Yutaka Nishiyama Explained

Yutaka Nishiyama
Native Name:	西山豊
Native Name Lang:	Japanese
Birth Date:	21 October 1948
Occupation:	University academic, author
Known For:	Mathematical study of Boomerangs
Education:	Kyoto University
Discipline:	Applied mathematics
Workplaces:	Osaka University of Economics

is a Japanese mathematician and professor at the Osaka University of Economics, where he teaches mathematics and information. He is known as the "boomerang professor".^[1] He has written nine books about the mathematics in daily life.^[2] The most recent one, The mystery of five in nature, investigates, amongst other things, why many flowers have five petals.

Biography

• 1967-1971: Faculty of Mathematics, Department of Science, Kyoto University
• 1971-1985: IBM Japan as a Systems Engineer
• 1985: Lecturer of Information Mathematics at Osaka University of Economics
• 1995–present: Professor at Osaka University of Economics
• 2005-2006: Visiting fellow at University of Cambridge, UK, joined for MMP.^[3]

Books

• 50 Visions of Mathematics, Oxford University Press, May 2014,
• The Mysterious Number 6174: One of 30 Mathematical Topics in Daily Life, Gendai Sugakusha, July 2013,

thumb|HP of Yutaka Nishiyama

Papers

• General Solution for Multiple Foldings of Hexaflexagons IJPAM, Vol. 58, No. 1, (2010). 113–124. "19 faces of Flexagons"
• Fixed Points in Similarity Transformations IJPAM, Vol. 56, No. 3, (2009). 429–438.

Articles for Plus Magazine

• A bright idea, Plus Magazine, issue 36, University of Cambridge, September 2005.
• Mysterious Number 6174, Plus Magazine, issue 38, University of Cambridge, March 2006.
• Winning Odds, with Steve Humble, Plus Magazine, issue 55, University of Cambridge, June 2010.
• Having fun with unit fractions, Plus Magazine, University of Cambridge, Feb 2012.
• Circles rolling on circles, Plus Magazine, University of Cambridge, May 2014.

External links

• Homepage of Yutaka Nishiyama

Notes and References

1. http://yutaka-nishiyama.sakura.ne.jp/bip/index2.html Boomerang International Project 2007
2. http://yutaka-nishiyama.sakura.ne.jp/mathdaily.html Mathematics in Daily Life
3. [Millennium Mathematics Project]