Si Ying Lee
| Si Ying Lee | |
|---|---|
| Born | |
| 🎓 Alma mater | Harvard University (PhD) National University of Singapore (BS) |
| 💼 Occupation | |
| Known for | Contributions to Shimura varieties Work on the Langlands program |
| 🏅 Awards | Maryam Mirzakhani New Frontiers Prize (2025) |
Si Ying Lee is a Singaporean mathematician who specializes in number theory, particularly arithmetic geometry and the Langlands program. She is currently an Assistant Professor of Mathematics at the National University of Singapore.[1] In 2025, she won the Maryam Mirzakhani New Frontiers Prize for her contributions to the theory of Shimura varieties.[2]
Early life and education
Lee completed her undergraduate studies at the National University of Singapore in 2017.[3] She earned her PhD in Mathematics from Harvard University in 2022 under the supervision of Mark Kisin.[4] Her doctoral thesis focused on Eichler-Shimura congruence relations for Shimura varieties of Hodge type.[1]
Career
After completing her PhD, Lee held a position at the Max Planck Institute for Mathematics in Bonn from 2022 to 2023.[1] She then served as a Szegö Assistant Professor at Stanford University from 2023 to 2025.[5] At Stanford, she taught courses including Topics in Number Theory (MATH 249C), Calculus (MATH 21), and Linear Algebra and Matrix Theory (MATH 113).[6]
Lee returned to the National University of Singapore as an Assistant Professor, where she continues her research in number theory.[1]
Research
Lee's research focuses on arithmetic geometry and the Langlands program, with particular emphasis on the theory of Shimura varieties.[1] Her doctoral thesis established Eichler-Shimura congruence relations for Shimura varieties of Hodge type, extending classical results to a broader class of varieties.[7]
In her prize-winning work, Lee developed "a new approach to a problem in the Langlands program" and made significant contributions to understanding Shimura varieties, which serve as "a special type of classifying spaces that can connect number theory and geometry".[8]
Awards and honors
In 2025, Lee received the Maryam Mirzakhani New Frontiers Prize, which includes a $50,000 award.[2][9] The prize citation recognized her "for contributions to the theory of Shimura varieties".[2] Upon receiving the award, Lee stated: "Winning this prize was both a validation of my research and a real honor since it is named in the honor of Maryam Mirzakhani".[8] She acknowledged her collaborators, her mentor Richard Taylor at Stanford, and her doctoral adviser Mark Kisin at Harvard.[8]
Selected publications
- Lee, Si Ying (2020). "Eichler-Shimura Relations for Shimura Varieties of Hodge Type". arXiv:2006.11745 [math.NT].
- Lee, Si Ying (2022). "Semisimplicity of étale cohomology of certain Shimura varieties". arXiv:2206.07283 [math.NT].
References
- ↑ 1.0 1.1 1.2 1.3 1.4 "Si Ying Lee". Personal Website. Retrieved 9 August 2025.
- ↑ 2.0 2.1 2.2 "Si Ying Lee Receives 2025 Maryam Mirzakhani New Frontiers Prize". harvard.edu. 11 April 2025. Retrieved 9 August 2025.
- ↑ "NUS Faculty of Science Facebook Post". Facebook. NUS Faculty of Science. Retrieved 9 August 2025.
- ↑ "Si Ying Lee - The Mathematics Genealogy Project". Mathematics Genealogy Project. Retrieved 9 August 2025.
- ↑ "Si Ying Lee and Jeongwan Haah awarded 2025 Breakthrough Prize awards". Stanford Mathematics. September 2024. Retrieved 9 August 2025.
- ↑ "Si Ying Lee - Stanford Course Listings". Stanford University. Retrieved 9 August 2025.
- ↑ Lee, Si Ying (2020). "Eichler-Shimura Relations for Shimura Varieties of Hodge Type". arXiv:2006.11745 [math.NT].
- ↑ 8.0 8.1 8.2 "Si Ying Lee and Jeongwan Haah awarded 2025 Breakthrough Prize awards". Stanford Report. 12 September 2024. Retrieved 9 August 2025.
- ↑ "Stanford researchers honored with 2025 Breakthrough prizes". Stanford School of Humanities and Sciences. Retrieved 9 August 2025.
External links
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