NAITO Hirotada

J-GLOBAL         Last updated: Jun 21, 2018 at 10:43
NAITO Hirotada
Kagawa University
Faculty of Education, Education in Mathematics
Job title
理学修士(The University of Tokyo), 博士(数理科学)(The University of Tokyo), Master of Science (Univ. of Tokyo, 1981.3.) Doctor of Mathematical Science (Univ. of Tokyo, 1994.2.)(University of Tokyo)

Research Interests


Research Areas


Academic & Professional Experience

- Faculty of Education, Kagawa Univ., Professor


数学, Graduate School, Division of Science, The University of Tokyo
数学科, Faculty of Science, The University of Tokyo


On the ideal class groups of totally imaginary quadratic extensions, J.of Faculty Science Univ. of Tokyo 32(1985)205-211.
NAITO Hirotada
J. Fac. Sci. Unv. Tokyo   32 205-211   1985
Some results on class numbers and unramified extensios of algebraic number fields
NAITO Hirotada
Proc. International Conference on class numbers and fundamental units of algebraic number fields   171-188   1986
Dihedral extensions of degree 8 over the rational p-adic fields
NAITO Hirotada
Proc. Japan Acad.   71 17-18   1995
Indivisibility of class numbers of totally imaginary quadratic extensions and their Iwasawa invariants
NAITO Hirotada
J. of Math. Soc. of Japan   43 185-194   1991
Local fields generated by 3-division points of elliptic curves
NAITO Hirotada
Proc.Japan Acad.   78 173-178   2002

Books etc

Introduction to Mathematics for Chemistry
化学同人   2010   ISBN:978-4-7598-1293-0

Conference Activities & Talks

On the 2-part of ideal class groups of quadratic fields
Workshop on Number Theory in Saga 2011   2011   
Divisibility of class numbers
代数的整数論研究集会   2017   
Central extensions and embedding problems
第14回北陸数論研究集会   2016   
On ideal class groups of algebraivc number fields
第14回北陸数論研究集会   2015   
On ideal class groups of cyclic extensions
大分整数論研究集会   2015   

Research Grants & Projects

Number Theory(Algebraic Number Fields, ideal class groups, local fields, elliptic curves)
Project Year: 1985   
Structure of Ideal Class Group of Algebraic Number Fields
Project Year: 1980 - 2010
Arithmetic of Elliptic Curves
Project Year: 1983 - 2015
Reciprocity law in local fields
Project Year: 1996 - 2010
Project Year: 1980 - 2010