Projects per year
Personal profile
Research interests
Mathematics & Statistics - Image processing
Mathematics & Statistics - Data analysis
Mathematics & Statistics - Optimization
Mathematics & Statistics - Numerical linear algebra
Related documents
Education/Academic qualification
PhD in Mathematics, PhD, The Chinese University of Hong Kong
2007
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
-
SDG 3 Good Health and Well-being
-
SDG 9 Industry, Innovation, and Infrastructure
Fingerprint
- 1 Similar Profiles
Collaborations and top research areas from the last five years
-
Reducing Sample Complexity of Sparse Phase Retrieval and Beyond
CAI, J. (PI)
1/01/26 → 31/12/28
Project: Research
-
Provable and Efficient Algorithms for Matrix Approximation by Column and Row Selection
CAI, J. (PI) & XU, Z. (CoI)
1/01/25 → 31/12/27
Project: Research
-
Provable and Efficient Algorithms for Data Recovery on Manifolds from Linear Samples
CAI, J. (PI)
1/01/24 → 31/12/26
Project: Research
-
Provably Efficient Non-Convex Algorithms for Sample-Reduced Quantum State Tomography
CAI, J. (PI)
1/01/27 → 31/12/29
Project: Research
-
Three-dimensional Electrical Impedance Imaging for Tendinopathy Diagnosis
TOUBOUL, A. D. G. A. (CoI), ZHANG, H. (PI), CAI, J. (CoI) & YANG, C. (CoI)
Innovation and Technology Commission, Gense Technologies Limited
1/02/23 → 31/05/25
Project: Research
Research output
-
Online tensor learning: Computational and statistical trade-offs, adaptivity and optimal regret
Li, J., Cai, J. F., Chen, Y. & Xia, D., Jun 2026, In: Annals of Statistics. 54, 3, p. 1153-1177 25 p.Research output: Contribution to journal › Journal Article › peer-review
1 Link opens in a new tab Citation (Scopus) -
On the Subsample Size of Quantile-Based Randomized Kaczmarz
CAI, J., Chen, J., Ma, A. & WU, T., Jun 2026, In: SIAM Journal on Matrix Analysis and Applications. 47, 2, p. 802-823 22 p.Research output: Contribution to journal › Journal Article › peer-review
-
Spectral compressed sensing via structured matrix optimization
Cai, J. F., Wu, X., Yang, Z. & You, J., 2026, Handbook of Statistics. Elsevier, Vol. 54. p. 91-118 28 p. (Handbook of Statistics).Research output: Chapter in Book/Conference Proceeding/Report › Book Chapter › peer-review
-
Tensor completion via tensor train based low-rank quotient geometry under a preconditioned metric
Cai, J. F., Huang, W., Wang, H. & Wei, K., Feb 2026, In: Numerical linear algebra with applications. 33, 1, e70056.Research output: Contribution to journal › Journal Article › peer-review
-
Approximation theory of wavelet frame based image restoration
Cai, J. F., Choi, J. K. & Yang, J., Jan 2025, In: Applied and Computational Harmonic Analysis. 74, 101712.Research output: Contribution to journal › Journal Article › peer-review
-
Finding Low-Rank Matrix Weights in Deep Neural Networks via Riemannian Optimization: RAdaGrad and RAadmW
CAI, J. (Invited speaker)
19 Dec 2025 → 22 Dec 2025Activity: Talk or presentation › Invited
-
Finding Low-Rank Matrix Weights in DNNs via Riemannian Optimization: RAdaGrad and RAadmW
CAI, J. (Invited speaker)
30 Nov 2025 → 6 Dec 2025Activity: Talk or presentation › Invited
-
Finding Low-Rank Matrix Weights in DNNs via Riemannian Optimization: RAdaGrad and RAadmW
CAI, J. (Invited speaker)
7 Nov 2025 → 9 Nov 2025Activity: Talk or presentation › Invited
-
Fast Non-convex Matrix Sensing with Optimal Sample Complexity
CAI, J. (Invited speaker)
5 Oct 2025Activity: Talk or presentation › Invited
-
Fast Non-convex Matrix Sensing with Optimal Sample Complexity
CAI, J. (Invited speaker)
25 Aug 2025 → 28 Aug 2025Activity: Talk or presentation › Invited