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Wei Xue

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#machine learning Preprint Oct 2026

RobotWorld: Benchmarking Multimodal Agents for Robot Use Across Diverse Tasks and Embodiments

General-purpose agents increasingly write code, use tools, and complete complex digital tasks, raising the question of how far these capabilities carry into the physical world. To investigate this, we introduce RobotWorld, a challenging simulation testbed for robot use: turning instructions and observations into physic...

Zhiqin Yang, Chen-Xin Li, Xiao-Meng Hu et al. · 0 citations
Preprint Sep 2026

A Theory of Reliable Self-Evolution for Agent Harnesses

This work provides a theoretically grounded condition under which a self-evolved harness can be reliably adopted and proposes a validation rule to make the evolved system satisfy the reliable adoption condition with theoretical guarantees.

Qi Cai, Yong-Gang Zhang, Jun Nie et al. · 2 citations · ⚡2
Jul 2026

Zero2Skill: Bootstrapping Robot Skills through Autonomous Data Collection, Training, and Deployment

Zero2Skill is presented, a human-robot symbiotic agentic system in which corrections are retained and reused across rounds, and policies fine-tuned on Zero2Skill data match teleoperation-trained policy success at a fraction of collection human cost.

Boyuan Wang, Zhenyuan Zhang, Zhiqin Yang et al. · 1 citation
Conference Open access 2026

Omni-RewardBench: Toward a Comprehensive Evaluation of Generative Reward Models Across Modalities

Omni-RewardBench is introduced, the first benchmark for comprehensive evaluation of ORMs across modalities and demonstrates that current OLLMs fall short as reward models, revealing several common failure modes such as perception failure, modality dominance failure, and cross-modal fusion failure.

Chi-Min Chan, Yujin Zhou, Pengcheng Wen et al. · 0 citations
Preprint Aug 2026

Failure-Informed Image Self-Augmentation for Multimodal Large Language Model Self-Improvement

FISA is proposed, a framework for MLLM self-improvement that constructs augmented images from the model's own failure cases that generates visually challenging yet answer-preserving image complications, verifies their utility through self-examination, and applies dual fidelity filtering to avoid semantic distortion.

Chun-Yang Jiang, Pingping Zhang, Yuzhi Zhao et al. · 0 citations
Jul 2026

A Control Theory of Predictability in Latent World Models

It is proved that the planner's suboptimality is bounded by twice this discrepancy between the predicted and the true plan-cost at the plan the planner commits to, whereas the data-averaged prediction error neither bounds nor tracks it.

Hanzhe You, Yonggang Zhang, Maohao Ran et al. · 2 citations

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