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Jin Akiyama ( ja, 秋山仁; born 1946) is a Japanese mathematician, known for his appearances on Japanese prime-time television (
retrieved 2017-01-31. Akiyama studied mathematics at the
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{{DEFAULTSORT:Akiyama, Jin Year of birth missing (living people) Living people Japanese mathematicians Sophia University alumni Tokyo University of Science alumni Tokai University faculty Graph theorists University of Michigan people
Jin Akiyama ( ja, 秋山仁; born 1946) is a Japanese mathematician, known for his appearances on Japanese prime-time television (NHK
, also known as NHK, is a Japanese public broadcaster. NHK, which has always been known by this romanized initialism in Japanese, is a statutory corporation funded by viewers' payments of a television license fee.
NHK operates two terrestr ...
) presenting magic tricks with mathematical explanations. He is director of the Mathematical Education Research Center at the Tokyo University of Science
, formerly "Science University of Tokyo" or TUS, informally or simply is a private research university located in Shinjuku, Tokyo, Japan.
History
Tokyo University of Science was founded in 1881 as The Tokyo Academy of Physics by 21 graduates ...
, and professor emeritus at Tokai University
is a private non-sectarian higher education institution located in Tokyo, Japan. It was founded by Dr. Shigeyoshi Matsumae.
It was accredited under Japan's old educational system in 1946 and under the new system in 1950. In 2008, Tokai Un ...
.Profileretrieved 2017-01-31. Akiyama studied mathematics at the
Tokyo University of Science
, formerly "Science University of Tokyo" or TUS, informally or simply is a private research university located in Shinjuku, Tokyo, Japan.
History
Tokyo University of Science was founded in 1881 as The Tokyo Academy of Physics by 21 graduates ...
, where one of his mentors was Takashi Hamada.
He completed a graduate degree at Sophia University
Sophia University (Japanese: 上智大学, ''Jōchi Daigaku''; Latin: ''Universitas Sedis Sapientiae'') is a private research university in Japan. Sophia is one of the three ''Sōkeijōchi'' (早慶上智) private universities, a group of the to ...
under the supervision of Mitio Nagumo, in differential equation
In mathematics, a differential equation is an equation that relates one or more unknown functions and their derivatives. In applications, the functions generally represent physical quantities, the derivatives represent their rates of change, an ...
s, but soon shifted his interests to graph theory
In mathematics, graph theory is the study of ''graphs'', which are mathematical structures used to model pairwise relations between objects. A graph in this context is made up of '' vertices'' (also called ''nodes'' or ''points'') which are conn ...
. He planned to take a position in Ghana
Ghana (; tw, Gaana, ee, Gana), officially the Republic of Ghana, is a country in West Africa. It abuts the Gulf of Guinea and the Atlantic Ocean to the south, sharing borders with Ivory Coast in the west, Burkina Faso in the north, and To ...
, but
after conflict there caused it to be cancelled he joined the faculty at Nippon Ika University, and then moved to the U.S. for 1978 and 1979 to work with Frank Harary
Frank Harary (March 11, 1921 – January 4, 2005) was an American mathematician, who specialized in graph theory. He was widely recognized as one of the "fathers" of modern graph theory.
Harary was a master of clear exposition and, together with ...
at the University of Michigan
, mottoeng = "Arts, Knowledge, Truth"
, former_names = Catholepistemiad, or University of Michigania (1817–1821)
, budget = $10.3 billion (2021)
, endowment = $17 billion (2021)As o ...
. In the 1990s, his interests shifted again, from graph theory to discrete geometry
Discrete geometry and combinatorial geometry are branches of geometry that study combinatorial properties and constructive methods of discrete geometric objects. Most questions in discrete geometry involve finite or discrete sets of basic ge ...
..
Akiyama is a founder of the Japan Conference on Discrete and Computational Geometry, Graphs, and Games (JCDCG3), the founding managing editor of ''Graphs and Combinatorics
''Graphs and Combinatorics'' (ISSN 0911-0119, abbreviated ''Graphs Combin.'') is a peer-reviewed academic journal in graph theory, combinatorics, and discrete geometry published by Springer Japan. Its editor-in-chief is Katsuhiro Ota of Keio Univ ...
'',
and the author of the books ''A Day's Adventure in Math Wonderland'' (with Mari-Jo Ruiz, World Scientific, 2008), ''Factors and Factorizations of Graphs'' (with Mikio Kano, Lecture Notes in Mathematics 2031, Springer, 2011), and '' Treks Into Intuitive Geometry: The World of Polygons and Polyhedra'' (with Kiyoko Matsunaga, Springer, 2015).Reviews of ''Treks into Intuitive Geometry'':
; ; He is also the namesake of a Nintendo DS game, ''Master Jin Jin's IQ Challenge''.
Akiyama's lectures sometimes also include musical performances by him, on accordion or xylophone
The xylophone (; ) is a musical instrument in the percussion family that consists of wooden bars struck by mallets. Like the glockenspiel (which uses metal bars), the xylophone essentially consists of a set of tuned wooden keys arranged in ...
.
References
External links
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{{DEFAULTSORT:Akiyama, Jin Year of birth missing (living people) Living people Japanese mathematicians Sophia University alumni Tokyo University of Science alumni Tokai University faculty Graph theorists University of Michigan people