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SEKIGAWA Hiroshi  関川 浩

ORCIDConnect your ORCID iD *help
Researcher Number 00396178
Other IDs
Affiliation *help 2018 : 東京理科大学, 理学部, 教授
2017 : 東京理科大学, 理学部第一部応用数学科, 教授
2016 : 東京理科大学, 理学部第一部数理情報科学科, 教授
2013 – 2015 : 東京理科大学, 理学部, 教授
2013 : 東京理科大学, 理学部第一部応用数学科, 教授 … More
2010 – 2012 : 東海大学, 理学部, 准教授
2010 : NTT Communication Science Laboratories, 研究員
2009 : NTTコミュ科学基礎, 研究員
2009 : NTT Communication Science Laboratories, 協創情報研究部, 主任研究員
2008 : 日本電信電話株式会社NTTコミュニケーション科学基礎研究所, 人間情報研究部, 主任研究員 Less
Review Section/Research Field
Principal Investigator
Fundamental theory of informatics / Basic Section 60010:Theory of informatics-related / Theory of informatics
Except Principal Investigator
Theory of informatics / Fundamental theory of informatics
Keywords
Principal Investigator
誤差 / 代数方程式 / 安定化理論 / 数値数式融合計算 / 近似 / グレブナ基底 / 多項式 / 凸包構成 / 根 / 零点 … More / 連立代数方程式 / 行列 / 摂動 / 最短ベクトル / 整除性 / 一般逆行列 / 有理標準形 … More
Except Principal Investigator
量子アルゴリズム / 量子プッシュダウンオートマトン / 格子暗号 / 表現論 / 量子人工知能 / 量子暗号 / 量子フーリエ変換 / 格子問題 / 複素アダマール行列 / 量子回路の等価性判定 / 多準位量子ゲート / パターンマッチング / Cosine-Sine分解 / Mutually Unbiased Basis / 離散対数問題 / 対称群 / 隣接互換グラフ / 耐量子暗号 / フーリエ変換 / 量子コンピュータ / Steane符号 / ポスト量子暗号 / SATアルゴリズム / Linear Nearest Neighbor / 非可換群 / 隠れ部分群問題 / 量子計算理論 / 行列分解 / 量子回路設計 Less
  • Research Projects

    (7results)
  • Research Products

    (64results)
  • Co-Researchers

    (4People)
  •  代数問題に摂動が及ぼす影響とそれに対処する方法論の研究Principal InvestigatorOngoing

    • Principal Investigator
      関川 浩
    • Project Period (FY)
      2018 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 60010:Theory of informatics-related
    • Research Institution
      Tokyo University of Science
  •  格子問題を解く量子アルゴリズムの耐量子暗号と量子人工知能への応用Ongoing

    • Principal Investigator
      河野 泰人
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Theory of informatics
    • Research Institution
      NTT Communication Science Laboratories
  •  代数問題に対する摂動の影響の研究Principal InvestigatorOngoing

    • Principal Investigator
      関川 浩
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Theory of informatics
    • Research Institution
      Tokyo University of Science
  •  Quantum Fourier Transform over Non-Abelian Groups and Its Application

    • Principal Investigator
      Kawano Yasuhito
    • Project Period (FY)
      2013 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Theory of informatics
    • Research Institution
      NTT Communication Science Laboratories
  •  On the Study of Symbolic-Numeric Computation for Algebraic Problems with Empirical DataPrincipal Investigator

    • Principal Investigator
      SEKIGAWA HIROSHI
    • Project Period (FY)
      2012 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Fundamental theory of informatics
    • Research Institution
      Tokyo University of Science
      Tokai University
  •  On the Study of Highly Reliable Symbolic-Numeric Computation for Algebraic Problems with Empirical DataPrincipal Investigator

    • Principal Investigator
      SEKIGAWA Hiroshi
    • Project Period (FY)
      2009 – 2011
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Fundamental theory of informatics
    • Research Institution
      Tokai University
      NTT Communication Science Laboratories
  •  Quantum Circuit Design using Matrix Decomposition and its application

    • Principal Investigator
      Kawano Yasuhito
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Fundamental theory of informatics
    • Research Institution
      NTT Communication Science Laboratories

All 2017 2016 2015 2014 2013 2012 2011 2010 2009 Other

All Journal Article Presentation Book

  • [Book] 応用数理ハンドブック2013

    • Author(s)
      薩摩順吉、大石進一、杉原正顯、合原一幸、芦野隆一、畔上秀幸、一森哲男、大塚厚二、岡本久、白柳潔、杉原厚吉、杉山将、鈴木貴、関川浩、田辺誠、田端正久、土谷隆、中村憲、奈良高明、成田清正、萩谷昌己、萩原一郎、引原隆士、藤井裕矩、松木平淳太、宮本裕一郎 他
    • Total Pages
      685
    • Publisher
      朝倉書店
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Journal Article] 2根を指定した場合の最近接多項式2017

    • Author(s)
      櫻井優太、関川浩
    • Journal Title

      京都大学数理解析研究所講究録

      Volume : 印刷中

    • Open Access / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-15K00025
  • [Journal Article] An Algorithm for Symbolic-Numeric Sparse Interpolation of Multivariate Polynomials Whose Degree Bounds are Unknown2017

    • Author(s)
      Dai Numahata, Hiroshi Sekigawa
    • Journal Title

      ACM Communications in Computer Algebra

      Volume : 印刷中

    • Acknowledgement Compliant / Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K00025
  • [Journal Article] Quantum Fourier transform over symmetric groups --- improved result2016

    • Author(s)
      Yasuhito Kawano and Hiroshi Sekigawa
    • Journal Title

      Journal of Symbolic Computation

      Volume : 75 Pages : 219-243

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-25330021
  • [Journal Article] 複数の多項式に対する最近多項式2015

    • Author(s)
      関川浩
    • Journal Title

      数式処理

      Volume : 2

    • Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Journal Article] A Sequence of Nearest Polynomials with Given Factors2014

    • Author(s)
      Hiroshi Sekigawa
    • Journal Title

      Lecture Notes in Computer Science

      Volume : -

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Journal Article] Quantum Fourier Transform over Symmetric Groups --- Improved Result2014

    • Author(s)
      Yasuhito Kawano and Hiroshi Sekigawa
    • Journal Title

      ACM Communications in Computer Algebra

      Volume : 48 (3) Pages : 127-129

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-25330021
  • [Journal Article] The Nearest Polynomial to Multiple Given Polynomials with a Given Zero2014

    • Author(s)
      Hiroshi Sekigawa
    • Journal Title

      Proc. 2014 Symposium on Symbolic-Numeric Computation

      Volume : 5 Pages : 144-145

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Journal Article] 連立代数方程式の解の個数を保つ摂動限界2013

    • Author(s)
      関川浩、白柳潔
    • Journal Title

      数式処理

      Volume : 19 Pages : 37-40

    • Data Source
      KAKENHI-PROJECT-24500022
  • [Journal Article] Maximal Perturbation for Preserving the Number of Solutions of a Polynomial System2012

    • Author(s)
      Hiroshi Sekigawa, Kiyoshi Shirayanagi
    • Journal Title

      ACM Communications in Computer Algebra

      Volume : Vol. 46 Pages : 120-121

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Journal Article] Computing the Nearest Polynomial with a Zero in a Given Domain by using Piecewise Rational Functions2011

    • Author(s)
      H. Sekigawa
    • Journal Title

      Journal of Symbolic Computation

      Volume : Vol.46 Issue 12 Pages : 1318-1335

    • Data Source
      KAKENHI-PROJECT-21500026
  • [Journal Article] Computing the Nearest Polynomial with a Zero in a Given Domain by using Piecewise Rational Functions2011

    • Author(s)
      Hiroshi Sekigawa
    • Journal Title

      Journal of Symbolic Computation

      Volume : 46 Pages : 1318-1335

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Journal Article] Isolated Real Zero of a Real Polynomial System under Perturbation2011

    • Author(s)
      Hiroshi Sekigawa, Kiyoshi Shirayanagi
    • Journal Title

      ACM Communications in Computer Algebra

      Volume : 45 Pages : 131-132

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Journal Article] Isolated Real Zero of a Real Polynomial System under Perturbation2011

    • Author(s)
      H. Sekigawa and K. Shirayanagi
    • Journal Title

      ACM Communications in Computer Algebra

      Volume : Vol.45, No.2 Pages : 131-132

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Journal Article] Solvability of Bivariate Polynomial Systems under Perturbation2010

    • Author(s)
      H. Sekigawa and K. Shirayanagi
    • Journal Title

      ACM Communications in Computer Algebra

      Volume : Vol.44, No.3 Pages : 147-148

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Journal Article] Solvability of Bivariate Polynomial Systems under Perturbation2010

    • Author(s)
      Hiroshi Sekigawa, Kiyoshi Shirayanagi
    • Journal Title

      ACM Communications in Computer Algebra

      Volume : 44 Pages : 147-148

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Journal Article] A Sequence of Nearest Polynomials with Given Factors2009

    • Author(s)
      Hiroshi Sekigawa
    • Journal Title

      Math-for-Industry Lecture Note Vol.22

      Pages : 187-190

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Journal Article] Synthesis of quantum circuits for d-level systems by using Cosine-Sine decomposition2009

    • Author(s)
      Y.Nakajima, Y.Kawano, H.Sekigawa, M.Nakanishi, S.Yamashita, Y.Nakashima
    • Journal Title

      Quantum Information and Computation Vol.9,No.5&6

      Pages : 423-443

    • Data Source
      KAKENHI-PROJECT-20500024
  • [Journal Article] Deciding Divisibility between Polynomials with Inexact Coefficients2009

    • Author(s)
      H. Nakayama and H. Sekigawa
    • Journal Title

      ACM Communications in Computer Algebra

      Volume : Vol.43, No.3 Pages : 91-94

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Journal Article] A Sequence of Nearest Polynomials with Given Factors2009

    • Author(s)
      H. Sekigawa
    • Journal Title

      Math-for-Industry Lecture Note

      Volume : Vol.22 Pages : 187-190

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Journal Article] A New Method of Reducing Exact Computations to Obtain Exact Results2009

    • Author(s)
      K. Shirayanagi and H. Sekigawa
    • Journal Title

      ACM Communications in Computer Algebra

      Volume : Vol.43, No.3 Pages : 102-104

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Journal Article] Reducing Exact Computations to Obtain Exact Results Based on Stabilization Techniques2009

    • Author(s)
      K. Shirayanagi and H. Sekigawa
    • Journal Title

      Proceedings of International Workshop on Symbolic-Numeric Computation 2009

      Pages : 191-197

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] 複数の零点を指定した場合の最近接多項式2017

    • Author(s)
      朝田高行,関川浩
    • Organizer
      Risa/Asir Conference 2017
    • Place of Presentation
      金沢大学(石川県金沢市)
    • Year and Date
      2017-03-28
    • Data Source
      KAKENHI-PROJECT-15K00025
  • [Presentation] Quantum Algorithm for Lattice Problems2016

    • Author(s)
      Yasuhito Kawano and Hiroshi Sekigawa
    • Organizer
      Conference on Quantum Information Processing(QIP)
    • Place of Presentation
      Banff Centre(カナダ)
    • Year and Date
      2016-01-11
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25330021
  • [Presentation] An Algorithm for Symbolic-Numeric Sparse Interpolation of Multivariate2016

    • Author(s)
      Dai Numahata, Hiroshi Sekigawa
    • Organizer
      41st International Symposium on Symbolic and Algebraic Computation
    • Place of Presentation
      ウォータールー(カナダ)
    • Year and Date
      2016-07-20
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00025
  • [Presentation] Degree Estimate for Black-Box Multivariate Polynomials in Symbolic-Numeric Sparse Interpolation2016

    • Author(s)
      Dai Numahata, Hiroshi Sekigawa
    • Organizer
      Milestones in Computer Algebra
    • Place of Presentation
      ウォータールー(カナダ)
    • Year and Date
      2016-07-18
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00025
  • [Presentation] 2根を指定した場合の最近接多項式2015

    • Author(s)
      櫻井優太、関川浩
    • Organizer
      京都大学数理解析研究所研究所「数式処理とその周辺分野の研究」
    • Place of Presentation
      京都大学(京都府京都市)
    • Year and Date
      2015-12-04
    • Data Source
      KAKENHI-PROJECT-15K00025
  • [Presentation] The Nearest Polynomial with Two or More Given Zeros2015

    • Author(s)
      Hiroshi Sekigawa
    • Organizer
      Third Workshop on Hybrid Methodologies for Symbolic-Numeric Computation
    • Place of Presentation
      China National Convention Center(北京、中国)
    • Year and Date
      2015-08-11
    • Int'l Joint Research / Invited
    • Data Source
      KAKENHI-PROJECT-15K00025
  • [Presentation] Quantum Fourier Transform over Symmetric Groups --- Improved Result2014

    • Author(s)
      Yasuhito Kawano and Hiroshi Sekigawa
    • Organizer
      QIP 2014
    • Place of Presentation
      AXA Auditorium, Barcelona
    • Data Source
      KAKENHI-PROJECT-25330021
  • [Presentation] 複数の多項式に対する最近多項式2014

    • Author(s)
      関川浩
    • Organizer
      第23回日本数式処理学会大会
    • Place of Presentation
      徳島大学(徳島県徳島市)
    • Year and Date
      2014-05-31
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Presentation] The Nearest Polynomial to Multiple Given Polynomials with a Given Zero2014

    • Author(s)
      Hiroshi Sekigawa
    • Organizer
      2014 Symposium on Symbolic-Numeric Computation
    • Place of Presentation
      上海(中国)
    • Year and Date
      2014-07-30
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Presentation] Quantum Fourier Transform over Symmetric Groups2013

    • Author(s)
      Yasuhito Kawano and Hiroshi Sekigawa
    • Organizer
      ACM ISSAC 2013
    • Place of Presentation
      Northeastern University, Boston
    • Data Source
      KAKENHI-PROJECT-25330021
  • [Presentation] 対称群上の量子フーリエ変換アルゴリズム2013

    • Author(s)
      河野泰人、関川浩
    • Organizer
      電子情報通信学会 量子情報技術研究会
    • Place of Presentation
      北海道大学
    • Data Source
      KAKENHI-PROJECT-25330021
  • [Presentation] Maximal Perturbation for Preserving the Number of Solutions of a Polynomial System2012

    • Author(s)
      Hiroshi Sekigawa, Kiyoshi Shirayanagi
    • Organizer
      International Symposium on Symbolic and Algebraic Computation 2012
    • Place of Presentation
      グルノーブル大(グルノーブル、フランス)
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Presentation] 連立代数方程式の解の個数を保つ摂動限界2012

    • Author(s)
      関川浩, 白柳潔
    • Organizer
      Risa/Asir Conference
    • Place of Presentation
      神戸大学(神戸市)
    • Year and Date
      2012-03-20
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] 連立代数方程式の解の個数を保つ摂動限界2012

    • Author(s)
      関川浩, 白柳潔
    • Organizer
      Risa/Asir Conference 2012
    • Place of Presentation
      神戸大学(神戸市)
    • Year and Date
      2012-03-20
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] Matrix Decomposition and its Application to Complex Hadamard matrices2011

    • Author(s)
      Y.Kawano, H.Sekigawa
    • Organizer
      The 14^<th> Workshop on Quantum Information Processing 2011
    • Place of Presentation
      シンガポール
    • Year and Date
      2011-01-10
    • Data Source
      KAKENHI-PROJECT-20500024
  • [Presentation] 係数に誤差のある実係数連立代数方程式の孤立実数解について2011

    • Author(s)
      関川浩, 白柳潔
    • Organizer
      Risa/Asir Conference 2011
    • Place of Presentation
      神戸大学(神戸市)
    • Year and Date
      2011-03-21
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] 係数に誤差のある実係数連立代数方程式の孤立実数解について2011

    • Author(s)
      関川浩, 白柳潔
    • Organizer
      Risa/Asir Conference
    • Place of Presentation
      神戸大学(神戸市)
    • Year and Date
      2011-03-21
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] Isolated Real Zero of a Real Polynomial System under Perturbation2011

    • Author(s)
      H. Sekigawa and K. Shirayanagi
    • Organizer
      International Symposium on Symbolic and Algebraic Computation 2011
    • Place of Presentation
      サンノゼコンベンションセンター(米国)
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] Isolated Real Zero of a Real Polynomial System under Perturbation2011

    • Author(s)
      Hiroshi Sekigawa, Kiyoshi Shirayanagi
    • Organizer
      International Symposium on Symbolic and Algebraic Computation 2011
    • Place of Presentation
      サンノゼコンベンションセンター(米国)
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] 係数に誤差のある連立代数方程式の可解性について2010

    • Author(s)
      関川浩, 白柳潔
    • Organizer
      第19回日本数式処理学会大会
    • Place of Presentation
      名古屋大学(名古屋市)
    • Year and Date
      2010-06-13
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] Application of Matrix Decomposition to Finding Complex Hadamard Matrices2010

    • Author(s)
      Y.Kawano, H.Sekigawa
    • Organizer
      The 13^<th> Workshop on Quantum Information Processing 2010
    • Place of Presentation
      チューリッヒ工科大,スイス
    • Year and Date
      2010-01-20
    • Data Source
      KAKENHI-PROJECT-20500024
  • [Presentation] 安定化理論に基づくISCZ法の凸包構成への応用2010

    • Author(s)
      白柳潔, 関川浩
    • Organizer
      京都大学数理解析研究所研究集会Computer Algebra-Design of Algorithms, Implementations and Applications
    • Place of Presentation
      京都大学(京都市)
    • Year and Date
      2010-12-03
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] Solvability of Bivariate Polynomial Systems under Perturbation2010

    • Author(s)
      H. Sekigawa and K. Shirayanagi
    • Organizer
      International Symposium on Symbolic and Algebraic Computation 2010
    • Place of Presentation
      ミュンヘン工科大学(ドイツ)
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] 安定化理論に基づくISCZ法の凸包構成への応用,京都大学数理解析研究所研究集会2010

    • Author(s)
      白柳潔, 関川浩
    • Organizer
      Computer Algebra-Design of Algorithms, Implementations and Applications
    • Place of Presentation
      京都大学(京都市)
    • Year and Date
      2010-12-03
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] 係数に誤差のある連立代数方程式の可解性について2010

    • Author(s)
      関川浩, 白柳潔
    • Organizer
      第19回日本数式処理学会大会
    • Place of Presentation
      名古屋大学(名古屋市)
    • Year and Date
      2010-06-13
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] Solvability of Bivariate Polynomial Systems under Perturbation2010

    • Author(s)
      Hiroshi Sekigawa, Kiyoshi Shirayanagi
    • Organizer
      International Symposium on Symbolic and Algebraic Computation 2010
    • Place of Presentation
      ミュンヘン工科大学(ドイツ)
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] 安定化理論に基づくISCZ法の有効性について,京都大学数理解析研究所研究集会2009

    • Author(s)
      白柳潔, 関川浩
    • Organizer
      Computer Algebra-Design of Algorithms, Implementations and Applications
    • Place of Presentation
      京都大学(京都市)
    • Year and Date
      2009-11-04
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] Reducing Exact Computations to Obtain Exact Results Based on Stabilization Techniques2009

    • Author(s)
      K. Shirayanagi and H. Sekigawa
    • Organizer
      The 3^<rd> International Symposium on Symbolic and Algebraic Computation
    • Place of Presentation
      コープイン京都(京都市)
    • Year and Date
      2009-08-03
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] A Sequence of Nearest Polynomials with Given Factors2009

    • Author(s)
      H. Sekigawa
    • Organizer
      The 9th Asian Symposium on Computer Mathematics and the 3rd International Conference on Mathematical Aspects of Computer and Information Sciences
    • Place of Presentation
      JALリゾートシーホークホテル福岡(福岡市)
    • Year and Date
      2009-12-14
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] A New Method of Reducing Exact Computations to Obtain Exact Results2009

    • Author(s)
      K. Shirayanagi and H. Sekigawa
    • Organizer
      International Symposium on Symbolic and Algebraic Computation2009
    • Place of Presentation
      Korea Institute for Advanced Study(韓国)
    • Year and Date
      2009-07-30
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] Deciding Divisibility between Polynomials with Inexact Coefficients2009

    • Author(s)
      H. Nakayama and H. Sekigawa
    • Organizer
      International Symposium on Symbolic and Algebraic Computation2009
    • Place of Presentation
      Korea Institute for Advanced Study(韓国)
    • Year and Date
      2009-07-30
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] 行列分解と複素アダマール行列への応用2009

    • Author(s)
      河野泰人, 関川浩
    • Organizer
      電子通信学会量子情報技術研究会
    • Place of Presentation
      電気通信大学
    • Year and Date
      2009-11-04
    • Data Source
      KAKENHI-PROJECT-20500024
  • [Presentation] Producing quantum circuits of the extended Clifford group2009

    • Author(s)
      Y.Kawano, H.Sekigawa
    • Organizer
      The 12^<th> Workshop on Quantum Information Processing 2009
    • Place of Presentation
      Santa Fe, アメリカ
    • Year and Date
      2009-01-14
    • Data Source
      KAKENHI-PROJECT-20500024
  • [Presentation] A Sequence of Nearest Polynomials with Given Factors2009

    • Author(s)
      Hiroshi Sekigawa
    • Organizer
      The 9th Asian Symposium on Computer Mathematics and the 3rd International Conference on Mathematical Aspects of Computer and Information Sciences
    • Place of Presentation
      JALリゾート シーホークホテル福岡(福岡市)
    • Year and Date
      2009-12-14
    • Data Source
      KAKENHI-PROJECT-21500026
  • [Presentation] Quantum Fourier Transform over Symmetric Groups

    • Author(s)
      Yasuhito Kawano, Hiroshi Sekigawa
    • Organizer
      38th International Symposium on Symbolic and Algebraic Computation
    • Place of Presentation
      ノースイースタン大学(ボストン、米国)
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Presentation] Computing a Perturbation Bound for Preserving the Number of Common Zeros of a Polynomial System

    • Author(s)
      Hiroshi Sekigawa, Kiyoshi Shirayanagi
    • Organizer
      18th Asian Technology Conference in Mathematics
    • Place of Presentation
      インド工科大学(ムンバイ、インド)
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Presentation] 制限付きの最小包囲正方形問題

    • Author(s)
      小形幸輝、関川浩
    • Organizer
      Risa/Asir Conference 2014
    • Place of Presentation
      神戸大学(神戸市)
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Presentation] 連立代数方程式の解の個数を保つ摂動限界

    • Author(s)
      関川浩、白柳潔
    • Organizer
      第21回日本数式処理学会大会
    • Place of Presentation
      山口大学(山口市)
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Presentation] Quantum Fourier Transform over Symmetric Groups --- Improved Result

    • Author(s)
      Yasuhito Kawano and Hiroshi Sekigawa
    • Organizer
      ACM ISSAC (International Symposium on Symbolic and Algebraic Computation) 2014
    • Place of Presentation
      神戸大学(兵庫県神戸市)
    • Year and Date
      2014-07-23 – 2014-07-25
    • Data Source
      KAKENHI-PROJECT-25330021
  • [Presentation] 解を持たない連立代数方程式に対する係数の摂動限界

    • Author(s)
      関川浩、白柳潔
    • Organizer
      Risa/Asir Conference 2013
    • Place of Presentation
      神戸大学(神戸市)
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Presentation] Computing the Nearest Real Univariate Polynomial with a Real Multiple Zero and Its Application

    • Author(s)
      Hiroshi Sekigawa
    • Organizer
      10th Asian Symposium on Computer Mathematics
    • Place of Presentation
      中国科学院(北京、中国)
    • Invited
    • Data Source
      KAKENHI-PROJECT-24500022
  • [Presentation] Interval-symbol Method with Correct Zero Rewriting: Reducing Exact Computations to Obtain Exact Results

    • Author(s)
      Kiyoshi Shirayanagi, Hiroshi Sekigawa
    • Organizer
      18th Asian Technology Conference in Mathematics
    • Place of Presentation
      インド工科大学(ムンバイ、インド)
    • Data Source
      KAKENHI-PROJECT-24500022
  • 1.  SHIRAYANAGI Kioshi (80396176)
    # of Collaborated Projects : 3results
    # of Collaborated Products : 29results
  • 2.  Kawano Yasuhito (40396180)
    # of Collaborated Projects : 3results
    # of Collaborated Products : 12results
  • 3.  山下 茂 (30362833)
    # of Collaborated Projects : 1results
    # of Collaborated Products : 1results
  • 4.  中西 正樹 (40324967)
    # of Collaborated Projects : 1results
    # of Collaborated Products : 1results

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