(Last updated : 2024-05-02 10:30:24)
  HIRATA Koichi
   Department   Matsuyama University  Department of Business Administration, Faculty of Business Administration
   Position   Professor
E-mail Address
  kyoin_mail
Educational Background
1. 1973/04~1978/03 Faculty of Science, Tokyo Institute of Technology, Graduated
2. 1978/04~1980/03 〔Master degree program〕, Graduate School, Division of Natural Science, Kyoto University, Completed,
3. 1980/04~1984/03 〔Doctoral course〕, Graduate School, Division of Natural Science, Kyoto University, Completed,
Research Field (Keyword)
Geometry, Science education (Key Word:wasan, origami, discrete geometry, topolygy, mathematics education, informatics education) 
Work experience /Academic appointments
1. 1984/04~1985/03 Ehime University Faculty of Education
2. 1985/04~1989/03 Ehime University Faculty of Education
3. 1989/04~1992/05 Ehime University Faculty of Education
4. 1992/06~2020/03 Ehime University Faculty of Education
Membership of Professional Organizations
1. 2007/04~ The History of Mathematics Society of Japan
2. 2001/04~ Japan Society of Mathematical Education
3. 1979/04~ The Mathematical Society of Japan
4. 2009/04~ Japan Origami Academic Society
Publications
1. 2023/10 Article The Coordinate System Defined by Inversive Distances and Steiner Chains (Single) 
2. 2023/09 Article Examples of solving problems by Hirata's arithmetic "Sanpen coordinate method" without using an inversion diagram (Collaboration) 
3. 2023/08 Article Foundations of Inversive Coordinates of Circles (1) (Single) 
4. 2023/02 Article Application of the Coordinate System Defined by Inversive Distances to the Wasan Problem "Suginarizan" (Single) 
5. 2022/04 Article On a Coordinate System Defined by Inversive Distance (Single) 
Display all(21)