Junoh Park

Seoul National University

Papers on Lattice

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Publication activitypapers/week, last 8 weeks

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Reasoning & Chain-of-Thought (1)RLHF & Preference Learning (1)

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Junseo Hwang (1)Wonguk Cho (1)

Papers (1)

Jul 29, 2026

Jul 29, 2026·also Affiliation:

ReCo: Reweighting GRPO Against Distributional Concentration

ReCo reweights GRPO to counteract the detrimental effects of response concentration, leading to significant improvements in reasoning performance on challenging benchmarks.

Junoh Park, Junseo Hwang, Wonguk Cho

Reasoning & Chain-of-Thought RLHF & Preference Learning

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Junoh Park

Publication activitypapers/week, last 8 weeks

Research focus

Frequent co-authors

Papers (1)