Mar. 2016

Mar. 2018

Mar. 2021

Groebner basis

Primary Decomposition

Modular Techniques

パラメータ付きイデアル計算

Symbolic-Numeric Hybrid Approach

Natural sciences, Algebra, Computer Algebra

Informatics, Information theory

Apr. 2024 - Present
Nihon University, College of Science and Technology Department of Mathematics, 助教

Apr. 2021 - Apr. 2024
Tokyo University of Science, Faculty of Science, Division 1 Department of Applied Mathematics, 嘱託助教

Jul. 2024 - Present

Apr. 2022 - Present

Sep. 2022 - Jun. 2024

Dec. 2023 - Mar. 2024

2018
一般社団法人日本数式処理学会, 日本数式処理学会若手研究者賞
二重イデアル商を用いた Effective Localization
石原侑樹

Learning to Compute Gröbner Bases
Hiroshi Kera; Yuki Ishihara; Yuta Kambe; Tristan Vaccon; Kazuhiro Yokoyama
The Thirty-Eighth Annual Conference on Neural Information Processing Systems (NeurIPS 2024), Dec. 2024, Refereed

Computing Endomorphism Rings of Supersingular Elliptic Curves by Finding Cycles in Concatenated Supersingular Isogeny Graphs
Yuta Kambe; Akira Katayama; Yusuke Aikawa; Yuki Ishihara; Masaya Yasuda; Kazuhiro Yokoyama
COMMENTARII MATHEMATICI UNIVERSITATIS SANCTI PAULI, 2024, Refereed, Not invited

Primary Decomposition of Symmetric Ideals
Yuki Ishihara
COMMENTARII MATHEMATICI UNIVERSITATIS SANCTI PAULI, 2024, Refereed, Not invited

Efficient Localization at a Prime Ideal Without Producing Unnecessary Primary Components
Yuki Ishihara
Mathematics in Computer Science, Sep. 2022, Refereed
Lead

Modular Techniques for Intermediate Primary Decomposition
Yuki Ishihara
Proceedings of the 2022 International Symposium on Symbolic and Algebraic Computation, Jul. 2022, Refereed
Lead

Computation of a Primary Component of an Ideal from Its Associated Prime by Effective Localization
Yuki Ishihara; Kazurhiro Yokoyama
Communications of the Japan Society for Symbolic and Algebraic Computation, Dec. 2020, Refereed, Not invited
Lead

Modular techniques for effective localization and double ideal quotient
Yuki Ishihara
Proceedings of the 45th International Symposium on Symbolic and Algebraic Computation, Jul. 2020, Refereed, Not invited
Lead

On FGLM algorithms with tropical Gröbner bases
Yuki Ishihara; Tristan Vaccon; Kazuhiro Yokoyama
Proceedings of the 45th International Symposium on Symbolic and Algebraic Computation, Jul. 2020, Refereed, Not invited

Effective Localization Using Double Ideal Quotient and Its Implementation.
Yuki Ishihara; Kazuhiro Yokoyama
Computer Algebra in Scientific Computing - 20th International Workshop(CASC), 2018, Refereed, Not invited
Lead

Complexities of Text from the Points of View of Lexical and Syntactic Characteristics:Quantitative Analysis of Linguistic Features of Primary School Textbooks
Arai Teiko; Bunji Kyosuke; Ishihara Yuki; Matsuzaki Takuya; Kageura Kyo
Mathematical Linguistics, 2017, Refereed, Not invited

パラメトリック準素分解とヒルベルト幾何—2023年度合同分科会報告
石原 侑樹
数式処理 = Bulletin of the Japan Society for Symbolic and Algebraic Computation, Jun. 2024

対称イデアルの準素分解アルゴリズム—A Primary Decomposition Algorithm for Symmetric Ideals—Computer Algebra : Foundations and Applications
石原 侑樹
数理解析研究所講究録, May 2024

数値計算を利用した準素成分の候補の計算—日本数式処理学会第32回大会報告
石原 侑樹
数式処理 = Bulletin of the Japan Society for Symbolic and Algebraic Computation, Jan. 2024

パラメータ付きのイデアル操作の計算について—On Computations of Ideal Operations with Parameters—Computer Algebra : Foundations and Applications
石原 侑樹
数理解析研究所講究録, Jun. 2023

有限体上の計算を利用した準素イデアル分解—日本数式処理学会第31回大会報告
石原 侑樹
数式処理 = Bulletin of the Japan Society for Symbolic and Algebraic Computation, Jan. 2023

極大独立集合による局所化について—On Localization by Maximal Independent Set—Computer Algebra : Foundations and Applications
石原 侑樹
数理解析研究所講究録, Jun. 2022

素イデアルによる局所化のアルゴリズム—日本数式処理学会第30回大会報告
石原 侑樹
数式処理 = Bulletin of the Japan Society for Symbolic and Algebraic Computation, Apr. 2022

A New Algorithm for Primary Decomposition Using Double Ideal Quotient (Computer Algebra : Theory and its Applications)
石原 侑樹
数理解析研究所講究録, Dec. 2019, Not refereed, Not invited

数値計算を用いたイデアルの効果的な局所化操作 (分科会報告 2018年度理論分科会&システム分科会合同研究会報告)
石原 侑樹
数式処理 = Bulletin of the Japan Society for Symbolic and Algebraic Computation, Jul. 2019, Not refereed, Not invited

二重イデアル商を用いたEffective Localization (第27回日本数式処理学会大会報告)
石原 侑樹
数式処理 = Bulletin of the Japan Society for Symbolic and Algebraic Computation, Jan. 2019, Not refereed, Not invited

Extを用いた準素イデアル分解の計算 (第26回日本数式処理学会大会報告)
石原 侑樹
数式処理 = Bulletin of the Japan Society for Symbolic and Algebraic Computation, May 2018, Not refereed, Not invited

★Modular techniques for effective localization and double ideal quotient
Yuki Ishihara
The International Symposium on Symbolic and Algebraic Computation (ISSAC) 2020,, Jul. 2020

★On FGLM Algorithms with Tropical Gröbner bases
Yuki Ishihara; Tristan Vaccon; Kazuhiro Yokoyama
The 45th International Symposium on Symbolic and Algebraic Computation, Jul. 2020

★Effective Localization Using Double Ideal Quotient and Its Implementation
Yuki Ishihara; Kazuhiro Yokoyama
The 20th International Workshop on Computer Algebra in Scientific Computing, Sep. 2018, Not invited

零次元根基イデアルの素イデアル分解と記号的固有値法
照井章; 石原侑樹; 小原功任; 田島慎一
Risa/Asir Conference 2025, Mar. 2025, Not invited

同種写像問題に対する攻撃法の比較：自己準同型環計算による攻撃 vs. 中間一致攻撃
神戸祐太; 片山瑛; 相川勇輔; 石原侑樹; 安田雅哉; 横山和弘
2025年 暗号と情報セキュリティシンポジウム（SCIS2025）, Jan. 2025, Not invited

Learning to compute Gröbner bases
Hiroshi Kera; Yuki Ishihara; Yuta Kambe; Tristan Vaccon; Kazuhiro Yokoyama
The Thirty-Eighth Annual Conference on Neural Information Processing Systems, Dec. 2024, Not invited

パラメトリック準素分解と有理関数体上の準素分解
石原侑樹
理科大計算機代数セミナー, Sep. 2024, Invited

パラメトリック準素イデアルの代入後の準素性
石原侑樹, 横山和弘
齋藤友克先生記念特別研究会, Sep. 2024, Not invited

Computation of Saturation for Primary Decomposition of Symmetric Ideals
Yuki Ishihara
Computer Algebra in Scientific Computing, Sep. 2024, Not invited

Gröbner basis computation via learning
Kera Hiroshi; Yuki Ishihara; Tristan Vaccon; Kazuhiro Yokoyama
SCSS 2024 the 10th International Symposium on Symbolic Computation in Software Science, Aug. 2024, Not invited

パラメトリック準素分解とヒルベルト幾何
石原侑樹
日本数式処理学会2023年度合同分科会, Jan. 2024, Not invited

同種写像グラフ上のサイクル探索による同種写像求解法の高効率化
神戸祐太; 片山瑛; 相川勇輔; 石原侑樹; 安田雅哉; 横山和弘
2024年暗号と情報セキュリティシンポジウム（SCIS2024), Jan. 2024, Not invited

A Primary Decomposition Algorithm for Symmetric Ideals
Yuki Ishihara
RIMS 共同研究(公開型) Computer Algebra — Theory and its Applications, Dec. 2023, Not invited

Gröbner basis computation using Transformers
Hiroshi Kera; Yuki Ishihara; Yuta Kambe; Tristan Vaccon; Kazuhiro Yokoyama
第26回情報論的学習理論ワークショップ (IBIS2023), Oct. 2023, Not invited

Parametric Ideal Operations
Yuki Ishihara
10th International Congress on Industrial and Applied Mathematics (ICIAM 2023), Aug. 2023, Not invited

Solving the supersingular isogeny problem over Fp via the Deuring correspondence
Yuta Kambe; Akira Katayama; Yusuke Aikawa; Yuki Ishihara; Masaya Yasuda; Kazuhiro Yokoyama
Mathcrypt 2023, Aug. 2023, Not invited

数値計算を利用した準素成分の候補の計算
石原侑樹
日本数式処理学会第32回大会, Jun. 2023, Not invited

Primary Decompositions for Symmetric Ideals
Yuki Ishihara
Risa/Asir Conference 2023, Mar. 2023, Not invited

On Computations of Ideal Operations with Parameters
Yuki Ishihara
日本数学会 2023 年度年会, Mar. 2023, Not invited

Report on the Implementation of Computing Endomorphism Rings of Supersingular Elliptic Curves
神戸祐太; 片山瑛; 相川勇輔; 石原侑樹; 安田雅哉; 横山和弘
2023 Symposium on Cryptography and Information Security, Jan. 2023, Not invited

On Computations of Ideal Operations with Parameters
Yuki Ishihara
RIMS 共同研究(公開型) Computer Algebra — Theory and its Applications, Dec. 2022, Not invited

Modular Techniques for Intermediate Primary Decomposition
Yuki Ishihara
The International Symposium on Symbolic and Algebraic Computation (ISSAC) 2022, Jul. 2022, Not invited

Intermediate Primary Decomposition by Modular Techniques
Yuki Ishihara
日本数式処理学会第31回大会, Jun. 2022, Not invited

モジュラー技法を用いた中間準素分解
石原侑樹
Risa/Asir Conference 2022, Mar. 2022, Not invited

極大独立集合による局所化について
石原侑樹
RIMS 共同研究(公開型) Computer Algebra — Theory and its Applications, Dec. 2021, Not invited

Efficient Localization at a Prime Ideal Without Producing Unnecessary Primary Components
Yuki Ishihara
Computer Algebra in Scientific Computing (CASC) 2021, Sep. 2021, Not invited

Double Ideal Quotient and Its Application
Yuki Ishihara
Applications of Computer Algebra 2021, Jul. 2021, Not invited

素イデアルによる局所化のアルゴリズム
石原侑樹
日本数式処理学会第30回大会, Jun. 2021, Not invited

モジュラー技法を用いた素因子の判定
石原侑樹
Risa/Asir Conference 2021, Mar. 2021, Not invited

Modular Techniques を用いた効率的な局所化操作の計算
石原侑樹
Software in Mathematics Demonstration Track in Hakata Workshop 2020, Feb. 2020, Not invited

Modular 計算を利用した効率的な局所化操作
石原侑樹
Risa/Asir Conference 2019, Mar. 2019, Not invited

A New Algorithm for Primary Decomposition Using Double Ideal Quotient
石原侑樹
RIMS 共同研究(公開型) Computer Algebra — Theory and its Applications, Dec. 2018, Not invited

数値計算を用いたイデアルの効率的な局所化操作
石原侑樹
日本数式処理学会2018年度基礎理論分科会＆システム分科会合同研究会, Sep. 2018, Not invited

二重イデアル商を用いた Effective Localization
石原侑樹
日本数式処理学会 第27回大会, Jun. 2018, Not invited

二重イデアル商を用いた局所化操作とその実装
Risa/Asir Conference 2018,, Mar. 2018, Not invited

計算機代数とグレブナー基底について
石原侑樹
第一回数理新人セミナー, Feb. 2018, Not invited

Extを用いた準素イデアル分解の計算
石原侑樹
日本数式処理学会 第26回大会, Jun. 2017, Not invited

Sep. 2024 - Jan. 2025

Sep. 2024 - Jan. 2025

Sep. 2024 - Jan. 2025

Sep. 2024 - Jan. 2025

Apr. 2024 - Jul. 2024

Apr. 2024 - Jul. 2024

Apr. 2024 - Jul. 2024

Apr. 2024 - Jul. 2024

Information Science 4
Oct. 2023 - Mar. 2024
Rikkyo University

Information Science 2
Oct. 2023 - Mar. 2024
Rikkyo University

Senior Seminar（Assistant）
Apr. 2022 - Mar. 2024
Tokyo University of Science

Fundamentals of Computer Mathematics (Exercises)
Apr. 2021 - Mar. 2024
Tokyo University of Science

Information Science 3
Apr. 2023 - Sep. 2023
Rikkyo University

Information Science 1
Apr. 2023 - Sep. 2023
Rikkyo University

Introduction to Applied Mathematics
Apr. 2023 - Aug. 2023
Tokyo University of Science

Selected topics in Applied Mathematics 2
Sep. 2022 - Mar. 2023
Tokyo University of Science

Introduction to Applied Mathematics
Jun. 2022 - Aug. 2022
Tokyo University of Science

Exercises in Mathematical Information Theory 2
Apr. 2022 - Jul. 2022
Rikkyo University

Exercises in Introduction to Linear Algebra
Apr. 2022 - Jul. 2022
Rikkyo University

Exercises in Mathematical Information Theory 1
Apr. 2022 - Jul. 2022
Rikkyo University

Introduction to Computers
Apr. 2022 - Jun. 2022
Tokyo University of Science

Exercises in Differential and Integral Calculus 1
Sep. 2021 - Mar. 2022
Rikkyo University

Apr. 2023 - Present
The Japan Society for Industrial and Applied Mathematics

Oct. 2021 - Present
日本数学会

May 2017 - Present
日本数式処理学会

数値数式融合計算による準素分解の高速化
日本学術振興会, 科学研究費助成事業 若手研究, 01 Apr. 2022 - 31 Mar. 2027
石原 侑樹

記号計算の高速化と産業課題解決への応用2
九州大学 マス・フォア・インダストリ研究所, 2024年度IMI共同利用研究計画 若手・学生研究-短期共同研究, Apr. 2024 - Mar. 2025
石原侑樹; 深作亮也; 池松泰彦; 神戸祐太; 岩根秀直; 伊藤勝; 小林宗広; 湯野剛史; 計良宥志; 庵智幸

記号計算の高速化と産業課題解決への応用
九州大学 マス・フォア・インダストリ研究所, 2023年度IMI共同利用研究計画 若手・学生研究-短期共同研究, Apr. 2023 - Mar. 2024
石原侑樹; 深作亮也; 池松泰彦; 神戸祐太; 岩根秀直; 伊藤勝; 小林宗広; 湯野剛史; 計良宥志

限量子消去の効率的なアルゴリズムの構築と産業課題解決への応用
九州大学 マス・フォア・インダストリ研究所, 2022年度IMI共同利用研究計画 若手・学生研究-短期共同研究, Apr. 2023 - Mar. 2024
石原侑樹; 深作亮也; 池松泰彦; 神戸祐太; 岩根秀直

二重イデアル商を用いた計算可換代数の新領域の開拓
日本学術振興会, 日本学術振興会若手研究者海外挑戦プログラム, Oct. 2019 - Jan. 2020