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Author

Aahlad Puli

NYU

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#machine learning Preprint Sep 2026

How I learned to stop worrying and love StopGrads: Stationarity, Convergence, and a case study on Flow Map Learning

A stopgrad regression principle is introduced, which identifies a general template for stopgrad objectives with a closed-form characterization of stationary points and their uniqueness, unifying stopgrad objectives for flow maps, reinforcement learning, and diffusion samplers.

Max W. Shen, Mark Goldstein, Zi-Chu Wang et al. · 0 citations
Jul 2026

Flow Map Learning via Nongradient Vector Flow

SGFlow is introduced, an approach for learning flow maps that bypasses explicit invertibility constraints and expensive differentiation through model iteration and trains a model to compute both the ODE solutions and the implied velocity from scratch by following non-conservative dynamics with a stationary point at the...

Mark Goldstein, Anshuk Uppal, Raghav Singhal et al. · 1 citation

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