Author

Songshuo Lu

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Preprint Jul 2026

Beyond the Best Teacher: Expanding and Compressing the Reasoning Solution Manifold

Strong students can be obtained not by selecting a single better teacher, but by deliberately constructing and compressing a complementary teacher union, in an expand-then-compress framework that couples teacher construction with multi-teacher policy distillation.

Songshuo Lu, Zhi Chen, Yaohua Tang · 0 citations