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Young-Jun Lee

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#natural language process... Preprint Sep 2026

EvoDuet: Bilevel Co-Evolution of Web Searching and Task Solving for Scientific Discovery

Evolutionary search with large language models (LLMs) can stall when progress requires external knowledge the model lacks. Supplying relevant documents helps, but simply adding web search tool can keep returning the same pages as solutions change. We introduce EvoDuet, a bi-level optimization method that co-evolves sol...

Young-Jun Lee, Jinheon Baek, Soyeong Jeong et al. · 0 citations

Preprint Aug 2026

Meta$^n$: Recursive Self-Improvement through Emergent Depth

Meta, which keeps the meta-operation fixed and recurses on its input instead, outperforms prior self-improving agents on all eight benchmark families and outperforms prior self-improving agents on all eight benchmark families.

Zae Myung Kim, Young-Jun Lee, Seungyeon Jwa et al. · 2 citations