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Liuyu Xiang

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#artificial intelligence Preprint Sep 2026

A*-Thought-V2: Efficient Latent Reasoning via Geometric Dynamics of LLM

A*-Thought-V2 is presented, a geometric dynamics of LLM guided framework that models CoT as a hidden-state trajectory and replaces hard deletion with an explicit-implicit interleaved latent architecture that reflects broader soft targets that encourage richer step-level feature learning.

Xiao-An Xu, Si-Yuan Liu, Shuo Wang et al. · 1 citation
Preprint Aug 2026

HarnessSafe: Evaluating Safety Across Persistent Carriers in Agent Harnesses

Modern agent harnesses persist state across tasks and sessions through persistent carriers like memory, skills, tools, and shared artifacts. However, this capability creates delayed safety risks: attacker-influenced content can cross system boundaries and later affect the execution of a benign request. Existing benchma...

X. Zhang, Yusheng Wang, Yuhao Fei et al. · 1 citation

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