Contact Information
725 S. Wright St.
M/C 374
Champaign, IL 61820
Biography
2019-Present: Associate Professor, Department of Statistics, University of Illinois at Urbana-Champaign.
2019-2020: Visiting Faculty, Institute for Data, Systems, and Society (IDSS), Massachusetts Institute of Technology.
2013-2019: Assistant Professor, Department of Statistics, University of Illinois at Urbana-Champaign.
Research Interests
High-dimensional and nonparametric statistics
Time series analysis
Machine learning and signal processing
Education
PhD, Electrical and Computer Engineering, University of British Columbia, 2013
Awards and Honors
Simons Fellowship in Mathematics (2020-2021)
Associate, Center for Advanced Study, UIUC (2020-2021)
ICSA Outstanding Young Researcher Award (2019)
NSF CAREER Award (2018)
Arnold O. Beckman Award, University of Illinois (2018)
External Links
Recent Publications
Chen, X., & Yang, Y. (2021). Cutoff for Exact Recovery of Gaussian Mixture Models. IEEE Transactions on Information Theory, 67(6), 4223-4238. [9366690]. https://doi.org/10.1109/TIT.2021.3063155
Chen, X., & Yang, Y. (2021). Diffusion K-means clustering on manifolds: Provable exact recovery via semidefinite relaxations. Applied and Computational Harmonic Analysis, 52, 303-347. https://doi.org/10.1016/j.acha.2020.03.002
Chen, X., & Yang, Y. (2021). Hanson–Wright inequality in Hilbert spaces with application to K-means clustering for non-Euclidean data. Bernoulli, 27(1), 586-614. https://doi.org/10.3150/20-BEJ1251
Yu, M., & Chen, X. (2021). Finite sample change point inference and identification for high-dimensional mean vectors. Journal of the Royal Statistical Society. Series B: Statistical Methodology, 83(2), 247-270. https://doi.org/10.1111/rssb.12406
Chen, X., & Kato, K. (2020). Jackknife multiplier bootstrap: finite sample approximations to the U-process supremum with applications. Probability Theory and Related Fields, 176(3-4), 1097-1163. https://doi.org/10.1007/s00440-019-00936-y
