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Pei-Xi Peng

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#artificial intelligence Preprint Oct 2026

SimForcing: Distilling Simulation Motion Priors into Real-Domain Robot World Models

Action-conditioned robot world models must respond precisely to robot trajectories while preserving realistic visual dynamics, yet learning both from heterogeneous robot videos remains challenging. Simulation offers structured motion supervision, but appearance differences hinder direct transfer, and inaccurate simulat...

Xiao-Dong Wang, Tian-Le Li, Chuan-Xin Song et al. · 0 citations
#machine learning Preprint Aug 2026

RynnValue: Scaling Robotic Value Foundation Models with Temporal Distance

General-purpose reward models are increasingly the bottleneck for scaling robot learning, yet the recipe for learning value-related capabilities from large-scale heterogeneous corpora remains underexplored. Existing approaches tie supervision to task-internal anchors such as preferences or normalized progress, none of...

Dongchi Huang, Hong-Yin Zhang, Bo-Han Hou et al. · 7 citations
#artificial intelligence Preprint Sep 2026

Aha-Flow Distillation: Flow Markers Matter in LLM Reasoning

This work identifies the Flow Moment, a reasoning pattern characterized by sustained, process-confirming verbalizations such as I'm doing, in contrast to the revision- and backtracking-oriented Aha Moment, and proposes Aha-Flow Distillation, a dual-mode extension of OPSD that pairs different forms of privileged informa...

Xiao-Dong Wang, Pei-Xi Peng · 0 citations
Jul 2026

TAPO: Transition-Aware Policy Optimization for LLM Agents

This work proposes TAPO: Transition-Aware Policy Optimization for LLM Agents, a unified training framework that alternates between policy optimization and transition supervision, and demonstrates that TAPO consistently improves task performance over pure policy optimization baselines.

Cong Li, Pei-Xi Peng, Yisen Zhao et al. · 1 citation

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