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Qi-Meng Wang

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#artificial intelligence Preprint Oct 2026

GraphOPD: Graph-Augmented On-Policy Distillation for LLM Agents

On-policy distillation post-trains large language model agents by supplying dense, step-level guidance from a teacher policy when the reinforcement-learning reward is sparse and arrives only once per trajectory. Existing instantiations allocate this guidance by the size of the teacher-student divergence at each step, o...

Bo Lin, Li-Yi Chen, Zhuoning Guo et al. · 0 citations
Review Open access Aug 2026

Polymer Engineering for Stable Zinc Metal Anodes: From Molecular Design to Integrated Strategy.

Aqueous zinc-ion batteries (AZIBs) are regarded as a promising energy storage system due to their high safety and low cost. However, the severe dendritic growth, hydrogen evolution reaction (HER), and interfacial corrosion/passivation of zinc metal anodes, which are coupled failure modes, severely limit their cycle lif...

Qi-Meng Wang, Qing Zhou, Shun-Shun Jia et al. · 0 citations
#artificial intelligence Preprint Sep 2026

RankBuffer: Efficient Ranking-Based Rewards for Open-Ended Generation

RankBuffer is introduced, which maintains an ordered, query-specific buffer of previously judged responses as a reusable quality scale that achieves nearly on-par performance with the strongest ranking-based reward baseline while substantially reducing judging cost.

Zi-Xuan Yang, Yi-Qun Chen, Qi Liu et al. · 0 citations
Preprint Aug 2026

Multi-Image Visual Token Pruning in Large Visual Language Models

A training-free, Adaptive Visual Token Pruning (AVTP) framework, applicable to diverse LVLM architectures is proposed, and adaptive pruning ratios in multi-image contexts where images of higher importance retain proportionally more tokens are implemented.

Rongyang Zhang, Cheng-Qiang Lu, Cong Li et al. · 0 citations

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