XIA, Dong 夏冬
| Position | Associate Professor |
| dxia [at] cuhk.edu.hk | |
| Phone Number | 3943 5761 |
| Fax Number | 2603 5188 |
| Address | LSB 109 |
| Homepage | https://www.sta.cuhk.edu.hk/peoples/dxia/ |
Academic Background
B.S. in Information and Computing Science, University of Science and Technology of China
Ph.D. in Computational Science and Engineering/Mathematics, Georgia Institute of Technology
Research Interest
Selected Publications
- Ma W, Xia D. Statistical inference in tensor completion: Optimal uncertainty quantification and statistical-to-computational gaps. The Annals of Statistics. 2026 Jun;54(3):1540-65.
- Lyu Z, Xia D. Optimal clustering by Lloyd’s algorithm for low-rank mixture model. Journal of the Royal Statistical Society Series B: Statistical Methodology. 2026 Feb;88(1):43-65.
- Duan C, Li J, Xia D. Online policy learning and inference by matrix completion. Journal of the American Statistical Association. 2026 Jan 2;121(553):598-611.
- Shao M, Xia D, Zhang Y. U-statistic reduction: Higher-order accurate risk control and statistical-computational trade-off. Journal of the American Statistical Association. 2025 Jul 3;120(551):1593-606.
- Ma W, Cao Y, Tsang DH, Xia D. Optimal regularized online allocation by adaptive re-solving. Operations Research. 2025 Jul;73(4):2079-96.
- Auddy A, Xia D, Yuan M. Tensors in high-dimensional data analysis: Methodological opportunities and theoretical challenges. Annual review of statistics and its application. 2025 Mar 7;12(1):527-51.
- Cai JF, Li J, Xia D. Generalized low-rank plus sparse tensor estimation by fast Riemannian optimization. Journal of the American Statistical Association. 2023 Oct 2;118(544):2588-604.
- Lyu Z, Xia D. Optimal estimation and computational limit of low-rank Gaussian mixtures. The Annals of Statistics. 2023 Apr;51(2):646-67.
- Xia D, Zhang AR, Zhou Y. Inference for low-rank tensors—no need to debias. The Annals of Statistics. 2022 Apr 1;50(2):1220-45.
- Xia D, Yuan M. Statistical inferences of linear forms for noisy matrix completion. Journal of the Royal Statistical Society Series B: Statistical Methodology. 2021 Feb;83(1):58-77.
Major Research Grants
- Hong Kong RGC GRF Grant 16303426
- Hong Kong RGC GRF Grant 16303224
- Hong Kong RGC GRF Grant 16302323
- Hong Kong RGC GRF Grant 16301622
- Hong Kong RGC GRF Grant 16300121
- Hong Kong RGC GRF Grant 16303320
- Hong Kong RGC ECS Grant 26302019
Professional Services
- Associate Editor, Journal of American Statistical Association – T.& M. (2026-)
- Associate Editor, Journal of Statistical Planning and Inference (2021-)
Honours and Awards
- Top Cited Article 2020-2021, Journal of Royal Statistical Society: Series B.
- Adobe Research Gift Award, 2019.