4 papers
Generative AI voting: fair collective choice is resilient to LLM biases and inconsistencies
Srijoni Majumdar, Edith Elkind, Evangelos Pournaras
Recent breakthroughs in generative artificial intelligence (AI) and large language models (LLMs) unravel new capabilities for AI personal assistants to overcome cognitive bandwidth…
Maximizing the Egalitarian Welfare in Friends and Enemies Games
Edith Elkind, Michele Flammini, Giovanna Varricchio
We consider the complexity of maximizing egalitarian welfare in Friends and Enemies Games -- a subclass of hedonic games in which every agent partitions other agents into friends a…
From Independence of Clones to Composition Consistency: A Hierarchy of Barriers to Strategic Nomination
Ratip Emin Berker, SÃlvia Casacuberta, Isaac Robinson +3
We study two axioms for social choice functions that capture the impact of similar candidates: independence of clones (IoC) and composition consistency (CC). We clarify the relatio…
Streamlining Equal Shares
Sonja Kraiczy, Isaac Robinson, Edith Elkind
Participatory budgeting (PB) is a form of citizen participation that allows citizens to decide how public funds are spent. Through an election, citizens express their preferences o…