I’m Xiawei (William) Liu, a USC Master’s student building reliable robotic systems and trustworthy ML.

@misc{wei2026psi0openfoundationmodel,
  title={$\Psi_0$: An Open Foundation Model Towards Universal Humanoid Loco-Manipulation},
  author={Songlin Wei and Hongyi Jing and Boqian Li and Zhenyu Zhao and Jiageng Mao and Zhenhao Ni and Sicheng He and Jie Liu and Xiawei Liu and Kaidi Kang and Sheng Zang and Weiduo Yuan and Marco Pavone and Di Huang and Yue Wang},
  year={2026},
  eprint={2603.12263},
  archivePrefix={arXiv},
  primaryClass={cs.RO},
  url={https://arxiv.org/abs/2603.12263},
}

@misc{zhao2025humanoideverydaycomprehensiverobotic,
  title={Humanoid Everyday: A Comprehensive Robotic Dataset for Open-World Humanoid Manipulation},
  author={Zhenyu Zhao and Hongyi Jing and Xiawei Liu and Jiageng Mao and Abha Jha and Hanwen Yang and Rong Xue and Sergey Zakharor and Vitor Guizilini and Yue Wang},
  year={2025},
  eprint={2510.08807},
  archivePrefix={arXiv},
  primaryClass={cs.RO},
  url={https://arxiv.org/abs/2510.08807},
}

@article{wei2026simple,
  title={SIMPLE: Simulation-Based Policy Learning and Evaluation for Humanoid Loco-manipulation},
  author={Wei, Songlin and Ni, Zhenhao and Liu, Jie and Zhao, Zhenyu and Ye, Junjie and Jing, Hongyi and Xia, Junkai and Liu, Xiawei and Leong, Michael and Heng, Liang and Huang, Di and Wang, Yue},
  journal={arXiv preprint arXiv:2606.08278},
  year={2026}
}