Author

Yi-Chen Sun

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#artificial intelligence Preprint Sep 2026

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

DeShortcut-Align is proposed, a shortcut-decoupling alignment framework that reduces dependence on superficial cues that significantly improves robustness against template-stripping bypass attacks, substantially reduces over-refusal, and better preserves general-purpose reasoning capabilities, thereby mitigating the al...

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

#artificial intelligence Preprint Sep 2026

EOPSA: Efficient On-Policy Self-Distilled Safety Alignment

Efficient On-Policy Self-Distilled Safety Alignment (EOPSA), which concentrates computational and gradient budgets exclusively on reliably supervised, safety-critical tokens, is proposed, consistently outperforming full-token distillation baselines in both safety compliance and reasoning retention.

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