2 papers
cs.LG2026
When Do Surrogate Updates Improve Decisions? A Local Theory of Trajectory-Wise Transfer
Yuyang Shen
A broad range of models face the mismatch where they are updated through trajectory losses but are evaluated by downstream task reward. Here, a trajectory is a training instance th…
cs.LG2026
Breaking Feedback-Blindness: Utility-Augmented Transformer for Sequential Decision Making
Yuyang Shen, Shan Dai, Daimin Chen
Sequential decision making in non-stationary and partially observable environments requires rapid adaptation to latent regime changes. However, existing Transformer decision models…