ResearchResearch paperReinforcement Learning · Training & Scaling1 source · Oct 13, 2026

Optimization for One, Feasibility for Most: Decoupling Optimization from Feasibility in Chance-Constrained Programs

We propose ACCESS (Adaptive Chance-Constrained Exploration via Structured Sampling), a structured sampling framework that decouples optimization from feasibility evaluation.

Key points

  • Chance-constrained stochastic programs (CCSPs) require solutions that satisfy uncertain constraints with high probability.
  • Standard approaches either embed scenarios directly into optimization by considering sample average approximation (SAA)-based reformulations, growing prohibitively expensive and often failing to find feasible solutions; or employ conservative reformulations that guarantee feasibility but sacrifice objective quality by design.
  • First, high-quality candidate solutions are generated by solving many inexpensive single-scenario subproblems, avoiding sampling directly in the constrained high-dimensional solution space.
  • We also introduce a variant, ACCESS($δ$), which provides certified feasibility guarantees with probability $1-δ$.

Sources (1)

Extractive summary: sentences quoted from the sources.

Before this

  1. Oct 13, 2026ATTUNE: Agentic Throughput Tuning for LLM Training
  2. Oct 13, 2026Hybrid Reasoning Agents
  3. Oct 12, 2026HarnessTTT: Learn to Optimize Harness at Test-Time for Scientific Discovery
  4. Oct 12, 2026Size Generalization for Diffusion Routing Solvers
  5. Oct 12, 2026WeGR: Unified Generative Retrieval for Industrial Search Systems in WeChat
  6. Oct 12, 2026Carve VFM: Carving Specialists out of Generalists, Automatic Task-Specific Compression of Vision Foundation Models

Related