NISHIMURA Jun-ichi 西村純一

Researcher Number	00025488
Other IDs
Affiliation (based on the past Project Information) *help	2003 – 2009: 大阪電気通信大学, 工学部, 教授 1995 – 2000: 北海道教育大学, 教育学部・札幌校, 助教授 1998 – 1999: Sapporo College, Assistant Professor, 教育学部札幌校, 助教授 1994: 北海道教育大学, 教育学部・旭川校, 助教授 1993: Hokkaido University of Education. Sappro College. Asociate Professor, 教育学部・札幌校, 助教授 1991 – 1992: 京都大学, 理学部, 助手
Review Section/Research Field	Principal Investigator Algebra / Algebra / 代数学・幾何学 Except Principal Investigator 解析学 / Algebra / Global analysis / Basic analysis
Keywords	Principal Investigator Frobenius写像 / Big Cohen-Macaulay加群 / ホモロジー予想 / ネター局所環 / 完備局所環 / Frobenius map / Noetherian local ring / Witt表現 / Artin近似定理 / 完備局所環の構造定理 … More / パラメーター系 / approximation theorem / Witt expression / monomial conjecture / Homological Conjectures / system of parameters / big Cohen-Macaulay module / パラメータ系 / 標数 / 単項予想 / ネータ局所環 / Structure theorem of complete local rings / big Cohen-Macaulay modules / Witt ring / Bertini Theorem / p-adic representation / Homological conjectures / Witt環 / p進展開 / Witt定理 / Bertini定理 / excellent ring / Nagata ring / derived normal ring / factorial domain / universally catenaty / catenary / local ring / Noetherian ring / パラメ-タ-系 / (素)イデアル / 完備化(完備局所環) / ネタ-局所環 / 素イデアル / 解析的被約 / 整閉整域 / 強鎖状 / 鎖状 / エクセレント環 / 永田環 / 整閉包 / 素元分解整域 / 強鎖状(環) / 鎖状(環) / 局所環 / ネター環 / 交叉予想 / Tight Closure / Tight closure / 有限生成加群 / 環論 / Kaehler多様体 / Spencer cohomology / association scheme / 代数的組み合わせ論 / Groebner基底 … More Except Principal Investigator Approximant / rank reducing / Square root of matrix / Spectrum / Numerical radius / Numerical range / ブルエ予想 / Viscous shock profile / undercompressive shock wave / overcompressive shock wave / entropy condition / gas dynamics / shock waves / conservation laws / 零解 / 漸近安定性 / 粘性進行波 / Riemann問題 / 保存則 / 双曲系 / 粘性衝撃波 / 不足圧縮衝撃波 / 過圧縮衝撃波 / エントロピー条件 / 気体力学 / 衝撃波 / 保存則系 / Broue's Conjecture / Relative Projective Covers / Tilting Complexes / Block Algebras / Represenrations of Finite Groups / 相対射影被覆 / 傾斜複体 / ブロック多元環 / 有限群の表現論 / Trace / numerical range / Golden-Thompson inequality / Majorization / positive semidefinite / Spectral norm / Operator radius / trace / DERIVED EQUIVALENCES / BROUES CONJECTURE / BLOCK THEORY / MODULAR REPRESENTATION / FINITE GROUPS / 導来同値 / ブロック理論 / モジュラー表現 / 有限群 / Holder type inequality / Schur product / operator radius / unitary rho dilation / 作用素ノルム / 数域半径 / 有界線形作用素 / ヒルベルト空間 / Holder型不等式 / Ho^<・・>lder型不等式 / Schur積 / 作用素半径 / ユニタリρ拡大 / minimally thin / fine topology / Kuramochi boundary / Kuramochi compacitification / Martin boundary / Martin compactification / Riemann surface / integrand representation / Fenchel-Moreau theorem / convex integrand / convex operator Less

Study of Noetherian local rings in commutative algebraPrincipal Investigator
- Principal Investigator
  
  NISHIMURA Jun-ichi
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Osaka Electro-Communication University
Study on Noetherian Local Rings in Commutative AlgebraPrincipal Investigator
- Principal Investigator
  
  NISHIMURA Jun-ichi
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Osaka Electro-Communication University
Existence and Stability of Non-classical Weak Solutions to Hyperbolic Conservation Laws
- Principal Investigator
  
  ASAKURA Fumioki
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Global analysis
- Research Institution
  Osaka-Electro Communication University
Constructions of Tilting Complexes and Relative Projective Covers in Representation Theory
- Principal Investigator
  
  OKUYAMA Tetsuro
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  HOKKAIDO UNIVERSITY OF EDUCATION
Research of Norm Inequalities on Matices Algebra
- Principal Investigator
  
  OKUBO Kazuyoshi
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  HOKKAIDO UNIVERSITY OF EDUCATION
A Study on Broue's Conjecture in Representation Theory of Finite Groups
- Principal Investigator
  
  OKUYAMA Tetsuro
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Hokkaido University of Education
STUDY OF NOETHERIAN LOCAL RINGS IN COMMUTAIVE ALGEBRAPrincipal Investigator
- Principal Investigator
  
  NISHIMURA Jun-ichi
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Hokkaido University of Education
Research of inequalities of matrix algebra using analytic method
- Principal Investigator
  
  OSADA Masayuki, 大久保和義
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  HOKKAIDO UNIVERSITY OF EDUCATION
複素平面上の単位円内のfine topologyについての研究
- Principal Investigator
  
  OSADA Masayuki
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Hokkaido University of Education
可換代数学に於けるネタ-局所環の研究Principal Investigator
- Principal Investigator
  
  西村純一
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Hokkaido University of Education
凸インテグランドによる凸作用素の表現の研究
- Principal Investigator
  
  KOMURO Naoto
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Hokkaido University of Education
Study of Noetherian Local Rings in Commutative AlgebraPrincipal Investigator
- Principal Investigator
  
  NISHIMURA Jun-ichi
- Project Period (FY)
  1991 – 1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  HOKKAIDO UNIVERSITY OF EDUCATION
  Kyoto University

All 2009 2008 2005 2004 Other

All Journal Article Presentation

[Journal Article] A part of works of Professor Masayoshi Nagata2009
- Author(s)
  Jun-ichi Nishimura
- Journal Title
  
  第30回可換環論シンポジウム報告集 30巻
  
  Pages: 37-47
- Data Source
  KAKENHI-PROJECT-19540060
[Journal Article] A Part of works of Professor Masayoshi Nagata2009
- Author(s)
  Jun-ichi Nishimura
- Journal Title
  
  第30回可換環論シンポジウム報告集 30
  
  Pages: 37-47
- Data Source
  KAKENHI-PROJECT-19540060
[Journal Article] A part of works of Professor Masayoshi Nagata2009
- Author(s)
  Jun-ichi Nishimura
- Journal Title
  
  第30回可換環論シンポジウム報告集 30
  
  Pages: 37-47
- Data Source
  KAKENHI-PROJECT-19540060
[Journal Article] The structure theorem of complete local rings and its application2005
- Author(s)
  Jun-ichi Nishimura
- Journal Title
  
  第26回可換環論シンポジウム報告集
  
  Pages: 150-157
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540047
[Journal Article] The structure theorem of complete local rings and its application2005
- Author(s)
  Jun-ichi Nishimura
- Journal Title
  
  Proceedings of 26^<th> Symposium on Commutative Algebra
  
  Pages: 150-157
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540047
[Journal Article] 完備局所環の構造定理とその応用2004
- Author(s)
  西村純一
- Journal Title
  
  可換代数と代数幾何学at高知報告集
  
  Pages: 45-48
- Data Source
  KAKENHI-PROJECT-16540047
[Journal Article] The structure theorem of complete local rings and its application2004
- Author(s)
  Jun-ichi Nishimura
- Journal Title
  
  Proceedings of Commutative Algebra and Algebraic Geometry at Kochi
  
  Pages: 45-48
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540047
[Journal Article] 完備局所環の構造定理とその応用2004
- Author(s)
  西村純一
- Journal Title
  
  可換代数と代数幾何学 at 高知報告集
  
  Pages: 45-48
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540047
[Journal Article] A Few Examples of Local rings
- Author(s)
  Jun-ichi Nishimura
- Journal Title
  
  II, Kyoto Journal of Mathematics (to appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540060
[Journal Article] A Few Examples of Local rings
- Author(s)
  Jun-ichi Nishimura
- Journal Title
  
  I, Kyoto Journal of Mathematics (to appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540060
[Journal Article] A Few Examples of Local rings, I
- Author(s)
  Jun-ichi Nishimura
- Journal Title
  
  J.Math, Kyoto Univ. (to appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540060
[Presentation] 故永田雅宜先生の業績2008
- Author(s)
  西村純一
- Organizer
  第30回可換環論シンポジウム
- Place of Presentation
  国民宿舎虹ノ松原ホテル
- Year and Date
  2008-11-19
- Data Source
  KAKENHI-PROJECT-19540060

1. SAKURADA Kuninori (30002463)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
2. OKUBO Kazuyoshi (80113661)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
3. OKUYAMA Tetsuro (60128733)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
4. HASEGAWA Izumi (50002473)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
5. OSADA Masayuki (10107229)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
6. KOMURO Naoto (30195862)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
7. YATSUI Tomoaki (00261371)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
8. FUKUI Masaki (20002628)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
9. SAKATA Sadahisa (60175362)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
10. YAMAHARA Hideo (30103344)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
11. KITAYAMA Masashi (80169888)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
12. MIYAZAKI Mitsuhiro (90219767)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
13. ABE Osamu (30202659)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
14. 吹田信之 (90016022)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 菅原健 (20201569)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. MATSUZAWA Jun-ichi (00212217)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. YOSHIDA Hiroyuki (40108973)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. HIJIKATA Hiroaki (00025298)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. MARUYAMA Masaki (50025459)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. UENO Kenji (40011655)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 浅芝秀人 (70175165)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. ASAKURA Fumioki (20140238)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. MANDAI Takeshi (10181843)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

NISHIMURA Jun-ichi 西村 純一

Research Projects

Research Products

Co-Researchers

Study of Noetherian local rings in commutative algebraPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study on Noetherian Local Rings in Commutative AlgebraPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Existence and Stability of Non-classical Weak Solutions to Hyperbolic Conservation Laws

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Constructions of Tilting Complexes and Relative Projective Covers in Representation Theory

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Research of Norm Inequalities on Matices Algebra

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

A Study on Broue's Conjecture in Representation Theory of Finite Groups

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

STUDY OF NOETHERIAN LOCAL RINGS IN COMMUTAIVE ALGEBRAPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Research of inequalities of matrix algebra using analytic method

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

複素平面上の単位円内のfine topologyについての研究

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

可換代数学に於けるネタ-局所環の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

凸インテグランドによる凸作用素の表現の研究

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of Noetherian Local Rings in Commutative AlgebraPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] A part of works of Professor Masayoshi Nagata2009

Author(s)

Journal Title

Data Source

NISHIMURA Jun-ichi 西村純一