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Author

Kaike Zhang

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#artificial intelligence Preprint Sep 2026

Information-Time Proximal Policy Optimization

This paper proposes InfoPPO, which reparameterizes temporal progression using information density rather than raw token count, and extends performance-difference and policy-improvement analyses to the information-time MDP, deriving a policy-improvement lower bound when policy changes are regulated by information densit...

Yong-Cheng Zeng, Xin-Yu Cui, Yan Song et al. · 0 citations
Jul 2026

OpenSkillRisk: Benchmarking Agent Safety When Using Real-World Risky Third-Party Skills

The behavioral analysis reveals three recurring failure patterns: agents may fail to recognize the risk, recognize it but fail to intervene before acting, or follow skill instructions beyond the user's intended scope, which highlights the need to improve both risk reasoning and execution control in agent frameworks.

Qi-Yuan Liu, Tingfeng Hui, Kun Zhan et al. · 3 citations · ⚡1

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