Japanese Temple Geometry

Some (mostly) on-line resources

Book:

• Fukagawa Hidetoshi, Tony Rothman Sacred mathematics: Japanese temple geometry .

Introductory papers:

• Tony Rothman, Hidetoshi Fukagawa, Japanese Temple Geometry.
• Hidetoshi Fukagawa, Kazunori Horibe, Sangaku--Japanese Mathematics and Art in the 18 th ,19 th and 20 th Centuries.
• Jill Vincent, Claire Vincent, Japanese temple geometryapanese temple geometry.
• Hidetoshi Fukagawa, Symmetry in Traditional Japanese Mathematics.
• Eiichi Ito, Echio Nomura, Hirotaka Kobayashi, Hideaki Tanaka, Isao Kitahara, Kenji Otani, Nobuya Nakamura, Ryutaro Yanagisawa and Tetsuo Sekiguchi Japanese Temple Mathematical Problems in Nagano Pre..

Further reading:

• J. Marshall Unger, A Collection of 30 Sangaku Problems.
• J. Marshall Unger, 60 New Sangaku Problems.
• J. Marshall Unger, Sangaku Problems About Ellipses: Why Primary Sources Matter.
• Kazunori Horibea, Bih-Yaw Jinb, Chia-Chin Tsoo, From Sangaku Problems to Mathematical Beading.
• Nobuya Nakamura, Formulas in Traditional Geometry English translation of a 1841 text in Japanese.
• Rosalie Hosking, Solving Sangaku: A Traditional Solution to a Nineteenth Century Japanese Temple Problem.

Some online collections:

• Sangaku Problems on cut-the-knot
• Hiroshi Kotera collected several hundreds of images of sangaku tables - out of about 820 that survived (click on hieroglyphs to see the pictures!). The English version of the page contains the map of prefectures in Japan.
• facebook page with many Sangaku problems (in Japanese-?)