Rolling the dice: Recent results in probabilistic social choice

F Brandt - Trends in computational social choice, 2017 - books.google.com
When aggregating the preferences of multiple agents into one collective choice, it is easily
seen that certain cases call for randomization or other means of tiebreaking. For example, if …

Computer-aided methods for social choice theory

C Geist, D Peters - Trends in Computational Social Choice, 2017 - books.google.com
The Four Color Theorem is a famous early example of a mathematical result that was proven
with the help of computers. Recent advances in artificial intelligence, particularly in …

Optimal bounds for the no-show paradox via SAT solving

F Brandt, C Geist, D Peters - Mathematical Social Sciences, 2017 - Elsevier
One of the most important desirable properties in social choice theory is Condorcet-
consistency, which requires that a voting rule should return an alternative that is preferred to …

Proving the incompatibility of efficiency and strategyproofness via SMT solving

F Brandl, F Brandt, M Eberl, C Geist - Journal of the ACM (JACM), 2018 - dl.acm.org
Two important requirements when aggregating the preferences of multiple agents are that
the outcome should be economically efficient and the aggregation mechanism should not be …

Finding strategyproof social choice functions via SAT solving

F Brandt, C Geist - Journal of Artificial Intelligence Research, 2016 - jair.org
A promising direction in computational social choice is to address research problems using
computer-aided proving techniques. In particular with SAT solvers, this approach has been …

Computational social choice: The first ten years and beyond

H Aziz, F Brandt, E Elkind, P Skowron - … and Software Science: State of the …, 2019 - Springer
Computational social choice is a research area at the intersection of computer science,
mathematics, and economics that is concerned with aggregation of preferences of multiple …

Analysing irresolute multiwinner voting rules with approval ballots via SAT solving

B Kluiving, A de Vries, P Vrijbergen, A Boixel… - ECAI 2020, 2020 - ebooks.iospress.nl
Suppose you want to design a voting rule that can be used to elect a committee or
parliament by asking each voter to approve of a subset of the candidates standing. There …

On the tradeoff between efficiency and strategyproofness

H Aziz, F Brandl, F Brandt, M Brill - Games and Economic Behavior, 2018 - Elsevier
We study social decision schemes (SDSs), ie, functions that map a collection of individual
preferences over alternatives to a lottery over the alternatives. Depending on how …

[PDF][PDF] Facility Location with Variable and Dynamic Populations.

Y Wada, T Ono, T Todo, M Yokoo - AAMAS, 2018 - mpref-2018.preflib.org
Facility location is a well-studied problem in social choice literature, where agents'
preferences are restricted to be singlepeaked. When the number of agents is treated as a …

[PDF][PDF] Exploring the no-show paradox for Condorcet extensions using Ehrhart theory and computer simulations

F Brandt, J Hofbauer, M Strobel - Proceedings of the 18th …, 2019 - aamas.csc.liv.ac.uk
Results from voting theory are increasingly used when dealing with collective decision
making in computational multiagent systems. An important and surprising phenomenon in …