on Economics and AI.
• [Mar 24] Visiting Robert Bredereck and giving a talk about Understanding Agreement, Diversity, and Polarization in Elections via Numerical Experiments at the seminar of the Simulation Science Center Clausthal-Göttingen.

See my CV and the Short Bio section for if you would like to learn more about my career record.