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Yaé Ulrich Gaba

Quantum Leap Africa

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#artificial intelligence Preprint Aug 2026

Policy-Invariant Reward Shaping from LLM Feedback: A Framework for Hybrid RL Agents

This work formalizes the hybrid LLM-planner and RL-controller architecture as a Goal-Augmented Markov Decision Process and shows that when the LLM per-state progress score is used as a bounded potential function, the resulting shaping term preserves the optimal policy set even when the LLM scores are inaccurate.

Christophe D. Hounwanou, John Emeka Eze, Yaé Ulrich Gaba · 1 citation

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