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Haonan He

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#natural language process... Preprint Sep 2026

Rethinking Token Reweighting for SFT: Suppress, Reverse, and Extrapolate Learned Features

SCALE (Selective Control of Adaptation via Local Entropy), an entropy-guided adaptation-strength-control method that freezes the pretrained model and the SFT delta and learns bounded token- and module-specific gates by minimizing predictive entropy alone is proposed.

Cun-Chun Li, Hao-Nan He, Yi-Fan Gao et al. · 0 citations
#artificial intelligence Preprint Aug 2026

LoRA-GA$^2$: Low Rank Adaptation with Multi-step Gradient Adaptive Alignment

This paper introduces a lightweight probe for multi-step gradients of pretrained weights that incurs no additional GPU memory cost and only marginal time overhead, and employs a spectrum-aware, importance-based rank allocation and optimal initialization derived from multi-step gradients.

Hao-Nan He, Xin Fan · 0 citations
Jul 2026

MoE2-LoRA: When MoE Models Meet MoE-style Low-Rank Adaptation

This paper makes the first attempt to fine-tune MoE models with MoE-style low-rank adaptation via a dual-channel Routing-Conditioned Projection module, which reuses base router activations to inform LoRA routing and introduces a single global LoRA expert pool shared across all layers.

Qingyu Yang, Haonan He, Minglei Li et al. · 0 citations
Review Aug 2026

SimpleOPD: Simple Tokenizer-Agnostic On-Policy Distillation for Long-Context Reasoning

This work introduces a student reference KL loss and mask the advantages of special termination tokens to mitigate the problem of excessive generation length and frequent truncation, and improves on science benchmarks such as HLE and HiPhO, suggesting that OPD transfers reasoning capabilities that generalize beyond the...

Hao-Nan He, Hao Lei, Yun Luo et al. · 5 citations · ⚡1

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