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Shinichi Mochizuki - Wikipedia
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Shinichi Mochizuki

Shinichi Mochizuki (望月もちづき 新一しんいち, Mochizuki Shin'ichi, born March 29, 1969) is a Japanese mathematician working in number theory and arithmetic geometry. He is one of the main contributors to anabelian geometry. His contributions include his solution of the Grothendieck conjecture in anabelian geometry about hyperbolic curves over number fields. Mochizuki has also worked in Hodge–Arakelov theory and p-adic Teichmüller theory. Mochizuki developed inter-universal Teichmüller theory,[2][3][4][5] which has attracted attention from non-mathematicians due to claims it provides a resolution of the abc conjecture.[6]

Shinichi Mochizuki
Born (1969-03-29) March 29, 1969 (age 55)[1]
Tokyo, Japan[1]
NationalityJapanese
Alma materPrinceton University
Known forAnabelian geometry
Inter-universal Teichmüller theory
AwardsJSPS Prize, Japan Academy Medal[1]
Scientific career
FieldsMathematics
InstitutionsKyoto University
Doctoral advisorGerd Faltings

Biography

Early life

Shinichi Mochizuki was born to parents Kiichi and Anne Mochizuki.[7] When he was five years old, Shinichi Mochizuki and his family left Japan to live in the United States. His father was Fellow of the Center for International Affairs and Center for Middle Eastern Studies at Harvard University (1974–76).[8] Mochizuki attended Phillips Exeter Academy and graduated in 1985.[9]

Mochizuki entered Princeton University as an undergraduate student at the age of 16 and graduated as salutatorian with an A.B. in mathematics in 1988.[9] He completed his senior thesis, titled "Curves and their deformations," under the supervision of Gerd Faltings.[10]

He remained at Princeton for graduate studies and received his Ph.D. in mathematics in 1992 after completing his doctoral dissertation, titled "The geometry of the compactification of the Hurwitz scheme," also under the supervision of Faltings.[11]

After his graduate studies, Mochizuki spent two years at Harvard University and then in 1994 moved back to Japan to join the Research Institute for Mathematical Sciences (RIMS) at Kyoto University in 1992, and was promoted to professor in 2002.[1][12]

Career

Mochizuki proved Grothendieck's conjecture on anabelian geometry in 1996. He was an invited speaker at the International Congress of Mathematicians in 1998.[13] In 2000–2008, he discovered several new theories including the theory of frobenioids, mono-anabelian geometry and the etale theta theory for line bundles over tempered covers of the Tate curve.

On August 30, 2012, Mochizuki released four preprints, whose total size was about 500 pages, that developed inter-universal Teichmüller theory and applied it in an attempt to prove several very famous problems in Diophantine geometry.[14] These include the strong Szpiro conjecture, the hyperbolic Vojta conjecture and the abc conjecture over every number field. In September 2018, Mochizuki posted a report on his work by Peter Scholze and Jakob Stix, which asserted that the third preprint contains an irreparable flaw; he also posted several documents containing his rebuttal of their criticism.[15] The majority of number theorists have found Mochizuki's preprints very difficult to follow and have not accepted the conjectures as settled, although there are a few prominent exceptions, including Go Yamashita, Ivan Fesenko, and Yuichiro Hoshi, who vouch for the work and have written expositions of the theory.[16][17]

On April 3, 2020, two Japanese mathematicians, Masaki Kashiwara and Akio Tamagawa, announced that Mochizuki's claimed proof of the abc conjecture would be published in Publications of the Research Institute for Mathematical Sciences, a journal of which Mochizuki is chief editor.[18] The announcement was received with skepticism by Kiran Kedlaya and Edward Frenkel, as well as being described by Nature as "unlikely to move many researchers over to Mochizuki's camp".[18] The special issue containing Mochizuki's articles was published on March 5, 2021.[2][3][4][5]

Publications

  • Mochizuki, Shinichi (1997), "A Version of the Grothendieck Conjecture for p-adic Local Fields" (PDF), International Journal of Mathematics, 8 (3), Singapore: World Scientific Pub. Co.: 499–506, CiteSeerX 10.1.1.161.7778, doi:10.1142/S0129167X97000251, ISSN 0129-167X
  • Mochizuki, Shinichi (1998), "The intrinsic Hodge theory of p-adic hyperbolic curves, Proceedings of the International Congress of Mathematicians, Vol. II (Berlin, 1998)", Documenta Mathematica: 187–196, ISSN 1431-0635, MR 1648069
  • Mochizuki, Shinichi (1999), Foundations of p-adic Teichmüller theory, AMS/IP Studies in Advanced Mathematics, vol. 11, Providence, R.I.: American Mathematical Society, ISBN 978-0-8218-1190-0, MR 1700772

Inter-universal Teichmüller theory

References

  1. ^ a b c d Mochizuki, Shinichi. "Curriculum Vitae" (PDF). Retrieved 14 September 2012.
  2. ^ a b Mochizuki, Shinichi (2021). "Inter-universal Teichmüller Theory I: Construction of Hodge Theaters" (PDF). Publications of the Research Institute for Mathematical Sciences. 57 (1–2): 3–207. doi:10.4171/PRIMS/57-1-1. S2CID 233829305.
  3. ^ a b Mochizuki, Shinichi (2021). "Inter-universal Teichmüller Theory II: Hodge–Arakelov-Theoretic Evaluation" (PDF). Publications of the Research Institute for Mathematical Sciences. 57 (1–2): 209–401. doi:10.4171/PRIMS/57-1-2. S2CID 233794971.
  4. ^ a b Mochizuki, Shinichi (2021). "Inter-universal Teichmüller Theory III: Canonical Splittings of the Log-Theta-Lattice" (PDF). Publications of the Research Institute for Mathematical Sciences. 57 (1–2): 403–626. doi:10.4171/PRIMS/57-1-3. S2CID 233777314.
  5. ^ a b Mochizuki, Shinichi (2021). "Inter-universal Teichmüller Theory IV: Log-Volume Computations and Set-Theoretic Foundations" (PDF). Publications of the Research Institute for Mathematical Sciences. 57 (1–2): 627–723. doi:10.4171/PRIMS/57-1-4. S2CID 3135393.
  6. ^ Crowell 2017.
  7. ^ Leah P. (Edelman) Rauch Philly.com on Mar. 6, 2005
  8. ^ MOCHIZUKI, Kiichi Dr. National Association of Japan-America Societies, Inc.
  9. ^ a b "Seniors address commencement crowd". Princeton Weekly Bulletin. Vol. 77. 20 June 1988. p. 4. Archived from the original on 3 April 2013.{{cite news}}: CS1 maint: bot: original URL status unknown (link)
  10. ^ Mochizuki, Shinichi (1988). Curves and their deformations. Princeton, NJ: Department of Mathematics.
  11. ^ Mochizuki, Shinichi (1992). The geometry of the compactification of the Hurwitz scheme.
  12. ^ Castelvecchi 2015.
  13. ^ "International Congress of Mathematicians 1998". Archived from the original on 2015-12-19.
  14. ^ Inter-universal Teichmüller theory IV: log-volume computations and set-theoretic foundations, Shinichi Mochizuki, August 2012
  15. ^ Klarreich, Erica (September 20, 2018). "Titans of Mathematics Clash Over Epic Proof of ABC Conjecture". Quanta Magazine.
  16. ^ Fesenko, Ivan (2016), "Fukugen", Inference: International Review of Science, 2 (3), doi:10.37282/991819.16.25
  17. ^ Roberts, David Michael (2019), "A crisis of identification", Inference: International Review of Science, 4 (3), doi:10.37282/991819.19.2, S2CID 232514600
  18. ^ a b Castelvecchi, Davide (April 3, 2020). "Mathematical proof that rocked number theory will be published". Nature. 580 (7802): 177. Bibcode:2020Natur.580..177C. doi:10.1038/d41586-020-00998-2. PMID 32246118. S2CID 214786566. Retrieved April 4, 2020.

Sources

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