ResearchResearch paperReinforcement Learning · Training & Scaling1 source · Oct 16, 2026

Non-Parametric Optimization for Scalable Learning in Stochastic Decision Problems

Stochastic optimization (SO) plays a central role in decision-making under uncertainty.

Key points

  • Non-parametric approaches have been proposed for time-varying deterministic optimization; however, they have not been developed for their stochastic counterparts.
  • This work addresses that gap by developing a stochastic variational framework based on Malliavin calculus.
  • This framework yields non-parametric optimality conditions for SO problems with stochastic decisions and supports the design of a scalable deep-learning algorithm that is insensitive to the parameterization dimension.
  • This algorithm, called the Stochastic Path Follower (SPF), is applied to two important problems under distribution drift, namely least-squares recovery and logistic regression.

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