2025 HLMA – 15 Teams Advance to the Finalist Stage
We are pleased to announce that the Scientific Committee of 2025 Hang Lung Mathematics Awards has selected the following 15 finalist teams to participate in the highly anticipated Oral Defense on December 16, 2025. The winners of 2025 Hang Lung Mathematics Awards will be announced at the Announcement and Awards Presentation Dinner on December 17, 2025.
(listed by school name in alphabetical order)
| 1. | School | Baptist Lui Ming Choi Secondary School |
| Teacher | Mr. Pak Hei Chan |
| Team Members | Yin Ching Chiu, Nicole Hon, Jason Ka Chun Tse, Kai Yang Zheng |
| Topic | On The 3D Sofa Problem |
| 2. | School | Diocesan Boys' School |
| Teacher | Mr. Long Tin Chan |
| Team Members | Cary Sirui Chan, Pak Yu Hui, Chi Sum Lok, Pui Ho Wong |
| Topic | Investigating Wordle and its Variants from an Information Theory Perspective |
| 3. | School | FDBWA Szeto Ho Secondary School |
| Teacher | Mr. Yu Tin Wong |
| Team Members | Kwok Leong Choi, Wai Leung Lao, Chun Tak Sun, Kwan Ho Wong |
| Topic | SEIR Modeling the COVID-19 Pandemic in Hong Kong |
| 4. | School | Helen Liang Memorial Secondary School (Shatin) |
| Teacher | Mr. Chun Hei Leung |
| Team Member | Hang Li |
| Topic | A Study on Elements of Order p in the Outer Automorphism Group of Extraspecial p-Groups |
| 5. | School | HKUGA College |
| Teacher | Mr. Yuk Lun Fong |
| Team Members | Lok Him Chan, David Kai Hei Gu, Sui Ping Tang, Ho Wong |
| Topic | On the Number of Multiplicative Type En Friezes |
| 6. | School | HKUGA College |
| Teacher | Mr. Yuk Lun Fong |
| Team Members | Triton Cheuk Lok Koh, Eron Ching Long Kwok, Man Hei Tung |
| Topic | What Can You Split and Draw? |
| 7. | School | Hong Kong Chinese Women’s Club College |
| Teacher | Mr. On Ping Chung |
| Team Member | Siu Man Li |
| Topic | Markov Chains Associated with Ultraspherical Polynomials: an Analysis of Weak Convergence and First Passage Time Functionals |
| 8. | School | King George V School |
| Teacher | Ms. Alexandra Streeter |
| Team Members | Daniel Haifeng Wang, Justin Haisong Wang |
| Topic | The Mathematics of Riffle Shuffling from Single to Multi-Deck Card Games |
| 9. | School | Pui Ching Middle School |
| Teacher | Mr. Yan Lam Fan |
| Team Member | Xi Yue Chen |
| Topic | On 6-free Extraordinary Numbers |
| 10. | School | Queen’s College |
| Teacher | Mr. Hang Chun Chan |
| Team Members | Edison Sze Ho Fu, Yun Tung Ko, Hoi Chun Puk, Wai Kwan Yeung |
| Topic | On the Generalizations of the No-Three-in-Line Problem |
| 11. | School | St. Joseph’s College |
| Teacher | Dr. Wai Shan Cheung |
| Team Members | Tsz Hei Chiu, Alex Sheung Fai Lam, Hin Chun Lee, Jamie Chun Hin Ng, Ka Lam Tang |
| Topic | On the Images of Rational Numbers under a Certain Type of Fractal Interpolation Function |
| 12. | School | St. Paul’s Co-Educational College |
| Teacher | Mr. Pak Leong Cheung |
| Team Members | Angus Kui Lam Huang, Inna Belle Lee, Chun Lam Lo, Lok Hei Qiao, Cheuk Lok Wong |
| Topic | Incentric Subdivisions of Triangles and Iterated Function Systems |
| 13. | School | Victoria Shanghai Academy |
| Teacher | Mr. David Bian |
| Team Members | Joshua Cheung, Haoyang Dong, Jizheng Li, Ming Ze Li, Maximilian Ng |
| Topic | Producing Annoying Sounds with Chalk by Varying Angle of Contact |
| 14. | School | Yew Chung International School |
| Teacher | Mr. Daniel Owusu Nyantakyi |
| Team Members | Yat Hong Chan, Pok Man Chiang, Ho Ka Fu, Bok Yin Kwan |
| Topic | Asymptotically Efficient Numerical Approximation of Mean Cross-Sectional Area of 3D Convex Hulls |
| 15. | School | Ying Wa College |
| Teacher | Dr. Chiu Chak Tang |
| Team Members | Yu-Yan Kan, Yue-Hin Li, Freddy Shing-Hon Lin |
| Topic | The Game of Math: Making Decisions in Games |
