NAGASAKA KOSAKU 長坂耕作

… Alternative Names

Nagasaka Kosaku 長坂耕作

NAGASAKA Kosaku 長坂耕作

長坂耕作ナガサカコウサク

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Researcher Number	70359909
Other IDs
External Links
Affiliation (Current)	2025: 神戸大学, 人間発達環境学研究科, 准教授
Affiliation (based on the past Project Information) *help	2015 – 2024: 神戸大学, 人間発達環境学研究科, 准教授 2010 – 2013: 神戸大学, 人間発達環境学研究科, 准教授 2007: 神戸大学, 人間発達環境学研究科, 講師 2004 – 2006: 神戸大学, 発達科学部, 講師
Review Section/Research Field	Principal Investigator Basic Section 60010:Theory of informatics-related / Fundamental theory of informatics / Theory of informatics Except Principal Investigator Basic Section 09080:Science education-related / Medium-sized Section 9:Education and related fields / Environmental impact assessment/Environmental policy
Keywords	Principal Investigator 近似代数 / 数値・数式融合計算 / 数式処理 / 計算機代数 / 数値数式融合計算 / 近似Groebner基底 / 近似GCD / 数値Groebner基底 / 代数曲線 / 代数曲面 … More / 有理関数近似 / NewtonSLRA / Groebner basis detection / Bernstein基底 / 補間法 / SLRA / 構造化行列 / 近似最大公約因子 / 最大公約因子 / アルゴリズム / アルゴリズム理論 / 計算代数 / 数値計算 … More Except Principal Investigator オンライン自動採点問題 / ｅラーニング / 線形代数 / 反転学習 / 微積分学 / 数学オンライン問題 / チーティング耐性問題 / 数学オンラインテスト問題 / 形成的評価 / 微積分 / オンラインテスト問題 / オンライン学習 / 学習分析と個別対応 / オンライン問題教材 / 線形代数オンライン問題 / フィードバック付き自習教材 / チーティング耐性 / 大学数学用オンライン問題教材 / LMS活用 / 学習支援環境 / 生成AI活用 / 大学数学教育 / 数学教育 / 数学e-Learning / スマートフォン活用 / 数学オンラインテスト / ICT活用 / 動画開発 / 反転授業 / 学習分析 / 解説動画 / 自動生成多肢選択問題 / 数学オンライン教材 / フィードバック / ランダム出題 / 学習管理システム / 多肢選択問題 / 科学コミュニケーション / 持続可能な開発 / 持続可能な開発のための教育 Less

Research on the Influence of Inherent Data Errors on Algebraic Problems and Their Structural MitigationPrincipal Investigator
- Principal Investigator
  
  長坂耕作
- Project Period (FY)
  2024 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60010:Theory of informatics-related
- Research Institution
  Kobe University
Redefining Cheating-Resistant Property of Mathematical Educational Materials for first-year students in the Era of AI Coexistence and Constructing a Comprehensive Learning Support Environment
- Principal Investigator
  
  吉冨賢太郎
- Project Period (FY)
  2024 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 9:Education and related fields
- Research Institution
  Osaka Metropolitan University
Development and application of online mathematics questions which require deep thought to solve even with cheating
- Principal Investigator
  
  吉冨賢太郎
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 09080:Science education-related
- Research Institution
  Osaka Metropolitan University
  Osaka Prefecture University
Development and Verification of Symbolic-Numeric Computation Suitable for Approximation, Transformation, and Interpolation Operations of Algebraic SurfacesPrincipal Investigator
- Principal Investigator
  
  Nagasaka Kosaku
- Project Period (FY)
  2019 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60010:Theory of informatics-related
- Research Institution
  Kobe University
Development of learning materials suitable for mobile devices which induce students' awareness and deepen understanding
- Principal Investigator
  
  Yoshitomi Kentaro
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 09080:Science education-related
- Research Institution
  Osaka Prefecture University
numerical and mathematical stabilities in fundamental symbolic-numeric computationsPrincipal Investigator
- Principal Investigator
  
  Nagasaka Kosaku
- Project Period (FY)
  2015 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Theory of informatics
- Research Institution
  Kobe University
Symbolic-Numeric Computations for Practical SituationsPrincipal Investigator
- Principal Investigator
  
  NAGASAKA Kosaku
- Project Period (FY)
  2010 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Kobe University
ネットワーキングと協働を通じた持続可能な発展のための地域社会教育システムの構築
- Principal Investigator
  
  伊藤真之
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Environmental impact assessment/Environmental policy
- Research Institution
  Kobe University
多変数多項式の近似代数演算の実用化とその検証Principal Investigator
- Principal Investigator
  
  長坂耕作
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Kobe University

[Journal Article] Jupyter Notebook オモチイタスウガクキョウザイニオケルデザインノカイゼン2024
- Author(s)
  長坂耕作
- Journal Title
  
  城西大学数学科数学教育紀要
  
  Volume: 5 Pages: 13-23
- DOI
  10.20566/sugakukyoiku-5_13
- URL
  https://libir.josai.ac.jp/il/meta_pub/G0000284repository_JOS-sugakukyoiku-05-002
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K20745
[Journal Article] SLRA Interpolation for Approximate GCD of Several Multivariate Polynomials2023
- Author(s)
  Nagasaka Kosaku
- Journal Title
  
  Proceedings of the 2023 International Symposium on Symbolic and Algebraic Computation, ISSAC 2023
  
  Volume: － Pages: 470-479
- DOI
  10.1145/3597066.3597116
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K11827
[Journal Article] 二変数多項式の近似GCD2023
- Author(s)
  長坂耕作
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2255
- Open Access
- Data Source
  KAKENHI-PROJECT-19K11827
[Journal Article] Conditional Groebner Basis: Groebner Basis Detection with Parameters2023
- Author(s)
  Nagasaka Kosaku、Oshimatani Ryo
- Journal Title
  
  ACM Communications in Computer Algebra
  
  Volume: 57 Issue: 3 Pages: 160-164
- DOI
  10.1145/3637529.3637540
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K11827
[Journal Article] 多肢選択問題と順序並び替え問題を併用した学習活動の分析2023
- Author(s)
  長坂耕作
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2273 Pages: 80-90
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K20745
[Journal Article] 数学的思考力と順序並び替え問題の自動生成2022
- Author(s)
  長坂耕作
- Journal Title
  
  数式処理
  
  Volume: 28(2) Pages: 95-108
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K20745
[Journal Article] 階層型多肢選択問題の提案とその可能性2022
- Author(s)
  長坂耕作
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2236 Pages: 50-55
- Data Source
  KAKENHI-PROJECT-23K20745
[Journal Article] Ordering Question with Clue in Moodle2022
- Author(s)
  Kosaku Nagasaka and Takahiro Nakahara
- Journal Title
  
  Proceedings of the Asian Technology Conference in Mathematics
  
  Volume: 27 Pages: 18-31
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K20745
[Journal Article] 計算機代数の講義と試験における計算機の利用について2022
- Author(s)
  長坂耕作
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2236 Pages: 42-49
- Data Source
  KAKENHI-PROJECT-23K20745
[Journal Article] 近似Groebner基底の逐次算法に向けて（再訪）2022
- Author(s)
  長坂耕作
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2224 Pages: 95-102
- Open Access
- Data Source
  KAKENHI-PROJECT-19K11827
[Journal Article] パラメータを伴ったGroebner基底の構造的な検出について2022
- Author(s)
  大島谷遼, 長坂耕作
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2224 Pages: 79-94
- Open Access
- Data Source
  KAKENHI-PROJECT-19K11827
[Journal Article] Approximate square-free part and decomposition2021
- Author(s)
  Nagasaka Kosaku
- Journal Title
  
  Journal of Symbolic Computation
  
  Volume: 104 Pages: 402-418
- DOI
  10.1016/j.jsc.2020.08.004
- NAID
  120006952743
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K11827
[Journal Article] 近似GCDでのNewtonSLRAアルゴリズムの効果的な利用に向けて2021
- Author(s)
  長坂耕作
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2185 Pages: 16-21
- NAID
  120007141777
- Open Access
- Data Source
  KAKENHI-PROJECT-19K11827
[Journal Article] 数学教育における順序並び替え問題2021
- Author(s)
  長坂耕作
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2208 Pages: 68-76
- Open Access
- Data Source
  KAKENHI-PROJECT-23K20745
[Journal Article] 多肢選択問題の自動生成 - 数学IIIの微分積分から偏微分まで -2021
- Author(s)
  長坂耕作
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2178 Pages: 31-38
- Open Access
- Data Source
  KAKENHI-PROJECT-23K20745
[Journal Article] Relaxed NewtonSLRA for Approximate GCD2021
- Author(s)
  Nagasaka Kosaku
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 12865 Pages: 272-292
- DOI
  10.1007/978-3-030-85165-1_16
- ISBN
  9783030851644, 9783030851651
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K11827
[Journal Article] Multiple-choice questions in Mathematics: automatic generation2020
- Author(s)
  Kosaku Nagasaka
- Journal Title
  
  Electronic Proceedings of the 25th Asian Technology Conference in Mathematics
  
  Volume: 25 Pages: 1-15
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K02941
[Journal Article] バーンスタイン基底関数を用いた近似GCDの評価について2020
- Author(s)
  長坂耕作
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 2159 Pages: 132-136
- NAID
  120006956633
- Open Access
- Data Source
  KAKENHI-PROJECT-19K11827
[Journal Article] Approximate GCD by Bernstein Basis, and its Applications2020
- Author(s)
  Nagasaka Kosaku
- Journal Title
  
  Proceedings of the 45th International Symposium on Symbolic and Algebraic Computation, ISSAC 2020
  
  Volume: - Pages: 372-379
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K11827
[Journal Article] スマートフォン適応のLMS 用反転学習問題教材の CAS による自動生成2018
- Author(s)
  吉冨賢太郎・長坂耕作
- Journal Title
  
  教育システム情報学会全国大会予稿集
  
  Volume: 43 Pages: 95-96
- Open Access
- Data Source
  KAKENHI-PROJECT-18K02941
[Journal Article] Parametric Greatest Common Divisors using Comprehensive Groebner Systems2017
- Author(s)
  Nagasaka Kosaku
- Journal Title
  
  Proceedings of the 2017 ACM on International Symposium on Symbolic and Algebraic Computation
  
  Volume: - Pages: 341-348
- DOI
  10.1145/3087604.3087621
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K00016
[Journal Article] Extended QRGCD Algorithm2013
- Author(s)
  K.Nagasaka and T.Masui
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: Vol.8136 Pages: 257-272
- DOI
  10.1007/978-3-319-02297-0_22
- NAID
  120005474300
- ISBN
  9783319022963, 9783319022970
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22700011
[Journal Article] Approximate Polynomial GCD over Integers2011
- Author(s)
  K.Nagasaka
- Journal Title
  
  Journal of Symbolic Computation
  
  Volume: Vol.46(12) Pages: 1306-1317
- NAID
  120005348234
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22700011
[Journal Article] Computing a Structured Groebner Basis Approximately2011
- Author(s)
  K.Nagasaka
- Journal Title
  
  Proc. International Symposium on Symbolic and Algebraic Computation 2011
  
  Pages: 273-280
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22700011
[Journal Article] Using Coefficient-wise Tolerance in Symbolic-Numeric Algorithms for Polynomials.2006
- Author(s)
  Kosaku Nagasaka
- Journal Title
  
  数式処理 12 (3)
  
  Pages: 21-30
- NAID
  10018138099
- Data Source
  KAKENHI-PROJECT-16700016
[Journal Article] Towards More Accurate Separation Bounds of Empirical Polynomials II2005
- Author(s)
  Kosaku Nagasaka
- Journal Title
  
  Proc.CASC 2005, Lecture Notes in Computer Science 3718
  
  Pages: 318-329
- NAID
  120005348238
- Data Source
  KAKENHI-PROJECT-16700016
[Journal Article] 一変数多項式の近似代数演算の実用化の試み2005
- Author(s)
  長坂耕作
- Journal Title
  
  数式処理学会誌 11・2(予定)
- NAID
  40007193756
- Data Source
  KAKENHI-PROJECT-16700016
[Journal Article] SNAP Package for Mathematica and Its Applications2004
- Author(s)
  Kosaku Nagasaka
- Journal Title
  
  Proc.The Ninth Asian Technology Conference in Mathematics
  
  Pages: 308-316
- Data Source
  KAKENHI-PROJECT-16700016
[Journal Article] Approximate Polynomial GCD over Integers
- Author(s)
  Kosaku Nagasaka
- Journal Title
  
  Journal of Symbolic Computation
  
  Volume: (掲載確定)
- NAID
  120005348234
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22700011
[Journal Article] Computing a Structured Groebner Basis Approximately
- Author(s)
  Kosaku Nagasaka
- Journal Title
  
  Proceedings of the 2011 International Symposium on Symbolic and Algebraic Computation
  
  Volume: (掲載確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 線形代数における階層型多肢選択問題の改善2024
- Author(s)
  長坂耕作
- Organizer
  日本数式処理学会第16期第3回教育分科会
- Data Source
  KAKENHI-PROJECT-23K20745
[Presentation] JupyterLab を用いた数学教材作成時のデザイン考2023
- Author(s)
  長坂耕作
- Organizer
  第5回数学教育セミナー「オンラインを利用した数学教育の現状とこれから」
- Data Source
  KAKENHI-PROJECT-23K20745
[Presentation] Conditional Groebner Basis: Groebner Basis Detection with Parameters2023
- Author(s)
  Kosaku Nagasaka, Ryo Oshimatani
- Organizer
  The 48th International Symposium on Symbolic and Algebraic Computation (ISSAC 2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] SLRA Interpolation for Approximate GCD of Several Multivariate Polynomials2023
- Author(s)
  Kosaku Nagasaka
- Organizer
  The 48th International Symposium on Symbolic and Algebraic Computation (ISSAC 2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] 多変数多項式の近似GCD2023
- Author(s)
  長坂耕作
- Organizer
  研究集会 Computer Algebra - Foundations and Applications
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] Jupyter Notebookでの数学教材作成における事前学習教材の事例紹介2023
- Author(s)
  長坂耕作
- Organizer
  日本数式処理学会第16期第1回教育分科会
- Data Source
  KAKENHI-PROJECT-23K20745
[Presentation] 多肢選択問題と順序並び替え問題を併用した学習活動の分析2023
- Author(s)
  長坂耕作
- Organizer
  研究集会数学ソフトウェアとその効果的教育利用に関する研究
- Data Source
  KAKENHI-PROJECT-23K20745
[Presentation] パラメータを伴ったGroebner基底の構造的な検出法の改善2022
- Author(s)
  長坂耕作
- Organizer
  日本数式処理学会第31回大会
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] 多肢選択問題と順序並び替え問題の作問と数式処理2022
- Author(s)
  長坂耕作
- Organizer
  日本数式処理学会第15期第3回教育分科会
- Data Source
  KAKENHI-PROJECT-23K20745
[Presentation] 二変数多項式の近似GCD2022
- Author(s)
  長坂耕作
- Organizer
  研究集会 Computer Algebra - Foundations and Applications
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] Groebner basis detection with parameters2022
- Author(s)
  Kosaku Nagasaka, Ryo Oshimatani
- Organizer
  Computer Algebra in Scientific Computing: 24th International Workshop, CASC 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] 近似Groebner基底の逐次算法に向けて（再訪）2021
- Author(s)
  長坂耕作
- Organizer
  研究集会 Computer Algebra - Theory and its Applications
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] 中等数学の証明問題と自動採点における課題2021
- Author(s)
  長坂耕作,青山雄太郎
- Organizer
  日本数式処理学会第15期第2回教育分科会
- Data Source
  KAKENHI-PROJECT-23K20745
[Presentation] 数学教育における順序並び替え問題2021
- Author(s)
  長坂耕作
- Organizer
  研究集会数学ソフトウェアとその効果的教育利用に関する研究
- Data Source
  KAKENHI-PROJECT-23K20745
[Presentation] Approximate GCD by relaxed NewtonSLRA algorithm2021
- Author(s)
  Kosaku Nagasaka
- Organizer
  The 46th International Symposium on Symbolic and Algebraic Computation (ISSAC 2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] NewtonSLRAの緩和アルゴリズムとその効果2021
- Author(s)
  長坂耕作
- Organizer
  日本数式処理学会第30回大会
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] Relaxed NewtonSLRA for Approximate GCD2021
- Author(s)
  Kosaku Nagasaka
- Organizer
  The 23rd International Workshop on Computer Algebra in Scientific Computing, CASC 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] 近似GCD関連問題におけるNewtonSLRAアルゴリズムの評価2020
- Author(s)
  長坂耕作
- Organizer
  日本数式処理学会第29回大会
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] 近似GCDでのNewtonSLRAアルゴリズムの効果的な利用に向けて2020
- Author(s)
  長坂耕作
- Organizer
  研究集会 Computer Algebra - Theory and its Applications
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] Approximate GCD by Bernstein Basis, and its Applications2020
- Author(s)
  Nagasaka Kosaku
- Organizer
  The 45th International Symposium on Symbolic and Algebraic Computation, ISSAC 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] Multiple-choice questions in Mathematics: automatic generation2020
- Author(s)
  Kosaku Nagasaka
- Organizer
  25th Asian Technology Conference in Mathematics(ATCM), 2020
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K02941
[Presentation] バーンスタイン基底関数を用いた近似GCDの評価について2019
- Author(s)
  長坂耕作
- Organizer
  研究集会 Computer Algebra - Theory and its Applications
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] 近似GCDとその応用2019
- Author(s)
  長坂耕作
- Organizer
  長坂耕作第28回日本数式処理学会大会
- Data Source
  KAKENHI-PROJECT-19K11827
[Presentation] スマートフォン適応のLMS 用反転学習問題教材の CAS による自動生成2018
- Author(s)
  吉冨賢太郎・長坂耕作
- Organizer
  教育システム情報学会第43回全国大会
- Data Source
  KAKENHI-PROJECT-18K02941
[Presentation] 近似GCDの枠組みでの近似無平方分解2018
- Author(s)
  長坂耕作
- Organizer
  研究集会 Computer Algebra - Theory and its Applications
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] 近似GCDアルゴリズムの性能評価と選択基準2018
- Author(s)
  長坂耕作
- Organizer
  第27回日本数式処理学会大会
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] GCDと関連研究の整理(1)2018
- Author(s)
  長坂耕作
- Organizer
  ワークショップ「GCD and related topics」
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] Parametric Greatest Common Divisors using Comprehensive Groebner Systems2017
- Author(s)
  Kosaku Nagasaka
- Organizer
  ISSAC 2017 (International Symposium on Symbolic and Algebraic Computation, 2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] パラメータを伴う最大公約因子計算における停止性2017
- Author(s)
  長坂耕作
- Organizer
  日本数式処理学会合同分科会
- Place of Presentation
  京都大学産連本部東京日本橋サテライトオフィス（東京都・中央区）
- Year and Date
  2017-01-21
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] 近似GCDアルゴリズムの新たな組み合わせ2017
- Author(s)
  長坂耕作
- Organizer
  研究集会 Computer Algebra - Theory and its Applications
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] STLN-GCDの実装とその性能評価について2017
- Author(s)
  長坂耕作
- Organizer
  第26回日本数式処理学会大会
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] 近似GCDの大規模実験とExQRGCDの性能向上について2016
- Author(s)
  長坂耕作
- Organizer
  第25回日本数式処理学会大会
- Place of Presentation
  福岡大学（福岡県・福岡市）
- Year and Date
  2016-06-03
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] Seeking Better Algorithms for Approximate GCD2016
- Author(s)
  Kosaku Nagasaka
- Organizer
  International Symposium on Symbolic and Algebraic Computation, ISSAC2016 (Poster Presentations)
- Place of Presentation
  Waterloo（Canada）
- Year and Date
  2016-07-20
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] パラメータを含んだ多項式の最大公約因子の計算法2016
- Author(s)
  長坂耕作
- Organizer
  研究集会 Computer Algebra and Related Topics
- Place of Presentation
  京都大学数理解析研究所（京都府・京都市）
- Year and Date
  2016-12-07
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] Approximate GCD and Its Implementations2016
- Author(s)
  Kosaku Nagasaka
- Organizer
  Milestones in Computer Algebra, MICA2016
- Place of Presentation
  Waterloo（Canada）
- Year and Date
  2016-07-16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] 近似GCDにおける逐次的なQR分解法とその実装について II2015
- Author(s)
  長坂耕作
- Organizer
  RIMS研究集会 Computer Algebra and Related Topics
- Place of Presentation
  京都大学北部総合教育研究棟益川ホール（京都府・京都市）
- Year and Date
  2015-12-02
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] 近似GCD向けChasingアルゴリズム改良の試み2015
- Author(s)
  長坂耕作
- Organizer
  第24回日本数式処理学会大会
- Place of Presentation
  筑波大学情報メディアユニオンメディアホール（茨城県・つくば市）
- Year and Date
  2015-06-05
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] 近似GCDにおける逐次的なQR分解法とその実装について2015
- Author(s)
  長坂耕作
- Organizer
  RIMS共同研究数式処理研究の新たな発展
- Place of Presentation
  京都大学数理解析研究所 110号室（京都府・京都市）
- Year and Date
  2015-08-19
- Data Source
  KAKENHI-PROJECT-15K00016
[Presentation] 近似GCDの速度比較 qrgcdからfastgcdまで2014
- Author(s)
  長坂耕作
- Organizer
  Risa/Asir Conference 2014
- Place of Presentation
  神戸大学
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似GCDアルゴリズムの改良 - QRGCDの解析とExQRGCDとの比較 -2013
- Author(s)
  長坂耕作，増井貴明
- Organizer
  第42回数値解析シンポジウム
- Place of Presentation
  愛媛県松山市
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 厳密に与えられた系のGroebner基底を数値的に求める場合に必要な桁精度の考察2013
- Author(s)
  長坂耕作
- Organizer
  研究集会数式処理研究と産学連携の新たな発展
- Place of Presentation
  九州大学マス・フォア・インダストリ研究所
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 厳密に与えられた系のGroebner 基底を数値的に求める場合に必要な桁精度の考察2013
- Author(s)
  長坂耕作
- Organizer
  研究集会「数式処理研究と産学連携の新たな発展」
- Place of Presentation
  九州大学マス・フォア・インダストリ研究所
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] Revisiting QRGCD and Comparison with ExQRGC2013
- Author(s)
  K.Nagasaka and T.Masui
- Organizer
  ISSAC 2013
- Place of Presentation
  Boston, USA (Poster presentations 査読有)
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似GCD アルゴリズムにおける枢軸選択の影響2013
- Author(s)
  長坂耕作
- Organizer
  RIMS 研究集会「数式処理とその周辺分野の研究」
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] Revisiting QRGCD and Comparison with ExQRGCD2013
- Author(s)
  K.Nagasaka and T.Masui
- Organizer
  ISSAC 2013 Poster presentations
- Place of Presentation
  Boston, USA
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似 GCD アルゴリズムにおける枢軸選択の影響2013
- Author(s)
  長坂耕作
- Organizer
  RIMS 研究集会「数式処理とその周辺分野の研究」
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似GCDの性能評価 - LIBSNAPにおける3つの実装 -2013
- Author(s)
  長坂耕作
- Organizer
  第22回日本数式処理学会大会
- Place of Presentation
  防衛大学校
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似グレブナ基底の後退誤差解析の試み2012
- Author(s)
  長坂耕作
- Organizer
  Risa/Asir Conference 2012
- Place of Presentation
  神戸大学(兵庫県)
- Year and Date
  2012-03-20
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] Backward error analysis of approximate Groebner basis2012
- Author(s)
  Kosaku Nagasaka
- Organizer
  ISSAC 2012 Poster presentations （査読有）
- Place of Presentation
  グルノーブル（フランス）
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] Backward error analysis of approximate Groebner basis2012
- Author(s)
  K.Nagasaka
- Organizer
  ISSAC 2012
- Place of Presentation
  Grenoble, France (Poster presentations 査読有)
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] A Symbolic-Numeric Approach to Groebner Basis with Inexact Input2011
- Author(s)
  K.Nagasaka
- Organizer
  Fields Institute Workshop on Hybrid Methodologies for Symbolic-Numeric Computation (Hybrid 2011)
- Place of Presentation
  Waterloo, Canada
- Invited
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] A Symbolic-Numeric Approach to Groebner Basis with Inexact Input2011
- Author(s)
  K.Nagasaka
- Organizer
  Fields Institute Workshop on Hybrid Methodologies for Symbolic-Numeric Computation (Hybrid2011)
- Place of Presentation
  ウォタールー(カナダ)(招待講演)
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 整数係数多項式の近似GCDとその実装2011
- Author(s)
  長坂耕作
- Organizer
  第20回日本数式処理学会大会
- Place of Presentation
  神戸大学(兵庫県)
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] An improvement in the lattice construction process of Approximate Polynomial GCD over Integers2011
- Author(s)
  K.Nagasaka
- Organizer
  Symbolic-Numeric Computation (SNC2011)
- Place of Presentation
  サンノゼ(米国)(査読有)
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似代数の汎用ライブラリに向けて2011
- Author(s)
  長坂耕作
- Organizer
  研究集会数式処理研究の新たな発展
- Place of Presentation
  京都大学数理解析研究所(京都府)
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] An improvement in the lattice construction process of Approximate Polynomial GCD over Integers2011
- Author(s)
  K.Nagasaka
- Organizer
  Symbolic-Numeric Computation (SNC 2011)
- Place of Presentation
  San Jose, USA (査読有)
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似GCDの無平方分解への応用2011
- Author(s)
  長坂耕作
- Organizer
  研究集会Computer Algebra-The Algorithms, Implementations and the Next Generation
- Place of Presentation
  京都大学数理解析研究所(京都府)
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似Groebner 基底とSLRA2010
- Author(s)
  長坂耕作
- Organizer
  第19回日本数式処理学会大会
- Place of Presentation
  名古屋大学ベンチャービジネスラボラトリ
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 準同型暗号と整数及び整数多項式の近似GCD2010
- Author(s)
  長坂耕作
- Organizer
  研究集会数式処理研究の新たな発展
- Place of Presentation
  京都大学数理解析研究所(京都)
- Year and Date
  2010-07-09
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似Groebner基底とSLRA2010
- Author(s)
  長坂耕作
- Organizer
  第19回日本数式処理学会大会
- Place of Presentation
  名古屋大学ベンチャービジネスラボラトリ(愛知)
- Year and Date
  2010-06-11
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似Groebner基底の逐次算法に向けて2010
- Author(s)
  長坂耕作
- Organizer
  研究集会Computer Algebra-Design of Algorithms, Implementations and Applications
- Place of Presentation
  京都大学数理解析研究所(京都)
- Year and Date
  2010-12-02
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] 近似グレブナ基底の後退誤差解析について
- Author(s)
  長坂耕作
- Organizer
  第21回日本数式処理学会大会
- Place of Presentation
  山口大学
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] SNAP パッケージと QRGCD アルゴリズムの改善
- Author(s)
  増井貴明，長坂耕作
- Organizer
  研究集会 Computer Algebra - The Algorithms, Implementations and the Next Generation
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] ExQRGCDの近似代数ライブラリLIBSNAPへの実装について
- Author(s)
  長坂耕作
- Organizer
  Risa/Asir Conference 2013
- Place of Presentation
  神戸大学
- Data Source
  KAKENHI-PROJECT-22700011
[Presentation] The Berlekamp Algorithm -サーベイと試み-
- Author(s)
  長坂耕作
- Organizer
  研究集会数式処理研究の新たな発展
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-22700011

1. Yoshitomi Kentaro (10305609)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
2. 金西計英 (80204577)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
3. 亀田真澄 (10194995)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. 市川裕子 (10290719)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. 樋口三郎 (70272474)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. 伊藤真之 (40213087)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 末本誠 (80162840)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 松岡宏路 (10283847)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 蛯名邦禎 (50151999)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 武田義明 (90155028)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 小松川浩 (10305956)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 濱中裕明 (20294267)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

NAGASAKA KOSAKU 長坂 耕作

Nagasaka Kosaku 長坂 耕作

NAGASAKA Kosaku 長坂 耕作

長坂 耕作 ナガサカ コウサク

Research Projects

Research Products

Co-Researchers

Research on the Influence of Inherent Data Errors on Algebraic Problems and Their Structural MitigationPrincipal Investigator

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Redefining Cheating-Resistant Property of Mathematical Educational Materials for first-year students in the Era of AI Coexistence and Constructing a Comprehensive Learning Support Environment

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Development and application of online mathematics questions which require deep thought to solve even with cheating

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Development and Verification of Symbolic-Numeric Computation Suitable for Approximation, Transformation, and Interpolation Operations of Algebraic SurfacesPrincipal Investigator

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Development of learning materials suitable for mobile devices which induce students' awareness and deepen understanding

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numerical and mathematical stabilities in fundamental symbolic-numeric computationsPrincipal Investigator

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Symbolic-Numeric Computations for Practical SituationsPrincipal Investigator

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ネットワーキングと協働を通じた持続可能な発展のための地域社会教育システムの構築

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多変数多項式の近似代数演算の実用化とその検証Principal Investigator

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[Journal Article] Jupyter Notebook オ モチイタ スウガク キョウザイ ニ オケル デザイン ノ カイゼン2024

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[Journal Article] SLRA Interpolation for Approximate GCD of Several Multivariate Polynomials2023

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[Journal Article] 二変数多項式の近似GCD2023

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[Journal Article] Conditional Groebner Basis: Groebner Basis Detection with Parameters2023

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NAGASAKA KOSAKU 長坂耕作

Nagasaka Kosaku 長坂耕作

NAGASAKA Kosaku 長坂耕作

長坂耕作ナガサカコウサク

[Journal Article] Jupyter Notebook オモチイタスウガクキョウザイニオケルデザインノカイゼン2024

[Journal Article] スマートフォン適応のLMS 用反転学習問題教材の CAS による自動生成2018