Get started
Author

Humio Ichimura

Observed names: H. Ichimura, HUMIO ICHIMURA, Humio ICHIMURA, Humio, Ichimura, ICHIMURA Humio, ICHIMURA, Humio, Ichimura Humio, Ichimura, Humio
Institution: Ibaraki University
ORCID: 0000-0002-6946-9574
Observed ORCID: 0000-0002-6946-9574
OpenAlex ID: A5042646550
On the Iwasawa Invariants of Certain Real Abelian Fields Ii
1996 · HUMIO ICHIMURA, HIROKI SUMIDA · International Journal of Mathematics · 46
On the Iwasawa invariants of certain real abelian fields
1997 · Humio Ichimura, Hiroki Sumida · Tohoku Mathematical Journal · 31
PDF
On the divisibility problem of the class numbers of algebraic number fields
1984 · Takashi Azuhata, Humio Ichimura · Institutional Repositories DataBase (IRDB) · 17
On the ring of integers of a tame Kummer extension over a number field
2003 · Humio Ichimura · Journal of Pure and Applied Algebra · 15
PDF
Normal integral bases and ray class groups
2004 · Humio Ichimura · Acta Arithmetica · 14
PDF
On the 2-part of the class numbers of cyclotomic fields of prime power conductors
2012 · Humio ICHIMURA, Shoichi NAKAJIMA · Journal of the Mathematical Society of Japan · 13
PDF
On Power Integral Bases of Unramified Cyclic Extensions of Prime Degree
2001 · Humio Ichimura · Journal of Algebra · 12
PDF
Local Units Modulo Gauss Sums
1998 · Humio Ichimura · Journal of Number Theory · 12
PDF
On the 2-part of the ideal class group of the cyclotomic Z p -extension over the rationals
2010 · Humio Ichimura, Shoichi Nakajima · Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg · 11
Note on the class numbers of certain real quadratic fields
2003 · Humio Ichimura · Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg · 11
Note on the ring of integers of a Kummer extension of prime degree. II
2001 · Humio Ichimura · Proceedings of the Japan Academy Series A Mathematical Sciences · 10
On the universal power series for Jacobi sums and the vandiver conjecture
1989 · Humio Ichimura, Masanobu Kaneko · Journal of Number Theory · 10
On a duality of Gras between totally positive and primary cyclotomic units
2016 · Humio Ichimura · Institutional Repositories DataBase (IRDB) · 9
PDF
Stickelberger ideals of conductor p and their application
2006 · Humio ICHIMURA, Hiroki SUMIDA-TAKAHASHI · Journal of the Mathematical Society of Japan · 9
PDF
On a normal integral bases problem over cyclotomic Zp-extensions
1996 · Humio ICHIMURA · Journal of the Mathematical Society of Japan · 9
PDF
The Non-Vanishing of a Certain Kummer Character $\chi_{m}$ (after C. Soulé), and Some Related Topics
2018 · H. Ichimura, K. Sakaguchi · Advanced studies in pure mathematics · 8
Note on the ring of integers of a Kummer extension of prime degree. V
2002 · Humio Ichimura · Proceedings of the Japan Academy Series A Mathematical Sciences · 8
PDF
A note on integral bases of unramified cyclic extensions of prime degree
2000 · Humio Ichimura · Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg · 8
On a Power Integral Bases Problem over Cyclotomic Zp-Extensions
2000 · Humio Ichimura · Journal of Algebra · 8
PDF
A note on Greenberg’s conjecture and the abc conjecture
1998 · Humio Ichimura · Proceedings of the American Mathematical Society · 8
PDF
Semi-local units modulo Gauss sums
1998 · Yoshitaka Hachimori, Humio Ichimura · manuscripta mathematica · 8
On the parity of the class number of the 7nth cyclotomic field
2009 · Humio Ichimura · Mathematica Slovaca · 7
Quadratic function fields whose class numbers are not divisible by three
1999 · Humio Ichimura · Acta Arithmetica · 7
PDF
On the Class Numbers of the Maximal Real Subfields of Cyclotomic Function Fields, II
1998 · Humio Ichimura · Journal of Number Theory · 7
PDF
On the Class Numbers of the Maximal Real Subfields of Cyclotomic Function Fields
1998 · Humio Ichimura · Finite Fields and Their Applications · 7
PDF
Works count: 121
Citation count: 538
H-index: 10
I10-index: 12
Year
Topic
Type