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Henry Cohn

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Henry Cohn
Henry Cohn at Oberwolfach, June 2014
Photo by Ivonne Vetter
Alma materMIT[2]
Harvard
Known forSphere packing
Scientific career
FieldsMathematics
InstitutionsMicrosoft Research
Thesis New Bounds on Sphere Packings  (2000)
Doctoral advisorNoam Elkies[1]
Websitehttps://cohn.mit.edu/

Henry Cohn is an American mathematician. He is a principal researcher at Microsoft Research and an adjunct professor at MIT.[2] In collaboration with Abhinav Kumar, Stephen D. Miller, Danylo Radchenko, and Maryna Viazovska, he solved the sphere packing problem in 24 dimensions.[3] In 2003, with Chris Umans he initiated a group-theoretic approach to matrix multiplication,[4] and is a core contributor to its continued development with various coauthors.[5][6][7][8][9]

Cohn graduated from Harvard University in 2000 with a doctorate in mathematics.[10] Cohn was an Erdős Lecturer at Hebrew University of Jerusalem in 2008. In 2016, he became a Fellow of the American Mathematical Society "for contributions to discrete mathematics, including applications to computer science and physics."[11]

In 2018, he was awarded the Levi L. Conant Prize for his article “A Conceptual Breakthrough in Sphere Packing,” published in 2017 in the Notices of the AMS.[12]

References

  1. ^ Henry Cohn at the Mathematics Genealogy Project
  2. ^ a b "Henry Cohn". Retrieved 14 July 2017.
  3. ^ Klarreich, Erica (30 March 2016). "Sphere Packing Solved in Higher Dimensions". Quanta Magazine. Retrieved 14 July 2017.
  4. ^ Cohn, Henry; Umans, Christopher (2003). "A group-theoretic approach to fast matrix multiplication". Proc. 44th Annual IEEE Symposium on Foundations of Computer Science (FOCS). IEEE. pp. 438–449. arXiv:math/0307321. doi:10.1109/SFCS.2003.1238217.
  5. ^ Cohn, Henry; Kleinberg, Robert; Szegedy, Balász; Umans, Christopher (2005). "Group-theoretic Algorithms for Matrix Multiplication". Proc. 46th Annual IEEE Symposium on Foundations of Computer Science (FOCS). IEEE. pp. 379–388. arXiv:math/0511460. doi:10.1109/SFCS.2005.39.
  6. ^ Cohn, Henry; Umans, Christopher (2013). "Fast matrix multiplication using coherent configurations". Proc. 24th Annual ACM-SIAM Symposium on Discrete Algorithms (SODA). SIAM. pp. 1074–1087. arXiv:1207.6528. doi:10.1137/1.9781611973105.77.
  7. ^ Blasiak, Jonah; Church, Thomas; Cohn, Henry; Grochow, Joshua A.; Naslund, Eric; Sawin, William F.; Umans, Christopher (2017). "On cap sets and the group-theoretic approach to matrix multiplication". Discrete Analysis. arXiv:1605.06702. doi:10.19086/da.1245.
  8. ^ Blasiak, Jonah; Church, Thomas; Cohn, Henry; Grochow, Joshua A.; Umans, Christopher (2017). "Which groups are amenable to proving exponent two for matrix multiplication?". arXiv:1712.02302 [math.GR].
  9. ^ Blasiak, Jonah; Cohn, Henry; Grochow, Joshua A.; Pratt, Kevin; Umans, Christopher (2023). "Matrix Multiplication via Matrix Groups". 14th Innovations in Theoretical Computer Science Conference (ITCS 2023). Schloss Dagstuhl - Leibniz-Zentrum für Informatik. pp. 19:1–19:16. doi:10.4230/LIPIcs.ITCS.2023.19.
  10. ^ "Henry Cohn | MIT Mathematics". Archived from the original on 2022-02-19. Retrieved 2017-12-22.
  11. ^ List of Fellows of the American Mathematical Society, retrieved 2017-08-09
  12. ^ "2018 Levi L. Conant Prize" (PDF). American Mathematical Society. Retrieved 7 September 2018.
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