Kunikawa Keita 國川慶太

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KUNIKAWA Keita 國川慶太

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Researcher Number	10813165
Other IDs
Affiliation (Current)	2025: 徳島大学, 大学院社会産業理工学研究部(理工学域), 講師
Affiliation (based on the past Project Information) *help	2023 – 2024: 徳島大学, 大学院社会産業理工学研究部(理工学域), 講師 2020 – 2022: 宇都宮大学, 共同教育学部, 助教 2019: 東北大学, 材料科学高等研究所, 助教
Review Section/Research Field	Principal Investigator Basic Section 11020:Geometry-related Except Principal Investigator Basic Section 12040:Applied mathematics and statistics-related
Keywords	Principal Investigator リッチフロー / 熱方程式 / 優リッチフロー / 平均曲率流 / Liouville的性質 / ラグランジュ部分多様体 / 自己相似解 / 特異性・特異点 / 平均曲率流の単調量 / 幾何学的フロー … More / 調和写像流 / 熱核評価 / 古代解 / Liouville型定理 / エントロピー … More Except Principal Investigator 離散幾何 / 曲率流 / 数理モデル / グラフ間距離 / グラフマッチング / 医用画像 / グラフ構造 / パーシステントホモロジー / 最適輸送 / 呼吸器疾患 / 平均曲率流 Less

Geometric analysis on evolving Riemannian manifoldsPrincipal Investigator
- Principal Investigator
  
  國川慶太
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  The University of Tokushima
Mathematical approaches for analysing and diagnosing respiratory diseases
- Principal Investigator
  
  水藤寛
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 12040:Applied mathematics and statistics-related
- Research Institution
  Tohoku University
Research on type II singularities of the mean curvature flowPrincipal Investigator
- Principal Investigator
  
  KUNIKAWA Keita
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Utsunomiya University
  Tohoku University

All 2024 2023 2022 2021 2020 2019

All Journal Article Presentation

[Journal Article] Yau and Souplet-Zhang type gradient estimates on Riemannian manifolds with boundary under Dirichlet boundary condition2022
- Author(s)
  Keita Kunikawa and Yohei Sakurai
- Journal Title
  
  Proc. Amer. Math. Soc.
  
  Volume: 150(4) Issue: 4 Pages: 1767-1777
- DOI
  10.1090/proc/15768
- Peer Reviewed
- Data Source
  KAKENHI-ORGANIZER-17H06460, KAKENHI-PROJECT-19K14521, KAKENHI-PROJECT-22H04942
[Journal Article] Liouville theorems for harmonic map heat flow along ancient super Ricci flow via reduced geometry2021
- Author(s)
  Keita Kunikawa and Yohei Sakurai
- Journal Title
  
  Calc. Var. Partial Differential Equations
  
  Volume: 60(5) Issue: 5
- DOI
  10.1007/s00526-021-02079-2
- Peer Reviewed
- Data Source
  KAKENHI-ORGANIZER-17H06460, KAKENHI-PROJECT-19K14521, KAKENHI-PROJECT-21K20315
[Journal Article] Liouville theorem for heat equation along ancient super Ricci flow via reduced geometry2021
- Author(s)
  Keita Kunikawa and Yohei Sakurai
- Journal Title
  
  J. Geom. Anal.
  
  Volume: 31(12) Issue: 12 Pages: 11899-11930
- DOI
  10.1007/s12220-021-00705-1
- Peer Reviewed
- Data Source
  KAKENHI-ORGANIZER-17H06460, KAKENHI-PROJECT-19K14521
[Journal Article] On Ecker’s local integral quantity at infinity for ancient mean curvature flows2020
- Author(s)
  Kunikawa Keita
- Journal Title
  
  Annals of Global Analysis and Geometry
  
  Volume: 58 Issue: 3 Pages: 253-266
- DOI
  10.1007/s10455-020-09724-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] Index estimate for self-shrinkers in higher codimension2024
- Author(s)
  國川慶太
- Organizer
  MATRIX-RIMS Tandem Workshop: Evolutionary Partial Differential Equations and Applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03105
[Presentation] Index estimate for self-shrinkers in higher codimension2024
- Author(s)
  國川慶太
- Organizer
  The 4th International Conference on Surfaces, Analysis, and Numerics in Differential Geometry
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03105
[Presentation] Morse index and first Betti number for self-shrinkers in higher codimension2023
- Author(s)
  國川慶太
- Organizer
  部分多様体幾何とリー群作用2023
- Invited
- Data Source
  KAKENHI-PROJECT-23K03105
[Presentation] 余次元の高いself-shrinkerのベッチ数によるMorse index評価2023
- Author(s)
  國川慶太
- Organizer
  東北大学幾何セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-23K03105
[Presentation] Morse index estimate via first Betti number for self-shrinkers in higher codimension2023
- Author(s)
  國川慶太
- Organizer
  The 8th China-Japan Geometry Conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03105
[Presentation] Liouville type theorem for harmonic maps of controlled growth2023
- Author(s)
  國川慶太
- Organizer
  NCTS Seminar on Differential Geometry
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03105
[Presentation] Liouville type theorem for harmonic maps of controlled growth2023
- Author(s)
  國川慶太
- Organizer
  BIMSA-BIT Differential Geometry Seminar
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03105
[Presentation] Super Ricci flowに沿ったBamler-Zhang型熱核評価2022
- Author(s)
  國川慶太
- Organizer
  若手による幾何学研究報告会
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] Super Ricci flowに沿ったBamler-Zhang型熱核評価2022
- Author(s)
  國川慶太
- Organizer
  金沢大学数理談話会
- Invited
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] 調和写像およびそのフローに関する増大度条件付きLiouville型定理2022
- Author(s)
  國川慶太
- Organizer
  確率論と幾何学2021
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] Super Ricci flowに沿った熱方程式の幾何解析2022
- Author(s)
  國川慶太
- Organizer
  2022年度福岡大学微分幾何学研究集会
- Invited
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] Super Ricci flowに沿ったBamler-Zhang型熱核評価2022
- Author(s)
  國川慶太
- Organizer
  日本数学会2022年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] 調和写像に関する増大度条件付きLiouville型定理2022
- Author(s)
  國川慶太
- Organizer
  日本数学会2022年度年会（オンライン開催）
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] Super Ricci flowに沿ったBamler-Zhang型熱核評価2022
- Author(s)
  國川慶太
- Organizer
  部分多様体幾何とリー群作用2021
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] 調和写像に関する増大度条件付きLiouville型定理2021
- Author(s)
  國川慶太
- Organizer
  九州大学幾何セミナー
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] Ricci flowに沿った熱方程式のLiouville型定理2021
- Author(s)
  國川慶太
- Organizer
  リーマン幾何と幾何解析
- Invited
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] リッチフローに沿った熱方程式のリウヴィル型定理2021
- Author(s)
  國川慶太
- Organizer
  部分多様体とリー群作用2020
- Invited
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] Liouville theorem for heat equation along ancient Ricci flow2021
- Author(s)
  國川慶太
- Organizer
  International Workshop on Geometric Evolution Equations and Related Fields
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] Ricci flow, heat equation, Liouville type theorem2021
- Author(s)
  國川慶太
- Organizer
  Submanifolds of symmetric spaces and their time evolutions
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] On Ecker's integral at infinity on ancient mean curvature flows2019
- Author(s)
  國川慶太
- Organizer
  The 18th OCAMI-RIRCM Joint Differential Geometry Workshop on "Differential Geometry of Submanifolds in Symmetric Spaces and Related Problems"
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] On a Relation between Two Monotonicity Formulas for Mean Curvature Flow2019
- Author(s)
  國川慶太
- Organizer
  第2回台湾-日本微分幾何学国際研究集会
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] 平均曲率流の2つの単調性公式に関する考察2019
- Author(s)
  國川慶太
- Organizer
  広島幾何学研究集会2019
- Invited
- Data Source
  KAKENHI-PROJECT-19K14521
[Presentation] 平均曲率流の２つの単調性公式の関係2019
- Author(s)
  國川慶太
- Organizer
  部分多様体幾何とリー群作用2019
- Invited
- Data Source
  KAKENHI-PROJECT-19K14521

1. 水藤寛 (10302530)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 冨永循哉 (20375067)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 宇田智紀 (90812272)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Kunikawa Keita 國川 慶太

KUNIKAWA Keita 國川 慶太

Research Projects

Research Products

Co-Researchers

Geometric analysis on evolving Riemannian manifoldsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Mathematical approaches for analysing and diagnosing respiratory diseases

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Research on type II singularities of the mean curvature flowPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Yau and Souplet-Zhang type gradient estimates on Riemannian manifolds with boundary under Dirichlet boundary condition2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Liouville theorems for harmonic map heat flow along ancient super Ricci flow via reduced geometry2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Liouville theorem for heat equation along ancient super Ricci flow via reduced geometry2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] On Ecker’s local integral quantity at infinity for ancient mean curvature flows2020

Author(s)

Journal Title

DOI

Data Source

[Presentation] Index estimate for self-shrinkers in higher codimension2024

Author(s)

Organizer

Data Source

[Presentation] Index estimate for self-shrinkers in higher codimension2024

Author(s)

Organizer

Data Source

[Presentation] Morse index and first Betti number for self-shrinkers in higher codimension2023

Author(s)

Organizer

Data Source

[Presentation] 余次元の高いself-shrinkerのベッチ数によるMorse index評価2023

Author(s)

Organizer

Data Source

[Presentation] Morse index estimate via first Betti number for self-shrinkers in higher codimension2023

Author(s)

Organizer

Data Source

[Presentation] Liouville type theorem for harmonic maps of controlled growth2023

Author(s)

Organizer

Data Source

[Presentation] Liouville type theorem for harmonic maps of controlled growth2023

Author(s)

Organizer

Data Source

[Presentation] Super Ricci flowに沿ったBamler-Zhang型熱核評価2022

Author(s)

Organizer

Data Source

[Presentation] Super Ricci flowに沿ったBamler-Zhang型熱核評価2022

Author(s)

Organizer

Data Source

[Presentation] 調和写像およびそのフローに関する増大度条件付きLiouville型定理2022

Kunikawa Keita 國川慶太

KUNIKAWA Keita 國川慶太