Komatsu Keiichi 小松啓一

… Alternative Names

小松啓一コマツケイイチ

KOMATSU Keiichi 小松啓一

Less

Researcher Number	80092550
Other IDs
External Links
Affiliation (Current)	2025: 早稲田大学, 理工学術院, 名誉教授
Affiliation (based on the past Project Information) *help	2012 – 2015: 早稲田大学, 理工学術院, 教授 2004 – 2009: 早稲田大学, 理工学術院, 教授 2007: 早稲田大学, 理工学部, 教授 1997 – 2003: 早稲田大学, 理工学部, 教授 1995: 東京農工大学, 工学部, 教授 … More 1993 – 1994: 東京農工大学, 農学部, 助教授 1989 – 1991: 東京農工大学, 農学部, 助教授 1986 – 1987: 東京農工大学, 農学部, 助教授 Less
Review Section/Research Field	Principal Investigator Algebra / Algebra / 代数学・幾何学 Except Principal Investigator Algebra / Algebra / 解析学 / Geometry / 代数学・幾何学
Keywords	Principal Investigator ray class field / Jacobian variety / Siegel modular function / unit / 単数 / 単数群 / Minkowski units / 類数 / 正規底 / λ-invariant … More / abelian variety / theta function / 虚数乗法 / ラムダ不変量 / アーベル多様体 / elliptic curve / Birch-Swinnerton-Dyer conjecture / abelian extension / Kroneckerの極限公式 / L-関数 / Siegel modular関数 / 楕円曲線 / Birch-Swinnerton-Dyer予想 / アーベル拡大 / normal bases / a Jacobian variety / a Siegel modula function / a ray class field / Z_P-拡大 / Greenberg予想 / ヤコーヒー多様体 / 志村の相互法則 / ヤコービ多様体 / ray class Field / Minkowshi units / 志村のアーベル多様体 / Z_l-拡大 / Z_p-拡大 / 岩澤理論 / 類体 / Hilhert modular function / CM体 / 虚ア-ペル体 / elliptic modular function / Zp-拡大 / 虚2次体 / pーrank / Zpー拡大 / 分岐指数 / pーsylow部分群 / Kー群 / zetaー関数 / 代数体 … More Except Principal Investigator ガロア群 / 巡回多項式 / ガウス周期 / ヤコビ多様体 / 代数曲線 / ガロアの逆問題 / ガロア理論 / アーベル多様体 / 保型形式 / リー群 / ペロン・フロベニウス固有値 / カルタン行列 / ブロック / モジュラー表現 / 表現 / 有限群 / 超越数 / Gaussian Periods / Meta abelian Group / Cyclic Polynomial / Noether's Problem / Generic Polynomial / Inverse Galois Problems / Galois Group / Galois Theory / Generic Polynomials / Stable derivarion algebra / Abelian surface / Modular forms / Z_p extension / Inverse Galois problem / Generic polynomials / Galois theory / メタアーベル群 / ネーターの問題 / 生成的多項式 / ガロア逆問題 / cycle extension / period equation / Galois group / Lehmer project / cyclic polynomial / Gaussian period / Inverse Galois Problem / abelian equations / Kummer拡大 / ガウス和 / ヤコビ和 / cyclotomic numbers / アーベル方程式 / 巡回方程式 / 巡回拡大 / 周期方程式 / Lehmerプロジェクト / アーベール方程式 / Q-curves / algebraic curvers / abelian varieties / modular forms / jacobian variety / Taniyama-Simura Conjecture / modular curves / elliptic curves / テータ級数 / Q-曲線 / アーベル曲面 / modularity / Q-curve / モジュラー形式 / 谷山-志村予想 / モジュラー曲線 / 楕円曲線 / ライトヒルの方法 / PLK法 / 初期値問題 / 不変式 / 生成多項式 / 有理関数体 / クレモナ変換群 / ネーター問題 / ベクトル値保型形式 / 球関数 / Langlands予想 / 志村対応 / Harder予想 / モジュライ / 超特異 / 特殊関数 / 微分作用素 / 次元公式 / L関数 / ヤコービ形式 / 半整数ウェイト / ラングランズ予想 / テータ関数 / 超特異アーベル多様体 / ホロノミー系 / ジーゲル保型形式 / セルバーグ跡公式 / 2次形式 / 跡公式 / ゼータ関数 / 整数論 / 等長変換群 / 円 / ラプラシアン / 分岐重複度 / 分岐定理 / ポントリャ-ギン輪体 / 安定性 / 極小部分多様体 / ブラウア-予想 / ディフェクト群 / 巾零指数 / 根基 / 巡回拡大のK群 / スワン導手 / ブロックのカルタン行列 / グリ-ン関数 / クンマ-関数 / フ-リエ変換 / 無限次元リ-環 / 局所パラメ-タ / 形式群 / ゼ-タ関数 Less

On Weber's class number one problemPrincipal Investigator
- Principal Investigator
  
  Komatsu Keiichi
- Project Period (FY)
  2012 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Waseda University
Noether's Problem for Cremona Groups over algebraic number fields and its application to Number theory
- Principal Investigator
  
  HASHIMOTO Kiichiro
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Waseda University
Explicit Study of Automorphic Forms of Several Variables and Algebraic and Geometric Invariants
- Principal Investigator
  
  IBUKIYAMA Tomoyoshi
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
Special values of Siegel modular functions and Jacobian varietyPrincipal Investigator
- Principal Investigator
  
  KOMATSU Keiichi
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Waseda University
Construction of Generic Polynomials in Galois Theory and application to Number Theory
- Principal Investigator
  
  HASHIMOTO Kiichiro
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Waseda University
Units groups generated by special values of Siegel modular functionsPrincipal Investigator
- Principal Investigator
  
  KOMATSU Keiichi
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Waseda University
Construction of abelian equations and study of Gaussian sums
- Principal Investigator
  
  HASHIMOTO Kiichiro
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Waseda University
Construction of normal bases by special values of modular functionsPrincipal Investigator
- Principal Investigator
  
  KOMATSU Keiichi
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Waseda University
Research on the arithmetic of algebraic curves and jacobian varieties
- Principal Investigator
  
  HASHIMOTO Kiichiro
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Waseda University
代数体のZ^<LP>_p-拡大の正規底のmodular unitsによる構成Principal Investigator
- Principal Investigator
  
  小松啓一
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tokyo University of Agriculture and Technology
リー群内極小部分多様体の安定性について
- Principal Investigator
  
  間下克哉
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo University of Agriculture and Technology
有限群のカルタン行列とその固有値
- Principal Investigator
  
  和田倶幸
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tokyo University of Agriculture and Technology
リー群と調和写像
- Principal Investigator
  
  間下克哉
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo University of Agriculture and Technology
有限群のカルタン行列の固有値
- Principal Investigator
  
  和田倶幸
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tokyo University of Agriculture and Technology
解析関数の値の超越性について
- Principal Investigator
  
  若林功
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Tokyo University of Agriculture and Technology
代数体のZpー拡大とKー理論についてPrincipal Investigator
- Principal Investigator
  
  小松啓一
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tokyo University of Agriculture and Technology
代数多様体の数論的性質について
- Principal Investigator
  
  前田博信
- Project Period (FY)
  1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tokyo University of Agriculture and Technology
解析関数の特殊値に対する超越数論
- Principal Investigator
  
  若林功
- Project Period (FY)
  1987
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Tokyo University of Agriculture and Technology
パラメータをふくむ非線形方程式の初期値問題の仮定の改良
- Principal Investigator
  
  高橋けん一
- Project Period (FY)
  1986
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Tokyo University of Agriculture and Technology

All 2016 2014 2012 2010 2008 2007 2006 2005 2004

All Journal Article Presentation

[Journal Article] On the Iwasawa λ-invariant of the cyclotomic Z_2-extension of Q(√p), III2016
- Author(s)
  T. Fukuda, K. Komatsu, M. Ozaki, T. Tsuji
- Journal Title
  
  Functiones et Approximatio Commentarii Mathematici
  
  Volume: vol.54 No.1 Pages: 7-17
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540030
[Journal Article] On the Iwasawa λ-invariant of the cyclotomic Z_2-extension of Q(√p) II2014
- Author(s)
  Takashi Fukuda and Keiichi Komatsu
- Journal Title
  
  Functiones et Approximatio Commentarii Mathematici
  
  Volume: 51-1 Issue: 1
- DOI
  10.7169/facm/2014.51.1.9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540030
[Journal Article] Onλ-invariants of Z I-extensions over Real Abelian Number Fields of Prime Power Conductors2012
- Author(s)
  T. Fukuda, K. Komatsu andT. Morisawa
- Journal Title
  
  Funct. Approx. Comment. Math.
  
  Volume: 47.1 Issue: 1 Pages: 95-104
- DOI
  10.7169/facm/2012.47.1.8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10J00057, KAKENHI-PROJECT-24540030
[Journal Article] Weber's Class Number Problem in the Cyclotomic Z_2-Extension of QII2010
- Author(s)
  Takashi Fukuda, Keiichi Komatsu
- Journal Title
  
  Journal de Theorie des Nombres de Bordeaux 22
  
  Pages: 359-368
- Data Source
  KAKENHI-PROJECT-19340011
[Journal Article] Weber's Class Number Problem in the Cyclotomic Z_2-Extension of Q2010
- Author(s)
  Takashi Fukuda, Keiichi Komatsu
- Journal Title
  
  Experimental Math. 18-2
  
  Pages: 213-222
- Data Source
  KAKENHI-PROJECT-19340011
[Journal Article] On the lwasawa Iambda-invariant of the cyclotomic Z_2-extension of Q (sqrt{p})2008
- Author(s)
  Takashi Fukuda, Keiichi Komatsu
- Journal Title
  
  Math.Comp. 77(印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340011
[Journal Article] On the Iwasawa lambda-invariant of the cyclotomic Z_2-extension of Q(\sqrt{p})2008
- Author(s)
  Takashi Fukuda, Keiichi Komatsu
- Journal Title
  
  Math. Comp. 77
- Data Source
  KAKENHI-PROJECT-19340011
[Journal Article] On the group of modular units and the ideal class group2007
- Author(s)
  T. Itoh and K. Komatsu
- Journal Title
  
  J.Number Theory Vol.123
  
  Pages: 193-203
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17204002
[Journal Article] Iwasawa lamda-invariants and Mordell-Weil ranks of abelian varieties with complex multiplication2007
- Author(s)
  T. Fukuda, K. Komatsu and. Yamagata
- Journal Title
  
  Acta Arith. Vol.127
  
  Pages: 193-203
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17204002
[Journal Article] Iwasawa lamda-invariants and Mordell-Weil ranks of abelian varieties with complex multiplication,2007
- Author(s)
  T. Fukuda, K. Komatsu and S. Yamagata,
- Journal Title
  
  Acta Arithmetica 127
  
  Pages: 305-307
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17204002
[Journal Article] lwasawa lambda-invariants and Mordell-Weil rank of Jacobian varieties with complex multiplication2007
- Author(s)
  Takashi Fukuda, Keiichi Komatsu, Shuji Yamagata
- Journal Title
  
  Acta Arithmetica 127
  
  Pages: 305-307
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340011
[Journal Article] Iwasawa lambda-invariants and Mordell-Weil rank of Jacobian varieties with complex multiplication2007
- Author(s)
  Takashi Fukuda, Keiichi Komatsu, Shuji Yamagata
- Journal Title
  
  Acta Arithmetica 127
  
  Pages: 305-307
- Data Source
  KAKENHI-PROJECT-19340011
[Journal Article] Prime divisors of special values of theta functions in the ray class field of a certain quartic field modulo n-th power of 22006
- Author(s)
  T.Fukuda, N.Kanayama, K.Komatsu
- Journal Title
  
  Mathematical Proceedings of the Cambridge Philosophical Society 141・1
  
  Pages: 1-13
- Data Source
  KAKENHI-PROJECT-17204002
[Journal Article] Prime divisors of special values of theta functions in the ray class field of a certain quartic field module 2m2006
- Author(s)
  T.Fukuda, N.Kanayama, K.Komatsu
- Journal Title
  
  Math, Proc, Camb.Phil.Soc. 141
  
  Pages: 1-13
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540046
[Journal Article] Prime divisors of special values of theta functions in the ray class field of a certain quartic field modulo2^m2006
- Author(s)
  T.Fukuda, N.Kanayama, K.Komatsu
- Journal Title
  
  Mathematical Proceedings of the Cambridge Philosophical Society 141・1
  
  Pages: 1-13
- Data Source
  KAKENHI-PROJECT-16540046
[Journal Article] Prime divisors of special values of theta functions in the ray class field of a certain guartic field modulo 2^m2006
- Author(s)
  T.Fukuda, N.Kanayama, K.Komatsu
- Journal Title
  
  Math.Proc. Camb.Phil. Soc. 141・1
  
  Pages: 1-13
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540046
[Journal Article] Prime divisors of special values of theta functions in the ray class field of a certain quartic field modulo n-th power of a 22006
- Author(s)
  T. Fukuda, N. Kanayama and K. Komatsu
- Journal Title
  
  Math. Proc. Camb. Phil. Soc. 141
  
  Pages: 1-13
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17204002
[Journal Article] On Iwasawa lamda-invariant of cyclotomic Z2-extension of a real quadratic field2005
- Author(s)
  Takashi Fukuda, Keiichi Komatsu
- Journal Title
  
  Tokyo J.Math. 28-1
  
  Pages: 259-264
- Data Source
  KAKENHI-PROJECT-15340015
[Journal Article] On the Iwasawa λ-invariant of cyclotomic II2-extension of a real qadratic field2005
- Author(s)
  T.Fukuda K.Komatsu
- Journal Title
  
  Tokyo J, Math. 28
  
  Pages: 259-264
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540046
[Journal Article] On the Iwasawa λ-invariant of cyclotomic Z_z-extension of a real quadratic field2005
- Author(s)
  T.Fukuda, K.Komatsu
- Journal Title
  
  Tokyo J.Math. 28,1
  
  Pages: 259-264
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540046
[Journal Article] On the Iwasawa lamda invariant of cyclotomic Z2-extension of a real quadratic field2005
- Author(s)
  T.Fukuda, K.Komatsu
- Journal Title
  
  Tokyo Journal of Mathematics 28巻1号
  
  Pages: 259-264
- Data Source
  KAKENHI-PROJECT-17204002
[Journal Article] On the Iwasawa $lambda$-invariant of the cyclotomic $Z_2$-extension of a real quadratic field2005
- Author(s)
  T.Fukuda, K.Komatsu
- Journal Title
  
  Tokyo J.Math. 28
  
  Pages: 259-264
- Data Source
  KAKENHI-PROJECT-16540046
[Journal Article] On the Iwasawa Lamda-invariant of the cyclotomic Z2-extension2005
- Author(s)
  T. Fukuda and K. Komatsu
- Journal Title
  
  Tokyo J. Math vol.128
  
  Pages: 259-264
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17204002
[Journal Article] Z_p-extensions associated to elliptic curves with complex multiplication2004
- Author(s)
  T.Fukuda, K.Komatsu
- Journal Title
  
  Math. Proc. Camb. Phil. Soc. 137
  
  Pages: 541-550
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540046
[Journal Article] Z p-extensions associated to elliptic curves with complex multiplication2004
- Author(s)
  Takashi Fukuda, Keiichi Komatsu
- Journal Title
  
  Math.Proc.Camb.Phil.Soc. 137
  
  Pages: 541-550
- Data Source
  KAKENHI-PROJECT-16540046
[Journal Article] ZLP-extensions associated to elliptic curves with complex multiplication2004
- Author(s)
  T.Fukuda K.Komatsu
- Journal Title
  
  Math-Proc.Camb, Phil.Soc. 137
  
  Pages: 541-550
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540046
[Journal Article] Zp-extension associated to elliptic curves with complex multiplication2004
- Author(s)
  Takashi, Fukuda, Keiichi Komatsu
- Journal Title
  
  Math.Proc.Camb.Phil.Soc. 137
- Data Source
  KAKENHI-PROJECT-15340015
[Presentation] Weber's class number one problem2012
- Author(s)
  T. Fukuda, K. Komatsu and T. Morisawa
- Organizer
  Iwasawa2012
- Place of Presentation
  ドイツ、Heidelberg大学
- Invited
- Data Source
  KAKENHI-PROJECT-24540030
[Presentation] 導手2巾の実アーベル体の類数問題(Weberの問題)2008
- Author(s)
  Takashi Fukuda, Keiichi Komatsu
- Organizer
  早稲田大学整数論研究集会
- Place of Presentation
  早稲田大学
- Year and Date
  2008-03-12
- Data Source
  KAKENHI-PROJECT-19340011
[Presentation] Weber の類数問題について2008
- Author(s)
  小松啓一、福田隆
- Organizer
  日本数学会
- Place of Presentation
  日東京工業大学
- Year and Date
  2008-09-26
- Data Source
  KAKENHI-PROJECT-17204002
[Presentation] ウェーバーの類数問題に対する計算的アプローチ2007
- Author(s)
  Takashi Fukuda, Keiichi Komatsu
- Organizer
  研究集会「代数学と計算」
- Place of Presentation
  首都大学東京
- Year and Date
  2007-12-07
- Data Source
  KAKENHI-PROJECT-19340011

1. 和田倶幸 (30134795)

# of Collaborated Projects: 10 results

# of Collaborated Products: 0 results
2. 横手一郎 (60021888)

# of Collaborated Projects: 10 results

# of Collaborated Products: 0 results
3. 間下克哉 (50157187)

# of Collaborated Projects: 9 results

# of Collaborated Products: 0 results
4. HASHIMOTO Kiichiro (90143370)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
5. 前田博信 (50173711)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
6. 田代俶章 (00014928)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
7. 若林功 (50087003)

# of Collaborated Projects: 6 results

# of Collaborated Products: 0 results
8. TSUNOGAI Hiroshi (20267412)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
9. UMEGAKI Atsuki (60329109)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. MURAKAMI Jun (90157751)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
11. MIYAKE Katsuya (20023632)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. KIDA Masanari (20272057)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
13. ADACHI Norio (60063731)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
14. IBUKIYAMA Tomoyoshi (60011722)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. SAITO Kyoji (20012445)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. BANNAI Eiichi (10011652)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. WATANEBE Takao (30201198)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. NAGATOMO Kiyokazu (90172543)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. ODA Takayuki (10109415)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. NAGAOKA Shoyu (20164402)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. SUGANO Takashi (30183841)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. IKEDA Tamotsu (20211716)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. FURUSAWA Masaaki (50294525)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. KATSURADA Hidenori (80133792)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. HASEGAWA Yuji (30287982)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. KAGAWA Takaaki (90298175)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. OZAKI Manabu (80287961)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. FUKUDA Takashi (00181272)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
29. 高橋けん一 (10014987)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Komatsu Keiichi 小松 啓一

小松 啓一 コマツ ケイイチ

KOMATSU Keiichi 小松 啓一

Research Projects

Research Products

Co-Researchers

On Weber's class number one problemPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Special values of Siegel modular functions and Jacobian varietyPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Units groups generated by special values of Siegel modular functionsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Construction of normal bases by special values of modular functionsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

代数体のZ^<LP>_p-拡大の正規底のmodular unitsによる構成Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Komatsu Keiichi 小松啓一

小松啓一コマツケイイチ

KOMATSU Keiichi 小松啓一