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ITO Masami  伊藤 正美

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

    (14 results)
  • Research Products

    (12 results)
  • Co-Researchers

    (32 People)
  •  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] 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

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