WATANABE KIWAMU 渡辺究

… Alternative Names

WATANABE Kiwamu 渡辺究

Less

Researcher Number	20638176
Other IDs	https://orcid.org/0000-0002-6585-0001
Affiliation (Current)	2025: 中央大学, 理工学部, 准教授
Affiliation (based on the past Project Information) *help	2025: 中央大学, 理工学部, 准教授 2020 – 2023: 中央大学, 理工学部, 准教授 2012 – 2019: 埼玉大学, 理工学研究科, 助教
Review Section/Research Field	Principal Investigator Algebra / Basic Section 11010:Algebra-related
Keywords	Principal Investigator ファノ多様体 / 接束 / 等質多様体 / ネフ / 有理曲線 / ネフ接束 / 擬指数 / 外積 / 有理連結多様体 / VMRT … More / 正値性 / Fano多様体 / 幾何学 / 代数学 / 対角集合 / 有理等質多様体 / 正標数 / リー環 / 代数群 / 接朿 / ネフな接束 Less

Positivity of Tangent Bundles and the Geometry of Fano VarietiesPrincipal Investigator
- Principal Investigator
  
  渡辺究
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Chuo University
Structural study of algebraic varieties from the viewpoint of the positivity of the tangent bundlePrincipal Investigator
- Principal Investigator
  
  渡辺究
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Chuo University
Characterization of homogeneous varieties by means of tangent bundlesPrincipal Investigator
- Principal Investigator
  
  Watanabe Kiwamu
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Chuo University
  Saitama University
Structural Studies of Fano manifolds with nef tangent bundlePrincipal Investigator
- Principal Investigator
  
  WATANABE Kiwamu
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Saitama University
Studies of families of rational curves and characterizations of homogeneous manifoldsPrincipal Investigator
- Principal Investigator
  
  WATANABE Kiwamu
- Project Period (FY)
  2012 – 2013
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Algebra
- Research Institution
  Saitama University

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 Other

All Journal Article Presentation

[Journal Article] Fano 4-folds with nef tangent bundle in positive characteristic2024
- Author(s)
  Takahashi Yuta、Watanabe Kiwamu
- Journal Title
  
  Communications in Algebra
  
  Volume: なし Issue: 7 Pages: 1-10
- DOI
  10.1080/00927872.2024.2305682
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03170
[Journal Article] Projective varieties with nef tangent bundle in positive characteristic2023
- Author(s)
  Kanemitsu Akihiro、Watanabe Kiwamu
- Journal Title
  
  Compositio Mathematica
  
  Volume: 159 Issue: 9 Pages: 1974-1999
- DOI
  10.1112/s0010437x23007376
- Data Source
  KAKENHI-PROJECT-21K03170
[Journal Article] Positivity of the exterior power of the tangent bundles2023
- Author(s)
  Watanabe Kiwamu
- Journal Title
  
  Proceedings of the Japan Academy, Series A, Mathematical Sciences
  
  Volume: 99 Issue: 10
- DOI
  10.3792/pjaa.99.015
- Data Source
  KAKENHI-PROJECT-21K03170
[Journal Article] Positivity of the second exterior power of the tangent bundles2021
- Author(s)
  Watanabe Kiwamu
- Journal Title
  
  Advances in Mathematics
  
  Volume: 385 Pages: 107757-107757
- DOI
  10.1016/j.aim.2021.107757
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03170
[Journal Article] Fano manifolds of coindex three admitting nef tangent bundle2021
- Author(s)
  Kiwamu Watanabe
- Journal Title
  
  Geometriae Dedicata
  
  Volume: 210 Issue: 1 Pages: 165-178
- DOI
  10.1007/s10711-020-00538-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14153
[Journal Article] Varieties with nef diagonal2020
- Author(s)
  Taku Suzuki and Kiwamu Watanabe
- Journal Title
  
  International Journal of Mathematics
  
  Volume: 31 Issue: 02 Pages: 2050011-2050011
- DOI
  10.1142/s0129167x20500111
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14153
[Journal Article] Characterizing the homogeneous variety F4(4)2018
- Author(s)
  Gianluca Occhetta, Luis E. Sola Conde; Conde, Kiwamu Watanabe,
- Journal Title
  
  Mathematische Nachrichten
  
  Volume: 印刷中
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14153
[Journal Article] Characterizing the homogeneous variety F4(4)2018
- Author(s)
  Occhetta, Gianluca; Sola Conde, Luis E.; Watanabe, Kiwamu
- Journal Title
  
  v
  
  Volume: 291 Issue: 14-15 Pages: 2334-2346
- DOI
  10.1002/mana.201700261
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14153
[Journal Article] Low-dimensional projective manifolds with nef tangent bundle in positive characteristic2017
- Author(s)
  Watanabe, Kiwamu
- Journal Title
  
  Communications in Algebra
  
  Volume: 45 Issue: 9 Pages: 3768-3777
- DOI
  10.1080/00927872.2016.1245740
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26800002
[Journal Article] A characterization of symplectic Grassmanianns2017
- Author(s)
  Occhetta, Gianluca; Sola Conde, Luis E., Watanabe, Kiwamu
- Journal Title
  
  Mathematische Zeitschrift
  
  Volume: 印刷中 Issue: 3-4 Pages: 1421-1433
- DOI
  10.1007/s00209-016-1807-6
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800002, KAKENHI-PROJECT-17K14153
[Journal Article] Fano manifolds whose elementary contractions are smooth P^1-fibrations: a geometric characterization of flag varieties2017
- Author(s)
  Gianluca Occhetta, Luis E. Sola Conde; Conde, Kiwamu Watanabe, Jaroslaw A. Wisniewski
- Journal Title
  
  Annali della Scuola Normale Superiore di Pisa
  
  Volume: XVII, issue 2 Pages: 573-607
- DOI
  10.2422/2036-2145.201508_007
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14153
[Journal Article] Uniform families of minimal rational curves on Fano manifolds2016
- Author(s)
  Occhetta, Gianluca; Sola Conde, Luis E., Watanabe, Kiwamu
- Journal Title
  
  Revista Matematica Complutense
  
  Volume: 29-2 Issue: 2 Pages: 423-437
- DOI
  10.1007/s13163-015-0183-9
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800002
[Journal Article] A survey on the Campana-Peternell Conjecture2015
- Author(s)
  Munoz, Roberto; Occhetta, Gianluca; Sola Conde, Luis E.; Watanabe, Kiwamu; Wisniewski, Jaroslaw A.
- Journal Title
  
  Rendiconti dell'Istituto di Matematica dell'Università di Trieste
  
  Volume: 47 Pages: 127-185
- DOI
  10.13137/0049-4704/11223
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800002
[Journal Article] Fano manifolds with nef tangent bundle and large Picard number2015
- Author(s)
  Watanabe, Kiwamu
- Journal Title
  
  Proceedings of the Japan Academy, Series A, Mathematical Sciences
  
  Volume: 91 Issue: 6 Pages: 89-94
- DOI
  10.3792/pjaa.91.89
- NAID
  40020519528
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26800002
[Journal Article] Rational curves, Dynkin diagrams and Fano manifolds with nef tangent bundle2015
- Author(s)
  Munoz, Roberto; Occhetta, Gianluca; Sola Conde, Luis E.; Watanabe, Kiwamu
- Journal Title
  
  Mathematische Annalen
  
  Volume: 361 Issue: 3-4 Pages: 583-609
- DOI
  10.1007/s00208-014-1083-x
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800002
[Journal Article] Fano 5-folds with nef tangent bundles and Picard numbers greater than one2014
- Author(s)
  K Watanabe
- Journal Title
  
  Math. Z.
  
  Volume: 276, no.1-2 Issue: 1-2 Pages: 39-49
- DOI
  10.1007/s00209-013-1185-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24840008
[Journal Article] Fano 5-folds with nef tangent bundles and Picard numbers greater than one2013
- Author(s)
  Kiwamu Watanabe
- Journal Title
  
  Mathematische Zeitschrift
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24840008
[Journal Article] On projective manifolds swept out by cubic varieties2012
- Author(s)
  Kiwamu Watanabe
- Journal Title
  
  International Journal of Mathematics
  
  Volume: (掲載決定) Issue: 07 Pages: 1250058-1250058
- DOI
  10.1142/s0129167x12500589
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-11J05317, KAKENHI-PROJECT-24840008
[Presentation] Extremal contractions and non-free rational curves on Fano varieties2024
- Author(s)
  Kiwamu Watanabe
- Organizer
  Conference on singularities and birational geometry
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03170
[Presentation] Extremal contractions and non-free rational curves on Fano varieties2023
- Author(s)
  Kiwamu Watanabe
- Organizer
  Young Perspectives on Algebraic Geometry
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03170
[Presentation] Positivity of the exterior power of the tangent bundles2022
- Author(s)
  Watanabe, Kiwamu
- Organizer
  Rationality, Moduli Spaces, and Related Topics
- Invited
- Data Source
  KAKENHI-PROJECT-21K03170
[Presentation] Positivity of the exterior power of the tangent bundles2021
- Author(s)
  Watanabe, Kiwamu
- Organizer
  Zoom Algebraic Geometry Seminar
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14153
[Presentation] Characterizing the homogeneous variety F_4(4)2019
- Author(s)
  Kiwamu Watanabe
- Organizer
  Algebraic Geometry and Moduli Theory
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14153
[Presentation] Characterizations of rational homogeneous manifolds2017
- Author(s)
  Watanabe, Kiwamu
- Organizer
  Workshop on Fano varieties and Calami-Yau varieties
- Place of Presentation
  神戸大学六甲大第二キャンパス（兵庫県神戸市）
- Year and Date
  2017-01-23
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800002
[Presentation] Fano manifolds with nef tangent bundle2016
- Author(s)
  Watanabe, Kiwamu
- Organizer
  International Conference on Spherical Varieties
- Place of Presentation
  （Yau Mathematical Sciences Center（中国、海南島）
- Year and Date
  2016-11-08
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800002
[Presentation] Fano manifolds with nef tangent bundles2015
- Author(s)
  Watanabe, Kiwamu
- Organizer
  Mini-conference on Algebraic Geometry
- Place of Presentation
  National Taiwan University、台湾、台北市
- Year and Date
  2015-03-06
- Invited
- Data Source
  KAKENHI-PROJECT-26800002
[Presentation] Characterization of complete flag manifolds and Campana-Peternell conjecture2013
- Author(s)
  Kiwamu Watanabe
- Organizer
  Geometry of Projective Varieties and Related Topics
- Place of Presentation
  高知大学、高知
- Invited
- Data Source
  KAKENHI-PROJECT-24840008
[Presentation] Characterization of complete flag manifolds and Campana-Peternell conjecture2013
- Author(s)
  Kiwamu Watanabe
- Organizer
  Recent development of Fano manifolds
- Place of Presentation
  京都大学、京都
- Invited
- Data Source
  KAKENHI-PROJECT-24840008
[Presentation] Fano 5-folds with nef tangent bundles2013
- Author(s)
  渡辺究
- Organizer
  日本数学会2013年度年会
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-24840008
[Presentation] Characterization of complete flag manifolds and Campana-Peternell conjecture2013
- Author(s)
  Kiwamu Watanabe
- Organizer
  Mini workshop on birational geometry, Univ. of Tokyo.
- Place of Presentation
  東京大学、東京
- Invited
- Data Source
  KAKENHI-PROJECT-24840008
[Presentation] On certain manifolds with nef tangent bundle
- Author(s)
  Kiwamu Watanabe
- Organizer
  A.G.O. FRiDAYS
- Place of Presentation
  POSTECH、Korea
- Invited
- Data Source
  KAKENHI-PROJECT-24840008
[Presentation] Characterization of complete flag manifolds of classical type,
- Author(s)
  Kiwamu Watanabe
- Organizer
  Japanese-Spanish Workshop
- Place of Presentation
  Imperial College London、England
- Invited
- Data Source
  KAKENHI-PROJECT-24840008
[Presentation] Characterization of complete flag manifolds and Campana-Peternell conjecture
- Author(s)
  Kiwamu Watanabe
- Organizer
  seminar, University of Trento
- Place of Presentation
  University of Trento、Italy
- Invited
- Data Source
  KAKENHI-PROJECT-24840008

1. MUÑOZ Roberto

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
2. OCCHETTA Gianluca

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
3. CONDE Luis E. Solá

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
4. J. Wiśniewski

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. Wiśniewski Jaroslaw A.

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

WATANABE KIWAMU 渡辺 究

WATANABE Kiwamu 渡辺 究

Research Projects

Research Products

Co-Researchers

Positivity of Tangent Bundles and the Geometry of Fano VarietiesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Structural study of algebraic varieties from the viewpoint of the positivity of the tangent bundlePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Characterization of homogeneous varieties by means of tangent bundlesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Structural Studies of Fano manifolds with nef tangent bundlePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Studies of families of rational curves and characterizations of homogeneous manifoldsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Fano 4-folds with nef tangent bundle in positive characteristic2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Projective varieties with nef tangent bundle in positive characteristic2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Positivity of the exterior power of the tangent bundles2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Positivity of the second exterior power of the tangent bundles2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Fano manifolds of coindex three admitting nef tangent bundle2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Varieties with nef diagonal2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Characterizing the homogeneous variety F4(4)2018

Author(s)

Journal Title

Data Source

[Journal Article] Characterizing the homogeneous variety F4(4)2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Low-dimensional projective manifolds with nef tangent bundle in positive characteristic2017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A characterization of symplectic Grassmanianns2017

WATANABE KIWAMU 渡辺究

WATANABE Kiwamu 渡辺究