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cs.AI2026
Open Problems in Differentiable Social Choice: Learning Mechanisms, Decisions, and Alignment
Zhiyu An, Wan Du
Social choice has become a foundational component of modern machine learning systems. From auctions and resource allocation to the alignment of large generative models, machine lea…
cs.AI2026
DIML: Differentiable Inverse Mechanism Learning from Behaviors of Multi-Agent Learning Trajectories
Zhiyu An, Wan Du
We study inverse mechanism learning: recovering an unknown incentive-generating mechanism from observed strategic interaction traces of self-interested learning agents. Unlike inve…
cs.AI2025
MoralReason: Generalizable Moral Decision Alignment For LLM Agents Using Reasoning-Level Reinforcement Learning
Zhiyu An, Wan Du
Large language models are increasingly influencing human moral decisions, yet current approaches focus primarily on evaluating rather than actively steering their moral decisions.…