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Author

Sangwoo Park

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#artificial intelligence Preprint Sep 2026

Surprising Success, Repeated Failure: Entropy-Guided Credit Assignment for Exploration in LLM Reasoning

Entropic Advantage Policy Optimization (EAPO) is introduced, an entropy-guided credit assignment method that treats success and failure asymmetrically and promotes more effective exploration, broadening problem coverage and generating more diverse candidate answers.

Woongyeong Yeo, Minki Kang, Chanuk Lee et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Knowing When Thinking Is Not Enough: Teaching Small Reasoning Models to Reason Beyond Their Parametric Knowledge

FlyBy is introduced, a selective querying framework, and 4B and 8B variants are trained to reason first, diagnose what remains unresolved, and, at a knowledge bottleneck, query stronger models whose parametric knowledge extends beyond its own.

Chanuk Lee, Minki Kang, Sangwoo Park et al. · 0 citations

T-MAP: Red-Teaming LLM Agents with Trajectory-aware Evolutionary Search

A trajectory-aware evolutionary search method, T-MAP, which leverages execution trajectories to guide the discovery of adversarial prompts and enables the automatic generation of attacks that not only bypass safety guardrails but also reliably realize harmful objectives through actual tool interactions.

Hyomin Lee, Sangwoo Park, Yumin Choi et al. · 8 citations · ⚡1

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