When to Stop Penalizing Actions? Martingale GRPO for VLA Reinforcement Learning

arXiv:2610.32431 · cs.AI · Submitted 2026-10-23 · Read on arXiv

cs.AI

Submitted: 2026-10-23

Updated: 2026-10-23

Terminology

• GRPO — 1× in this paper · explained in 6 episodes
• Reinforcement Learning — 1× in this paper · explained in 4 episodes

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