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About this paper

Zihao Zhao, Tunyu Zhang, Haizhou Shi, Yusong Zhao, Xinxi Zhang, Hao Wang

The authors study when multi-agent debate can recover correct answers missed by majority voting. They define recoverable headroom as cases where an agent proposed the correct answer but the initial vote was wrong, and test complementary agent selection and evidence-aware readout. On OLMo3-7B-Instruct, AC-Greedy improves mean accuracy by 2.01 percentage points over Vanilla Debate across eight columns, in these settings.

Summary by alphaXiv.

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