Kurushima Kinai
Japanese mathematician
Kurushima Kinai (久留島 喜内, died January 9, 1757),[1] also known as Kurushima Yoshita[2] and Kurushima Yoshihiro (久留島 義太),[3] was a Japanese mathematician in the Edo period.[4]
The Japanese board game of shogi attracted Kurushima's interest; and he was recognized in his own time as a master player.[5] Among shogi players, he continues today to be well known for seven "puzzle ring" gambits with subsequent sequenced maneuvers—including the "silver puzzle ring."[6]
In his lifetime, he was recognized among the most prominent intellectuals. His mathematical gift was highly esteemed.[7] Kurushima, like most of his contemporaries, was very interested in the mathematical problems involved in "magic squares."[8]
Selected works
Kurushima's published writings are few.[3]
- Kurushima kyokusū (久留島極数) OCLC 033747221
- Kyūshi ikō. 1 (久氏遺稿. 天之卷) OCLC 033745707
- Kyūshi ikō. 2 (久氏遺稿. 地之卷) OCLC 033746085
- Heihō reiyaku no jutsu (平方零約之術) OCLC 033745451
See also
- Sangaku, the custom of presenting mathematical problems, carved in wood tablets, to the public in shinto shrines
- Soroban, a Japanese abacus
- Japanese mathematics
Notes
- ^ 久留島喜内 -- Chiba University, Dept. of Mathematics and Informatics
- ^ List of Japanese mathematicians -- Clark University, Dept. of Mathematics and Computer Science
- ^ a b WorldCat Identities Archived 2010-12-30 at the Wayback Machine: 久留島義太 -1757
- ^ Smith, David. (1914). A History of Japanese Mathematics, p. 176. , p. 176, at Google Books
- ^ Shogi, "Famous Mate Problems" -- #62, #63, #68, #69, #79
- ^ La Revue de l'Association Française de Shogi, Juillet 1998, Numéro 19, p. 4.
- ^ Smith, p. 166. , p. 166, at Google Books
- ^ Michiwaka, Yoshimasa. (1997). "Magic Squares in Japanese Mathematics," Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures, p. 539. , p. 539, at Google Books
References
- Endō Toshisada (1896). History of mathematics in Japan (日本數學史史, Dai Nihon sūgakush). Tōkyō: _____. OCLC 122770600
- Selin, Helaine. (1997). Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures. Dordrecht: Kluwer/Springer. ISBN 9780792340669; OCLC 186451909
- David Eugene Smith and Yoshio Mikami. (1914). A History of Japanese Mathematics. Chicago: Open Court Publishing. OCLC 1515528 -- note alternate online, full-text copy at archive.org
External links
- Shogi, Kuroshima's "Silver Puzzle Ring" gambit
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