Harbin Engineering University
College of Mathematical Sciences

Associate Professor
College of Mathematical Sciences
Harbin Engineering University
Harbin, China
Office: Room 313, Yifu Building
e-mail: qinchao@hrbeu.edu.cn

Publications

Papers

• On even $K$-groups of ring of integers of real abelian fields (joint with Meng Fai Lim)
  Submitted.
  
  
• A curious congruence of Z.-H. Sun (joint with Chang Liu, Wei-Lun Tsai and Dongxi Ye)
  Submitted.
  
  
• Explicit Hecke eigenform product identities for Hilbert modular forms (joint with Zeping Hao and Yang Zhou)
  Submitted.
  
  
• On characteristic elements modulo $p$ in non-commutative Iwasawa theory (joint with Meng Fai Lim)
  to appear in Pure and Applied Mathematics Quarterly, Special Issue: In Honor of John Coates.
  
  
• On pseudo-nullity of fine Mordell-Weil group (joint with Meng Fai Lim and Jun Wang)
  Bulletin of the Australian Mathematical Society, 112(1), 71 - 79, (2025). (pdf)
  
  
• Appendix of "On a conjecture of Chen and Yui-Fricke groups" by Dongxi Ye
  Journal of Number Theory, 253, 253--265, (2023).(pdf)
  
  
• On the solvability of regular subgroups in the holomorph of a finite solvable group (joint with with C. Tsang)
  International Journal of Algebra and Computation, 30(02), 17--68, (2020).(pdf)
  
  
• $K1$-congruences for three-dimensional Lie groups (joint with Daniel Delbourgo)
  Annales mathématiques du Québec, 43(1), 161--211, (2019). (pdf)
  
  
• On $\lambda$-invariants attached to cyclic cubic number fields (joint with Daniel Delbourgo)
  LMS Journal of Computation and Mathematics, 18(1), 684--698, (2015). (pdf)

Other Writing

• Iwasawa theory over solvable three-dimensional $p$-adic Lie extensions
  PhD thesis, University of Waikato (pdf)
  
  
• Zeroes of $5$-adic and $7$-adic $L$-functions over cubic fields
  Honours dissertation, University of Waikato (pdf)

Talks

Current number theory events