Publications

Publications in reverse chronological order.

2026

  1. Learning What Not to Impute: An Uncertainty-Aware Diffusion Framework for Meaningful Missingness
    Lixing Zhang, Yidong Ouyang, Weifu Li, Shixiang Zhu, Guang Cheng, and Liyan Xie
    arxiv preprint, 2026
    arXiv Code
  2. Masked Diffusion Modeling for Anomaly Detection
    Lixing Zhang, Yuchen Liang, and Liyan Xie
    arxiv preprint, 2026
    arXiv Code
  3. Sequential Change Detection for Multiple Data Streams with Differential Privacy
    Lixing Zhang, Liyan Xie, and Ruizhi Zhang
    In IEEE International Symposium on Information Theory (ISIT), 2026
    Accepted
    arXiv
  4. Sequential Change Detection with Local Differential Privacy
    Lixing Zhang, Xuran Liu, Ruizhi Zhang, and Liyan Xie
    Entropy, 2026
    DOI