2 papers
cs.AI2025
Should We Ever Prefer Decision Transformer for Offline Reinforcement Learning?
Yumi Omori, Zixuan Dong, Keith Ross
In recent years, extensive work has explored the application of the Transformer architecture to reinforcement learning problems. Among these, Decision Transformer (DT) has gained p…
cs.LG2025
Minimal Ingredients for Reward Assignment from Expert Demonstrations
Zixuan Dong, Yumi Omori, Keith Ross
Reward assignment from scarce demonstrations is a key challenge in both offline and online imitation learning. A common and intuitive strategy assigns rewards according to how clos…