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Zhu Zhang

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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
#artificial intelligence Preprint Aug 2026

Beyond Teacher Likelihood: Group-Calibrated On-Policy Distillation for Long-Context Reasoning

Group-relative residual calibration can incorporate verifier outcomes without discarding dense token-level guidance, and demonstrates that group-relative residual calibration can incorporate verifier outcomes without discarding dense token-level guidance.

Zhu Zhang, Ji-Xun Wang, Xiao-An Xu et al. · 3 citations

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