Ikegami Tsutomu 池上努

… Alternative Names

池上努イケガミツトム

IKEGAMI Tsutomu 池上努

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Researcher Number	80245612
Affiliation (Current)	2025: 国立研究開発法人産業技術総合研究所, 材料・化学領域, 主任研究員
Affiliation (based on the past Project Information) *help	2020 – 2022: 国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 主任研究員 2015 – 2016: 国立研究開発法人産業技術総合研究所, 情報技術研究部門, 研究員 2013 – 2014: 独立行政法人産業技術総合研究所, 情報技術研究部門, 研究員 2011: 独立法人産業技術総合研究所, 情報技術研究部門, 主任研究員 2009 – 2010: 独立法人産業技術総合研究所, 計算科学研究部門, 研究員 1994 – 1999: INSTITUTE FOR MOILECUALR SCIENCE OKAZAKI NATIONAL RESEARCH INSTITUTES RESEARCH ;, 分子科学研究所, 助手 1993: 慶應義塾大学, 理工学部, 助手
Review Section/Research Field	Principal Investigator Physical chemistry Except Principal Investigator Physical chemistry / Basic Section 60070:Information security-related / Science and Engineering / Computational science / Engineering fundamentals
Keywords	Principal Investigator DIM法 / アルゴンクラスター / 関数補間 / 時間発展 / フーリエ変換 / スプライン関数 / 量子波束 / 反応経路 / Gradient Extremal Path / 遷移状態 … More / 構造最適化 / 溶媒効果 / 分子動力学計算 / 吸収スペクトル … More Except Principal Investigator 理論化学 / 計算化学 / 基盤ソフトウェア / 格子ふるい / 格子点列挙 / 格子基底簡約 / 格子暗号 / perturbation theory / basis set superposition error / hydrocarbon / hydroxyl radical / group 1 metal atom / water cluster anion / vibration rotation spectra / carbon monoxide / 揮発性有機化合物 / 大気化学 / 遷移確率 / 水和クラスター / オキソニウム / 一酸化窒素 / イソプレン / 飽和炭化水素 / 量子化学計算 / 摂動論 / 基底関数欠損 / 炭化水素 / ヒドロキシラジカル / 1族金属イオン / 水クラスター負イオン / 振動回転スペクトル / 一酸化炭素 / Photoelectron Spectrum / Water Clusters / Molecular Clusters / Quantum Chemistry / Computational Chemistry / 水クラスター錯体 / 分子クラスター / 化学反応理論 / reacton in clusters / water cluster / photoelectron spectroscopy / many-electron theory / metal cluster / 励起状態 / クラスター内反応 / 水クラスター / 光電子スペクトル / 多電子理論 / 金属クラスター / 非線型固有値問題 / 非線形固有値問題 / 大規模計算 / 高性能計算 / アルゴリズム / 次世代シミュレーション / 基盤ソフトウエア / 固有値解析 / シミュレーション工学 Less

Efficient Lattice Basis Reduction with Sieving and Enumeration
- Principal Investigator
  
  Teruya Tadanori
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Development of an advanced method for nonlinear eigenvalue problems and its applications
- Principal Investigator
  
  SAKURAI Tetsuya
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Computational science
- Research Institution
  University of Tsukuba
Development and Application of a Method for Generalized Eigenvalue
- Principal Investigator
  
  SAKURAI Tetsuya
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Engineering fundamentals
- Research Institution
  University of Tsukuba
Theoretical Chemistry of Molecular Processes in Atmospheric Environment
- Principal Investigator
  
  IWATA Suehiro
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas (A)
- Review Section
  
  Science and Engineering
- Research Institution
  National Institution for Academic Degrees
  Hiroshima University
  Okazaki National Research Institutes
Molecular Spectroscopy and Chemical Reactions of Molecular Clusters : Computational Studies
- Principal Investigator
  
  IWATA Suehiro
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Physical chemistry
- Research Institution
  OKAZAKI NATIONAL RESEARCH INSTITUTES
アルゴンクラスターイオンの光解離動力学Principal Investigator
- Principal Investigator
  
  池上努
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Okazaki National Research Institutes
量子波束の時間発展問題に対するスプライン関数の応用Principal Investigator
- Principal Investigator
  
  池上努
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Physical chemistry
- Research Institution
  Okazaki National Research Institutes
アルゴンクラスターイオンの光解離動力学Principal Investigator
- Principal Investigator
  
  池上努
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Okazaki National Research Institutes
Theoretical Studies of Electronic Structure of Metal Clusters
- Principal Investigator
  
  IWATA Suehiro
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  Physical chemistry
- Research Institution
  OKAZAKI NATIONAL RESEARCH INSTITUTES
  Keio University

All 2011 2010 2009 Other

All Journal Article Presentation

[Journal Article] A parallel eigensolver using contour integration for generalized eigenvalue problems in molecular simulation2010
- Author(s)
  T. Sakurai, H. Tadano, T. Ikegami, U. Nagashima
- Journal Title
  
  Taiwanese J. Math
  
  Volume: Vol.14 Pages: 855-867
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] Afilter diagonalization for generalized eigenvalue problems based on the Sakurai-Sugiura projection method2010
- Author(s)
  T.Ikegami, T.Sakurai, U.Nagashima
- Journal Title
  
  J.Comput.Appl.Math.
  
  Volume: 233 Pages: 1927-1936
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] A filter diagonalization for generalized eigenvalue problems based on the Sakurai-Sugiura projection method2010
- Author(s)
  T. Ikegami, T. Sakurai, U. Nagashima
- Journal Title
  
  J. Comput, Appl. Math
  
  Volume: Vol.233 Pages: 1927-1936
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] Parallel Fock matrix construction with distributed shared memory model for the FMO-MO method2010
- Author(s)
  H.Umeda, Y.Inadomi, T.Watanabe, T.Uagi, T.Ishimoto, T.Ikegami, H.Tadano, T.Sakurai, U.Nagashima
- Journal Title
  
  J.Comput.Chem.
  
  Volume: 31 Pages: 2381-2388
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] A numerical method for polynomial eigenvalue problems using contour integral2010
- Author(s)
  J. Asakura, T. Sakurai, H. Tadano, T. Ikegami, K. Kimura
- Journal Title
  
  Japan J. Indust. Appl. Math
  
  Volume: Vol.27 Pages: 73-90
- NAID
  10027314545
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] Parallel Fock matrix construction with distributed shared memory model for the FMO-MO method2010
- Author(s)
  H. Umeda, Y. Inadomi, T. Watanabe, T. Uagi, T. Ishimoto, T. Ikegami, H. Tadano, T. Sakurai, U. Nagashima
- Journal Title
  
  J. Comput. Chem
  
  Volume: Vol.31 Pages: 2381-2388
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] Contour integral eigensolver for non-Hermitian systems : a Rayleigh-Ritz-type approach2010
- Author(s)
  T. Ikegami, T. Sakurai
- Journal Title
  
  Taiwanese J. Math
  
  Volume: Vol. 14 Pages: 825-837
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] A numerical method for polynomial eigenvalue problems using contour integral2010
- Author(s)
  J.Asakura, T.Sakurai, H.Tadano, T.Ikegami, K.Kimura
- Journal Title
  
  Japan J.Indust.Appl.Math.
  
  Volume: 27 Pages: 73-90
- NAID
  10027314545
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] A method for finding zeros of polynomial equations using a contour integral based eigensolver2009
- Author(s)
  T.Sakurai, J.Asakura, H.Tadano, T.Ikegami, K.Kimura
- Journal Title
  
  Proc.Symbolic Numeric Computations SNC2009
  
  Pages: 143-147
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] A numerical method for nonlinear eigenvalue problems using contour in tegrals2009
- Author(s)
  J.Asakura, T.Sakurai, H.Tadano, T.Ikegami, K.Kimura
- Journal Title
  
  JSIAM Letters
  
  Volume: 1 Pages: 52-55
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] A numerical method for nonlinear eigenvalue problems using contour integrals2009
- Author(s)
  J. Asakura, T. Sakurai, H. Tadano, T. Ikegami, K. Kimura
- Journal Title
  
  JSIAM Letters
  
  Volume: Vol.1 Pages: 52-55
- NAID
  130000133092
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] Error analysis for a matrix pencil of Hankel matrices with perturbed complex moments2009
- Author(s)
  T. Sakurai, J. Asakura, H. Tadano, T. Ikegami
- Journal Title
  
  JSIAM Letters
  
  Volume: Vol.1 Pages: 76-79
- NAID
  130000150332
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] Error analysis for a matrix pencil of Hankel matrices with perturbed complex moments2009
- Author(s)
  T.Sakurai, J.Asakura, H.Tadano, T.Ikegami
- Journal Title
  
  JSIAM Letters
  
  Volume: 1 Pages: 76-79
- NAID
  130000150332
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Journal Article] Performance comparison of parallel eigensolvers based on a contour integral method and a Lanczos method
- Author(s)
  I. Yamazaki, T. Ikegami, H. Tadano, T. Sakurai
- Journal Title
  
  Parallel Computing
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21246018
[Presentation] An interpolatory parallel method for large-scale nonlinear eigenvalue problems2011
- Author(s)
  T.Sakurai, H.Tadano, T.Ikegami, I.Yamazaki
- Organizer
  2011 SIAM Conference on Computational Science and Engineering
- Place of Presentation
  Reno, USA
- Year and Date
  2011-03-04
- Data Source
  KAKENHI-PROJECT-21246018
[Presentation] 大規模疎行列に対する補間型固有値解法2010
- Author(s)
  櫻井鉄也, 多田野寛人, 池上努
- Organizer
  科学技術計算アルゴリズムの数理的基盤と展開
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2010-10-20
- Data Source
  KAKENHI-PROJECT-21246018
[Presentation] A comparative study of parallel generalized eigenvalue solvers with an application to accelerator cavity design2010
- Author(s)
  T.Sakurai, H.Tadano, T.Ikegami, I.Yamazaki
- Organizer
  SIAM Conference on Parallel Processing for Scientific Computing
- Place of Presentation
  Seattle, U.S.A.
- Year and Date
  2010-02-25
- Data Source
  KAKENHI-PROJECT-21246018
[Presentation] Ahierarchical parallel eigenvalue solver:parallelism on top of multicore linear solvers2010
- Author(s)
  T.Sakurai, H.Tadano, T.Ikegami
- Organizer
  6th International Workshop on Parallel Matrix Algorithms and Applications
- Place of Presentation
  Basel, Switzerland
- Year and Date
  2010-07-01
- Data Source
  KAKENHI-PROJECT-21246018
[Presentation] Spectral Projectorに基づく非線形固有値問題の解法2009
- Author(s)
  櫻井鉄也, 朝倉順子, 多田野寛人, 池上努, 木村欣司
- Organizer
  日本応用数理学会2009年度年会
- Place of Presentation
  大阪大学(大阪)
- Year and Date
  2009-09-28
- Data Source
  KAKENHI-PROJECT-21246018
[Presentation] 大規模分子軌道計算のための並列対角化手法2009
- Author(s)
  飯塚直之, 渡邊寿雄, 梅田宏明, 稲富雄一, 多田野寛人, 池上努, 櫻井鉄也, 長嶋雲兵
- Organizer
  日本応用数理学会2009年度年会
- Place of Presentation
  大阪大学(大阪)
- Year and Date
  2009-09-28
- Data Source
  KAKENHI-PROJECT-21246018
[Presentation] A method for finding zeros of polynomial equations using a contour integral based eigensolver2009
- Author(s)
  T.Sakurai, J.Asakura, H.Tadano, T.Ikegami, K.Kimura
- Organizer
  Symbolic Numeric Computation 2009
- Place of Presentation
  Coop-Inn Kyoto Hotel, Kyoto
- Year and Date
  2009-08-04
- Data Source
  KAKENHI-PROJECT-21246018
[Presentation] A hierarchical parallel method for folving nonlinear eigenvalue problems2009
- Author(s)
  T.Sakurai, J.Asakura, H.Tadano, T.Ikegami, K.Kimura
- Organizer
  SIAM Conference on Applied Linear Algebra 2009
- Place of Presentation
  Embassy Suites Monterey Bay-Seaside, Monterey, California, U.S.A.
- Year and Date
  2009-10-28
- Data Source
  KAKENHI-PROJECT-21246018
[Presentation] A hierarchical parallel eigensolver for large-scale scientific computing2009
- Author(s)
  T.Sakurai, H.Tadano, T.Ikegami, T.Watanabe, H.U., U.Nagashima
- Organizer
  International Symposium of Electronic Structure Calculations
- Place of Presentation
  University of Tokyo, Tokyo
- Year and Date
  2009-12-07
- Data Source
  KAKENHI-PROJECT-21246018

1. IWATA Suehiro (20087505)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
2. SAKURAI Tetsuya (60187086)

# of Collaborated Projects: 2 results

# of Collaborated Products: 23 results
3. TADANO Hiroto (50507845)

# of Collaborated Projects: 2 results

# of Collaborated Products: 20 results
4. KITAGAWA Takashi (60153095)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. SASAKI Tateaki (80087436)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. NAGASHIMA Unpei (90164417)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
7. TACHIKAWA Masanori (00267410)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. NANBU Shinko (00249955)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. TAKAMI Toshiya (10270472)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. AOYAGI Mutsumi (00260026)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. TEN-NO Seiichiro (00270471)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. SAITO Ko (00033853)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. Teruya Tadanori (20636972)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 今倉暁 (60610045)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 松田源立 (40433700)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 柏原賢二 (70282514)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. FUTAMURA Yasunori

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. MAEDA Yasuyuki

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. CHEN Hongjia

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Ikegami Tsutomu 池上 努

池上 努 イケガミ ツトム

IKEGAMI Tsutomu 池上 努

Research Projects

Research Products

Co-Researchers

Efficient Lattice Basis Reduction with Sieving and Enumeration

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of an advanced method for nonlinear eigenvalue problems and its applications

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Development and Application of a Method for Generalized Eigenvalue

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Theoretical Chemistry of Molecular Processes in Atmospheric Environment

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Molecular Spectroscopy and Chemical Reactions of Molecular Clusters : Computational Studies

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

アルゴンクラスターイオンの光解離動力学Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Institution

量子波束の時間発展問題に対するスプライン関数の応用Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

アルゴンクラスターイオンの光解離動力学Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Institution

Theoretical Studies of Electronic Structure of Metal Clusters

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] A parallel eigensolver using contour integration for generalized eigenvalue problems in molecular simulation2010

Author(s)

Journal Title

Data Source

[Journal Article] Afilter diagonalization for generalized eigenvalue problems based on the Sakurai-Sugiura projection method2010

Author(s)

Journal Title

Data Source

[Journal Article] A filter diagonalization for generalized eigenvalue problems based on the Sakurai-Sugiura projection method2010

Author(s)

Journal Title

Data Source

[Journal Article] Parallel Fock matrix construction with distributed shared memory model for the FMO-MO method2010

Author(s)

Journal Title

Data Source

[Journal Article] A numerical method for polynomial eigenvalue problems using contour integral2010

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Parallel Fock matrix construction with distributed shared memory model for the FMO-MO method2010

Ikegami Tsutomu 池上努

池上努イケガミツトム

IKEGAMI Tsutomu 池上努