KAWAKAMI Hajime 河上肇

… Alternative Names

河上肇カワカミハジメ

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Researcher Number	20240781
Other IDs
Affiliation (Current)	2025: 秋田大学, 名誉教授, 名誉教授
Affiliation (based on the past Project Information) *help	2022 – 2023: 秋田大学, 理工学研究科, 教授 2011: 秋田大学, 大学院・工学資源学研究科, 准教授 2010 – 2011: 秋田大学, 工学資源学研究科, 准教授 2009: Akita University, 工学資源学部, 准教授 2007: Akita University, Faculty of engineering and resource science, associate professor … More 1998 – 2007: AKITA UNIVERSITY・FACULTY OF ENGINEERING AND RESOURCE SCIENCE,ASSOCIATE PROFESSOR, 工学資源学部, 助教授 1997: 秋田大学, 教育学部, 助教授 1996: 秋田大学, 教育学部, 講師 1993: 秋田大学, 教育学部, 講師 Less
Review Section/Research Field	Principal Investigator Basic analysis / Geometry / Basic Section 60020:Mathematical informatics-related Except Principal Investigator Geometry / General mathematics (including Probability theory/Statistical mathematics) / General mathematics (including Probability theory/Statistical mathematics) / 解析学
Keywords	Principal Investigator 逆問題 / 熱方程式 / inverse problem / 混合型境界条件 / 拡散方程式 / 未知形状 / heat equation / diffusion equation / 放物型方程式 / 形状推定 … More / MCMC / ベイズの定理 / mixed boundary condition / parabolic equation / identification of shape / mixed boundary value problem / Dirichlet to Neumann map / Lipschitz domain / shape of domain / 線形化 / エネルギー評価 / 領域形状推定 / 混合型境界値問題 / Dirichlet to Neumann写像 / リプシッツ領域 / 領域形状 / computer network / discriminant / stable map / Gaussian curvature / C^∞ smoothing / Holder continuity / smoothing / 平面への投影 / ガウス曲率 / コンピュータ・ネットワーク / 特異値集合 / 安定写像 / ガウス曲線 / C^∞スムージング / ヘルダー連続性 / 関数方程式 / 弱解 / Feynman-Kac型公式 / 斜反射境界値問題 … More Except Principal Investigator diffusion process / 数値解法 / 基本解 / 拡散過程 / symplectic structure / Poisson structure / アトム分解 / ポアソン構造 / discretized Markov transform / spectral spreading sequence / Cesaro operator / Jacobi series / jump process / stochastic control / inverse problem / heat equation / マルコフ連鎖 / 時系列モデル / 超離散力学系 / 離散化マルコフ変換 / スペクトル拡散系列 / チェザロ作用素 / ヤコビ級数 / ジャンプ過程 / 確率制御 / 逆問題 / 熱方程式 / Lie algebroid / Engel structure / contact structure / tangent distribution / Nambu-Jacobi structure / アルジェブロイド / リー・アルジェブロイド / エンゲル構造 / 接触構造 / 接分布 / 南部・ヤコビ構造 / ポアソン / シンプレクティック / Paley's inequality / Hausdorff operator / numerical analysis / penalty method / stochactic differential equation / Dirichlet form / Ventsel's boundary condition / 離散ハンケル空間 / モンテカルロシミュレーション / 確率過程の強近インス / 微積分方程式 / ペーリー不等式 / ペーリーの不等式 / ハウスドルフ作用素 / ペナルティメソッド / 確率微分方程式 / ディリクレ形式 / ヴェンチェル境界条件 / numerical method for solving / noncausal stochastic equation / Hankel transform / Hardy-type inequality / superpositon of diffusion process / fundamental solution / diffusion equation / ハーディー空間 / ハーディーの不等式 / オイラー・丸山近似 / 確率微分方程式の数値解析 / 非因果的確立方程式 / 放散方程式 / 非因果的確率方程式 / ハンケル変換 / ハーディ型不等式 / 拡散過程の重ね合せ / 拡散方程式 / torus / self-similarity / Poisson bracket / トーラス / 自己相似性 / ポアソン括弧積 / シンプレクテック構造 / MAXIMAL ESTIMATE / DYADIC DERIVATIVE / CESARO MEANS / ATOM DECOMPOSITION / RESOV SPACE / DYADIC GROUP / 極大チェザロ和 / チェザロ核 / 微分 / 極大評価 / 2進微分 / チェザロ平均 / ベゾフ空間 / 2進群 / Godbillon-Vey class / 葉層構造 Less

領域形状推定逆問題に対する MCMC 法の研究Principal Investigator
- Principal Investigator
  
  河上肇
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60020:Mathematical informatics-related
- Research Institution
  Akita University
Research on estimation of the shape of unknown portions of a domain varying with time and on algorithms for reconstruction of the shapePrincipal Investigator
- Principal Investigator
  
  KAWAKAMI Hajime
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Akita University
Research on an estimation problem for the shape of time-varying domain via parabolic equationsPrincipal Investigator
- Principal Investigator
  
  KAWAKAMI Hajime
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Akita University
Investigation of Inverse Problems for the Heat equation Based on the Theory of Stochastic Control
- Principal Investigator
  
  TSUCHIYA Masaaki
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kanazawa University
An estimation problem for the shape of a domain via diffusion equationsPrincipal Investigator
- Principal Investigator
  
  KAWAKAMI Hajime
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Akita University
Studies on Poissonization of Nambu-Jacobi structures
- Principal Investigator
  
  MIKAMI Kentaro
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Akita University
Differential Equations on Manifolds and Their SingularitiesPrincipal Investigator
- Principal Investigator
  
  KAWAKAMI Hajime
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Akita University
An anlytic approach to diffusion processes with second order Ventsel's boundary conditions and its applications
- Principal Investigator
  
  TSUCHIYA Masaaki
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kanazawa University
Self-similarity of Poisson structures
- Principal Investigator
  
  MIKAMI Kentaro
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Akita University
Perturbation of domain of diffusion processes with boundary conditions and its application to the boundary value problem
- Principal Investigator
  
  TSUCHIYA Masaaki
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kanazawa University
FOURIER ANALYSIS ON THE DYADIC BESOV SPACE.
- Principal Investigator
  
  TATEOKA Atsushi
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  AKITA UNIVERSITY
ポアソン葉層構造の研究
- Principal Investigator
  
  MIKAMI Kentaro
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Akita University
多様体上の熱方程式Principal Investigator
- Principal Investigator
  
  河上肇
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geometry
- Research Institution
  Akita University

All 2023 2011 2010 2008 2007 2006 2005

All Journal Article Presentation

[Journal Article] Doob’s consistency of a non-Bayesian updating process2023
- Author(s)
  Hajime Kawakami
- Journal Title
  
  Statistics and Probability Letters
  
  Volume: 203 Pages: 109921-109921
- DOI
  10.1016/j.spl.2023.109921
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K11916
[Journal Article] Uniqueness in shape identification of a time-varying domain and related parabolic equations on non-cylin-drical domains2011
- Author(s)
  Hajime Kawakami and Masaaki Tsuchiya
- Journal Title
  
  Inverse Problems
  
  Volume: vol.26(125007) Pages: 34-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540160
[Journal Article] Uniqueness in shape identification of a time-varying domain andrelated parabolic equations on non-cylindrical domains2010
- Author(s)
  Hajime Kawakami, Masaaki Tsuchiya
- Journal Title
  
  Inverse Problems
  
  Volume: 26 Pages: 125007-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540160
[Journal Article] An estimation problem for the shape of a domain varying with time via parabollc equations2007
- Author(s)
  Hajime Kawakami 他
- Journal Title
  
  Inverse Problem 23
  
  Pages: 755-783
- Data Source
  KAKENHI-PROJECT-18540155
[Journal Article] An estimation problem for the shape of a domain varying with time via parabolic equations2007
- Author(s)
  Hajime Kawakami, Yosuke Moriyama and Masaaki Tsuchiya
- Journal Title
  
  Inverse Problems 23
  
  Pages: 755-783
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540155
[Journal Article] An estination problem for the shape of a domain varying with time viaparablic equations2007
- Author(s)
  Hajime, Kawakami, Yosuke, Moriyama, Masaaki, Tsuchiya
- Journal Title
  
  Inverse Problems 23
  
  Pages: 755-783
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540155
[Journal Article] An estimation problem for the shape of a domain via parabolic equations2005
- Author(s)
  Hajime Kawakami, Yosuke Moriyama, Masaaki Tsuchiya
- Journal Title
  
  Hokkaido University Technical Report Series in Mathematics 98
  
  Pages: 29-38
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540100
[Journal Article] An estimation problem for the shape of a domain via parabolic equations2005
- Author(s)
  Hajime Kawakami, Yosuke Moriyama, Masaaki Tsuchiya
- Journal Title
  
  Hokkaido University Technical Report Series In Mathematics 98
  
  Pages: 29-38
- Data Source
  KAKENHI-PROJECT-16540100
[Presentation] 時間的変動を許した領域の形状の温度データによる同定問題の一意性について2010
- Author(s)
  河上肇, 土谷正明
- Organizer
  日本数学会2010年度年会
- Place of Presentation
  慶応義塾大学(神奈川県)
- Year and Date
  2010-03-26
- Data Source
  KAKENHI-PROJECT-21540160
[Presentation] 温度データによる、時間的に変動する領域の境界形状の同定の一意性について2010
- Author(s)
  河上肇, 土谷正明
- Organizer
  研究集会「偏微分方程式の逆問題解析とその周辺分野に関する研究」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2010-06-22
- Data Source
  KAKENHI-PROJECT-21540160
[Presentation] 時間的変動を許した領域の形状の温度データによる同定問題の一意性について2010
- Author(s)
  河上肇, 土谷正明
- Organizer
  日本数学会2010年度年会
- Place of Presentation
  慶応義塾大学
- Year and Date
  2010-03-26
- Data Source
  KAKENHI-PROJECT-21540160
[Presentation] 時空変形する領域の形状に対する放物型方程式に基づく推定問題2008
- Author(s)
  河上肇・土谷正明
- Organizer
  日本数学会 2008 年度年会
- Place of Presentation
  近畿大学
- Year and Date
  2008-03-25
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540155
[Presentation] 時空変形する領域の形状に対する放物型方程式に基づく推定問題2008
- Author(s)
  河上肇, 土谷正明
- Organizer
  日本数学会 2008年度年会
- Place of Presentation
  近畿大学
- Year and Date
  2008-03-25
- Data Source
  KAKENHI-PROJECT-18540155
[Presentation] Estimation problem for the shape of a time-varying domain based on parabolic equations2008
- Author(s)
  Hajime Kawakami and Masaaki Tsuchiya
- Organizer
  Annual Meeting of the Mathematical Society of Japan
- Place of Presentation
  Kinki University
- Year and Date
  2008-03-25
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540155
[Presentation] Estimation problem for the shape of a domain based on parabolic equations2006
- Author(s)
  Hajime Kawakami, Yosuke Moriyama and Masaaki Tsuchiya
- Organizer
  Inverse Problems in Applied Sciences-towards breakthrough
- Place of Presentation
  Hokkaido University
- Year and Date
  2006-07-05
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540155
[Presentation] Estimation problem for the shape of a domain based on parabolicequations2006
- Author(s)
  Hajime, Kawakami, Yosuke, Moriyama, Masaaki, Tsuchiya
- Organizer
  Inverse Problems in Applied Sciences-towards breakthrough-
- Place of Presentation
  北海道大学
- Year and Date
  2006-07-05
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540155

1. TSUCHIYA Masaaki (50016101)

# of Collaborated Projects: 6 results

# of Collaborated Products: 14 results
2. MIKAMI Kentaro (70006592)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
3. SAKA Koichi (20006597)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
4. KOBAYASHI Mahito (10261645)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
5. TATEOKA Atsushi (40006565)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. UNO Chikara (20282155)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. KANJIN Yuichi (50091674)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
8. FUKUHARA Kenzo (00006561)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. UDA Toshio (20006589)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. ITO Hideji (70091783)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. NARITA Fumio (30042310)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. OGAWA Shigeyoshi (80101137)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. KANAGWA Syuya (50185899)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. TORISU Ichiro (50323134)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. FUJISAKI Masatoshi (20047492)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. FUJISAKI Hiroshi (80304757)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

KAWAKAMI Hajime 河上 肇

河上 肇 カワカミ ハジメ

Research Projects

Research Products

Co-Researchers

領域形状推定逆問題に対する MCMC 法の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Research on estimation of the shape of unknown portions of a domain varying with time and on algorithms for reconstruction of the shapePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Research on an estimation problem for the shape of time-varying domain via parabolic equationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Investigation of Inverse Problems for the Heat equation Based on the Theory of Stochastic Control

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

An estimation problem for the shape of a domain via diffusion equationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Studies on Poissonization of Nambu-Jacobi structures

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Differential Equations on Manifolds and Their SingularitiesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

An anlytic approach to diffusion processes with second order Ventsel's boundary conditions and its applications

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Self-similarity of Poisson structures

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Perturbation of domain of diffusion processes with boundary conditions and its application to the boundary value problem

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

FOURIER ANALYSIS ON THE DYADIC BESOV SPACE.

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

ポアソン葉層構造の研究

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

多様体上の熱方程式Principal Investigator

Principal Investigator

Project Period (FY)

KAWAKAMI Hajime 河上肇

河上肇カワカミハジメ