YAMADA Takumi 山田拓身

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Yamada Takumi 山田拓身

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Researcher Number	40403117
Other IDs
Affiliation (Current)	2025: 島根大学, 学術研究院理工学系, 教授
Affiliation (based on the past Project Information) *help	2020 – 2024: 島根大学, 学術研究院理工学系, 教授 2018: 島根大学, 学術研究院理工学系, 准教授 2016 – 2017: 島根大学, 総合理工学研究科, 准教授 2012: 島根大学, 総合理工学研究科(研究院), 准教授 2012: 島根大学, 総合理工学研究科, 准教授 2012: 島根大学, 総合理工学部, 准教授 2009 – 2011: 島根大学, 総合理工学部, 講師
Review Section/Research Field	Principal Investigator Basic Section 11020:Geometry-related / Geometry Except Principal Investigator Geometry
Keywords	Principal Investigator 可解多様体 / 等質空間 / リー環 / リー群 / 不変複素構造 / 複素構造 / 非ケーラー構造 / 旗多様体 / 複素多様体 / 非ケーラー多様体 … More / コンパクト可解多様体 / 非退化２次形式 / 左不変複素構造 / 余コンパクト離散部分群 / 可解リー群 / 幾何学 / 正則ベクトル場のなすリー環 / リー環のコホモロジー / べき零多様体 / ドルボーコホモロジー群 / ベキ零多様体 / 正則シンプレクティック構造 / 擬ケーラー構造 / ホッジ数 / シンプレクティック幾何学 / 等質複素空間 / 等質複素多様体 / 微分幾何学 / リ―群 / 擬ケーラー多様体 … More Except Principal Investigator 距離空間 / 漸近的次元 / 漸近的トポロジー / 鎖回帰集合 / ケーラー多様体 / CAT(0)空間 / CAT(0)群 / コクセター群 / 力学系 / 極限集合 / 回帰性 / 幾何学的群論 / 次元論 / 位相的力学系 / 位相幾何学 / Lagrange部分多様体 / Ricci soliton / 部分多様体 / 超曲面 / 微分幾何学 / ラグランジュ部分多様体 / リッチ・ソリトン / 曲率平坦擬リーマン計量 / リッチ平坦 / 擬リーマン可解多様体 / 非コンパクス型対弥空間 / 擬ケーラー・アインシュタイン計量 / リッチ形式 / 擬ケーラー多様体 / 余次元1の作用 / 非コンパクト型対称空間 / リー群上の左不変計量のなす空間 / 等質アインシュタイン多様体 / 可解多様体 / 擬ケーラー構造 / 可解リー群 / 不変なアインシュタイン計量 / コンパクトリー群上のアインシュタイン計量 / 擬ケーラー計量 / アインシュタイン可解多様体 / リー群上の左不変リーマン計量 / 一般化された旗多様体 / 等質アインシュタイン計量 / Burstall-Rawsley予想 / 擬エルミート対称空間 / Lie変換群 / 非有界等質領域 / 局所等質空間 / 局所共形ケーラー構造 / ケーラー構造 / 概複素構造 / 等質空間 / 複素多様体 Less

コンパクト可解多様体を用いた非ケーラー多様体の研究Principal Investigator
- Principal Investigator
  
  山田拓身
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Shimane University
Complex structures and non-Kaehler structures on compact solvmanifoldsPrincipal Investigator
- Principal Investigator
  
  山田拓身
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Shimane University
Compact complex homogeneous manifolds with non-degenerate closed 2-formsPrincipal Investigator
- Principal Investigator
  
  Yamada Takumi
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Shimane University
Study on boundaries of Coxeter groups anddynamical structure on the chain recurrent set
- Principal Investigator
  
  YOKOI Katsuya
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Jikei University School of Medicine
Studies of compact homogeneous complex manifolds via of non-Kahler structuresPrincipal Investigator
- Principal Investigator
  
  YAMADA Takumi
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geometry
- Research Institution
  Shimane University
Complex structures on compact and non-compact homogeneous spaces
- Principal Investigator
  
  HASEGAWA Keizo
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Niigata University
Homogeneous Einstein manifolds
- Principal Investigator
  
  SKANE Yusuke
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Osaka University
Geometry of Lagrange submanifolds and Ricci solitons
- Principal Investigator
  
  KIMURA Makoto
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Shimane University

All 2024 2023 2021 2018 2017 2016 2013 2012 2011 2010 2009

All Journal Article Presentation

[Journal Article] On line bundles arising from the LCK structure over locally conformal Kaehler solvmanifolds2024
- Author(s)
  Takumi Yamada
- Journal Title
  
  Complex Manifolds
  
  Volume: 1 Issue: 1
- DOI
  10.1515/coma-2024-0003
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03586
[Journal Article] Some relations between complex structures on compact nilmanifolds and flag manifolds2021
- Author(s)
  Takumi Yamada
- Journal Title
  
  Hiroshima Mathematical Journal
  
  Volume: 51 Issue: 3 Pages: 227-246
- DOI
  10.32917/h2020027
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K03586
[Journal Article] Complex structures on the complexification of a real Lie algebra2018
- Author(s)
  Yamada Takumi
- Journal Title
  
  Complex Manifolds
  
  Volume: 5 Issue: 1 Pages: 150-157
- DOI
  10.1515/coma-2018-0010
- NAID
  40022258178
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05131
[Journal Article] Complex structures and non-degenerate closed 2-forms of compact real parallelizable nilmanifolds2017
- Author(s)
  Takumi Yamada
- Journal Title
  
  Osaka Journal of Mathematics
  
  Volume: 54 Pages: 121-128
- NAID
  120006240155
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-16K05131
[Journal Article] Some relations between Hodge numbers and invariant complex structures on compact nilmanifolds2017
- Author(s)
  Takumi Yamada
- Journal Title
  
  Complex Manifolds
  
  Volume: 4 Issue: 1 Pages: 73-83
- DOI
  10.1515/coma-2017-0006
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05131
[Journal Article] Remarks on Hodge numbers and invariant complex structures of compact nilmanifolds2016
- Author(s)
  Takumi Yamada
- Journal Title
  
  Complex Manifolds
  
  Volume: 3 Issue: 1 Pages: 271-281
- DOI
  10.1515/coma-2016-0014
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-16K05131
[Journal Article] A construction of lattices in splittable solvable Lie groups2016
- Author(s)
  Takumi Yamada
- Journal Title
  
  Kodai Mathematical Journal
  
  Volume: 39 Pages: 378-388
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-16K05131
[Journal Article] Hodge numbers and invariant complex structures of compact nilmanifolds2016
- Author(s)
  Takumi Yamada
- Journal Title
  
  Complex Manifolds
  
  Volume: 3 Issue: 1 Pages: 193-206
- DOI
  10.1515/coma-2016-0007
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-16K05131
[Journal Article] Ricci flatness of certain compact pseudo-Kahler solvmanifolds2012
- Author(s)
  Takumi Yamada
- Journal Title
  
  Journal of Geometry and Physics
  
  Volume: Vol.62, No.5 Pages: 1338-1345
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540083
[Journal Article] Holomorphic vector fields of compact pseudo-Kahler manifolds2012
- Author(s)
  Takumi Yamada
- Journal Title
  
  Journal of Geometry and Physics
  
  Volume: Vol.62, No.4 Pages: 740-750
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540083
[Journal Article] Holomorphic vector fields of compact pseudo- Kahler manifolds2012
- Author(s)
  山田拓身
- Journal Title
  
  Journal of Geometry and Physics
  
  Volume: 62巻 Pages: 740-745
- URL
  http://dx.doi.org/10.1016/j.geomphys.2011.08.001
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740040
[Journal Article] Ricci flatness of certain compact pseudo-Kahler solvmanifolds2012
- Author(s)
  T. Yamada
- Journal Title
  
  J. Geom. Phys.
  
  Volume: 62 Pages: 1338-1345
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540080
[Journal Article] Ricci flatness of certain compact pseudo-Kahlersolvmanifolds2012
- Author(s)
  山田拓身
- Journal Title
  
  Journal of Geometry and Physics
  
  Volume: Vol.62 Issue: 5 Pages: 1338-1345
- DOI
  10.1016/j.geomphys.2011.06.006
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740040
[Journal Article] Ricci flatness of certain compact pseudo-Kahler solvmanifolds2012
- Author(s)
  Takumi Yamada
- Journal Title
  
  Journal of Geometry and Physics
  
  Volume: 62 Pages: 1338-1345
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540098
[Journal Article] Holomorphic vector fields of compact pseudo-Kahler manifolds2012
- Author(s)
  Takumi Yamada
- Journal Title
  
  Journal of Geometry and Physics
  
  Volume: 62 Pages: 740-750
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540098
[Journal Article] Holomorphic vector fields of compact pseudo-Kahler manifolds2012
- Author(s)
  T. Yamada
- Journal Title
  
  J. Geom. Phys
  
  Volume: 62 Pages: 740-750
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540080
[Journal Article] Ricci flatness of certain compact pseudo-Kahler solvmanifolds2012
- Author(s)
  山田拓身
- Journal Title
  
  Journal of Geometry and Physics
  
  Volume: 62巻 Pages: 1338-1345
- URL
  http://dx.doi.org/10.1016/j.geomphys.2011.06.006
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22740040
[Journal Article] Ricci flatness of certain compact pseudo-Kahler solvmanifolds2011
- Author(s)
  T.Yamada
- Journal Title
  
  Journal of Geometry and Physics
  
  Volume: Vol.62 Issue: 4 Pages: 1-8
- DOI
  10.1016/j.geomphys.2011.08.001
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540080, KAKENHI-PROJECT-22740040
[Presentation] ある種の６次元可解多様体の複素構造とその幾何構造について2024
- Author(s)
  山田拓身
- Organizer
  沼津改め静岡研究会（静岡大）
- Invited
- Data Source
  KAKENHI-PROJECT-20K03586
[Presentation] LCK可解多様体上の誘導直線束について2023
- Author(s)
  山田拓身
- Organizer
  Workshop on Geometry in Oita
- Invited
- Data Source
  KAKENHI-PROJECT-20K03586
[Presentation] Complex structures on complexification of a real Lie algebras2018
- Author(s)
  Takumi Yamada
- Organizer
  RIMS共同研究(公開型)　部分多様体の幾何学の深化と展開
- Invited
- Data Source
  KAKENHI-PROJECT-16K05131
[Presentation] Invariant complex structures on compact nilmanifolds2017
- Author(s)
  Takumi Yamada
- Organizer
  Workshop on Geometry in Oita
- Invited
- Data Source
  KAKENHI-PROJECT-16K05131
[Presentation] Remarks on Hodge numbers and invariant complex structures of compact nilmanifolds2016
- Author(s)
  山田　拓身
- Organizer
  RIMS研究集会部分多様体の微分幾何学的研究
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2016-06-27
- Data Source
  KAKENHI-PROJECT-16K05131
[Presentation] Invariant complex structures and Hodge numbers of compact nilmanifolds2016
- Author(s)
  山田　拓身
- Organizer
  広島微分幾何学研究会
- Place of Presentation
  広島大学
- Year and Date
  2016-10-06
- Invited
- Data Source
  KAKENHI-PROJECT-16K05131
[Presentation] 一般化された旗多様体の不変擬ケーラー構造の指数について2013
- Author(s)
  山田拓身
- Organizer
  多様体と幾何構造の融合
- Place of Presentation
  名城大学(名古屋市)
- Invited
- Data Source
  KAKENHI-PROJECT-22740040
[Presentation] 一般化された旗多様体の不変擬ケーラー構造の指数について2013
- Author(s)
  山田拓身
- Organizer
  多様体と幾何構造の融合
- Place of Presentation
  名城大学
- Data Source
  KAKENHI-PROJECT-22540098
[Presentation] 一般化された旗多様体の不変擬ケーラー構造の指数について2013
- Author(s)
  山田拓身
- Organizer
  多様体と幾何構造の融合
- Place of Presentation
  名城大
- Year and Date
  2013-03-06
- Data Source
  KAKENHI-PROJECT-22540098
[Presentation] 一般化された旗多様体の不変擬ケーラー構造の指数について2013
- Author(s)
  山田拓身
- Organizer
  多様体と幾何構造の融合
- Place of Presentation
  多様体と幾何構造の融合
- Year and Date
  2013-03-06
- Data Source
  KAKENHI-PROJECT-22740040
[Presentation] 非ケーラー構造をもつ複素等質空間の正則ベクトル場について2012
- Author(s)
  山田拓身
- Organizer
  複素解析的ベクトル場・葉層構造とその周辺
- Place of Presentation
  龍谷大学セミナーハウスともいき荘(京都市)
- Invited
- Data Source
  KAKENHI-PROJECT-22740040
[Presentation] 非ケーラー構造をもつ複素等質空間の正則ベクトル場について2012
- Author(s)
  山田拓身
- Organizer
  複素解析的ベクトル場・葉層構造とその周辺
- Place of Presentation
  龍谷大学セミナーハウスともいき荘(京都)
- Year and Date
  2012-12-07
- Data Source
  KAKENHI-PROJECT-22740040
[Presentation] Some studies on compact non-Kaehler manifolds2011
- Author(s)
  山田拓身
- Organizer
  松江微分幾何学研究会
- Place of Presentation
  島根大学
- Year and Date
  2011-12-17
- Data Source
  KAKENHI-PROJECT-21540080
[Presentation] Some studies on compact non-Kaehler manifolds2011
- Author(s)
  山田拓身
- Organizer
  松江微分幾何学研究会 2011
- Place of Presentation
  島根大学(松江)
- Year and Date
  2011-12-17
- Data Source
  KAKENHI-PROJECT-22740040
[Presentation] Some studies on compact non-Kaehler manifolds2011
- Author(s)
  山田拓身
- Organizer
  松江微分幾何学研究会2011
- Place of Presentation
  島根大学(招待講演)
- Year and Date
  2011-12-17
- Data Source
  KAKENHI-PROJECT-21540080
[Presentation] コンパクト擬ケーラー多様体の正則ベクトル場について2010
- Author(s)
  山田拓身
- Organizer
  松江微分幾何学研究会 2010
- Place of Presentation
  島根大学 (松江)
- Year and Date
  2010-12-11
- Data Source
  KAKENHI-PROJECT-22740040
[Presentation] コンパクト擬ケーラー多様体の正則ベクトル場について2010
- Author(s)
  山田拓身
- Organizer
  擬リーマン幾何学の展開III
- Place of Presentation
  お茶の水女子大学(招待講演)
- Year and Date
  2010-12-19
- Data Source
  KAKENHI-PROJECT-22740040
[Presentation] 擬ケーラー多様体上の正則ベクトル場について2010
- Author(s)
  山田拓身
- Organizer
  擬リーマン幾何の展開III
- Place of Presentation
  お茶の水女子大学
- Year and Date
  2010-12-19
- Data Source
  KAKENHI-PROJECT-22540098
[Presentation] コンパクト擬ケーラー多様体の正則ベクトル場について2010
- Author(s)
  山田拓身
- Organizer
  松江微分幾何学研究集会2010
- Place of Presentation
  島根大学
- Year and Date
  2010-12-11
- Data Source
  KAKENHI-PROJECT-21540080
[Presentation] コンパクト擬ケーラー多様体上の正則ベクトル場について2010
- Author(s)
  山田拓身
- Organizer
  松江微分幾何学研究集会2010
- Place of Presentation
  島根大学
- Year and Date
  2010-12-11
- Data Source
  KAKENHI-PROJECT-22540098
[Presentation] コンパクト擬ケーラー多様体の正則ベクトル場について2010
- Author(s)
  山田拓身
- Organizer
  擬リーマン幾何学の展開 III
- Place of Presentation
  お茶の水大学(東京)
- Year and Date
  2010-12-19
- Data Source
  KAKENHI-PROJECT-22740040
[Presentation] コンパクト擬ケーラー多様体の正則ベクトル場について2010
- Author(s)
  山田拓身
- Organizer
  松江微分幾何学研究集会2010
- Place of Presentation
  島根大学(招待講演)
- Year and Date
  2010-12-11
- Data Source
  KAKENHI-PROJECT-21540080
[Presentation] On compact real-parallelizable complex solvmanifolds2009
- Author(s)
  山田拓身
- Organizer
  松江微分幾何学研究会
- Place of Presentation
  島根大学(松江市)
- Year and Date
  2009-12-12
- Data Source
  KAKENHI-PROJECT-21540073
[Presentation] On compact real-parallelizable complex solvmanifolds2009
- Author(s)
  山田拓身
- Organizer
  松江微分幾何学研究会
- Place of Presentation
  島根大学
- Year and Date
  2009-12-12
- Data Source
  KAKENHI-PROJECT-21540080

1. HASEGAWA Keizo (00208480)

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2. KAMISHIMA Yoshinobu (10125304)

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3. ISHI Hideyuki (00326068)

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4. KOBAYASHI Ryoichi (20162034)

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5. SKANE Yusuke (00089872)

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6. TAMARU Hiroshi (50306982)

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7. KIMURA Makoto (30186332)

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8. FURUMOCHI Tetsuo (40039128)

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9. HATTORI Yasunao (20144553)

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10. YOKOI Katsuya (90240184)

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11. HOSAKA Tetsuya (50344908)

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YAMADA Takumi 山田 拓身

Yamada Takumi 山田 拓身

Research Projects

Research Products

Co-Researchers

コンパクト可解多様体を用いた非ケーラー多様体の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Complex structures and non-Kaehler structures on compact solvmanifoldsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Compact complex homogeneous manifolds with non-degenerate closed 2-formsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study on boundaries of Coxeter groups anddynamical structure on the chain recurrent set

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Studies of compact homogeneous complex manifolds via of non-Kahler structuresPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Complex structures on compact and non-compact homogeneous spaces

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Homogeneous Einstein manifolds

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Geometry of Lagrange submanifolds and Ricci solitons

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] On line bundles arising from the LCK structure over locally conformal Kaehler solvmanifolds2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Some relations between complex structures on compact nilmanifolds and flag manifolds2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Complex structures on the complexification of a real Lie algebra2018

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Complex structures and non-degenerate closed 2-forms of compact real parallelizable nilmanifolds2017

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Some relations between Hodge numbers and invariant complex structures on compact nilmanifolds2017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Remarks on Hodge numbers and invariant complex structures of compact nilmanifolds2016

YAMADA Takumi 山田拓身

Yamada Takumi 山田拓身