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OKUMURA Masafumi
奥村 正文
Connect your ORCID iD
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Researcher Number
60016053
Affiliation (based on the past Project Information)
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1986 – 2001: 埼玉大学, 理学部, 教授
2000: Saitama University, Dept. of Math., Professor
1994: 埼玉大学, 教授
1991: 埼玉大学, 理学部数学, 教授
Review Section/Research Field
Principal Investigator
Geometry
/
代数学・幾何学
Except Principal Investigator
Geometry
/
解析学
/
代数学・幾何学
/
Algebra
Keywords
Principal Investigator
First normal space / minimal hypersurface / Kodaira dimension / 複数射影空間 / 実部分多様体 / 葉層構造 / 特性類 / 正規曲面 / 有理突点曲線 / MHD-作用素
…
More
Except Principal Investigator
…
More
特異点 / 代数曲面 / 葉層構造 / ディラック作用素 / 平面曲線 / スピン構造 / 断熱極限 / Schouten bracket / generalized divergence / Dirac operator / Spin / 複素射影空間 / 射影空間 / 指数定理 / 擬微分作用素 / ゼータ関数 / エータ不変量 / Bellman方程式 / 巡回被覆 / Poisson manifold / contact structure / Poisson cohomology / symplectic foliation / leaf invariant / スピン / トウィスター / twistor / Concircular scalar field / Leibniz algebra / Leibniz cohomology / 数論的不連続群 / 数論的代数曲面 / ヤコビ形式 / ドラ-ムの定理 / 線型MHD作用素 / 代数多様体 / K3曲面 / 二次特性類 / Shape Operator / L^2コホモロジ- / ガウス・ボンネ作用素 / 指数 / 概均質(prehomogeneouo) / 超局所(microlral) / 複素スピン構造 / 四元数スピン構造 / 偏微分方程式の局所可解性 / 特異性の伝播 / 射影空間の超曲面 / モジュライ / 付値 / Dirac作用素 / Spin^q構造 / twistor構造 / シンプレクティック構造 / quarternionic symplectic / twistor space / η-invariant / addiabatic limit / spin^q structure / トウィスター構造 / スカラー曲率 / 増大度 / Symplectic characteristic / 解析的準楕円性 / 局所可解性 / CR多様体 / 最適制御問題 / 粘性解 / ケーラー多様体 / 無限小特殊共円変換 / 球面に等長 / 等質な超曲面 / 構造ベクトル場 / ジュヴレー準楕円型微分作用素 / ジュヴレー級関数 / 磁気流体 / 線形化MHD作用素 / 体質的スペクトル / 有限要素法 / 磁気面 / 部分多様体 / サイクリックコホモロジー / ルールド構造 / ロボット / フィードバック / 固有値問題 / コントロール / 双曲型偏微分方程式 / ベッチ数 / モジュラー群 / 多様体 / 葉層 / 4元数 / 量子束 / 概接触構造 / cyclic covering / Betti number / algebraic surface / singularities / projective space / modular group / monifold / foliation / 概均質ベクトル空間 / b関数 / デジタル署名 / ミルナ-数 / セキュリティー / CR部分多様体 / ベルアン方程式 / Zeta function / Prehomogenous / singularity / 総ミルナー数 / 有理曲線 / 尖点 / クレモナ変換 / 2次変換 / 重複度列 / 環と体 / 有理関数 / 特異点解消 / 重複度 / 変形 / 有理尖点曲線 / plane curve / rational curve / cuspidal curve / multiplicity sequence / quadratic transformation / place at infinity / projective equivalence / maximal multiplicity / Hirsch foliation / Dirac manifold / 指数作用素 / サイバーグ・ウィッテン / 解析的トーション / adiabatic limit / signature operator / eta invariant / Seiberg-Witten / analytic torsion / 極小曲面 / Simon予想 / Willmore曲面 / 法曲率テンソル / 変分問題 / 楕円関数 / 曲率 / ガウス曲率 / Minimal surface / Simon conjecture / Willmore surface / normal curvature tensor / Variational problem / Nambu-Possin多様体 / 中心拡大 / 特異葉層構造 / パフ系 / Nambu-Poisson多様体 / ポアソン多様体 / ヤコビ多様体 / Nambu-Jacobi多様体 / Fundamental Identity / 南部多様体 / ポアソン・ブラケット / 南部・ヤコビブラケット / Nambu-Poisson manifold / central extension / singular foilation / Pfaff system / カイラルアノマリー / 四元数 / chiral anomaly
Less
Research Projects
(
24
results)
Co-Researchers
(
24
People)
Project Start Year (Newest)
Project Start Year (Oldest)
Global Research of Geometry related with Poisson and Contact Manifolds.
Principal Investigator
MIZUTANI Tadayoshi
Project Period (FY)
1999 – 2001
Research Category
Grant-in-Aid for Scientific Research (C)
Research Field
Geometry
Research Institution
Saitama University
Spin^q structures and the adiabatic limit
Principal Investigator
NAGASE Masayoshi
Project Period (FY)
1999 – 2001
Research Category
Grant-in-Aid for Scientific Research (C)
Research Field
Geometry
Research Institution
Saitama University
Studies on minimal surfaces and Simon conjecture
Principal Investigator
SAKAMOTO Kunio
Project Period (FY)
1998 – 2000
Research Category
Grant-in-Aid for Scientific Research (C)
Research Field
Geometry
Research Institution
Saitama University
Algebraic Geometry of Plane Curves
Principal Investigator
SAKAI Fumio
Project Period (FY)
1997 – 2000
Research Category
Grant-in-Aid for Scientific Research (B).
Research Field
Algebra
Research Institution
Saitama University
Research on Poisson manifolds and related structures on manifolds.
Principal Investigator
MIZUTANI Tadayoshi
Project Period (FY)
1997 – 1998
Research Category
Grant-in-Aid for Scientific Research (C)
Research Field
Geometry
Research Institution
Saitama University
Research on the global structure of manifold
Principal Investigator
NAGASE Masayoshi
Project Period (FY)
1997 – 1998
Research Category
Grant-in-Aid for Scientific Research (C)
Research Field
Geometry
Research Institution
Saitama University
多様体の大域幾何の研究
Principal Investigator
長瀬 正義
Project Period (FY)
1996
Research Category
Grant-in-Aid for Scientific Research (C)
Research Field
Geometry
Research Institution
Saitama University
偏微分方程式の局所および大域解析
Principal Investigator
櫻井 力
Project Period (FY)
1996
Research Category
Grant-in-Aid for Scientific Research (C)
Research Field
解析学
Research Institution
Saitama University
The study of the pole of the zeta function.
Principal Investigator
YANO Tamaki
Project Period (FY)
1996 – 1997
Research Category
Grant-in-Aid for Scientific Research (C)
Research Field
解析学
Research Institution
Saitama University
多様体における種々の大域的構造の研究
Principal Investigator
水谷 忠良
Project Period (FY)
1995
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
Geometry
Research Institution
Saitama University
On Birational Geometry of Algebraic Varieties
Principal Investigator
SAKAI Fumio
Project Period (FY)
1995 – 1996
Research Category
Grant-in-Aid for Scientific Research (B)
Research Field
Algebra
Research Institution
Saitama University
代数多様体の分類
Principal Investigator
酒井 文雄
Project Period (FY)
1994
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
Algebra
Research Institution
Saitama University
多様体の大域的構造の研究
Principal Investigator
長瀬 正義
Project Period (FY)
1994
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
Geometry
Research Institution
Saitama University
多様体の総合的研究
Principal Investigator
Principal Investigator
奥村 正文
Project Period (FY)
1993
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
Geometry
Research Institution
Saitama University
多様体の大域的構造の研究
Principal Investigator
長瀬 正義
Project Period (FY)
1992
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
代数学・幾何学
Research Institution
Saitama University
偏微分方程式の解の構造の研究
Principal Investigator
SAKURAI Tsutomu
Project Period (FY)
1992
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
解析学
Research Institution
Saitama University
多様体の幾何学的構造の研究
Principal Investigator
水谷 忠良
Project Period (FY)
1991
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
代数学・幾何学
Research Institution
Saitama University
概均質空間の構造の研究とその応用
Principal Investigator
矢野 環
Project Period (FY)
1991
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
解析学
Research Institution
Saitama University
代数多様体の構造
Principal Investigator
SAKAI Fumio
Project Period (FY)
1990
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
代数学・幾何学
Research Institution
Saitama University
数論的不連続群の研究
Principal Investigator
TAKEUCHI Kisao
Project Period (FY)
1989
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
代数学・幾何学
Research Institution
Saitama University
多様体の総合的研究
Principal Investigator
Principal Investigator
奥村 正文
Project Period (FY)
1988
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
代数学・幾何学
Research Institution
Saitama University
システム理論の数学的研究
Principal Investigator
辻岡 邦夫
Project Period (FY)
1988
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
解析学
Research Institution
Saitama University
微分方程式の解の構造の研究とその応用
Principal Investigator
加古 孝
Project Period (FY)
1987
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
解析学
Research Institution
Saitama University
表現論の総合的研究
Principal Investigator
宮崎 功
Project Period (FY)
1986
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
解析学
Research Institution
Saitama University
# of Projects (Dsc)
# of Projects (Asc)
1.
NAGASE Masayoshi
(30175509)
# of Collaborated Projects:
16 results
# of Collaborated Products:
0 results
2.
MIZUTANI Tadayoshi
(20080492)
# of Collaborated Projects:
14 results
# of Collaborated Products:
0 results
3.
SAKAI Fumio
(40036596)
# of Collaborated Projects:
13 results
# of Collaborated Products:
0 results
4.
TAKEUCHI Kisao
(00011560)
# of Collaborated Projects:
10 results
# of Collaborated Products:
0 results
5.
辻岡 邦夫
(30012412)
# of Collaborated Projects:
6 results
# of Collaborated Products:
0 results
6.
YANO Tamaki
(10111410)
# of Collaborated Projects:
6 results
# of Collaborated Products:
0 results
7.
木村 真琴
(30186332)
# of Collaborated Projects:
6 results
# of Collaborated Products:
0 results
8.
SAKAMOTO Kunio
(70089829)
# of Collaborated Projects:
6 results
# of Collaborated Products:
0 results
9.
FUKUI Toshizumi
(90218892)
# of Collaborated Projects:
5 results
# of Collaborated Products:
0 results
10.
SATOH Takakazu
(70215797)
# of Collaborated Projects:
4 results
# of Collaborated Products:
0 results
11.
加古 孝
(30012488)
# of Collaborated Projects:
4 results
# of Collaborated Products:
0 results
12.
金銅 誠之
(50186847)
# of Collaborated Projects:
4 results
# of Collaborated Products:
0 results
13.
KOIKE Shigeaki
(90205295)
# of Collaborated Projects:
4 results
# of Collaborated Products:
0 results
14.
SAKURAI Tsutomu
(40187084)
# of Collaborated Projects:
4 results
# of Collaborated Products:
0 results
15.
佐藤 祐吉
(80008812)
# of Collaborated Projects:
4 results
# of Collaborated Products:
0 results
16.
EGASHIRA Shinji
(00261876)
# of Collaborated Projects:
4 results
# of Collaborated Products:
0 results
17.
西宮 範
(50008794)
# of Collaborated Projects:
2 results
# of Collaborated Products:
0 results
18.
柴田 勝征
(50028213)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
19.
柳井 久江
(10008865)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
20.
宮崎 功
(80008797)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
21.
夏目 利一
(00125890)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
22.
EBIHARA Madoka
(80213578)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
23.
GON Yasuro
(30302508)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
24.
ARAI Michio
(40008850)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
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