A single wavelet-denoising procedure estimates a time-varying signal's latest point at near-optimal rates, powers one-call ERM under drift, and implies minimax-optimal TV denoising.
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Adaptive Estimation and Learning under Temporal Distribution Shift
A single wavelet-denoising procedure estimates a time-varying signal's latest point at near-optimal rates, powers one-call ERM under drift, and implies minimax-optimal TV denoising.