ITO Masami 伊藤正美

… Alternative Names

伊藤正美イトウマサミ

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Researcher Number	50065843
Other IDs
Affiliation (based on the past Project Information) *help	2012 – 2013: 京都産業大学, 名誉教授 2011: 京都産業大学, 理学部, 教授 1991 – 2004: 京都産業大学, 理学部, 教授 1989: 京都産業大学, 理学部, 教授 1987: 京都産業大学, 理学部, 教授
Review Section/Research Field	Principal Investigator 代数学・幾何学 / General mathematics (including Probability theory/Statistical mathematics) / 計算機科学 / Fundamental theory of informatics / Algebra Except Principal Investigator Algebra / 解析学 / 代数学・幾何学
Keywords	Principal Investigator 正規言語 / 文脈自由言語 / オートマトン / 形式言語 / 原始語 / 回文 / コード / deg(L) / root(L) / 稠密文脈自由言語 … More / シャッフル演算 / Petri net / palindrome / decidability problem / regular language / context-free language / primitive word / 非決定問題 / 星型積 / 非決定性有向オートマトン / CPN言語 / プレフィックス・コード / ペトリネット言語 / ペトリネット / 決定問題 / Primitive word / shuffle operation / Cerny's conjecture / Regular language / Directing words / Nondeterministic automaton / Directable automaton / deterministic automaton / 閉包関係 / 言語クラス / 正規集合 / 完備オートマトン / 下半束 / 決定性完備オートマトン / Cernyの予想 / 有向語 / 非決定性オートマトン / 有向オートマトン / 決定性オートマトン / 自由半群 / 分離言語 / 情報科学の数学的基礎 / アインシュタイン / generalized laplacian / reduced or Bochner Laplacian / p-形式 / 局所対称性 / リ-マン多様体 / ラプラシアン / スペクトラム / 量子アルゴリズム / 位相整合法 / 言語階層 / 調和振動子 / 群行列型オートマトン / 半束 / 部分オートマトン / プッシュダウンオートマトン / 量子探索アルゴリズム / 有界重複閉包 / 重複閉包演算 / オートマトンの自己同型群 / オートマトンの状態の層 / オートマトンの代数的構造 / 言語の並列積 / 並列計算 / 群位相 / 高さ関数 / ω-語 / 語の書換え系 / Shuffle積 / 自由単位半群 / Pumping Lemma / 左稠密被覆 / 右に稠密言語 / 右稠密言語 / 内挿コ-ド / 外挿コ-ド / コ-ド … More Except Principal Investigator 保型形式 / 代数群 / Kudla lift / metaplectic representation / computation / automata / free monoid / rewriting system / formal language / amalgamation / representation / semigroup / ユニタリ群 / 保型L関数 / 整数論 / Automorphic L-functions / Periods of automorphic forms / Siegel Weil formula / Automorphic forms on unitary groups / テータ級数 / ゼータ関数 / 四元数ユニタリ群上の保型形式 / Sigel-Weil公式 / 保型形式の周期 / Siegel-Weil公式 / ユニタリ群上の保型形式 / Howe correspondence / theta lift / automorphic L-function / Heisenberg goup / Fourier-Jacobi expansion / algebraic group / automorphic forms / L-関数の特殊値 / Weil表現 / Eisenstein級数 / 多変数保型形式 / Heisenberg群 / Metaplectic表現 / Fourier-Jacobi展開 / Howe 対応 / テータリフト / 保型L-関数 / Heisenberg 群 / Metapletic 表現 / Fourier-Jacobi 展開 / 計算理論 / オートマタ / 自由モノイド / 書き換えシステム / 形式言語 / 融合 / 表現 / 半群 / メタプレクティック表現 / テ-タ関数 / 古典群 / Hecke作用素 / 正規作用素 / 極値的長さ / 理想境界 / 調和測度 / リーマン面 / オ-トマトン / 順序集合 / 文脈自由言語 / 正規言語 / プレフィックス・コ-ド / コ-ド / 自由半群 Less

Automata, Formal languages and ComputationPrincipal Investigator
- Principal Investigator
  
  ITO Masami
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Kyoto Sangyo University
Study on automorphic forms on algebraic groups and associated zeta functions
- Principal Investigator
  
  MURASE Atsushi
- Project Period (FY)
  2001 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Kyoto Sangyo University
Automata, Formal Language and Computation TheoryPrincipal Investigator
- Principal Investigator
  
  KATSURA Masashi
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  計算機科学
- Research Institution
  Kyoto Sangyo University
Formal Languages, Codes and CryptosystemsPrincipal Investigator
- Principal Investigator
  
  ITO Masami
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kyoto Sangyo University
Semigroups, Formal Languages and Computation
- Principal Investigator
  
  IMAOKA Teruo
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Shimane University
Studies on arithmetic automorphic forms and zeta functions
- Principal Investigator
  
  MURASE Atsushi
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Kyoto Sangyo University
ユニタリ群上の保型形式の整数論的研究
- Principal Investigator
  
  村瀬篤
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kyoto Sangyo University
代数群上の保型形式と保型L-関数の研究
- Principal Investigator
  
  村瀬篤
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kyoto Sangyo University
オートマトン・形式言語およびコードの代数的研究Principal Investigator
- Principal Investigator
  
  伊藤正美
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kyoto Sangyo University
複素多様体とその理想境界の構造についての研究
- Principal Investigator
  
  ISHIDA Hisashi
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Kyoto Sangyo University
半群・形式言語および語の組合せ論Principal Investigator
- Principal Investigator
  
  伊藤正美
- Project Period (FY)
  1992 – 1993
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  Kyoto Sangyo University
オ-トマトン,形式言語およびコ-ドの代数的研究Principal Investigator
- Principal Investigator
  
  伊藤正美
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Kyoto Sangyo University
形式言語およびオ-トマトンの代数的研究
- Principal Investigator
  
  KATSURA Masashi
- Project Period (FY)
  1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Kyoto Sangyo University
リ-マン多様体のスペクトラムについてPrincipal Investigator
- Principal Investigator
  
  松山善男, 伊藤正美
- Project Period (FY)
  1988 – 1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Chuo University
  Kyoto Sangyo University

All 2014 2013 2012 2011 2004

All Journal Article Presentation Book

[Book] Context-Free Languages and Primitive Words, World Scientific, Singapore2014
- Author(s)
  P. Domosi, M. Ito
- Data Source
  KAKENHI-PROJECT-23500027
[Book] Context-Free Languages and Primitive Words2014
- Author(s)
  P. Domosi, M. Ito
- Total Pages
  505
- Publisher
  World Scientific
- Data Source
  KAKENHI-PROJECT-23500027
[Journal Article] Algebraic structures of automata2012
- Author(s)
  M. Ito
- Journal Title
  
  Theoretical Computer Science
  
  Volume: 429 Pages: 164-168
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500027
[Journal Article] Algebraic theory of automata2012
- Author(s)
  Masarai Ito
- Journal Title
  
  Theoretical Computer Science
  
  Volume: 429 Pages: 164-168
- DOI
  10.1016/j.tcs.2011.12.035
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10F00827, KAKENHI-PROJECT-23500027
[Journal Article] On Chomsky hierarchy of palindromic languages2012
- Author(s)
  P. Domosi, Sz. Fazekas, M. Ito
- Journal Title
  
  数理解析研究所構究録
  
  Volume: 1809 Pages: 1-16
- Data Source
  KAKENHI-PROJECT-23500027
[Journal Article] Bounded hairpin completion2011
- Author(s)
  M. Ito, P. Leupold, F. Manea, V. Mitrana
- Journal Title
  
  Information and Computation
  
  Volume: 209 Pages: 471-485
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500027
[Journal Article] K-restricted duplication closure of languages2011
- Author(s)
  M. Ito
- Journal Title
  
  Proceedings of AFL 2011, Edited by P. Domosi and Sz. Ivan (Debrecen, Hungary)
  
  Pages: 28-33
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500027
[Journal Article] n-Insetion on languages2004
- Author(s)
  M.Itoh
- Journal Title
  
  Aspects of Molecular Computingh, Lecture Notes in Computer Science 2950
  
  Pages: 213-218
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-13440016
[Presentation] Context-free languages and regular languages2014
- Author(s)
  M. Ito
- Organizer
  計算機科学における論理・代数・言語
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-23500027
[Presentation] Remarks on canonical Sl-automata2013
- Author(s)
  M. Ito
- Organizer
  代数とコンピュータサイエンス
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-23500027
[Presentation] Algebraic structure of automata2012
- Author(s)
  M. Ito
- Organizer
  代数系および計算機科学基礎
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-23500027
[Presentation] K-Restricted Duplication Closure of Languages2011
- Author(s)
  Masami Ito
- Organizer
  Automata and Formal Languages 2011(招待講演)
- Place of Presentation
  Debrecen, Hungary
- Data Source
  KAKENHI-PROJECT-23500027
[Presentation] K-Restricted duplication closure of languages2011
- Author(s)
  M. Ito
- Organizer
  AFL 2011
- Place of Presentation
  Debrecen, Hungary
- Invited
- Data Source
  KAKENHI-PROJECT-23500027

1. KATSURA Masashi (80065870)

# of Collaborated Projects: 13 results

# of Collaborated Products: 0 results
2. MURASE Atsushi (40157772)

# of Collaborated Projects: 6 results

# of Collaborated Products: 0 results
3. ISHIDA Hisashi (10103714)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
4. 福井和彦 (30065883)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
5. WASHIHARA Masako (40065800)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. MIZUHARA Akira (30065776)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. KOBAYASHI Yuji (70035343)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
8. YASUGI Mariko (90022277)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. SUGANO Takashi (30183841)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. 正岡弘照 (30219315)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
11. TOYAMA Masafumi (60180189)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. IMAOKA Teruo (60032603)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. KONDO Michio (40211916)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. SHOJI Kunitaka (50093646)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. HIRANO Miki (80314946)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. OHNO Yasuo (70330230)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 松山善男 (70112753)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 関野薫 (40054994)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 三松佳彦 (70190725)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 栗林あき和 (40055033)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 岩野正宏 (70087013)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 石井仁司 (70102887)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. NEHANIV C. (10254054)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. NARITA Hiroaki

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. SHENG Yu

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. CLIVE Reis

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. GABRIEL Thie

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. HELMUT Jurge

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. DOMOSI Pal

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. GECSEG Feren

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. IMREH Balazi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. ESIK Zoltan

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

ITO Masami 伊藤 正美

伊藤 正美 イトウ マサミ

Research Projects

Research Products

Co-Researchers

Automata, Formal languages and ComputationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study on automorphic forms on algebraic groups and associated zeta functions

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Automata, Formal Language and Computation TheoryPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Formal Languages, Codes and CryptosystemsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Semigroups, Formal Languages and Computation

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Studies on arithmetic automorphic forms and zeta functions

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

ユニタリ群上の保型形式の整数論的研究

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

代数群上の保型形式と保型L-関数の研究

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

オートマトン・形式言語およびコードの代数的研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

複素多様体とその理想境界の構造についての研究

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

半群・形式言語および語の組合せ論Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Institution

オ-トマトン,形式言語およびコ-ドの代数的研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

形式言語およびオ-トマトンの代数的研究

Principal Investigator

Project Period (FY)

Research Category

ITO Masami 伊藤正美

伊藤正美イトウマサミ