2 papers
cs.CL2026
When Reasoning Narrows the Move: Diversity Collapse in LLM Game Play
Junyi Sha, Renfei Tan, David Simchi-Levi
Supervised fine-tuning (SFT) is widely used to adapt large language models to downstream tasks, but its effect on behavioral diversity in sequential decision-making remains under-e…
cs.GT2026
Multi-agent Adaptive Mechanism Design
Qiushi Han, David Simchi-Levi, Renfei Tan +1
We study a sequential mechanism design problem in which a principal seeks to elicit truthful reports from multiple rational agents while starting with no prior knowledge of agents'…