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Choi Seok-jeong

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In this Korean name, the family name is Choi.
Portrait

Choi Seok-jeong (Korean: 최석정; Hanja: 崔錫鼎; 1646–1715) was a Korean politician and mathematician in the Joseon period of Korea. He published the Gusuryak (Korean: 구수략; Hanja: 九數略) in 1700,[1] which is the first literature on the Latin square,[2] predating Leonhard Euler by at least 67 years.[3][4] He also invented the hexagonal tortoise problem.[5]

References

  1. ^ "구수략(九數略)". 규장각 문화재청. Seoul National University Kyujanggak Institute for Korean Studies. Retrieved 11 April 2017.
  2. ^ Colbourn, Charles J.; Dinitz, Jeffrey H. (2 November 2006). Handbook of Combinatorial Designs, Second Edition. CRC Press. p. 12. ISBN 9781420010541. Retrieved 28 March 2017.
  3. ^ Ree, Sangwook (August 15, 2014). "Confucian scholar's discovery predates the work of Euler" (PDF). Math&Presso. Vol. 3. International Congress of Mathematicians.
  4. ^ Kim, Sung Sook (2012). Orthogonal Latin Squares of Choi Seok-Jeong (PDF). History and Pedagogy of Mathematics. Archived from the original (PDF) on 5 April 2017. Retrieved 28 March 2017.
  5. ^ Proceedings of the Genetic and Evolutionary Computation Conference. Morgan Kaufmann Publishers. 2002. p. 689. ISBN 9781558608788. Retrieved 28 March 2017.
Gusuryak by Choi Seok-jeong, published in 1700


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