Hannah Mira Cairo
| Hannah Mira Cairo | |
|---|---|
| Born | 2007 (age 18–19) Nassau, Bahamas |
| 🏳️ Nationality | American |
| 🎓 Alma mater | University of California, Berkeley |
| 💼 Occupation | |
| Known for | Disproof of the Mizohata–Takeuchi conjecture |
Hannah Mira Cairo (born 2007) is an American mathematician who gained recognition at age 17 for disproving the longstanding Mizohata–Takeuchi conjecture in harmonic analysis.
Early life and education
Cairo was born in Nassau, Bahamas.[1] During the COVID-19 pandemic, she began participating in the Berkeley Math Circle (BMC) remotely.[2] After moving to the United States, she continued to attend university-level mathematics lectures at the University of California, Berkeley, including courses taught by mathematician Ruixiang Zhang.[1]
In fall 2025, she is expected to begin her PhD studies at the University of Maryland,[2] focusing on Fourier restriction theory.
Mathematical work
While studying under Ruixiang Zhang, Cairo began working on the Mizohata–Takeuchi conjecture, which had remained unresolved since the 1980s. Initially aiming to prove the conjecture, she instead constructed a counterexample that disproved it.[2]
Her findings were published in the preprint titled A Counterexample to the Mizohata–Takeuchi Conjecture and uploaded to the arXiv preprint server on February 10, 2025. Later that year, she presented her work at the 12th International Congress on Harmonic Analysis and Partial Differential Equations in El Escorial, Spain.[2]
Selected publications
- Cairo, Hannah Mira (2025). "A Counterexample to the Mizohata–Takeuchi Conjecture". arXiv.
Recognition
Cairo's work was widely reported in the international press due to her young age and the significance of the breakthrough. Media described her as one of the youngest mathematicians to resolve a major open problem in analysis.[2]
References
- ↑ 1.0 1.1 Kleindl, Reinhard (4 July 2025). "17-jährige Schülerin löst ein jahrzehntealtes Mathematikproblem". Der Standard (in German). Retrieved 12 July 2025.CS1 maint: Unrecognized language (link)
- ↑ 2.0 2.1 2.2 2.3 2.4 Timón, Ágata A (1 July 2025). "A 17-year-old teen refutes a mathematical conjecture proposed 40 years ago". El País. Retrieved 12 July 2025.
External links
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