2 papers
cs.GT2026
How a Cooperative-Override Circuit Suppresses Nash Play in Large Language Models
Paraskevas V. Lekeas, Giorgos Stamatopoulos
On the named Prisoner's Dilemma under direct prompting, three larger instruction-tuned models, Llama-3-70B, Qwen2.5-32B, and Qwen2.5-72B, lock at full cooperation, the metric's max…
cs.GT2026
Partition function form games with probabilistic beliefs
Paraskevas V. Lekeas, Giorgos Stamatopoulos
We revisit games in partition function form, i.e. cooperative games where the payoff of a coalition depends on the partition of the entire set of players. We assume that each coali…