OSHIKIRI Genーichi 押切源一

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押切源一オシキリゲンイチ

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Researcher Number	70133931
Other IDs
Affiliation (based on the past Project Information) *help	1996 – 2010: 岩手大学, 教育学部, 教授 1995: 東北大学, 大学院・理学研究科, 助教授 1988 – 1991: 東北大学, 教養部, 助教授
Review Section/Research Field	Principal Investigator Geometry / Geometry Except Principal Investigator 代数学・幾何学 / Algebra / Algebra / Science education / General mathematics (including Probability theory/Statistical mathematics)
Keywords	Principal Investigator 有向グラフ / 許容関数 / 平均曲率ベクトル場 / Minimal foliation / Foliation / コンパクト葉 / リーマン葉層 / 極小葉層 / 平均曲率関数 / 葉層構造 … More / 余次元1葉層 / Waring problem / Cone structures for plane fields / Stability of mean curvatures / Mean curvature functions / Mean curvature vectors / Cone structures for foliations / Foliations / Waring問題 / 束に付随した錘構造 / 平均曲率の安定性 / 葉層に付随した錘構造 / 余次元1葉層多様体 / admissible function of digraph / Connectivities of graph / (Di-)graph / Cheeger constant / Killing field / Metric foliation / 錐構造 / 錘構造 / 許容ベクトル場 / (有向グラフ上の)許容関数 / グラフの連結性 / (有向)グラフ / チーガー定数 / キリング場 / メトリック葉層 / Minimal graph / Totally geodesic / Constant mean curvature / Mean curvature function / Bundle-like foliation / キリングベクトル場 / 断面曲率正 / ベーシック 1-形式 / 束葉層 / 平均曲率ベクトル / 葉の成長度 / Bernstein問題 / 極小グラフ / 全測地的葉層 / 定平均曲率葉層 / バンドル-ライク葉層 / Stokesの公式 / (+)-部分グラフ / (+)-fcd / tense葉層 / 平均曲率 / 極小部分多様体 / 葉層 … More Except Principal Investigator modular forms / modular forms of half integral weight / ゼータ関数 / モジュラ形式 / 半整数の重さのモジュラ形式 / zeta function / ヤコビ形式 / 平均曲率 / Maass wave form / Jacobi form / 半整数の重さのモジュラー形式 / モジュラー形式 / ゼータ関数の特殊値 / 3乗数 / べき乗数 / 素数 / Waring問題 / Hー変形可能曲面 / 葉層構造 / 等長的変形 / Almost Primes / Prime numbers / Biquadrates / Cubes / Powers of Integers / Goldbach''s problem / Waring''s Problem / 滑らかな数 / Goldbach問題 / 漸近式 / 概素数 / 4乗数 / ゴールドバッハ問題 / ワーリング問題 / ヒルベルトモジュラ形式 / マース空間 / ジーゲルモジュラ形式 / マースの波動形式 / MATHEMATICS / ARITHMETICS / METHODS OF TEACHING / ORGANIATION FOR TEACHING / TEAM-TEACHING / SUPPULEMENTALY STUDY / DEVELOPMENT STUDY / TEACHING IN ACCORDANCE WITH INDIVIDUALITY / 自力学習 / 適性別指導 / 問題解決 / 算数・数学 / 数学 / 算数 / 指導法 / 教授組織 / チームティーチング / 補充的な学習 / 発展的な学習 / 個に応じた指導 / specaial values of zeta function / Jacobi forms / モジュラー形式のフーリエ係数 / Jacobi形式 / ゼータ関数お特殊値 / compact leaf / Riemannian fo / Fourier coefficients of modular forms / critical values of zeta functions / zeta functions / 保型形式 / コンパクト葉 / リーマン葉層 / モジュラ形式のフーリエ係数 / 葉層 / ヤコビ作用素 / 調和写像 / ゲージ理論 / ミルズ場 / ヤング / ラプラス作用素 / 等長変形 / 篩の方法 / 加法的表現 / 例外集合 / 立方数 / 円周法 / 加法的問題 / Waring-Goldbach問題 / 超準的手法 / 逆数学 / 2階算術 / 数学基礎論 / 平均曲率一定超曲面 / シュレ-ディンガ-作用素 / プラス作用素 / 余次元1葉層構造 / 無限小等長変換 / 正規直交標構束 / 微分ピンチング定理 / 定平均曲率葉層 / リ-マン多様体 / 面積最小 / ボンネ変換 / 形式群 / 岩沢不変量 / ホモトピ- / 幾何学的測度論 Less

Research on additive problems concerning powers of primes.
- Principal Investigator
  
  KAWADA Koichi
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Iwate University
Research on density estimates for exceptional sets associated with additive representations of natural numbers
- Principal Investigator
  
  KAWADA Koichi
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Iwate University
Arithmetic study of Fourier coefficients of modular forms of half integral weight and Siegel modular forms
- Principal Investigator
  
  KOJIMA Hisashi
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  SAITAMA UNIVERSITY
The study of relations between the cone structures associated with foliations and their differential geometric properties.Principal Investigator
- Principal Investigator
  
  OSHIKIRI Gen-ichi
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Iwate University
Arithmetic study of Fourier coefficients of modular forms of half integral weight and the special values of zeta functions
- Principal Investigator
  
  KOJIMA Hisashi
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  IWATE UNIVERSITY
The study of relations between topological properties and differential geometric properties of foliated structures.Principal Investigator
- Principal Investigator
  
  OSHIKIRI Gen-ichi
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Iwate University
TEACING PROBLEM- SOLVING IN MATHEMATICS EDUCATION IN ACCORDANCE WITH STUDENT'S APTITUDE : WITH FOCUS ON THE SHIFT FROM QUANTITY TO QUARITY OF SELF STUDY.
- Principal Investigator
  
  NOUDA Nobuhiko
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Science education
- Research Institution
  IWATE UNIVERSITY
Arithmetic study of Fourier coefficients of automorphic forms and modular forms and zeta functions
- Principal Investigator
  
  KOJIMA Hisashi
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Iwate University
Differential Geometric Approach to Foliated Structures.Principal Investigator
- Principal Investigator
  
  OSHIKIRI Gen-ichi
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Iwate University
有向グラフへの大域解析的アプローチPrincipal Investigator
- Principal Investigator
  
  押切源一
- Project Period (FY)
  1997
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Iwate University
The study of arithmetic and analytic property of automorphic forms and zeta function associated with them and numerical analysis
- Principal Investigator
  
  KOJIMA Hisashi
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Iwate University
  The University of Electro-Communications
葉層に付随したグラフの幾何的構造Principal Investigator
- Principal Investigator
  
  押切源一
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Iwate University
葉層の微分幾何学的構造Principal Investigator
- Principal Investigator
  
  押切源一
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tohoku University
算術の部分体系とそのモデルについての研究
- Principal Investigator
  
  田中一之
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Tohoku University
Hー変形可能曲面に関する剛性の研究
- Principal Investigator
  
  剱持勝衛
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tohoku University
極小部分多様体の研究
- Principal Investigator
  
  劔持勝衛
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tohoku University
多様体の構造の研究と整数論への応用
- Principal Investigator
  
  今井秀雄
- Project Period (FY)
  1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tohoku University
場の理論における数学的構造の解明
- Principal Investigator
  
  剱持勝衛
- Project Period (FY)
  1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Institution
  Tohoku University
可微分多様体の研究
- Principal Investigator
  
  高木斉
- Project Period (FY)
  1988
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tohoku University

All 2011 2010 2009 2005 2004

All Journal Article

[Journal Article] On curvatures of k-adapted metrics to contact 3-manifolds.2011
- Author(s)
  G.Oshikiri
- Journal Title
  
  Ann.Rep.Fac.Edu.Iwate Univ.
  
  Volume: 70 Pages: 81-87
- NAID
  40018778719
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] On curvatures of k-adapted metrics to contact 3-manifolds2011
- Author(s)
  Gen-ichi Oshikiri
- Journal Title
  
  Ann.Rep.Fac.Edu.Iwate Univ. vol.70
  
  Pages: 81-87
- NAID
  40018778719
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Some properties on mean curvatures of codimension-one taut foliations2010
- Author(s)
  Gen-ichi Oshikiri
- Journal Title
  
  Ann.Rep.Fac.Edu.Iwate Univ. vol.69
  
  Pages: 103-109
- NAID
  120002028686
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Some properties on mean curvatures of codimension-one taut foliations.2010
- Author(s)
  G.Oshikiri
- Journal Title
  
  岩手大学教育学部研究年報 69
  
  Pages: 103-109
- NAID
  120002028686
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Hamiltonian Property of Claw-free Graphs from the View Point of Topological Combinatorics2009
- Author(s)
  G. Oshikiri
- Journal Title
  
  Ann. Rep. Edu. Iwate Univ 68
  
  Pages: 47-52
- NAID
  120001316246
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Hamiltonian property of claw-free graphs from the viewpoint of topological combinatorics2009
- Author(s)
  Gen-ichi Oshikiri
- Journal Title
  
  Ann.Rep.Fac.Edu.Iwate Univ. vol.68
  
  Pages: 47-52
- NAID
  120001316246
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Some properties of mean curvature vectors for codimension-one Foliations.2005
- Author(s)
  G.Oshikiri
- Journal Title
  
  Illinois J. Math. 49
  
  Pages: 159-166
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] Some properties of mean curvature vectors for codimension-one Foliations2005
- Author(s)
  Gen-ichi Oshikiri
- Journal Title
  
  Illinois Journal of Mathematics 49
  
  Pages: 156-166
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] Some properties of mean curvature vectors for Codimension-one foliations2005
- Author(s)
  Gen-ichi Oshikiri
- Journal Title
  
  Illinois J. Math. 49
  
  Pages: 159-166
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] Some properties of mean curvature vectors for codimension-one Folistions.2005
- Author(s)
  G.Oshikiri
- Journal Title
  
  Illinois J.Math. 49
  
  Pages: 156-166
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] Some properties of mean curvature vectors for codimension-one Foliations.2005
- Author(s)
  G.Oshikiri
- Journal Title
  
  Illinois J.Math. 49
  
  Pages: 159-166
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] Some properties of mean curvature vectors for codimension-one Foliations.2005
- Author(s)
  G.Oshikiri
- Journal Title
  
  Illinois J.Math. (to appear)
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] A divergence-like characterization of admissible functions on digraphs.2004
- Author(s)
  G.Oshikiri
- Journal Title
  
  Tohoku Math. J. 56
  
  Pages: 147-153
- NAID
  110000952635
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] A divergence-like characterization of admissible functions on digraphs2004
- Author(s)
  G.Oshikiri
- Journal Title
  
  Tohoku Math.J. 56
  
  Pages: 147-153
- NAID
  110000952635
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] A divergence-like characterization of admissible functions on digraphs.2004
- Author(s)
  G.Oshikiri
- Journal Title
  
  Tohoku Math.J. 56
  
  Pages: 147-153
- NAID
  110000952635
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] A divergence-like characterization of admissible functions on Digraphs : A combinatorial proof.2004
- Author(s)
  G.Oshikiri
- Journal Title
  
  Interdisciplinary Information Sciences 10
  
  Pages: 165-167
- NAID
  110001065896
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] A divergence-like characterization of admissible functions on Digraphs : A combinatorial proof2004
- Author(s)
  G.Oshikiri
- Journal Title
  
  Interdisciplinary Inf.Sci. 10
  
  Pages: 165-167
- NAID
  110001065896
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540050

1. KAWADA Koichi (70271830)

# of Collaborated Projects: 10 results

# of Collaborated Products: 0 results
2. KOMIYAMA Haruo (90042762)

# of Collaborated Projects: 10 results

# of Collaborated Products: 0 results
3. MIYAI Akio (70003960)

# of Collaborated Projects: 9 results

# of Collaborated Products: 0 results
4. NUMATA Minoru (50028255)

# of Collaborated Projects: 9 results

# of Collaborated Products: 0 results
5. FUMIO Nakajima (20004484)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
6. KOJIMA Hisashi (90146118)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
7. 剱持勝衛 (60004404)

# of Collaborated Projects: 6 results

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8. 高木斉 (90018581)

# of Collaborated Projects: 5 results

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9. 陶山芳彦 (70028223)

# of Collaborated Projects: 3 results

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10. 中村哲男 (90016147)

# of Collaborated Projects: 3 results

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11. 内田興二 (20004294)

# of Collaborated Projects: 3 results

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12. 高橋豊文 (20004400)

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13. 浦川肇 (50022679)

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14. 尾形庄悦 (90177113)

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15. 今井秀雄 (10093668)

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16. 渡部隆夫 (30201198)

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17. 麻生透 (00111352)

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18. 山上滋 (90175654)

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19. 田中一之 (70188291)

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20. 長澤壮之 (70202223)

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21. 吉野崇 (50005774)

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22. TAYOSHI Takao (60017382)

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23. 吉岡正典 (90272749)

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24. 中村健一 (40293120)

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25. 小藤俊幸 (30234793)

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26. 伊東裕也 (30211056)

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27. IIDA Masato (00242264)

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28. NOUDA Nobuhiko (80020121)

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29. ISODA Masami (70212967)

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30. SIMIZU Sizumi (20115661)

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31. TAKEUCHI Kisao (00011560)

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32. SAKAI Fumio (40036596)

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33. MIZUTANI Tadayoshi (20080492)

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34. SAKAMOTO Kunio (70089829)

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35. KISHIMOTO Takashi (20372576)

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36. 小池茂昭 (90205295)

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OSHIKIRI Genーichi 押切 源一

押切 源一 オシキリ ゲンイチ

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The study of relations between the cone structures associated with foliations and their differential geometric properties.Principal Investigator

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The study of relations between topological properties and differential geometric properties of foliated structures.Principal Investigator

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Differential Geometric Approach to Foliated Structures.Principal Investigator

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有向グラフへの大域解析的アプローチPrincipal Investigator

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葉層に付随したグラフの幾何的構造Principal Investigator

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葉層の微分幾何学的構造Principal Investigator

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OSHIKIRI Genーichi 押切源一

押切源一オシキリゲンイチ