Graduate School of Engineering Master's program Communication and Information Networking Associate Professor

Updated on 2025/04/01
博士(機能数理学)
計算代数幾何学
連接層コホモロジー
グレブナー基底
正標数
フロベニウス射
代数曲線
有理点
超特異曲線
超特別曲線
耐量子計算機暗号
同種写像暗号
多変数多項式暗号
Natural Science / Algebra
Kyushu University
2015.4 - 2017.09
Kyushu University
2013.4 - 2015.03
Hiroshima University
2010.4 - 2013.03
Hiroshima University
2009.4 - 2010.03
Fukuoka Institute of Technology Associate Professor
2025.4
Fukuoka Institute of Technology Assistant Professor
2023.4 - 2025.3
The University of Tokyo Assistant Professor
2020.4 - 2023.3
Kobe City College of Technology Lecturer
2019.4 - 2020.3
Kobe City College of Technology Assistant Professor
2018.4 - 2019.3
Fukuoka Institute of Technology
2017.10 - 2018.3
日本数学会
日本応用数理学会
日本数式処理学会
電子情報通信学会
On Hilbert-Poincare series of affine semi-regular polynomial sequences and related Groebner bases Invited Reviewed
Momonari Kudo, Kazuhiro Yokoyama
Mathematical Foundations for Post-Quantum Cryptography, Mathematics for Industry 2025
計算代数幾何学の現在-連接層のコホモロジー群と正標数の代数曲線にまつわる算術を中心に- Invited Reviewed
工藤 桃成
数学 2025
The a-numbers of non-hyperelliptic curves of genus three with large cyclic automorphism group Reviewed
Ryo Ohashi, Momonari Kudo, Shushi Harashita
Acta Arithmetica 2025
Some explicit arithmetic on curves of genus three and their applications Reviewed International journal
Tomoki Moriya, Momonari Kudo
MEGA2024: Effective Methods in Algebraic Geometry 2024.7
The solving degrees of affine semi-regular polynomial sequences Reviewed International journal
Momonari Kudo, Kazuhiro Yokoyama
MEGA2024: Effective Methods in Algebraic Geometry 2024.7
Explicit construction of a plane sextic model for genus-five Howe curves, II Invited Reviewed International journal
Momonari Kudo
Journal of Computational Algebra 11 2024.7
Computing superspecial hyperelliptic curves of genus 4 with automorphism group properly containing the Klein 4-group Invited Reviewed International journal
Ryo Ohashi, Momonari Kudo
Journal of Computational Algebra 11 2024.7
Explicit construction of a plane sextic model for genus-five Howe curves, I Invited Reviewed International journal
Tomoki Moriya, Momonari Kudo
Journal of Computational Algebra 11 2024.7
Computational search for superelliptic curves attaining the gonality-point bound, with extra genus-5 examples Invited Reviewed International journal
Momonari Kudo, Shushi Harashita
Commentarii mathematici Universitatis Sancti Pauli 72 ( 1 ) 57 - 81 2024.7
Polynomial XL: A Variant of the XL Algorithm Using Macaulay Matrices over Polynomial Rings Reviewed International journal
Hiroki Furue, Momonari Kudo
Post-Quantum Cryptography, PQCrypto 2024, Lecture Notes in Computer Science 14772 109 - 143 2024.6
Momonari Kudo, Shushi Harashita
Journal of Symbolic Computation 122 2023.9
Momonari Kudo, Tasuku Nakagawa, Tsuyoshi Takagi
Mathematics in Computer Science 17 ( Article Number 21 ) 2023.9
Improved Hybrid Attack via Error-Splitting Method for Finding Quinary Short Lattice Vectors Reviewed International coauthorship
Haiming Zhu, Shoichi Kamada, Momonari Kudo, Tsuyoshi Takagi
Advances in Information and Computer Security, IWSEC 2023, Lecture Notes in Computer Science 14128 117 - 136 2023.8
代数多様体のコホモロジー群へのフロベニウス作用を計算するアルゴリズム Invited Reviewed
工藤 桃成
日本数式処理学会論文誌「数式処理」 29 ( 2 ) 3 - 30 2023.8
Fast enumeration of superspecial hyperelliptic curves of genus 4 with automorphism group V4 Reviewed
Ryo Ohashi, Momonari Kudo, Shushi Harashita
Arithmetic of Finite Fields, WAIFI 2022, Lecture Notes in Computer Science 13638 107 - 124 2023.1
Algorithmic study of superspecial hyperelliptic curves over finite Fields Reviewed
Momonari Kudo, Shushi Harashita
Commentarii mathematici Universitatis Sancti Pauli 70 49064 2022.12
Revisiting lattice-based attacks using trace map for Ring-LWE Reviewed
Shinya Okumura, Shusaku Uemura, Momonari Kudo
2022 International Symposium on Information Theory and Its Applications (ISITA) 2022.9
Superspecial trigonal curves of genus 5 Reviewed
Momonari Kudo, Shushi Harashita
Experimental Mathematics 31 908 - 919 2022.9
Efficient search for superspecial hyperelliptic curves in large characteristic Reviewed
Tasuku Nakagawa, Mononari Kudo, Tsuyoshi Takagi
Computer Algebra in Scientific Computing (CASC 2022) 4 pages 2022.8
On the computational enumeration of superspecial curves: A survey and complements Reviewed
Hiroki Furue, Momonari Kudo
Computer Algebra in Scientific Computing (CASC 2022) 4 pages 2022.8
Implementation report on computing Groebner bases over exterior algebras Reviewed
Kosuke Sakata, Momonari Kudo, Taku Kato, Kazuhiro Yokoyama
Computer Algebra in Scientific Computing (CASC 2022) 4 pages 2022.8
Counting isomorphism classes of superspecial curves Invited Reviewed
Momonari Kudo
RIMS Kokyuroku Bessatsu B90 77 - 95 2022.6
Introduction to algebraic approaches for solving isogeny path-finding problems Invited Reviewed
Ryoya Fukasaku, Yasuhiko Ikematsu, Momonari Kudo, Masaya Yasuda, Kazuhiro Yokoyama
RIMS Kokyuroku Bessatsu B90 169 - 184 2022.6
Implementation report of the Kohel-Lauter-Petit-Tignol algorithm for the constructive Deuring correspondence Reviewed
Yuta Kambe, Yusuke Aikawa, Momonari Kudo, Kastuyuki Takashima, Masaya Yasuda, Kazuhiro Yokoyama
Proceedings of the Seventh International Conference of Mathematics and Computing (ICMC2021), Advances in Intelligent Systems and Computing 1412 953 - 966 2022.3
Solving the constructive Deuring correspondence via the Kohel-Lauter-Petit-Tignol algorithm Reviewed
Yuta Kambe, Masaya Yasuda, Masayuki Noro, Kazuhiro Yokoyama, Yusuke Aikawa, Katsuyuki Takashima, Momonari Kudo
Mathematical Cryptology 1 ( 2 ) 10 - 24 2022.3
Computing representation matrices for the action of Frobenius on cohomology groups Reviewed
Momonari Kudo
Journal of Symbolic Computation 109 441 - 464 2022.3
Introduction to Computational Algebraic Geometry Invited Reviewed
Momonari Kudo, Shushi Harashita
RIMS Kokyuroku Bessatsu 22 pages 2021.12
Shortest Vectors in Lattices of Bai-Galbraith's Embedding Attack on the LWR Problem Reviewed
Shusaku Uemura, Kazuhide Fukushima, Shinsaku Kiyomoto, Momonari Kudo, Tsuyoshi Takagi
Advances in Information and Computer Security. IWSEC 2021. Lecture Notes in Computer Science 12835 23 - 41 2021.8
Parametrizing generic curves of genus five and its application to finding curves with many rational points Reviewed
Momonari Kudo, Shushi Harashita
MEGA 2021: Effective Methods in Algebraic Geometry 16 pages 2021.6
Algebraic approaches for solving isogeny problems of prime power degrees Reviewed
Yasushi Takahashi, Momonari Kudo, Ryoya Fukasaku, Yasuhiko Ikematsu, Masaya Yasuda, Kazuhiro Yokoyama
Journal of Mathematical Cryptology 15 ( 1 ) 31 - 44 2021.1
Algorithms to enumerate superspecial Howe curves of genus four Reviewed International coauthorship
Momonari Kudo, Shushi Harashita, Everett Howe
Proceedings of the Fourteenth Algorithmic Number Theory Symposium (ANTS-XIV), Open Book Series 4 2020.12
Hybrid meet-in-the-middle attacks for the isogeny path-finding problem Reviewed
Yasuhiko Ikematsu, Ryoya Fukasaku, Momonari Kudo, Masaya Yasuda, Katsuyuki Takashima, Kazuhiro Yokoyama
Proceedings of The 7th ACM ASIA Public-Key Cryptography Workshop (APKC ’20) 36 - 44 2020.10
The existence of supersingular curves of genus 4 in arbitrary characteristic Reviewed
Momonari Kudo, Shushi Harashita, Hayato Senda
Research in Number Theory 6 ( 4 ) 17 pages 2020.10
Automorphism groups of superspecial curves of genus 4 over F11 Reviewed
Momonari Kudo, Shushi Harashita, Hayato Senda
Journal of Pure and Applied Algebra 224 ( 9 ) 19 pages 2020.9
Computational approach to enumerate non-hyperelliptic superspecial curves of genus 4 Reviewed
Momonari Kudo, Shushi Harashita
Tokyo Journal of Mathematics 43 ( 1 ) 259 - 278 2020.6
On the existence of superspecial and maximal nonhyperelliptic curves of genera four and five Reviewed
Momonari Kudo
Communications in Algebra 47 ( 12 ) 5020 - 5038 2019.7
Computing representation matrices for the Frobenius on cohomology groups Reviewed
Momonari Kudo
MEGA 2019: Effective Methods in Algebraic Geometry 32 pages 2019.6
Superspecial Hyperelliptic Curves of Genus 4 over Small Finite Fields Reviewed
Momonari Kudo, Shushi Harashita
Arithmetic of Finite Fields, WAIFI 2018, Lecture Notes in Computer Science 11321 58 - 73 2018.12
Acceleration of Index Calculus for Solving ECDLP over Prime Fields and Its Limitation Reviewed
Momonari Kudo, Yuki Yokota, Yasushi Takahashi, Masaya Yasuda
Cryptology and Network Security, CANS 2018, LNCS 11124 377 - 393 2018.9
Cryptanalysis of a public key cryptosystem based on diophantine equations via weighted LLL reduction Reviewed International coauthorship
Jintai Ding, Momonari Kudo, Shinya Okumura, Tsuyoshi Takagi, Tao Chengdong
Japan Journal of Industrial and Applied Mathematics 35 ( 3 ) 1123 - 1152 2018.6
Practical Limit of Index Calculus Algorithms for ECDLP over Prime Fields Reviewed
Momonari Kudo, Yuki Yokota, Masaya Yasuda
The Tenth International Workshop on Coding and Cryptography 2017, WCC 2017 12 pages 2017.9
Enumerating Superspecial Curves of Genus 4 over Prime Fields Reviewed
Momonari Kudo, Shushi Harashita
The Tenth International Workshop on Coding and Cryptography 2017 (WCC2017) 10 pages 2017.9
Superspecial curves of genus 4 in small characteristic Reviewed
Momonari Kudo, Shushi Harashita
Finite Fields and Their Applications 45 131 - 169 2017.5
Analysis of an algorithm to compute the cohomology groups of coherent sheaves and its applications Reviewed
Momonari Kudo
Japan Journal of Industrial and Applied Mathematics 34 ( 1 ) 1 - 40 2017.2
Practical Analysis of Key Recovery Attack against Search-LWE Problem Reviewed International coauthorship
Momonari Kudo, Junpei Yamaguchi, Yang Guo, Masaya Yasuda
Advances in Information and Computer Security, IWSEC 2016, Lecture Notes in Computer Science 9836 164 - 181 2016.9
Cryptanalysis of a Public Key Cryptosystem Based on Diophantine Equations via Weighted LLL Reduction Reviewed International coauthorship
Jintai Ding, Momonari Kudo, Shinya Okumura, Tsuyoshi Takagi, Tao Chengdong
Advances in Information and Computer Security, IWSEC 2016, Lecture Notes in Computer Science 9836 305 - 315 2016.9
数学メモアール第10巻 「代数曲線の計算理論と暗号への応用」 Reviewed
相川勇輔, 神戸祐太, 工藤桃成, 高島克幸, 安田雅哉( Role: Joint author)
日本数学会 2025.10
奨励賞(2024年度最優秀賞)
2025 日本数式処理学会
工藤 桃成
奨励賞(2019年度若手研究者賞)
2020.10 日本数式処理学会
工藤 桃成
第13回研究部会連合発表会 優秀講演賞
2017.6 日本応用数理学会
工藤 桃成
第5回九州若手数学賞
2017.2 九州若手数学賞賛同者の会
工藤 桃成
第1回九州若手数学者発表賞
2016.2 九州若手数学賞賛同者の会
工藤 桃成
Excellent Poster Award
2015.10 Forum Math for Industry 2015
Momonari Kudo
2023 Linear Algebra with Practice I
2023 Calculus with Practice I
2023 Calculus with Practice II
2023 Geometry and Multimedia
2023 Algebra and Cryptography