Professor Dingxuan Zhou
People_

Professor Dingxuan Zhou

Head of School of Mathematics and Statistics
Phone
+61 2 9351 4533
Fax
+61 2 9351 5434
Address
F07 - Carslaw Building
The University of Sydney
Professor Dingxuan Zhou

Professor Ding-Xuan Zhou received the BSc and PhD degrees in mathematics from Zhejiang University, China, in 1988 and 1991, respectively.

He was a Research Assistant Professor (1996-99), Assistant Professor (1999-2000), Associate Professor (2001-05), Professor (2005-09), and Chair Professor (2009-22) at City University of Hong Kong.

His administrative role there includes the Head of Department of Mathematics (2006-12), Associate Dean of School of Data Science (2018-22), and Director of the Liu Bie Ju Centre for Mathematical Sciences (2019-22).

Professor Zhou joined the University of Sydney on 29 August 2022 as a Professor and as the Head of School of Mathematics and Statistics.

Timetable

Co-Supervising HDR Students at the City University of Hong Kong as Adjunct Professor:

Ziru Liu, PhD student; Langmin Liu, PhD student; Yuqin Liu, PhD student; Xiao Han, PhD student;

Zhenyu Yang, PhD student; Nath Tepakbong Tematio, PhD student.

Professor Zhou has worked on learning theory, neural networks, wavelet analysis, and approximation theory. His current research interest is theory of deep learning. He has authored more than 100 research papers.

Professor Zhou has conducted more than 40 research grants as PI, supervised more than 20 PhD students, and co-organized more than 20 international conferences. He is currently serving on the editorial boards of more than ten international journals and is an editor-in-chief of the journal “Analysis and Application” of “Mathematical Foundations of Computing”.

He received a Humboldt Research Fellowship in 1993, a fund for Distinguished Young Scholars from the National Science Foundation of China in 2005 and was rated as a Highly-cited Researcher by Thomson Reuters/Clarivate Analytics in 2014-17 and World's Top 2% Scientist by Stanford University in 2021 2022, 2023.

Project titleResearch student
Operator LearningPeilin LIU
Learning theory of deep learning and deep neural networksKejia TANG
Pairwise Learning with Deep Neural NetworksJunyu ZHOU

Publications

Journals

  • Liu, L., Zhou, D. (2025). Analysis of regularized federated learning. Neurocomputing, 611(1 January 2025), Article 128579 - 1-Article 128579 - 12. [More Information]
  • Liu, P., Liu, Y., Zhou, X., Zhou, D. (2025). Approximation of functionals on Korobov spaces with Fourier Functional Networks. Neural Networks, 182, Article 106922-1-Article 106922-8. [More Information]
  • Liu, P., Zhou, D. (2025). Generalization Analysis of Transformers in Distribution Regression. Neural Computation, 37(2), 260-293. [More Information]

Conferences

  • Lei, Y., Yang, T., Ying, Y., Zhou, D. (2023). Generalization analysis for contrastive representation learning. ICML | 2023 Fortieth International Conference on Machine Learning, USA: ICML.
  • Zeng, J., Xie, Y., Yu, X., Lee, J., Zhou, D. (2022). Enhancing Automatic Readability Assessment with Pre-training and Soft Labels for Ordinal Regression. (2022 Conference on Empirical Methods in Natural Language Processing, USA: Association for Computational Linguistics (ACL).
  • Wang, P., Lei, Y., Ying, Y., Zhou, D. (2022). Stability and generalization for Markov Chain stochastic gradient methods. NeurIPS 2022: 36th Conference on Neural Information Processing Systems, USA: Neural Information Processing Systems Foundation, Inc.

2025

  • Liu, L., Zhou, D. (2025). Analysis of regularized federated learning. Neurocomputing, 611(1 January 2025), Article 128579 - 1-Article 128579 - 12. [More Information]
  • Liu, P., Liu, Y., Zhou, X., Zhou, D. (2025). Approximation of functionals on Korobov spaces with Fourier Functional Networks. Neural Networks, 182, Article 106922-1-Article 106922-8. [More Information]
  • Liu, P., Zhou, D. (2025). Generalization Analysis of Transformers in Distribution Regression. Neural Computation, 37(2), 260-293. [More Information]

2024

  • Li, J., Feng, H., Zhou, D. (2024). Approximation analysis of CNNs from a feature extraction view. Analysis and Applications, 22(3), 635-654. [More Information]
  • Liu, Y., Mao, T., Zhou, D. (2024). Approximation of functions from Korobov spaces by shallow neural networks. Information Sciences, 670(June 2024), art.120573 - 1-art.120573 - 13. [More Information]
  • Zhang, Z., Shi, L., Zhou, D. (2024). Classification with Deep Neural Networks and Logistic Loss. Journal of Machine Learning Research, 25(125), 1-117.

2023

  • Mao, T., Shi, Z., Zhou, D. (2023). Approximating functions with multi-features by deep convolutional neural networks. Analysis and Applications, 21(1), 93-125. [More Information]
  • Song, L., Fan, J., Chen, D., Zhou, D. (2023). Approximation of Nonlinear Functionals Using Deep ReLU Networks. Journal of Fourier Analysis and Applications, 29(4), Article 50-1-23. [More Information]
  • Song, L., Liu, Y., Fan, J., Zhou, D. (2023). Approximation of smooth functionals using deep ReLU networks. Neural Networks, 166, 424-436. [More Information]

2022

  • Mao, T., Zhou, D. (2022). Approximation of functions from Korobov spaces by deep convolutional neural networks. Advances in Computational Mathematics, 48 (Open Access)(6), Article 84-26 pages. [More Information]
  • Feng, H., Hou, S., Wei, L., Zhou, D. (2022). CNN MODELS FOR READABILITY OF CHINESE TEXTS. Mathematical Foundations of Computing, 5(4), 351-362. [More Information]
  • Han, Z., Yu, S., Lin, S., Zhou, D. (2022). Depth Selection for Deep ReLU Nets in Feature Extraction and Generalization. IEEE Transactions on Pattern Analysis and Machine Intelligence, 44(4), 1853-1868. [More Information]

2021

  • Hu, T., Zhou, D. (2021). Distributed regularized least squares with flexible Gaussian kernels. Applied and Computational Harmonic Analysis, 53, 349-377. [More Information]
  • Hu, T., Wu, Q., Zhou, D. (2021). Kernel gradient descent algorithm for information theoretic learning. Journal Of Approximation Theory, 263, 105518. [More Information]
  • Zeng, J., Lin, S., Yao, Y., Zhou, D. (2021). On ADMM in deep learning: Convergence and saturation-avoidance. Journal of Machine Learning Research, 22.

2020

  • Lei, Y., Zhou, D. (2020). Convergence of online mirror descent. Applied and Computational Harmonic Analysis, 48(1.0), 343-373. [More Information]
  • Lin, S., Wang, Y., Zhou, D. (2020). Distributed filtered hyperinterpolation for noisy data on the sphere. SIAM Journal on Numerical Analysis, 59(2.0), 634-659. [More Information]
  • Hu, T., Wu, Q., Zhou, D. (2020). Distributed kernel gradient descent algorithm for minimum error entropy principle. Applied and Computational Harmonic Analysis, 49(1.0), 229-256. [More Information]

2019

  • Lei, Y., Zhou, D. (2019). Analysis of Singular Value Thresholding Algorithm for Matrix Completion. Journal of Fourier Analysis and Applications, 25(6.0), 2957-2972. [More Information]
  • Lin, S., Lei, Y., Zhou, D. (2019). Boosted kernel ridge regression: Optimal learning rates and early stopping. Journal of Machine Learning Research, 20.0.
  • Lei, Y., Dogan, U., Zhou, D., Kloft, M. (2019). Data-Dependent Generalization Bounds for Multi-Class Classification. IEEE Transactions on Information Theory, 65(5), 2995-3021. [More Information]

2018

  • Chui, C., Lin, S., Zhou, D. (2018). Construction of Neural Networks for Realization of Localized Deep Learning. Frontiers in Applied Mathematics and Statistics, 4, 14-1-14-22. [More Information]
  • Zhou, D. (2018). Deep distributed convolutional neural networks: Universality. Analysis and Applications, 16(6.0), 895-919. [More Information]
  • Lin, S., Zhou, D. (2018). Distributed Kernel-Based Gradient Descent Algorithms. Constructive Approximation, 47(2.0), 249-276. [More Information]

2017

  • Lei, Y., Zhou, D. (2017). Analysis of online composite mirror descent algorithm. Neural Computation, 29(3.0), 825-860. [More Information]
  • Li, B., He, B., Zhou, D. (2017). Approximation on variable exponent spaces by linear integral operators. Journal Of Approximation Theory, 223, 29-51. [More Information]
  • Lin, S., Guo, X., Zhou, D. (2017). Distributed learning with regularized least squares. Journal of Machine Learning Research, 18.0, 1-31.

2016

  • Fan, J., Hu, T., Wu, Q., Zhou, D. (2016). Consistency analysis of an empirical minimum error entropy algorithm. Applied and Computational Harmonic Analysis, 41(1.0), 164-189. [More Information]
  • Hu, T., Wu, Q., Zhou, D. (2016). Convergence of Gradient Descent for Minimum Error Entropy Principle in Linear Regression. IEEE Transactions on Signal Processing, 64(24.0), 6571-6579. [More Information]
  • Micchelli, C., Pontil, M., Wu, Q., Zhou, D. (2016). Error bounds for learning the kernel. Analysis and Applications, 14(6.0), 849-868. [More Information]

2015

  • Li, L., Zhou, D. (2015). Learning Theory Approach to a System Identification Problem Involving Atomic Norm. Journal of Fourier Analysis and Applications, 21.0 (4), 734-753. [More Information]
  • Lin, J., Zhou, D. (2015). Learning theory of randomized Kaczmarz algorithm. Journal of Machine Learning Research, 16, 3341-3365.
  • Hu, T., Wu, F., Zhou, D. (2015). Regularization schemes for minimum error entropy principle. Analysis and Applications, 13(4), 437-455. [More Information]

2014

  • Li, B., Zhou, D. (2014). Analysis of approximation by linear operators on variable L ρ p (·) spaces and applications in learning theory. Abstract And Applied Analysis, 2014. [More Information]
  • Chen, A., Li, J., Chen, Y., Zhou, D. (2014). Asymptotic behaviour of extinction probability of interacting branching collision processes. Journal of Applied Probability, 51(1), 219-234. [More Information]

2013

  • Wang, H., Xiao, Q., Zhou, D. (2013). An approximation theory approach to learning with ℓ1 regularization. Journal Of Approximation Theory, 167, 240-258. [More Information]
  • Guo, Z., Zhou, D. (2013). Concentration estimates for learning with unbounded sampling. Advances in Computational Mathematics, 38(1), 207-223. [More Information]
  • Zhou, D. (2013). Density problem and approximation error in learning theory. Abstract And Applied Analysis, 2013. [More Information]

2012

  • Guo, X., Zhou, D. (2012). An empirical feature-based learning algorithm producing sparse approximations. Applied and Computational Harmonic Analysis, 32(3), 389-400. [More Information]
  • Xiang, D., Hu, T., Zhou, D. (2012). Approximation analysis of learning algorithms for support vector regression and quantile regression. Journal of Applied Mathematics, 2012. [More Information]
  • Chen, A., Li, J., Chen, Y., Zhou, D. (2012). Extinction probability of interacting branching collision processes. Advances in Applied Probability, 44(1), 226-259. [More Information]

2011

  • Shi, L., Feng, Y., Zhou, D. (2011). Concentration estimates for learning with l1-regularizer and data dependent hypothesis spaces. Applied and Computational Harmonic Analysis, 31(2), 286-302. [More Information]
  • Xiang, D., Hu, T., Zhou, D. (2011). Learning with varying insensitive loss. Applied Mathematics Letters, 24(12), 2107-2109. [More Information]
  • Zhou, X., Shi, L., Zhou, D. (2011). Non-uniform randomized sampling for multivariate approximation by high order Parzen windows. Canadian Mathematical Bulletin, 54(3), 566-576. [More Information]

2010

  • Shi, L., Guo, X., Zhou, D. (2010). Hermite learning with gradient data. Journal of Computational and Applied Mathematics, 233(11), 3046-3059. [More Information]
  • Xiao, Q., Zhou, D. (2010). Learning by nonsymmetric kernels with data dependent spaces and l1-regularizer. Taiwanese Journal of Mathematics, 14(5), 1821-1836. [More Information]
  • Mukherjee, S., Wu, Q., Zhou, D. (2010). Learning gradients on manifolds. Bernoulli, 16(1), 181-207. [More Information]

2009

  • Xiang, D., Zhou, D. (2009). Classification with gaussians and convex loss. Journal of Machine Learning Research, 10, 2447-2468.
  • Smale, S., Zhou, D. (2009). Geometry on probability spaces. Constructive Approximation, 30(3), 311-323. [More Information]
  • Cai, J., Wang, H., Zhou, D. (2009). Gradient learning in a classification setting by gradient descent. Journal Of Approximation Theory, 161(2), 674-692. [More Information]

2008

  • Zhou, D. (2008). Derivative reproducing properties for kernel methods in learning theory. Journal of Computational and Applied Mathematics, 220(1-2), 456-463. [More Information]
  • Ye, G., Zhou, D. (2008). Learning and approximation by Gaussians on Riemannian manifolds. Advances in Computational Mathematics, 29(3), 291-310. [More Information]
  • Dong, X., Zhou, D. (2008). Learning gradients by a gradient descent algorithm. Journal of Mathematical Analysis and Applications, 341(2), 1018-1027. [More Information]

2007

  • Ye, G., Zhou, D. (2007). Fully online classification by regularization. Applied and Computational Harmonic Analysis, 23(2), 198-214. [More Information]
  • Ying, Y., Zhou, D. (2007). Learnability of Gaussians with flexible variances. Journal of Machine Learning Research, 8, 249-276.
  • Smale, S., Zhou, D. (2007). Learning theory estimates via integral operators and their approximations. Constructive Approximation, 26(2), 153-172. [More Information]

2006

  • Wu, Q., Zhou, D. (2006). Analysis of support vector machine classification. Journal of Computational Analysis and Applications, 8(2), 99-119.
  • Zhou, D., Jetter, K. (2006). Approximation with polynomial kernels and SVM classifiers. Advances in Computational Mathematics, 25(1-3), 323-344. [More Information]
  • Mukherjee, S., Zhou, D. (2006). Learning coordinate covariances via gradients. Journal of Machine Learning Research, 7, 519-549.

2005

  • Smale, S., Zhou, D. (2005). Shannon sampling II: Connections to learning theory. Applied and Computational Harmonic Analysis, 19(3), 285-302. [More Information]
  • Wu, Q., Zhou, D. (2005). SVM soft margin classifiers: Linear programming versus quadratic programming. Neural Computation, 17(5), 1160-1187. [More Information]

2004

  • Cucker, F., Smale, S., Zhou, D. (2004). Modeling language evolution. Foundations of Computational Mathematics, 4(3), 315-343. [More Information]
  • Smale, S., Zhou, D. (2004). Shannon sampling and function reconstruction from point values. Bulletin of the American Mathematical Society, 41(3), 279-305. [More Information]
  • Chen, D., Wu, Q., Ying, Y., Zhou, D. (2004). Support vector machine soft margin classifiers: Error analysis. Journal of Machine Learning Research, 5, 1143-1175.

2003

  • Zhou, D. (2003). Capacity of reproducing kernel spaces in learning theory. IEEE Transactions on Information Theory, 49(7), 1743-1752. [More Information]
  • Jia, R., Wang, J., Zhou, D. (2003). Compactly supported wavelet bases for Sobolev spaces. Applied and Computational Harmonic Analysis, 15(3), 224-241. [More Information]
  • Plonka, G., Zhou, D. (2003). Properties of locally linearly independent refinable function vectors. Journal Of Approximation Theory, 122(1), 24-41. [More Information]

2002

  • Zhou, D. (2002). Interpolatory orthogonal multiwavelets and refinable functions. IEEE Transactions on Signal Processing, 50(3), 520-527. [More Information]
  • Nielsen, M., Zhou, D. (2002). Mean size of wavelet packets. Applied and Computational Harmonic Analysis, 13(1), 22-34. [More Information]
  • Cheung, H., Tang, C., Zhou, D. (2002). Supports of locally linearly independent M-refinable functions, attractors of iterated function systems and tilings. Advances in Computational Mathematics, 17(3), 257-268. [More Information]

2001

  • Boyd, G., Micchelli, C., Strang, G., Zhou, D. (2001). Binomial matrices. Advances in Computational Mathematics, 14(4), 379-391. [More Information]
  • Zhou, D. (2001). Norms Concerning Subdivision Sequences and Their Applications in Wavelets. Applied and Computational Harmonic Analysis, 11(3), 329-346. [More Information]
  • Zhou, D. (2001). Self-similar lattice tilings and subdivision schemes. SIAM Journal On Mathematical Analysis, 33(1), 1-15. [More Information]

2000

  • Goodman, T., Jia, R., Zhou, D. (2000). Local linear independence of refinable vectors of functions. Proceedings of the Royal Society of Edinburgh Section A (Mathematics), 130(4), 813-826. [More Information]
  • Zhou, D. (2000). Multiple Refinable Hermite Interpolants. Journal Of Approximation Theory, 102(1), 46-71. [More Information]

1999

  • Jia, R., Zhou, D. (1999). Convergence of subdivision schemes associated with nonnegative masks. SIAM Journal on Matrix Analysis and Applications, 21(2), 418-430. [More Information]
  • Jia, R., Riemenschneider, S., Zhou, D. (1999). Smoothness of multiple refinable functions and multiple wavelets. SIAM Journal on Matrix Analysis and Applications, 21(1), 1-28. [More Information]
  • Zhou, D. (1999). Solvability of linear systems of pde's with constant coefficients. Proceedings of the American Mathematical Society, 127(7), 2013-2017. [More Information]

1998

  • Strang, G., Zhou, D. (1998). Inhomogeneous Refinement Equations. Journal of Fourier Analysis and Applications, 4(6), 733-747. [More Information]
  • Zhou, D. (1998). Some characterizations for box spline wavelets and linear diophantine equations. Rocky Mountain Journal of Mathematics, 28(4), 1539-1560. [More Information]
  • Jia, R., Riemenschneider, S., Zhou, D. (1998). Vector subdivision schemes and multiple wavelets. Mathematics of Computation, 67(224), 1533-1563. [More Information]

1997

  • Zhou, D. (1997). Existence of multiple refinable distributions. Michigan Mathematical Journal, 44(2), 317-329. [More Information]
  • Zhou, D. (1997). Extendibility of rational matrices. Journal Of Approximation Theory, 88(2), 272-274. [More Information]

1996

  • Zhou, D. (1996). Box splines with rational directions and linear diophantine equations. Journal of Mathematical Analysis and Applications, 203(1), 270-277. [More Information]
  • Mache, D., Zhou, D. (1996). Characterization theorems for the approximation by a family of operators. Journal Of Approximation Theory, 84(2), 145-161. [More Information]
  • Zhou, D. (1996). Linear dependence relations in wavelets and tilings. Linear Algebra and its Applications, 249(1-3), 311-323. [More Information]

1995

  • Mache, D., Zhou, D. (1995). Best direct and converse results for Lagrange-type operators. Analysis in Theory and Applications, 11(2), 76-93. [More Information]
  • Zhou, D., Jetter, K. (1995). Characterisation of Correctness of Cardinal Interpolation with Shifted Three-Directional Box Splines. Proceedings of the Royal Society of Edinburgh Section A (Mathematics), 125(5), 931-937. [More Information]
  • Zhou, D. (1995). Construction of Real-Valued Wavelets by Symmetry. Journal Of Approximation Theory, 81(3), 323-331. [More Information]

1994

  • Ye, M., Zhou, D. (1994). A class of operators by means of three-diagonal matrices. Journal Of Approximation Theory, 78(2), 239-259. [More Information]
  • Zhou, D. (1994). On wavelets in L1. Acta Mathematicae Applicatae Sinica, 10(1), 69-74. [More Information]
  • Zhou, D. (1994). Weighted Approximation by Multidimensional Bernstein Operators. Journal Of Approximation Theory, 76(3), 403-422. [More Information]

1993

  • Zhou, D. (1993). On a paper of mazhar and totik. Journal Of Approximation Theory, 72(3), 290-300. [More Information]

1992

  • Zhou, D. (1992). A note on Bernstein type operators. Analysis in Theory and Applications, 8(1), 97-100. [More Information]
  • Zhou, D. (1992). Inverse theorems for multidimensional Bernstein-Durrmeyer operators in Lp. Journal Of Approximation Theory, 70(1), 68-93. [More Information]
  • Zhou, D. (1992). On a conjecture of Z. Ditzian. Journal Of Approximation Theory, 69(2), 167-172. [More Information]

1991

  • Zhou, D. (1991). Lp-inverse theorems for beta operators. Journal Of Approximation Theory, 66(3), 279-287. [More Information]

1990

  • Zhou, D. (1990). Inverse theorems for some multidimensional operators. Analysis in Theory and Applications, 6(4), 25-39. [More Information]
  • Zhou, D. (1990). Uniform approximation by some Durrmeyer operators. Analysis in Theory and Applications, 6(2), 87-100. [More Information]

Selected Grants

2024

  • Approximation theory of structured neural networks, Zhou D, Australian Research Council (ARC)/Discovery Projects (DP)

2022

  • Machine Learning Theory and Applications, Zhou D, Faculty of Science/Faculty Startup Scheme