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Cheng-Xu Wu

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#machine learning Preprint Oct 2026

From a Prompt to Repertoires: Evolving Functional REpertoires Enable LLM Continual Learning

Continual learning remains challenging for large language models, which must enable models to acquire new skills and knowledge without degrading existing capabilities. Existing approaches typically address this challenge by carefully designing how model parameters are updated. In contrast, prompt optimization avoids co...

Fengyuan Liu, Yue Wang, Hang-Xi Guo et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Tracing the Thoughts of a Coding Agent Playing ARC-AGI-3: Lessons for Continual Learning

We study how a coding agent learns across a sequence of abstract reasoning tasks. The agent runs on a frozen foundation model inside a fixed harness and acts by writing and running Python and shell scripts. It retains no state across turns other than its written artifacts, so every thought it forms, carries, corrects o...

Cheng-Xu Wu, Josh Passenger, Yin Song · 0 citations

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