Author

Zi-Fan Xu

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#artificial intelligence Preprint Sep 2026

Uncertainty-Aware Selection of Online Algorithms with Simulator Ensembles

Uncertainty-Aware selection is investigated, which forms an ensemble of simulators and selects the online algorithm with the best average performance across the ensemble and leads to more reliable selection and improved online performance.

Yong-Yi Guo, Zi-Fan Xu, Zi-Ping Xu et al. · 0 citations

Jul 2026

LEACL: LLM-Enhanced Automatic Curriculum Learning for Reinforcement Learning in Long-Horizon Manipulation Tasks

LLM-enhanced automatic curriculum learning (LEACL), a framework that integrates LLMs and ACL to address limitations of ACL, is proposed, which achieves better asymptotic performance in terms of the success rates compared to human-designed dense rewards.

Faraz Heravi, James Ouyang, Zi-Fan Xu et al. · arXiv.org · 0 citations