Prof. Ziquan YANG

Chiu Chin Yin Assistant Professor of Mathematics
BSc (Duke University)
MPhil, PhD (Harvard University)

[Teacher's name in full]
ORCID:
0000-0002-1862-3922
Address:
Room 410, Academic Building No.1,
The Chinese University of Hong Kong,
Shatin, N.T., Hong Kong
Tel:
3943 3717
Email:
zqyang@math.cuhk.edu.hk / zqyang@ims.cuhk.edu.hk
Personal Website:
https://sites.google.com/view/zqyang

Fields of Interest:
Arithmetic Geometry and Number Theory

Selected Publications:
  1. Isogenies between K3 surfaces over the algebraic closure of a finite field. International Mathematics Research Notices, Volume 2022, Issue 6, March 2022, Pages 4407–4450 
  2. On Irreducible Symplectic Varieties of K3[n] -type in Positive Characteristic. Advances in Mathematics, Volume 417, 2023, 108930. 
  3. Twisted Derived Equivalences and Isogenies between K3 Surfaces in Positive Characteristic, with Daniel Bragg. Algebra and Number Theory, Vol. 17 (2023), No. 5, 1069–1126  
  4. On the Tate conjecture for divisors on varieties with h2,0=1in positive characteristics, with Paul Hamacher and Xiaolei Zhao. Journal für die Reine und Angewandte Mathematik (Crelle's Journal), Issue 827, Volume 2025, pages 1-58. 
  5. Arithmetic Deformation of Line Bundles, with David Urbanik. Mathematische Annalen, Volume 394, Issue 1, Article No. 8, 2026
  6. Pointwise Criteria for p-adic Local Systems, with Haoyang Guo. arXiv: 2409.19742
  7. The Tate Conjecture for Surfaces of geometric genus one---Overcoming Singularities, with Haoyang Guo. arXiv: 2501.18541 
Honours and Awards:
  • Julia Dale Prize, Duke University, 2016

Courses

Course Code Course Title Academic Year Term
IMSC1038 Algebra I 2025/26 1
MATH2040A Linear Algebra II 2025/26 1
MATH2040B Linear Algebra II 2025/26 1
MATH2020B Advanced Calculus II 2025/26 2
Course Code Course Title Academic Year Term
MATH6061 Topics in Number Theory I 2024/25 1
MATH2020B Advanced Calculus II 2024/25 2