Haichen Hu
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126
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ML×1Optimization and Control×1Stats ML×1
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2026
Optimizing the Preconditioner: A Black-box Online-to-Nonconvex Conversion with Static Regret Minimization Oracles
This paper shows that stochastic nonconvex optimization can be reduced to ordinary static regret minimization in online convex optimization, and establishes convergence rates for smooth and Lipschitz nonconvex objectives.
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