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Xin Li

Nanyang Technological University (NTU), Singapore

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#machine learning Preprint Sep 2026

Beyond Teacher Assignment: Domain-Normalized Multi-Teacher On-Policy Distillation

Domain-Normalized MOPD is proposed, which keeps the routing and rescales each domain's feedback by its measured spread, and improves the average score over MOPD at every size, across three random seeds and under two answer-length limits, and recovers most of the lost mathematics gain.

Xin Li, Hao-Zhe Jiang, Xin-Ming Gao et al. · 0 citations
#small language model Open access Sep 2026

Reconstructing wireless signals for low altitude networks using small language models

In-Context Signal Completion (ICSC) is presented, demonstrating that small language models fine-tuned with Group Relative Policy Optimization and physics-informed rewards can reconstruct RSSI across sequential extrapolation and spatial interpolation tasks.

Xin Li, Ran Liu, Chau Yuen · 0 citations

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