Author

Aditi Gupta

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#machine learning Preprint Oct 2026

Coarse-Graining Optimal Transport for Rollout-Free Post-Training of Flow Matching

ReCouple is introduced, a controllable framework that constructs coarse-grained OT couplings, to better understand rollout-free OT-based post-training post-training quality, and reveals an NFE-dependent interplay between coupling optimality, neural realizability, and generation quality.

Soon Hoe Lim, Aditi Gupta, Michael W. Mahoney et al. · 0 citations