Author

Yan Wang

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#artificial intelligence Preprint Sep 2026

DeShortcut-Align: Decoupling Spurious Shortcuts for Robust Safety Alignment in Large Reasoning Models

Safety alignment of large reasoning models (LRMs) via supervised fine-tuning (SFT) and reinforcement learning (RL) often yields near-perfect safety scores, yet this apparent success comes at the cost of severe over-refusal and degraded general capabilities. Through systematic empirical analysis, we find that these fail...

Qi-Rui Liu, Yi-Chen Sun, Yan Wang et al. · 0 citations

#natural language process... Preprint Aug 2026

Memory Is Not Always Needed: Characterizing Conditional Memory in Scientific Reasoning

Scientific reasoning requires language models to retrieve specialized knowledge and incorporate it reliably into multi-step computation. Conditional memory provides an explicit lookup pathway that complements dense neural representations, but its usefulness is inherently input- and computation-dependent: retrieved info...

Zhen Bi, Xue-Shu Chen, Yan Wang et al. · 1 citation