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Author

Ziyuan Liu

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#natural language process... Preprint Aug 2026

Recovering General Capabilities via Uncertainty-Calibrated Multi-Teacher On-Policy Distillation

Specializing large language models to vertical domains improves domain-specific behavior but often degrades general capabilities. We study this trade-off in Multi-Teacher On-Policy Distillation (MOPD), where a specialized model learns from domain and general teachers on its own sampled trajectories. Standard MOPD faces...

Zi-Yuan Liu, Jiao Ou, Jian Liang et al. · 0 citations
Jul 2026

Manifold-Constrained Noise Optimization for Diverse Diffusion Sampling

Few-step distilled diffusion models generate high-quality images quickly, but often lose per-prompt diversity, producing near-identical samples across random seeds. Optimizing the initial noise at inference time offers an appealing way to recover this diversity, yet existing methods directly update the initial noise in...

Qitan Shi, Cheng Jin, Zi-Yuan Liu et al. · 0 citations

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