Z.-S. Zhang

Basic information

I am currently a Research Fellow in the Department of Statistics and Applied Probability at the National University of Singapore working with Professor Adrian Roellin. Prior to this, I was a research fellow working with Aurore Delaigle at the University of Melbourne. I obtained my Ph.D. degree in 2017 at the Chinese University of Hong Kong, under the supervision of Professor Qi-Man Shao.

Education

• The Chinese University of Hong Kong, Hong Kong
  • Aug 2013 – Jul 2017
  • Ph.D. in Statistics
  • Supervisor: Professor Qi-Man Shao
• Wuhan University, Wuhan, China
  • Sep 2009 – Jun 2013
  • B.S. in Statistics.

Research Experience

• Stanford University, Statistics Department
  • Visiting Student Researcher
  • Adviser: Prof. Sourav Chatterjee.
• Melbourne University, School of Mathematics and Statistics
  • Research Fellow in statistics
  • Adviser: Prof. Aurore Delaigle.
• National University of Singapore, Department of Statistics and Applied Probability
  • Research Fellow
  • Adviser: Prof. Adrian Roellin

Research interest

• Asymptotic theory in probability and statistics;
• Stein’s method;
• Random graph
• Functional data analysis;
• Nonparametric statistics.

CV

This is my latest CV.

Submitted papers

1. Z.–S. Zhang, “Cramér–type moderate deviations of normal approximation for exchangeable pairs”. Available at arXiv: 1901.09526.

2. Z.–S. Zhang, “Berry–Esseen bounds for generalized U ­statistics”. Available at arXiv: 2104.03479.

3. Z.–S. Zhang, “Berry–Esseen bounds for self­normalized sums of local dependent random variables”. Available at arXiv: 2104.03683.

4. S.–H. Liu and Z.–S. Zhang, “Cramér–type moderate deviation via Stein identities with applications to local dependence and combinatorial central limit theorems”. Submitted.

5. A. Roellin and Z.–S. Zhang, “Dense multigraphon­valued stochastic processes and edge­changing dynamics in the configuration model”. Available at arXiv: 2104.13024.

Publications

1. Q.–M. Shao and Z.–S. Zhang (2021+), “Berry–Esseen bounds for multivariate nonlinear statistics with applications to M­estimators and stochastic gradient descent algorithms”. To appear in Bernoulli.

2. Q.–M. Shao, M. Zhang and Z.–S. Zhang. (2021), “Cramér–type moderate deviations for non­normal approximation”. Ann. Appl. Probab. Vol. 31, 247–283.

3. Q.–M. Shao and Z.–S. Zhang. (2019). “Berry–Esseen bounds of normal and non­normal approximation for unbounded exchangeable pairs”, Ann. Probab., vol. 47, 61–108.

4. Q.–M. Shao and Z.–S. Zhang. (2016). “Identifying the limiting distribution by a general approach of Stein’s method”, Sci. China Math., vol. 59, 2379–2392.