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Jinu Lee

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#artificial intelligence Preprint Jun 2026

Cliff Tokens: Analyzing Failure Trigger Tokens in LLM Mathematical Reasoning

This work introduces the cliff token, a token at which the estimated probability of reaching the correct answer (success probability) drops beyond an adaptive threshold, and introduces a cliff taxonomy of deterministic, uncertain, and sampled-off cliffs, defined by greedy choice and token entropy.

J. Ko, Jinu Lee, Pilsung Kang et al. · 0 citations

ReasoningFlow: Discourse Structures for Understanding LLM Reasoning Traces

ReasoningFlow is introduced, a framework that captures the discourse structures of LRM reasoning traces into fine-grained directed acyclic graphs (DAGs) and reveals diverse fine-grained reasoning behaviors that can be used for better reasoning trace monitorability.

Jinu Lee, Shivam Agarwal, Amruta Parulekar et al. · 6 citations
Jul 2026

Reasoning Consensus: Structural Ensembling of LLM Reasoning via Weighted DAG Aggregation

This work proposes a framework that ensembles the reasoning structure, not just the answers, of multiple LLMs by weighted merging of Directed Acyclic Graphs (DAGs) extracted from reasoning chains by weighted merging of Directed Acyclic Graphs (DAGs) extracted from reasoning chains.

Amruta Parulekar, Jinu Lee, Dilek Z. Hakkani-Tür et al. · 1 citation

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