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Hirokawa Nao  廣川 直

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… Alternative Names

廣川 直  ヒロカワ ナオ

HIROKAWA Nao  廣川 直

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Researcher Number 50467122
Other IDs
Affiliation (Current) 2025: 北陸先端科学技術大学院大学, 先端科学技術研究科, 准教授
Affiliation (based on the past Project Information) *help 2022 – 2023: 北陸先端科学技術大学院大学, 先端科学技術研究科, 准教授
2017 – 2020: 北陸先端科学技術大学院大学, 先端科学技術研究科, 准教授
2010 – 2015: 北陸先端科学技術大学院大学, 情報科学研究科, 准教授
2008 – 2009: Japan Advanced Institute of Science and Technology, 情報科学研究科, 助教
Review Section/Research Field
Principal Investigator
Theory of informatics / Fundamental theory of informatics / Basic Section 60010:Theory of informatics-related
Except Principal Investigator
Software
Keywords
Principal Investigator
項書換え / 完備化 / 合流性 / 定理自動証明 / 情報基礎 / 簡約順序 / 停止性 / 自動演繹 / 自動定理証明 / 正規化戦略 … More / 正規化性 / 形式言語 / 可換性 / オーストリア / 国際研究者交流 / 関数型プログラム / 計算理論 / 戦略 / 計算量 / 計算モデル / 項書き換え … More
Except Principal Investigator
充足性判定 / 多項式制約 / SMTソルバ / 数式処理 / 制約解消 / 仕様検証 / 仕様記述 / ソフトウェア Less
  • Research Projects

    (6 results)
  • Research Products

    (44 results)
  • Co-Researchers

    (7 People)
  •  Automated Deduction and Reduction OrdersPrincipal Investigator

    • Principal Investigator
      廣川 直
    • Project Period (FY)
      2022 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 60010:Theory of informatics-related
    • Research Institution
      Japan Advanced Institute of Science and Technology
  •  Normalization Analysis for Term RewritingPrincipal Investigator

    • Principal Investigator
      Hirokawa Nao
    • Project Period (FY)
      2017 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Theory of informatics
    • Research Institution
      Japan Advanced Institute of Science and Technology
  •  Confluence Analysis for Term Rewriting and Its ApplicationsPrincipal Investigator

    • Principal Investigator
      Hirokawa Nao
    • Project Period (FY)
      2013 – 2015
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Theory of informatics
    • Research Institution
      Japan Advanced Institute of Science and Technology
  •  Optimization of polynomial constraint solving based on fusion of approximation and algebraix methods

    • Principal Investigator
      MIZUHITO Ogawa
    • Project Period (FY)
      2011 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Software
    • Research Institution
      Japan Advanced Institute of Science and Technology
  •  Rewriting Techniques for Non-Deterministic ComputationPrincipal Investigator

    • Principal Investigator
      HIROKAWA Nao
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Fundamental theory of informatics
    • Research Institution
      Japan Advanced Institute of Science and Technology
  •  Automated Complexity Analysis for Term RewritingPrincipal Investigator

    • Principal Investigator
      HIROKAWA Nao
    • Project Period (FY)
      2008 – 2009
    • Research Category
      Grant-in-Aid for Young Scientists (Start-up)
    • Research Field
      Fundamental theory of informatics
    • Research Institution
      Japan Advanced Institute of Science and Technology

All 2024 2023 2022 2020 2019 2018 2017 2015 2014 2013 2012 2011 2010 2009 2008 Other

All Journal Article Presentation Book

  • [Book] 電子情報通信学会 知識ベース 7群1編「ソフトウェア基礎」2章「定理証明と検証法」3節「SAT」執筆2010

    • Author(s)
      廣川直
    • Total Pages
      7
    • Publisher
      社団法人 電子情報通信学会
    • Data Source
      KAKENHI-PROJECT-20800022
  • [Book] 「ソフトウェア基礎」, 「定理証明と検証法」, 「SAT」2010

    • Author(s)
      廣川直
    • Publisher
      電子情報通信学会
    • Data Source
      KAKENHI-PROJECT-20800022
  • [Journal Article] Compositional Confluence Criteria2024

    • Author(s)
      Kiraku Shintani and Nao Hirokawa
    • Journal Title

      Logical Methods in Computer Science 20(1)

      Volume: 20(1)

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-22K11900
  • [Journal Article] Abstract Completion, Formalized2019

    • Author(s)
      Nao Hirokawa, Aart Middeldorp, Christian Sternagel, and Sarah Winkler.
    • Journal Title

      Journal of Logical Methods in Computer Science

      Volume: 15(3)

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K00011
  • [Journal Article] AC-KBO Revisited2015

    • Author(s)
      Akihisa Yamada, Sarah Winkler, Nao Hirokawa, and Aart Middeldorp
    • Journal Title

      Theory and Practice of Logic Programming

      Volume: 未定

    • NAID

      120005611453

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-25730004
  • [Journal Article] Uncurrying for Termination and Complexity.2013

    • Author(s)
      Nao Hirokawa, Aart Middeldorp, and Harald Zankl.
    • Journal Title

      Journal of Automated Reasoning

      Volume: 50(3) Pages: 279-315

    • NAID

      120004247362

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Journal Article] Uncurrying for Termination and Complexity2012

    • Author(s)
      Nao Hirokawa, Aart Middeldorp, Harald Zankl
    • Journal Title

      Journal of Automated Reasoning

      Volume: (掲載確定) Issue: 3 Pages: 279-315

    • DOI

      10.1007/s10817-012-9248-3

    • NAID

      120004247362

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Journal Article] Decreasing Diagrams and Relative Termination.2011

    • Author(s)
      Nao Hirokawa and Aart Middeldorp
    • Journal Title

      Journal of Automated Reasoning

      Volume: 47(4) Pages: 481-501

    • NAID

      120006674711

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Journal Article] Decreasing Diagrams and Relative Termination2011

    • Author(s)
      Nao Hirokawa, Aart Middeldorp
    • Journal Title

      Journal of Automated Reasoning

      Volume: 47(4) Issue: 4 Pages: 481-501

    • DOI

      10.1007/s10817-011-9238-x

    • NAID

      120006674711

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Journal Article] KBO Orientability2009

    • Author(s)
      Harald Zankl, Nao Hirokawa, Aart Middeldorp
    • Journal Title

      Journal of Automated Reasoning 43(2)

      Pages: 173-201

    • NAID

      120002260314

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20800022
  • [Presentation] Certification of Confluence- and Commutation-Proofs via Parallel Critical Pairs2024

    • Author(s)
      Nao Hirokawa, Dohan Kim, Kiraku Shintani, and Rene Thiemann
    • Organizer
      Proceedings of the 13th ACM SIGPLAN International Conference on Certified Programs and Proofs, pp. 147-161
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K11900
  • [Presentation] Hydra Battles and AC Termination2023

    • Author(s)
      Nao Hirokawa and Aart Middeldorp
    • Organizer
      Proceedings of the 8th International Conference on Formal Structures of Computation and Deduction, Leibniz International Proceedings in Informatics 260, pp. 12:10-12:16.
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K11900
  • [Presentation] Weighted Path Orders are Semantic Path Orders2023

    • Author(s)
      Teppei Saito and Nao Hirokawa
    • Organizer
      Proceedings of the 14th International Symposium on Frontiers of Combining Systems, Lecture Notes in Artificial Intelligence, pp. 63-80.
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K11900
  • [Presentation] Left-Linear Completion with AC Axioms2023

    • Author(s)
      Johannes Niederhauser, Nao Hirokawa, and Aart Middeldorp
    • Organizer
      Proceedings of the 29th International Conference on Automated Deduction, Lecture Notes in Artificial Intelligence 14132, pp. 401-418
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K11900
  • [Presentation] Compositional Confluence Criteria2022

    • Author(s)
      Kiraku Shintani and Nao Hirokawa
    • Organizer
      Proceedings of the 7th International Conference on Formal Structures for Computation and Deduction, Leibniz International Proceedings in Informatics, 2022.
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K11900
  • [Presentation] Parallel Closedness Revisited2020

    • Author(s)
      Kiraku Shintani and Nao Hirokawa
    • Organizer
      9th International Workshop on Confluence (IWC 2020)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K00011
  • [Presentation] Confluence by Critical Pair Analysis Revisited2019

    • Author(s)
      Nao Hirokawa, Julian Nagele, Vincent van Oostrom, and Michio Oyamaguchi
    • Organizer
      Proceedings of the 27th International Conference on Automated Deduction
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K00011
  • [Presentation] Confluence Competition 20182018

    • Author(s)
      Takahito Aoto, Makoto Hamana, Nao Hirokawa, Aart Middeldorp, Julian Nagele, Naoki Nishida, Kiraku Shintani, and Harald Zankl
    • Organizer
      Proceedings of the 3rd International Conference on Formal Structures for Computation and Deduction, Leibnitz International Proceedings in Informatics, pp. 32:1-32:5, 2018
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K00011
  • [Presentation] Cops and CoCoWeb: Infrastructure for Confluence Tools2018

    • Author(s)
      Nao Hirokawa, Julian Nagele, and Aart Middeldorp
    • Organizer
      Proceedings of the 9th International Joint Conference on Automated Reasoning, Lecture Notes in Artificial Intelligence 10900, pp. 346-353, 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K00011
  • [Presentation] Infinite Runs in Abstract Completion2017

    • Author(s)
      Nao Hirokawa, Aart Middeldorp, Christian Sternagel, and Sarah Winkler
    • Organizer
      Proceedings of the 2nd International Conference on Formal Structures for Computation and Deduction, Leibnitz International Proceedings in Informatics 84, pp. 19:1-19:16, 2017.
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K00011
  • [Presentation] Commutation and Signature Extensions2015

    • Author(s)
      Nao Hirokawa
    • Organizer
      4th International Workshop on Confluence
    • Place of Presentation
      ドイツ・ベルリン
    • Year and Date
      2015-08-02
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25730004
  • [Presentation] A New and Formalized Proof of Abstract Completion2014

    • Author(s)
      Nao Hirokawa, Aart Middeldorp, and Christian Sternagel
    • Organizer
      5th International Conference on Interactive Theorem Proving
    • Place of Presentation
      オーストリア・ウィーン
    • Data Source
      KAKENHI-PROJECT-25730004
  • [Presentation] AC-KBO Revisited2014

    • Author(s)
      Akihisa Yamada, Sarah Winkler, Nao Hirokawa, and Aart Middeldorp
    • Organizer
      12th International Symposium on Functional and Logic Programming
    • Place of Presentation
      金沢市石川県立美術館
    • Data Source
      KAKENHI-PROJECT-25730004
  • [Presentation] Automated Complexity Analysis Based on Context-Sensitive Rewriting2014

    • Author(s)
      Nao Hirokawa and Georg Moser
    • Organizer
      Joint 25th International Conference on Rewriting Techniques and Applications and 12th International Conference on Typed Lambda Calculi and Applications
    • Place of Presentation
      オーストリア・ウィーン
    • Data Source
      KAKENHI-PROJECT-25730004
  • [Presentation] Basic Normalization2014

    • Author(s)
      Nao Hirokawa
    • Organizer
      International Federation for Information Processing (IFIP) Working Group 1.6: Term Rewriting
    • Place of Presentation
      ウィーン、オーストリア
    • Year and Date
      2014-07-13
    • Invited
    • Data Source
      KAKENHI-PROJECT-25730004
  • [Presentation] Confluence of Non-Left-Linear TRSs via Relative Termination2012

    • Author(s)
      Dominik Klein and Nao Hirokawa
    • Organizer
      Proceedings of the 18th International Conference on Logic for Programming, Artificial Intelligence and Reasoning
    • Place of Presentation
      Merida, Venezuela
    • Year and Date
      2012-03-11
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Presentation] Confluence of Non-Left-Linear TRSs via Relative Termination (査読付)2012

    • Author(s)
      Dominik Klein, Nao Hirokawa
    • Organizer
      18th International Conference on Logic for Programming, Artificial Intelligence and Reasoning (LPAR2012, Springer LNCS 7180, pp.258-273)
    • Place of Presentation
      Universidad de Los Andes, Merida, Venezuela (2012年3月11日~15日)
    • Year and Date
      2012-03-11
    • Data Source
      KAKENHI-PROJECT-23300005
  • [Presentation] Confluence of Non-Left-Linear TRSs via Relative Termination2012

    • Author(s)
      Dominik Klein, Nao Hirokawa
    • Organizer
      18^<th> International Conference on Logic for Programming, Artificial Intelligence and Reasoning
    • Place of Presentation
      ロスアンデス大学(ベネズエラ)
    • Year and Date
      2012-03-11
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Presentation] Uncurrying for Innermost Termination and Derivational Complexity2011

    • Author(s)
      Harald Zankl, Nao Hirokawa, and Aart Middeldorp
    • Organizer
      Proceedings of the 5th International Conference on Higher-Order Rewriting
    • Place of Presentation
      Edinburgh, UK
    • Year and Date
      2011-07-14
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Presentation] Maximal Completion2011

    • Author(s)
      Dominik Klein and Nao Hirokawa
    • Organizer
      Proceedings of the 22nd International Conference on Rewriting Techniques and Applications
    • Place of Presentation
      Novi Sad, Serbia
    • Year and Date
      2011-05-31
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Presentation] Maximal Completion2011

    • Author(s)
      Dominik Klein, Nao Hirokawa
    • Organizer
      22nd International Conference on Rewriting Techniques and Applications
    • Place of Presentation
      ノヴィサド大学(セルビア)
    • Year and Date
      2011-05-30
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Presentation] Runtime Complexity Analysis for Term Rewriting2011

    • Author(s)
      Nao Hirokawa
    • Organizer
      Two Faces of Complexity 2011
    • Place of Presentation
      ノヴィサド大学(セルビア)(招待講演)
    • Year and Date
      2011-05-29
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Presentation] Decreasing Diagrams and Relative Termination2010

    • Author(s)
      Nao Hirokawa, Aart Middeldorp
    • Organizer
      5^<th> International Joint Conference on Automated Reasoning
    • Place of Presentation
      エジンバラ大学(イギリス)
    • Year and Date
      2010-07-19
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Presentation] Uncurrying for Innermost Termination and Derivational Complexity2010

    • Author(s)
      Harald Zankl, Nao Hirokawa, Aart Middeldorp
    • Organizer
      5^<th> International Workshop on Higher-Order Rewriting
    • Place of Presentation
      エジンバラ大学(イギリス)(発表確定)
    • Year and Date
      2010-07-14
    • Data Source
      KAKENHI-PROJECT-20800022
  • [Presentation] Decreasing Diagrams and Relative Termination2010

    • Author(s)
      Nao Hirokawa and Aart Middeldorp
    • Organizer
      Proceedings of the 5th International Joint Conference on Automated Reasoning
    • Place of Presentation
      Edinburgh, UK
    • Year and Date
      2010-07-19
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Presentation] The Subterm Criterion in Complexity Analysis2009

    • Author(s)
      Nao Hirokawa, Georg Moser
    • Organizer
      In Proceedings of the 10th International Workshop on Termination
    • Place of Presentation
      Leipzig, Germany
    • Year and Date
      2009-06-04
    • Data Source
      KAKENHI-PROJECT-20800022
  • [Presentation] Complexity, Graphs, and the Dependency Pair Method2008

    • Author(s)
      Nao Hirokawa, Georg Moser
    • Organizer
      the 15th International Conferences on Logic for Programming, Artificial Intelligence, Reasoning
    • Place of Presentation
      カタール国ドーハ
    • Year and Date
      2008-11-27
    • Data Source
      KAKENHI-PROJECT-20800022
  • [Presentation] Complexity, Graphs, and the Dependency Pair Method2008

    • Author(s)
      Nao Hirokawa, Georg Moser
    • Organizer
      In Proceedings of the 15th International Conferences on Logic for Programming, Artificial Intelligence and Reasoning, Sydney, Australia, Lecture Notes in Computer Science
    • Place of Presentation
      Sydney, Australia
    • Year and Date
      2008-11-27
    • Data Source
      KAKENHI-PROJECT-20800022
  • [Presentation] Uncurrying for Termination2008

    • Author(s)
      Nao Hirokawa, Aart Middeldorp, Harald Zankl
    • Organizer
      the 15th International Conferences on Logic for Programming, Artificial Intelligence, Reasoning
    • Place of Presentation
      カタール国ドーハ
    • Year and Date
      2008-11-27
    • Data Source
      KAKENHI-PROJECT-20800022
  • [Presentation] Uncurrying for Termination. In Proceedings of the 15th International Conferences on Logic for Programming2008

    • Author(s)
      Nao Hirokawa, Aart Middeldorp, Harald Zankl
    • Organizer
      Artificial Intelligence and Reasoning, Sydney, Australia, Lecture Notes in Computer Science
    • Place of Presentation
      Sydney, Australia
    • Year and Date
      2008-11-27
    • Data Source
      KAKENHI-PROJECT-20800022
  • [Presentation] Leftmost Outermost Revisited

    • Author(s)
      Nao Hirokawa, Aart Middeldorp and Georg Moser
    • Organizer
      26th International Conference on Rewriting Techniques and Applications
    • Place of Presentation
      ワルシャワ、ポーランド
    • Year and Date
      2015-06-29 – 2015-07-01
    • Data Source
      KAKENHI-PROJECT-25730004
  • [Presentation] CoLL: A Confluence Tool for Left-Linear Term Rewrite Systems

    • Author(s)
      Kiraku Shintani and Nao Hirokawa
    • Organizer
      25th International Conference on Automated Deduction
    • Place of Presentation
      ベルリン、ドイツ
    • Year and Date
      2015-08-04 – 2015-08-07
    • Data Source
      KAKENHI-PROJECT-25730004
  • [Presentation] IaCOP – Interface for the Administration of Cops

    • Author(s)
      Nao Hirokawa
    • Organizer
      1st International Workshop on Confluence (IWC 2012)
    • Place of Presentation
      名古屋市
    • Data Source
      KAKENHI-PROJECT-22700009
  • [Presentation] A Rewriting Solution to the Parsing Problem

    • Author(s)
      Nao Hirokawa
    • Organizer
      14th Meeting of the IFIP WG 1.6 on Term Rewriting
    • Place of Presentation
      名古屋市
    • Invited
    • Data Source
      KAKENHI-PROJECT-22700009
  • 1.  MIZUHITO Ogawa (40362024)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 2.  SEKI Hiroyuki (80196948)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  MOSER Georg
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 4.  MIDDELDORP Aart
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 7 results
  • 5.  KLEIN Dominik
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results
  • 6.  VU Xuan Tung
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  TO Van Khanh
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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