Author

Vatsal Venkatkrishna

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Preprint Aug 2026

Parameter Exploration for RLVR via Variational Learning

Evidence that parameter-space exploration can improve reinforcement learning for LLMs is presented, and a family of methods called Perturbed Parameter Policy Optimization (3PO) is introduced which use different sampling strategies and different rollout grouping for reward estimation.

Vatsal Venkatkrishna, Nico Daheim, Iryna Gurevych · 0 citations