KITAGAWA Yoshihisa 北川義久

… Alternative Names

Researcher Number	20144917
Other IDs
External Links
Affiliation (Current)	2019: 宇都宮大学, 教育学部, 教授
Affiliation (based on the past Project Information) *help	2009 – 2017: Utsunomiya University, 教育学部, 教授 2002 – 2007: Utsunomiya Univ., Dept. of Education, Professor, 教育学部, 教授 1993 – 2001: 宇都宮大学, 教育学部, 助教授 1991: 宇都宮大学, 教育学部, 助教授
Review Section/Research Field	Principal Investigator Geometry / Geometry Except Principal Investigator Basic analysis / Basic analysis / 解析学 / 教科教育 / Algebra / Geometry / Geometry / Global analysis
Keywords	Principal Investigator 平坦トーラス / 部分多様体 / 微分幾何学 / flat torus / 3次元球面 / submanifold / 正則閉曲線 / 平均曲率 / 直径 / 微分幾何 … More Except Principal Investigator 有理型写像 / 除外指数 / 値分布論 / 不定値ケーラー計量 / flat torus / ネヴァンリンナ理論 / Nevanlinna理論 / 平坦トーラス / 岩澤不変量 / 一次系 / 数学教育 / deficiency / Nevanlinna theory / 一意性問題 / 除外因子 / 一意性定理 / MATHEMATICS EDUCATION / Axiom A / shadowing property / 正則曲線 / 曲面 / 曲線 / meromorphic map / 第2主要定理 / 微分幾何学 / 岩澤理論 / 分岐 / indefinite Khaeler metric / デルタ劣調和関数 / 除外値 / 事例研究 / Boolcan Matrix / Borel型恒等式 / 解析的連接イデアル層 / 有理形写像 / HEARING IMPAIRED STUDENT / 事例的研究 / Landau-Schottky型定理 / vector fields / connecting lemma / ４頂点定理 / カオス / delta-subharmonic function / 星函数 / 障害児教育 / 不定値計量 / convex set / スプレッド,リレ-ション / 剰余項 / DEVELOPMENT OF MATERIAL / 特異点 / 算数授業 / Surface / 等長的はめ込み / スカラー曲率 / F.and M.Riesz theorem / indefinite Kaehler metric / bifurcation / 操作的意味 / 数学的コミュニケーション / MATHEMATICAL COMMUNICATION / meromorpphic mapping / 構造安定性 / 旗多様体 / connectin lemma / イデアルの連接層 / 有限性定理 / 教材開発 / scalar curvature / リーマン多様体 / 複素解析幾何学 / ネヴァンリンナ除外値 / indefinite Khaler metric / MATHEMATICAL CONCEPT FORMATION / preorder / Nevanlinna's deficiency / Riemannian manifold / Schwarz の補題 / 射影的代数多様体 / Geometric structure / 数学的概念の形成 / 等長的変形 / 変曲点 / 指数函数 / Submanifold / REPRESENTATIVE CLASS OF LEARNING PROCESS / 不定値ケーラー計算 / 超曲面 / 数学授業 / flat tori / I_p-拡大 / ベクトル場 / 複素関数論 / dynamical systems theory / Curvature / II_p-拡大 / 対数微分の補題 / 波面 / hyper group / pseudo orbits / 代数的従属性 / strong transversality condition / ガウス曲率 / 整函数 / CASE STUDY / 自己双対計量 / algebraic dependence / Lipschitz condition / 双対性 / SELECTIVE PERCEPTION / Croftonの公式 / unicity theorem / 有限位相 / ガウス写像 / Khaeler manifold / ネバンリンナ理論 / 有理型函数 / 擬軌道尾行性 / 4頂点定理 / 平坦とーラス / ガウス・ボンネの定理 / 作品化授業 / 自己双対性 / 幾何構造 / uniqueness problem / 除外関係式 / Curve / isometric deformation / 曲率 / 作品 / 選択的知覚 / ケーラー多様体 / 極大曲面 / 半正定値計量 / 聴覚障害児教育 / Differential Geometry / self duality / 部分多様体 Less

Studies on diameter conjecture on flat tori in the unit spherePrincipal Investigator
- Principal Investigator
  
  Kitagawa Yoshihisa
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Utsunomiya University
Vakue distribution theory of meromorphic mappings
- Principal Investigator
  
  Aihara Yoshihiro
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Fukushima University
Studies on some open problems concerning flat tori in odd dimensional spheresPrincipal Investigator
- Principal Investigator
  
  KITAGAWA Yoshihisa
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Utsunomiya University
Geometry of curves, surfaces and hypersurfaces with singularities
- Principal Investigator
  
  UMEHARA Masaaki
- Project Period (FY)
  2010 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Institute of Technology
  Osaka University
Studies on some open problems concerning flat tori in the unit 3-spherePrincipal Investigator
- Principal Investigator
  
  KITAGAWA Yoshihisa
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Utsunomiya University
Value distribution theory of meromorphic maps, especially on unicity problems and deficiencies on linear systems
- Principal Investigator
  
  AIHARA Yoshihiro
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Fukushima University
Uniqueness problem and deficient divisors of meromorphic mappings
- Principal Investigator
  
  AIHARA Yoshihiro
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Numazu College of Technology
Geometry of the flat tori in the sphere and non- linear wave equationsPrincipal Investigator
- Principal Investigator
  
  KITAGAWA Yoshihisa
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Utsunomiya University
The uniqueness and the degeneracy problems of meromorphic maps and the construction of meromorphic maps with deficient devisors.
- Principal Investigator
  
  ATSUJI Atsushi, 相原義弘
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Keio University
  Numazu College of Technology
Bifurcations of vector fields possessing the shadowing property
- Principal Investigator
  
  SAKAI Kazuhiro
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Global analysis
- Research Institution
  Utsunomiya University
TO SHARPEN THE HEARING IMPAIRED STUDENTS' ABILITY OF SELECTOVE PERCEPTION IN THE MATHEMATICAL COMMUNICATION
- Principal Investigator
  
  EMORI Hideyo
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  教科教育
- Research Institution
  UTSUNOMIYA UNIVERSITY
Geometry of the flat tori in the 3-sphere and its higher dimensional generalizationPrincipal Investigator
- Principal Investigator
  
  KITAGAWA Yoshihisa
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Utsunomiya University
Value distribution thieory of meromorphic mappings, in particular, uniqueness, degeneracy and normal families of meromorphic mappings
- Principal Investigator
  
  AIHARA Yoshihiro
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Numazu College of Technology
DIFFERENTIAL GEOMETRIC RESEARCH ON SUBMANIFOLDS
- Principal Investigator
  
  OGIUE Koichi
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  TOKYO METROPOLITAN UNIVERSITY
Studies on Curvatures of SubmanifoldsPrincipal Investigator
- Principal Investigator
  
  KITAGAWA Yoshihisa
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Utsunomiya University
Case Study of Mathematics Classes toward the Representation of Learning Process.
- Principal Investigator
  
  KIMURA Hiroshi
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  教科教育
- Research Institution
  Utsunomiya University
岩澤理論の研究
- Principal Investigator
  
  藤崎源二郎
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Utsunomiya University
岩澤理論の研究
- Principal Investigator
  
  藤崎源二郎
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Utsunomiya University
フーリエ変換に関連する函数解析学
- Principal Investigator
  
  越昭三
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Utsunomiya University
有理型函数の値分布について
- Principal Investigator
  
  KIMURA Shigeru
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Utsunomiya University

All 2018 2016 2015 2014 2012 2011 2010 2008 2007 2005 2003 Other

All Journal Article Presentation

[Journal Article] Erratum to: Extrinsic diameter of immersed flat tori in S^32014
- Author(s)
  Y.Kitagawa, M.Umehara
- Journal Title
  
  Geometriae Dedicata
  
  Volume: 171
- DOI
  10.1007/s10711-013-9900-z
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540066
[Journal Article] ３次元球面内の平坦トーラスに関する直径予想2012
- Author(s)
  北川義久
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1817
- Data Source
  KAKENHI-PROJECT-24540066
[Journal Article] Extrinsic diameter of immersed flat tori in S^3 Geometriae Dedicata2011
- Author(s)
  北川義久and梅原
- Volume
  155
- Pages
  105-140
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540205
[Journal Article] Extrinsic diameter of immersed flat tori in S^32011
- Author(s)
  Y. Kitagawa and M. Umehara
- Journal Title
  
  Geometriae Dedicata
  
  Volume: 155 Pages: 105-140
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540066
[Journal Article] Extrinsic diameter of immersed flat tori in S^32011
- Author(s)
  Y.Kitagawa, M.Umehara
- Journal Title
  
  Geom.Dedicata
  
  Volume: 155 Pages: 105-140
- DOI
  10.1007/s10711-011-9580-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244006
[Journal Article] 3次元球面内の平坦トーラス2005
- Author(s)
  Y.Kitagawa
- Journal Title
  
  数学(日本数学会) 57
  
  Pages: 164-177
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540059
[Journal Article] Flat tori in the 3-sphere2005
- Author(s)
  Y.Kitagawa
- Journal Title
  
  Sugaku Vol.57
  
  Pages: 164-177
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540059
[Journal Article] Flat tori in the 3-dimensional sphere2005
- Author(s)
  Yoshihisa Kitagawa
- Journal Title
  
  Suugaku Vol.57
  
  Pages: 164-177
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540184
[Journal Article] 3次元球面内の平坦トーラス2005
- Author(s)
  北川義久
- Journal Title
  
  数学(日本数学会) Vol.57(2)
  
  Pages: 164-177
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540184
[Journal Article] 3次元球面内の平坦トーラス2003
- Author(s)
  北川義久
- Journal Title
  
  数学(日本数学会) 57
  
  Pages: 113-126
- Data Source
  KAKENHI-PROJECT-15540059
[Journal Article] Deformable flat tori in $S^3$ with constant mean curvature2003
- Author(s)
  Y.Kitagawa
- Journal Title
  
  Osaka J. Math. 40
  
  Pages: 103-119
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540059
[Journal Article] Deformable flat tori in S^3 with constant mean curvature2003
- Author(s)
  Yoshihisa Kitagawa
- Journal Title
  
  Osaka Jour.Math. 40
  
  Pages: 103-119
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540196
[Journal Article] Deformable flat tori in $S^3$ with constant mean curvature2003
- Author(s)
  Y.Kitagawa
- Journal Title
  
  Osaka J.Math. Vol.40
  
  Pages: 103-119
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540059
[Journal Article] 3次元球面内の平坦トーラス
- Author(s)
  北川義久
- Journal Title
  
  「数学」日本数学会 57・2(掲載予定)
- Data Source
  KAKENHI-PROJECT-14540196
[Journal Article] Extrinsic diameter of immersed flat tori in S^3
- Author(s)
  Y.Kitagawa, M.Umehara
- Journal Title
  
  Geometriae Dedicata(現在電子版公開)
  
  Volume: To appear(冊子体)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540066
[Presentation] 3次元球面内の平坦トーラスに関する直径予想2018
- Author(s)
  北川義久
- Organizer
  榎本一之教授退職記念研究集会
- Invited
- Data Source
  KAKENHI-PROJECT-15K04836
[Presentation] ３次元球面内の平坦トーラスに関する直径予想2016
- Author(s)
  北川義久
- Organizer
  直観幾何学 2016
- Place of Presentation
  熊本大学
- Year and Date
  2016-02-07
- Data Source
  KAKENHI-PROJECT-15K04836
[Presentation] 3次元球面内の平坦トーラスに関する未解決問題2015
- Author(s)
  北川義久
- Organizer
  数理科学小研究集会
- Place of Presentation
  福島大学国際交流会館
- Year and Date
  2015-01-31
- Invited
- Data Source
  KAKENHI-PROJECT-24540066
[Presentation] S^3 内の平坦トーラスに関する未解決問題2014
- Author(s)
  北川義久
- Organizer
  研究集会「部分多様体論・湯沢2014」
- Place of Presentation
  越後湯沢町・湯沢グランドホテル
- Year and Date
  2014-11-21
- Invited
- Data Source
  KAKENHI-PROJECT-24540066
[Presentation] ３次元球面内の平坦トーラスに関する直径予想2012
- Author(s)
  北川義久
- Organizer
  RIMS研究集会「部分多様体と四元数構造」
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-24540066
[Presentation] Extrinsic diameter of immersed flat tori in the unit 3-sphere2011
- Author(s)
  Y. Kitagawa
- Organizer
  Differential Geometry and Tanaka Theory-Differential System and Hypersurface Theory-
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2011-01-25
- Data Source
  KAKENHI-PROJECT-21540066
[Presentation] Extrinsic diameter of immersed flat tori in the unit 3-sphereSpanish2011
- Author(s)
  北川義久
- Organizer
  Japanese Workshop on Differential Geometry
- Place of Presentation
  Faculty of Sicence, University of Granada
- Year and Date
  2011-02-15
- Data Source
  KAKENHI-PROJECT-21540205
[Presentation] Extrinsic diameter of immersed flat tori in the unit 3-sphere2011
- Author(s)
  Y. Kitagawa
- Organizer
  Spanish-Japanese Workshop on Differential Geometry
- Place of Presentation
  Faculty of Sicence, University of Granada
- Year and Date
  2011-02-15
- Data Source
  KAKENHI-PROJECT-21540066
[Presentation] Extrinsic diameter of immersed flat tori in the unit 3-sphere2011
- Author(s)
  Y.Kitagawa
- Organizer
  Spanish-Japanese Workshop on Differential Geom etry
- Place of Presentation
  Faculty of Science, University of Granada
- Year and Date
  2011-02-15
- Data Source
  KAKENHI-PROJECT-21540066
[Presentation] Extrinsic diameter of immersed flat tori in the unit 3-sphereDifferential Geometry and Tanaka Theory2011
- Author(s)
  北川義久
- Organizer
  Differential System and Hypersurface Theory
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2011-01-25
- Data Source
  KAKENHI-PROJECT-21540205
[Presentation] S^3内の平坦トーラスの直径に関する予想について2010
- Author(s)
  北川義久
- Organizer
  名城大学幾何学研究集会
- Place of Presentation
  名城大学
- Year and Date
  2010-03-10
- Data Source
  KAKENHI-PROJECT-21540066
[Presentation] $S^3$内の平坦トーラスの直径に関する予想について2010
- Author(s)
  北川義久
- Organizer
  名城大学幾何学研究集会
- Place of Presentation
  名城大学(名古屋市)
- Year and Date
  2010-03-10
- Data Source
  KAKENHI-PROJECT-21540066
[Presentation] S^3 内の平坦トーラスの直径に関する予想について2010
- Author(s)
  北川義久
- Organizer
  名城大学幾何学研究集会
- Place of Presentation
  名城大学(名古屋市)
- Year and Date
  2010-03-10
- Data Source
  KAKENHI-PROJECT-21540205
[Presentation] 3次元球面内の平坦トーラスの直径予想と閉曲線対の2重接触問題2008
- Author(s)
  北川義久
- Organizer
  研究集会「接触幾何・特異点論およびその周辺」
- Place of Presentation
  越後湯沢グランドホテル
- Year and Date
  2008-01-24
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540184
[Presentation] A conjecture on the diameter of flat tori in the unit 3-sphere2008
- Author(s)
  Yoshihisa Kitagawa
- Organizer
  Contact Geometry
- Place of Presentation
  Singularity and Related topics
- Year and Date
  2008-01-24
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540184
[Presentation] S^3内の平坦トーラスの幾何学と四元数2007
- Author(s)
  北川義久
- Organizer
  集中セミナー「四元数と部分多様体の幾何学」
- Place of Presentation
  筑波大学
- Year and Date
  2007-11-10
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540184
[Presentation] Geometry of flat tori in the unit 3-sphere and quaternions2007
- Author(s)
  Yoshihihsa Kitagawa
- Organizer
  Quaternions and Geometry of Submanifolds
- Place of Presentation
  Tsukuba Univ
- Year and Date
  2007-11-10
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540184

1. AIHARA Yoshihiro (60175718)

# of Collaborated Projects: 10 results

# of Collaborated Products: 0 results
2. KIMURA Hiroshi (70017953)

# of Collaborated Projects: 9 results

# of Collaborated Products: 0 results
3. OCHIAI Shoji (30031545)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
4. FUJIHIRA Hideyuki (70114171)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
5. KIMURA Shigeru (70007962)

# of Collaborated Projects: 6 results

# of Collaborated Products: 0 results
6. ATSUJI Astushi (00221044)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
7. KAMADA Hiroyuko (00249799)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
8. SHIRASO Takeo (50007960)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
9. MORI Seiki (80004456)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
10. UMEHARA Masaaki (90193945)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
11. SAKAI Kazuhiro (30205702)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
12. EMORI Hideyo (90267526)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
13. 藤崎源二郎 (20012289)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
14. YAMADA Kotaro (10221657)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
15. OHNITA Yoshihiro (90183764)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
16. MIYAOKA Reiko (70108182)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
17. MABUCHI Toshiki (80116102)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
18. MASHIMO Katsuya (50157187)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. HASHIMOTO Hideya (60218419)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. ROSSMAN Wayne (50284485)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. KOISO Norihito (70116028)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. GOTO Ryushi (30252571)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. KOKUBU Masatoshi (50287439)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. FUJIMORI Syoichi (00452706)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. SAJI Kentaro (70451432)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. IZUMIYA Shyuichi (80127422)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. ISHIKAWA Goo (50176161)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. KAWAKAMI Yu (60532356)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. AGAOKA Yoshio (50192894)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. OGIUE Koichi (10087025)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. KOISO Miyuki (10178189)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. MAEDA Sadahiro (40181581)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. HAMADA Tatsuyoshi (90299537)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. HOSAKA Tetsuya (50344908)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. MORIMOTO Akira (60289791)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. INOGUCHI Jun-ichi (40309886)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. 越昭三 (40032792)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
38. 神島芳宣 (10125304)

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

KITAGAWA Yoshihisa 北川 義久

北川 義久 キタカ゛ワ ヨシヒサ

Research Projects

Research Products

Co-Researchers

Studies on diameter conjecture on flat tori in the unit spherePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Studies on some open problems concerning flat tori in odd dimensional spheresPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Studies on some open problems concerning flat tori in the unit 3-spherePrincipal 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

Geometry of the flat tori in the sphere and non- linear wave equationsPrincipal 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

Geometry of the flat tori in the 3-sphere and its higher dimensional generalizationPrincipal 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

KITAGAWA Yoshihisa 北川義久

北川義久キタカ゛ワヨシヒサ