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Hongxia Hao

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#natural language process... Preprint Oct 2026

Enhancing Multimodal RLVR with Pairwise Token Contrast and Adaptive Trajectory Confidence

Reinforcement learning with verifiable rewards (RLVR) improves multimodal reasoning, but group-relative policy optimization broadcasts a single sequence-level advantage to every token of a response, although errors usually localize to a few decisive steps. Recent self-distilled variants refine credit with a teacher--st...

Yi-Ran Zhang, Han-Bo Huang, Jie-Lan Li et al. · 0 citations
#artificial intelligence Preprint Sep 2026

MinkowskiPE: Minkowski Positional Encoding for Spatiotemporal Perception

Modeling spatiotemporal coupling is a key challenge in building physical intelligence across scales, from microscopic to macroscopic. Existing models capture such structure broadly through physics-motivated dynamical formulations or learning-motivated architectures. The former provide stronger priors but may constrain...

Yu-Hao Li, Louie Hong Yao, Tian-Yi Shi et al. · 0 citations

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