Publications

Publications in reverse chronological order.

2026

  1. ICML
    Detecting contextual hallucinations in LLMs with frequency-aware attention
    Siya Qi, Yudong Chen, Runcong Zhao, and 6 more authors
    In The 43rd International Conference on Machine Learning, 2026
    arXiv PDF
  2. ICML
    Linear ensembles wash away watermarks: on the fragility of distributional perturbations in LLMs
    Zhihao Wu, Gracia Gong, Qinglin Zhu, and 2 more authors
    In The 43rd International Conference on Machine Learning, 2026
    arXiv PDF
  3. arXiv
    Online change point detection under heavy-tailedness and contamination
    Edwin Yiu Nam Tang, Yudong Chen, Mengchu Li, and 1 more author
    arXiv preprint, arXiv:2606.09737, 2026
    arXiv PDF
  4. IEEE TIT
    Robust mean change point testing in high-dimensional data with heavy tails
    Mengchu Li*, Yudong Chen*, Tengyao Wang, and 1 more author
    IEEE Transactions on Information Theory, 2026
    DOI PDF

2025

  1. ICML (spotlight)
    Navigating solution spaces in large language models through controlled embedding exploration
    Qinglin Zhu, Runcong Zhao, Hanqi Yan, and 3 more authors
    In The 42nd International Conference on Machine Learning, 2025
    PDF
  2. JBES
    Inference on dynamic spatial autoregressive models with change point detection
    Zetai Cen, Yudong Chen, and Clifford Lam
    Journal of Business & Economic Statistics, 2025
    DOI PDF

2024

  1. JASA
    Inference in high-dimensional online changepoint detection
    Yudong Chen, Tengyao Wang, and Richard J. Samworth
    Journal of the American Statistical Association, 2024
    PDF
  2. JRSSB
    Discussion of Automatic Change-Point Detection in Time Series via Deep Learning by Jie Li, Paul Fearnhead, Piotr Fryzlewicz and Tengyao Wang
    Yudong Chen and Yining Chen
    Journal of the Royal Statistical Society, Series B, 2024
    PDF

2022

  1. JRSSB
    High-dimensional, multiscale online changepoint detection
    Yudong Chen, Tengyao Wang, and Richard J. Samworth
    Journal of the Royal Statistical Society, Series B, 2022
    PDF

2021

  1. Thesis
    High-dimensional online changepoint detection
    Yudong Chen
    University of Cambridge, 2021
    PDF

2018

  1. Geom. Dedicata
    Toy Teichmuller spaces of real dimension 2: the pentagon and the punctured triangle
    Yudong Chen, Roman Chernov, Marco Flores, and 3 more authors
    Geometriae Dedicata, 2018
    PDF