Author

E. Hong

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#machine learning Preprint Aug 2026

Activation-Keyed Momentum: An Anisotropic Momentum Update via the Delta Rule

Activation-Keyed Momentum (AK-Momentum), which builds direction-awareness into the momentum update rule, is proposed, and it is proved that it is a valid momentum, that it applies the input-side curvature correction without matrix inversion, and that it clears stale directions faster than EMA under both a fixed and a d...

E. Hong, Guan-Nan Qu · 0 citations