SK-NR(ℓ) accelerates Sinkhorn by adding Newton steps along stable low-frequency modes, cutting iterations by an order of magnitude at small regularization ε.
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Faster Computation of Entropic Optimal Transport via Stable Low Frequency Modes
SK-NR(ℓ) accelerates Sinkhorn by adding Newton steps along stable low-frequency modes, cutting iterations by an order of magnitude at small regularization ε.