Preprints
- The (Computational) Social Choice Take on Indivisible Participatory Budgeting
Simon Rey, Felicia Schmidt and Jan Maly
ArXiv preprint, 2023
Published Papers
By Topic
Participatory Budgeting
- The core in Participatory Budgeting can be empty
Jan Maly
Economics Letters 254/112472, (PDF, Arxiv) - The (Computational) Social Choice Take on Indivisible Participatory Budgeting
Simon Rey and Jan Maly
ArXiv preprint, 2023 - Online Participatory Budgeting
Matthieu Hervouin and Jan Maly
ROADEF 2024, (Download) - Fairness in Participatory Budgeting via Equality of Resources
Jan Maly, Simon Rey, Ulle Endriss and Martin Lackner
AAMAS 2023, 2031-2039 (ArXiv version) - Proportionality in Approval-Based Participatory Budgeting
Markus Brill, Stefan Forster, Martin Lackner, Jan Maly and Jannik Peters
AAAI 2023, 5524-5531 (ArXiv version) - Participatory Budgeting with Donations and Diversity Constraints
Jiehua Chen, Martin Lackner and Jan Maly
AAAI 2022, 9323-9330 (Download, ArXiv link) - Fairness in Long-Term Participatory Budgeting
Martin Lackner, Jan Maly and Simon Rey
IJCAI 2021: 299-305 (Download)
Other Computational Social Choice Papers
- Social Choice with Text: Collective Decision Making in the LLM Era
Umberto Grandi, Robert Bredereck, Théo Delemazure, Ulle Endriss, Jan Maly, Nick Mattei, Nicolas Maudet, Oliviero Nardi, Stanisław Szufa
ACM AI Leadership Summit 2026, to appear (preprint) - Beyond Lower Quota: Avoiding Overrepresentation in Multi-Winner
Anton Baychkov, Martin Lackner, Jan Maly, Oliviero Nardi and Jannik Peters
EC 2026, to appear - Proportionality Press: Illustrating Proportionality through Comment Selection (Demo)
Jan Maly, Oliviero Nardi and Simon Rey
AAMAS 2026 demo session (Link) - Free-Riding in Multi-Issue Decisions
Martin Lackner, Jan Maly and Oliviero Nard
Journal of Artificial Intelligence Research (JAIR), to appear - City Sampling for Citizens’ Assemblies
Paul Gölz, Jan Maly, Ulrike Schmidt-Kraepelin, Markus Utke and Philipp C Verpoort
AAAI 2025, (ArXiv) - Apportionment with Weighted Seats
Julian Chingoma, Ulle Endriss, Ronald de Haan, Adrian Haret and Jan Maly
ECAI 2025, (Download, Arxiv) - Committees and Equilibria: Multiwinner Approval Voting Through the Lens of Budgeting Games
Adrian Haret, Sophie Klumper, Jan Maly and Guido Schäfer
EC 2024, (Download) - Combining Voting and Abstract Argumentation to Understand Online Discussions
Michael Bernreiter, Jan Maly, Oliviero Nardi and Stefan Woltran
AAMAS 2024, 170-179, (Download) - Approval-Based Shortlisting
Martin Lackner and Jan Maly
Social Choice and Welfare, 2023, (Download) 2023 - Free-Riding in Multi-Issue Decisions
Martin Lackner, Jan Maly and Oliviero Nardi
AAMAS 2023, 2040-2048 (Full version with proof appendix) - Proportional Decisions in Perpetual Voting
Martin Lackner and Jan Maly
AAAI 2023, 5722-5729 (Full version with proof appendix) - Perpetual Voting: The Axiomatic Lense
Martin Lackner and Jan Maly
COMSOC 2021, oral presentation (Full Version on ArXiv) - Aggregating Expert Opinions in Support of Medical Diagnostic Decision-Making
Clemens Gangl, Martin Lackner, Jan Maly and Stefan Woltran
Knowledge Representation for Health Care/ProHealth, KR4HC 2019, Poznan, Poland June 26, 2019, pages 56-62, 2019 (Download)
Preference Representation and Logic
- An Extension-Based Argument-Ranking Semantics: Social Rankings in Abstract Argumentation
Lars Bengel, Giovanni Buraglio, Jan Maly and Kenneth Skiba,
NMR 2024, to appear - Sequent Calculi for Choice Logics
Michael Bernreiter, Anela Lolic, Jan Maly and Stefan Woltran
Journal of Automated Reasoning 68(2),8, (Download), 2024 - Choice Logics and Their Computational Properties
Michael Bernreiter, Jan Maly and Stefan Woltran
Artificial Intelligence, 311: 103755 (2022) (Download) - Ranking Sets of Objects: The Complexity of Avoiding Impossibility Results
Jan Maly
Journal of Artificial Intelligence Research (JAIR), 73: 1-65 (2022) (Download, ArXiv version) - Ranking Sets of Defeasible Elements in Preferential Approaches to Structured Argumentation: Postulates, Relations, and Characterizations
Jan Maly and Johannes P. Wallner
AAAI 2021, 6435-6443 (Download) - Encoding Choice Logics in ASP
Michael Bernreiter, Jan Maly and Stefan Woltran
ASPOCP 2020 (Download) - Preference Orders on Families of Sets – When Can Impossibility Results Be Avoided?
Jan Maly, Miroslaw Truszczynski and Stefan Woltran
Journal of Artificial Intelligence Research (JAIR), 66: 1147-1197 (2019) (Download) - A New Logic for Jointly Representing Hard and Soft Constraints
Jan Maly and Stefan Woltran
PRUV@IJCAR 2018 (Download) - Ranking Specific Sets of Object
Jan Maly and Stefan Woltran
Datenbank-Spektrum 17(3): 255-265 (2017) (Download) - Pseudo proof systems and hard instances of SAT
Jan Maly and Moritz Müller
Math. Log. Q. 64(6): 418-428 (2018) (Download)
Argumentation
- An Extension-Based Argument-Ranking Semantics: Social Rankings in Abstract Argumentation
Lars Bengel, Giovanni Buraglio, Jan Maly and Kenneth Skiba,
AAAI 2025, (Download) - An Extension-Based Argument-Ranking Semantics: Social Rankings in Abstract Argumentation
Lars Bengel, Giovanni Buraglio, Jan Maly and Kenneth Skiba,
NMR 2024, (Download) - Combining Voting and Abstract Argumentation to Understand Online Discussions
Michael Bernreiter, Jan Maly, Oliviero Nardi and Stefan Woltran
AAMAS 2024, 170-179, (Download) - Ranking Sets of Defeasible Elements in Preferential Approaches to Structured Argumentation: Postulates, Relations, and Characterizations
Jan Maly and Johannes P. Wallner
AAAI 2021, 6435-6443 (Download)
Full List
- Social Choice with Text: Collective Decision Making in the LLM Era
Umberto Grandi, Robert Bredereck, Théo Delemazure, Ulle Endriss, Jan Maly, Nick Mattei, Nicolas Maudet, Oliviero Nardi, Stanisław Szufa
ACM AI Leadership Summit 2026, to appear (preprint) - Beyond Lower Quota: Avoiding Overrepresentation in Multi-Winner Voting
Anton Baychkov, Martin Lackner, Jan Maly, Oliviero Nardi and Jannik Peters
EC 2026, to appear, (Arxiv) - Proportionality Press: Illustrating Proportionality through Comment Selection (Demo)
Jan Maly, Oliviero Nardi and Simon Rey
AAMAS 2026 demo session (Link) - Free-Riding in Multi-Issue Decisions
Martin Lackner, Jan Maly and Oliviero Nardi
Journal of Artificial Intelligence Research (JAIR), 86 (Link) - City Sampling for Citizens’ Assemblies
Paul Gölz, Jan Maly, Ulrike Schmidt-Kraepelin, Markus Utke and Philipp C Verpoort
AAAI 2026, (ArXiv) - Apportionment with Weighted Seats
Julian Chingoma, Ulle Endriss, Ronald de Haan, Adrian Haret and Jan Maly
ECAI 2025, (Download, Arxiv) - The core in Participatory Budgeting can be empty
Jan Maly
Economics Letters 254/112472, (PDF, Arxiv) - An Extension-Based Argument-Ranking Semantics: Social Rankings in Abstract Argumentation
Lars Bengel, Giovanni Buraglio, Jan Maly and Kenneth Skiba,
AAAI 2025, (Download) - Committees and Equilibria: Multiwinner Approval Voting Through the Lens of Budgeting Games
Adrian Haret, Sophie Klumper, Jan Maly and Guido Schäfer
EC 2024, (Download) - An Extension-Based Argument-Ranking Semantics: Social Rankings in Abstract Argumentation
Lars Bengel, Giovanni Buraglio, Jan Maly and Kenneth Skiba,
NMR 2024, (Download) - Online Participatory Budgeting
Matthieu Hervouin and Jan Maly
ROADEF 2024, (Download) - Sequent Calculi for Choice Logics
Michael Bernreiter, Anela Lolic, Jan Maly and Stefan Woltran
Journal of Automated Reasoning 68(2),8, (Download), 2024 - Combining Voting and Abstract Argumentation to Understand Online Discussions
Michael Bernreiter, Jan Maly, Oliviero Nardi and Stefan Woltran
AAMAS 2024, 170-179, (Download) - Approval-Based Shortlisting
Martin Lackner and Jan Maly
Social Choice and Welfare, 2023, (Download) 2023 - Fairness in Participatory Budgeting via Equality of Resources
Jan Maly, Simon Rey, Ulle Endriss and Martin Lackner
AAMAS 2023, 2031-2039 (ArXiv version) - Free-Riding in Multi-Issue Decisions
Martin Lackner, Jan Maly and Oliviero Nardi
AAMAS 2023, 2040-2048 (Full version with proof appendix) - Proportionality in Approval-Based Participatory Budgeting
Markus Brill, Stefan Forster, Martin Lackner, Jan Maly and Jannik Peters
AAAI 2023, 5524-5531 (ArXiv version) - Proportional Decisions in Perpetual Voting
Martin Lackner and Jan Maly
AAAI 2023, 5722-5729 (Full version with proof appendix) - Effort-Based Fairness for Participatory Budgeting
Jan Maly, Simon Rey, Ulle Endriss and Martin Lackner
MPREF 2022 (ArXiv Link) - Choice Logics and Their Computational Properties
Michael Bernreiter, Jan Maly and Stefan Woltran
Artificial Intelligence, 311: 103755 (2022) (Download) - Sequent Calculi for Choice Logics
Michael Bernreiter, Anela Lolic, Jan Maly and Stefan Woltran
IJCAR 2022, 331-349 (Download) - Ranking Sets of Objects: The Complexity of Avoiding Impossibility Results
Jan Maly
Journal of Artificial Intelligence Research (JAIR), 73: 1-65 (2022) (Download, ArXiv version) - Participatory Budgeting with Donations and Diversity Constraints
Jiehua Chen, Martin Lackner and Jan Maly
AAAI 2022, 9323-9330 (Download, ArXiv link) - Fairness in Long-Term Participatory Budgeting
Martin Lackner, Jan Maly and Simon Rey
IJCAI 2021: 299-305 (Download) - Choice Logics and Their Computational Properties
Michael Bernreiter, Jan Maly and Stefan Woltran
IJCAI 2021: 1794-1800 (Download,Long version on ArXiv) - Perpetual Voting: The Axiomatic Lense
Martin Lackner and Jan Maly
COMSOC 2021, oral presentation (Full Version on ArXiv) - Fairness in Long-Term Participatory Budgeting
Martin Lackner, Jan Maly and Simon Rey
AAMAS 2021: 1566-1568, Extended Abstract (Download) - Approval-Based Shortlisting
Martin Lackner and Jan Maly
AAMAS 2021: 737-745 (Download,ArXiv preprint) - Ranking Sets of Defeasible Elements in Preferential Approaches to Structured Argumentation: Postulates, Relations, and Characterizations
Jan Maly and Johannes P. Wallner
AAAI 2021, 6435-6443 (Download) - Encoding Choice Logics in ASP
Michael Bernreiter, Jan Maly and Stefan Woltran
ASPOCP 2020 (Download) - Lifting Preferences over Alternatives to Preferences over Sets of Alternatives: The Complexity of Recognizing Desirable Families of Sets
Jan Maly
AAAI 2020: 2152-2159 (Download, Long version with full proofs on ArXiv) - Preference Orders on Families of Sets – When Can Impossibility Results Be Avoided?
Jan Maly, Miroslaw Truszczynski and Stefan Woltran
Journal of Artificial Intelligence Research (JAIR), 66: 1147-1197 (2019) (Download) - Aggregating Expert Opinions in Support of Medical Diagnostic Decision-Making
Clemens Gangl, Martin Lackner, Jan Maly and Stefan Woltran
Knowledge Representation for Health Care/ProHealth, KR4HC 2019, Poznan, Poland June 26, 2019, pages 56-62, 2019 (Download) - Preference Orders on Families of Sets – When Can Impossibility Results Be Avoided?
Jan Maly, Miroslaw Truszczynski and Stefan Woltran
IJCAI 2018: 433-439 (Download) - A New Logic for Jointly Representing Hard and Soft Constraints
Jan Maly and Stefan Woltran
PRUV@IJCAR 2018 (Download) - Ranking Specific Sets of Object
Jan Maly and Stefan Woltran
Datenbank-Spektrum 17(3): 255-265 (2017) (Download) - Ranking Specific Sets of Object
Jan Maly and Stefan Woltran
BTW 2017 – Workshopband: 193-201 (Download) - Pseudo proof systems and hard instances of SAT
Jan Maly and Moritz Müller
Math. Log. Q. 64(6): 418-428 (2018) (Download)
Theses
- Ranking Sets of Objects: How to Deal with Impossibility Results
Jan Maly
PhD Thesis, Technische Universität Wien, 2020
Supervisors: Stefan Woltran and Martin Lackner (Download) - Jan Krajicek’s Forcing Construction and Pseudo Proof Systems
Jan Maly
Master’s Thesis, Universität Wien, 2016
Advisor: Moritz Müller (Download)