Jacob Tsimerman
Jacob Tsimerman (born 1988) is a Canadian
mathematician at the University of Toronto                               Jacob Tsimerman
specialising in number theory and related areas. He        Born             April 26, 1988
was awarded the SASTRA Ramanujan Prize in the                               Kazan, Russia
year 2015 in recognition for his work on the André–        Nationality      Canadian
Oort conjecture and for his work in both analytic          Alma mater       University of Toronto
number theory and algebraic geometry.[1]                                    Princeton University
                                                           Awards           SASTRA Ramanujan Prize
                                                                            (2015)
Education                                                                   Ribenboim Prize (2016)
                                                                            Coxeter-James Prize (2019)
He studied at the University of Toronto, graduating in
2006 with a bachelor's degree in math. He obtained his                      New Horizons in Mathematics
                                                                            Prize (2022)
PhD from Princeton in 2011[2] under the guidance of
                                                                            Ostrowski Prize (2023)
Peter Sarnak.[3]
                                                                          Scientific career
                                                           Fields           Mathematics
Career                                                     Institutions     University of Toronto
Jacob Tsimerman was born in Kazan, Russia, on April Doctoral          Peter Sarnak
26, 1988. In 1990 his family first moved to Israel and advisor
then in 1996 to Canada. In 2003 and 2004 he
represented Canada in the International Mathematical Olympiad (IMO) and won gold medals both years,
with a perfect score in 2004.[4]
Following his PhD, he had a post-doctoral position at Harvard University as a Junior Fellow of the
Harvard Society of Fellows. In July 2014 he was awarded a Sloan Fellowship and he started his term as
assistant professor at the University of Toronto, where he is now a full professor.[5]
In 2018, Tsimerman was an invited speaker at the International Congress of Mathematicians.[6] In 2019,
he was awarded the Coxeter–James Prize by the Canadian Mathematical Society.[7] He is also one of
winners of the 2022 New Horizons in Mathematics Prize, associated with the Breakthrough Prize in
Mathematics. He was awarded for "outstanding work in analytic number theory and arithmetic geometry,
including breakthroughs on the André-Oort and Griffiths conjectures".[8] In 2023, Tsimerman received
the Ostrowski Prize.[9]
Research
Together with Jonathan Pila, Tsimerman demonstrated the André–Oort conjecture for Siegel modular
varieties. Later, he completed the proof of the full André-Oort conjecture for all moduli spaces of abelian
varieties by reducing the problem to the averaged Colmez conjecture which was proved by Xinyi Yuan
and Shou-Wu Zhang as well as independently by Andreatta, Goren, Howard and Madapusi-Pera.[10]
References
 1. "Jacob Tsimerman Awarded 2015 SASTRA Ramanujan Prize" (https://web.archive.org/web/
    20170324015411/http://www.math.princeton.edu/news/home-page/jacob-tsimerman-11-awa
    rded-2015-sastra-ramanujan-prize). Princeton University. Archived from the original (https://
    www.math.princeton.edu/news/home-page/jacob-tsimerman-11-awarded-2015-sastra-rama
    nujan-prize) on 24 March 2017. Retrieved 8 November 2015.
 2. "Impressive breakthroughs by U of T's youngest faculty member in math, Jacob Tsimerman |
    Faculty of Arts & Science" (https://web.archive.org/web/20191001222921/https://www.artsci.
    utoronto.ca/news/impressive-breakthroughs-u-ts-youngest-faculty-member-math-jacob-tsim
    erman). 2019-10-01. Archived from the original on 2019-10-01. Retrieved 2021-10-21.
 3. "Jacob Tsimerman" (http://www.genealogy.math.ndsu.nodak.edu/id.php?id=184290).
    Mathematics Genealogy Project. Retrieved 8 November 2015.
 4. "Jacob Tsimerman – IMO results" (https://web.archive.org/web/20120505013514/http://www.
    imo-official.org/participant_r.aspx?id=7387). Archived from the original (http://www.imo-offici
    al.org/participant_r.aspx?id=7387) on May 5, 2012.
 5. "Jacob Tsimerman" (http://www.math.toronto.edu/~jacobt/).
 6. "ICM Plenary and Invited Speakers | International Mathematical Union (IMU)" (https://www.
    mathunion.org/icm-plenary-and-invited-speakers?combine=Tsimerman).
    www.mathunion.org. Retrieved 2024-05-19.
 7. "Coxeter-James Prize – CMS-SMC" (https://cms.math.ca/awards/coxeter-james-prize/).
    Retrieved 2024-05-19.
 8. "Breakthrough Prize – Mathematics Breakthrough Prize Laureates – Jacob Tsimerman" (http
    s://breakthroughprize.org/Laureates/3/L3910). breakthroughprize.org. Retrieved
    2024-05-19.
 9. Ostrowski Prize 2023 (https://ostrowski.ch/index_e.php?ifile=)
10. "February 2018". Notices of the American Mathematical Society. 65 (2): 191. 2018.
    ISSN 1088-9477 (https://search.worldcat.org/issn/1088-9477).
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