HURUYA Tadashi 古谷正

… Alternative Names

古谷正フルヤタダシ

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Researcher Number	90018648
Affiliation (based on the past Project Information) *help	2006: Niigata University, Institute of Social Science and Education, Professor, 教育科学系, 教授 2005 – 2006: 新潟大学, 人文社会・教育科学系, 教授 1998 – 2004: 新潟大学, 教育人間科学部, 教授 1993 – 1995: 新潟大学, 教育学部, 教授
Review Section/Research Field	Except Principal Investigator Basic analysis / Geometry / Basic analysis / General mathematics (including Probability theory/Statistical mathematics)
Keywords	Except Principal Investigator invariant subspace / singular inner function / 有界解析関数環 / 不変部分空間 / 特異内部関数 / polar decomposition / Aluthge transform / hyponormal operator / Shannon inequality / operator inequality … More / principal function / trace formula / Hilbert space / composition operator / 合成作用素 / Blaschke product / maximal ideal space / 閉イデアル / グリースン部分 / ブラシュケ積 / 極大イデアル空間 / 解析関数空間 / 多様体 / commutative Banach algebra / bounded analytic functions / Hardy space / backward shift invariant subspace / analytic function space / 内部関数 / テープリッツ作用素 / バーグマン空間 / ハーディ空間 / 荷重解析関数空間 / トラース公式 / 可換バナッハ環 / ハーデイ空間 / 逆不変部分空間 / trace / n-tuple / hyponormal / joint spectrum / operator / Gleason Pant / closed ideal / Space of analytic functions / 等長作用素 / 外部関数 / アメリカ : アルゼンチン : 中国 / アメリカ:中国 / 国際研究者交流 / 合成作甲素 / 有界解析関数空間 / Korovkin type theorem / Gleason part / bounded analytic function / Spaces of analytic functions / コロフキンの定理 / BKW作用案 / バナッハ環 / ダグラス環 / コロフキン型定理 / 有界解析関数 / シークエント計算 / カット除去 / 部分式特性 / 様相論理 / 群 / 数学基礎論 / 解析学 / 代数学 / 幾何学 / HNN分解 / Seifert膜 / 結び目 / 基本群 / 無限群 Less

Studies of the structure of operators on analytic function spaces and their invariant subspaces
- Principal Investigator
  
  IZUCHI Keiji
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  Niigata University
Research of operator inequality and spectrum using computer
- Principal Investigator
  
  CHO Muneo
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Kanagawa University
Structure of ideals in the space of bounded analytic functions and operator theory
- Principal Investigator
  
  IZUCHI Keiji
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  NIIGATA UNIVERSITY
Research on families of functions determining structures of spaces of analytic functions
- Principal Investigator
  
  IZUCHI Keiji
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  Basic analysis
- Research Institution
  NIIGATA UNIVERSITY
様相論理の部分式特性とその応用
- Principal Investigator
  
  高野道夫
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Niigata University
幾何学における代数的,解析的並びに情報論的方法
- Principal Investigator
  
  垣水修
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Niigata University
無限群と多様体
- Principal Investigator
  
  垣水修
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Niigata University

All 2005 2004

All Journal Article

[Journal Article] Relations between principal functions of p-hyponormal operators2005
- Author(s)
  長宗雄, 古谷正
- Journal Title
  
  J.Math.Soc.Japan 57
  
  Pages: 605-618
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540190
[Journal Article] Relations between principal functions of p-hyponormal operators2005
- Author(s)
  M.Cho, T.Huruya
- Journal Title
  
  J.Math.Soc.Japan Vol.57
  
  Pages: 605-618
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540190
[Journal Article] Mosaic and principal functions of log-hyponormal operators2004
- Author(s)
  長宗雄, 古谷正, 山崎文明
- Journal Title
  
  Integr.Equat.Oper.Th. 48
  
  Pages: 295-304
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540190
[Journal Article] Mosaic, and principal functions of log-hyponormal operators2004
- Author(s)
  長宗雄, 古谷正, 山崎丈明
- Journal Title
  
  Integr.Equat.Oper.Th. 48
  
  Pages: 295-304
- Data Source
  KAKENHI-PROJECT-14540190
[Journal Article] Mosaic and principal functions of log-hyponormal operators2004
- Author(s)
  M.Cho, T.Huruya, T.Yamazaki
- Journal Title
  
  Integr.Equat.Oper.Th. Vol.48
  
  Pages: 295-304
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540190
[Journal Article] Trace formulae of p-hyponormal operators2004
- Author(s)
  長宗雄, 古谷正
- Journal Title
  
  Studia Math. 161
  
  Pages: 1-18
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540190
[Journal Article] Trace formulae of p-hyponormal operators2004
- Author(s)
  M.Cho, T.Huruya
- Journal Title
  
  Studia Math Vol.161
  
  Pages: 1-18
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14540190

1. IZUCHI Keiji (80120963)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. HATORI Osamu (70156363)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
3. HAYASHI Mikihiro (40007828)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
4. 垣水修 (80211150)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. 高野道夫 (70126423)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. SAITO Kichi-suke (30018949)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. TANAKA Jun-ichi (60124864)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. MATSUGU Yasuo (60020682)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. TAKAGI Hiroyuki (20206725)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. CHO Muneo (10091620)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
11. FURUTA Takayuki (40007612)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. YAMAZAKI Takeaki (60333150)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
13. NAKAZI Takahiko (30002174)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. OHNO Syuichi (20265367)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 長谷川敬三 (00208480)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 鈴木保高 (40007167)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 吉岡智晃 (80018217)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 中路貴彦 (10488611)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

HURUYA Tadashi 古谷 正

古谷 正 フルヤ タダシ

Research Projects

Research Products

Co-Researchers

Studies of the structure of operators on analytic function spaces and their invariant subspaces

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Research of operator inequality and spectrum using computer

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Structure of ideals in the space of bounded analytic functions and operator theory

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Research on families of functions determining structures of spaces of analytic functions

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

様相論理の部分式特性とその応用

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

幾何学における代数的,解析的並びに情報論的方法

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

無限群と多様体

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Relations between principal functions of p-hyponormal operators2005

Author(s)

Journal Title

Description

Data Source

[Journal Article] Relations between principal functions of p-hyponormal operators2005

Author(s)

Journal Title

Description

Data Source

[Journal Article] Mosaic and principal functions of log-hyponormal operators2004

Author(s)

Journal Title

Description

Data Source

[Journal Article] Mosaic, and principal functions of log-hyponormal operators2004

Author(s)

Journal Title

Data Source

[Journal Article] Mosaic and principal functions of log-hyponormal operators2004

Author(s)

Journal Title

Description

Data Source

[Journal Article] Trace formulae of p-hyponormal operators2004

Author(s)

Journal Title

Description

Data Source

[Journal Article] Trace formulae of p-hyponormal operators2004

Author(s)

Journal Title

Description

HURUYA Tadashi 古谷正

古谷正フルヤタダシ