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Yu-Chen Zhang

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#machine learning Preprint Oct 2026

CausalEvo: Causal Skill Self-Evolution for Health LLM Agents

Large language model (LLM) agents for health can accumulate reusable textual skills from task feedback, such as calculation criteria, measurement time points, and formula units. Deciding which skills to retain is consequential: useful rules improve later answers, while faulty generalizations propagate errors. We propos...

Yu-Chen Zhang · 0 citations