Nobuo Yoneda

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Nobuo Yoneda (米田 信夫, Yoneda Nobuo, March 28, 1930 – April 22, 1996) was a Japanese mathematician and computer scientist.[1][2]

He obtained his Ph.D. degree from the University of Tokyo in 1952, under the direction of Shokichi Iyanaga.

The Yoneda lemma in category theory and the Yoneda product in homological algebra are named after him.[3] In computer science, he is known for his work on ALGOL dialects.[4]


  1. ^ Wada, Eiiti; Yonezawa, Akinori (November 1996), "Professor Nobuo Yoneda (28 March 1930–22 April 1996)", Science of Computer Programming, 27 (3): 215–216, doi:10.1016/0167-6423(96)88115-9.
  2. ^ Kinoshita, Y. (1998), "Nobuo Yoneda", Mathematica Japonicae, 47: 155.
  3. ^ Mac Lane, Saunders (1998), "The Yoneda Lemma", Mathematica Japonicae, 47: 156.
  4. ^ Koster, C. H. A. (1996), "The Making of Algol 68", in Bjørner, Dines; Broy, Manfred; Pottosin, Igor V., Perspectives of System Informatics: Second International Andrei Ershov Memorial Conference, Akademgorodok, Novosibirsk, Russia, June 25 - 28, 1996, Proceedings, Lecture Notes in Computer Science, 1181, pp. 55–67, doi:10.1007/3-540-62064-8_6. See in particular p. 61.

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