Takeo Nakasawa: Difference between revisions
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| occupation = [[Mathematician]] |
| occupation = [[Mathematician]] |
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'''Takeo Nakasawa''' ({{lang-ja|中澤武雄}},<ref>{{cite web |title=消えた数学者 |
'''Takeo Nakasawa''' ({{lang-ja|中澤武雄}},<ref>{{cite web |title=消えた数学者 中澤武雄 |url=http://www.yurinsha.com/424/nishi.pdf |accessdate=5 May 2019|archiveurl=https://web.archive.org/web/20190505023325/http://www.yurinsha.com/424/nishi.pdf|archivedate=5 May 2019|language=ja}}</ref> February 5, 1913, [[Kōchi prefecture]], [[Japan]] – June 20, 1946, [[Khabarovsk]], [[Soviet Union]]) was a [[Japanese people|Japanese]] [[mathematician]] who independently invented the [[theory]] of [[matroid]]s, though his work was forgotten for many years. He published four papers (in German) of which the first three introduce the subject of matroid theory during 1935–1938, when he worked as an assistant in the Tokyo University of Arts and Sciences (now [[University of Tsukuba]]). After his last paper was published, he left for [[Manchuria]] at the age of 25 in 1938, then ruled by Japan, and worked as a bureaucrat there. With the defeat of Japan in 1945, the Soviets took control of Manchuria and Nakasawa was carted off to [[Siberia]]. He died of [[dystrophia]] at the age of 33 in Khabarovsk in the Soviet Union in 1946. |
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==References== |
==References== |
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*{{citation|mr=2516551 |
*{{citation|mr=2516551 |
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|title=A lost mathematician, Takeo Nakasawa. The forgotten father of matroid theory |
|title=A lost mathematician, Takeo Nakasawa. The forgotten father of matroid theory |
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|editor-first=Hirokazu |editor-last=Nishimura |editor2-first=Susumu |editor2-last=Kuroda|publisher= Birkhäuser Verlag|place= Basel|year= 2009|isbn= 978-3-7643-8572-9|url=https://doi.org/10.1007%2F978-3-7643-8573-6}} |
|editor-first=Hirokazu |editor-last=Nishimura |editor2-first=Susumu |editor2-last=Kuroda|publisher= Birkhäuser Verlag|place= Basel|year= 2009|doi=10.1007/978-3-7643-8573-6 |
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|isbn= 978-3-7643-8572-9|url=https://doi.org/10.1007%2F978-3-7643-8573-6}} |
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{{Authority control}} |
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Revision as of 11:21, 11 December 2021
Takeo Nakasawa | |
|---|---|
| Born | February 5, 1913 |
| Died | June 20, 1946 (aged 33) |
| Nationality | Japanese |
| Occupation | Mathematician |
| Known for | Inventor of the theory of matroids |
Takeo Nakasawa (Template:Lang-ja,[1] February 5, 1913, Kōchi prefecture, Japan – June 20, 1946, Khabarovsk, Soviet Union) was a Japanese mathematician who independently invented the theory of matroids, though his work was forgotten for many years. He published four papers (in German) of which the first three introduce the subject of matroid theory during 1935–1938, when he worked as an assistant in the Tokyo University of Arts and Sciences (now University of Tsukuba). After his last paper was published, he left for Manchuria at the age of 25 in 1938, then ruled by Japan, and worked as a bureaucrat there. With the defeat of Japan in 1945, the Soviets took control of Manchuria and Nakasawa was carted off to Siberia. He died of dystrophia at the age of 33 in Khabarovsk in the Soviet Union in 1946.
References
- ^ "消えた数学者 中澤武雄" (PDF) (in Japanese). Archived from the original (PDF) on 5 May 2019. Retrieved 5 May 2019.
- Nishimura, Hirokazu; Kuroda, Susumu, eds. (2009), A lost mathematician, Takeo Nakasawa. The forgotten father of matroid theory, Basel: Birkhäuser Verlag, doi:10.1007/978-3-7643-8573-6, ISBN 978-3-7643-8572-9, MR 2516551
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