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cs.LG2025
KoopCast: Trajectory Forecasting via Koopman Operators
Jungjin Lee, Jaeuk Shin, Gihwan Kim +2
We present KoopCast, a lightweight yet efficient model for trajectory forecasting in general dynamic environments. Our approach leverages Koopman operator theory, which enables a l…
cs.LG2025
Sharpness-Aware Minimization Can Hallucinate Minimizers
Chanwoong Park, Uijeong Jang, Ernest K. Ryu +1
Sharpness-Aware Minimization (SAM) is widely used to seek flatter minima -- often linked to better generalization. In its standard implementation, SAM updates the current iterate u…