Other Interests:

History of Japanese and Chinese mathematics, wasan, sangaku, ethnomathematics

Recent conferences (talks and abstracts)

  1. On a sangaku of Mie prefecture, Scientific Session on Early Modern Mathematics (SS1), XXII International Congress of History of Science, Beijing, China, July 24-30, 2005.
  2. Votive mathematical tablets in Edo Japan, Abstract, Third International Conference on Ethnomathematics, Auckland, New Zealand, February 12-16, 2006.
  3. Sangaku: a mathematical tradition in Edo Japan, Colloquium, Bowdoin College, Brunswick, Maine, October 23, 2008.
  4. "On a sangaku problem of Hirohata shrine in Mie prefecture", Colloquium, Math. Dept., Naruto Univ., Naruto, Japan, June 30, 2009.
  5. "What did Yamaguchi Kazu do during his second trip to the Northeast?", Colloquium, Math. Dept., Yamaguchi Univ., Yamaguchi, Japan, July 2, 2009.
  6. "On a sangaku from Mie prefecture", Mathematics Department, Kyushu Univ., Fukuoka, Japan, July 3, 2009.
  7. "What is sangaku?", Arts and Mathematics, MAA Contributed Paper Session, Joint Mathematics Meetings, San Francisco, California, January 13-16, 2010.
  8. Japanese Temple Geometry - the tradition of sangaku in Edo Japan, Colloquium, Colby College, Waterville, Maine, November 15, 2010.
  9. Sangaku in Edo Japan (subtitle: What did Yamaguchi Kazu do during his second trip to the Northeast?), history of mathematics seminar, Dept. Mathematics, UNESP-Rio Claro, Rio Claro, São Paulo, Brazil, May 27, 2014.
  10. Sangaku - a mathematical tradition in Edo Japan, colloquium, Dept. Mathematics, Federal University of São Carlos, São Carlos, São Paulo, Brazil, June 11, 2014.