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J-GLOBAL ID：200901037759919270   Update date: Mar. 25, 2024

Yasufumi Hashimoto

ハシモト ヤスフミ | Yasufumi Hashimoto
Affiliation and department：
University of the Ryukyus Faculty of Science Mathematical Sciences

About University of the Ryukyus Faculty of Science Mathematical Sciences


Job title： Associate Professor
Homepage URL  (2)： https://sites.google.com/view/yasufumihashimoto-j ,  https://sites.google.com/view/yasufumihashimoto-en
Research field  (1)： Algebra
Research keywords  (2)： Zeta functions ,  Trace Formula
Research theme for competitive and other funds  (9)：
  • 2021 - 2027 Creation and development of mathematical foundations for cryptography required by the post-quantum society
  • 2022 - 2025 Research on prime geodesics and Selberg's zeta function for hyperbolic manifolds
  • 2017 - 2022 跡公式とゼータ関数を用いた素測地線とスペクトルの分布に関する研究
  • 2014 - 2021 次世代暗号に向けたセキュリティ危殆化回避数理モデリング
  • 2014 - 2017 跡公式を用いた素測地線分布とスペクトル分布に関する研究
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Papers (46)：
  • Yasufumi Hashimoto. Universality theorems of Selberg zeta functions for arithmetic groups. The Quarterly Journal of Mathematics. 2024
  • Yasufumi Hashimoto. An improvement of algorithms to solve under-defined systems of multivariate quadratic equations. JSIAM Letters. 2023. 15. 53-56
  • Yasufumi Hashimoto. Solving the Problem of Blockwise Isomorphism of Polynomials with Circulant Matrices. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. 2023. E106.A. 3. 185-192
  • Yasufumi Hashimoto. Square integrals of the logarithmic derivatives of Selberg’s zeta functions in the critical strip. International Journal of Number Theory. 2022. 19. 04. 747-756
  • Yasufumi Hashimoto. Key recovery attack on Hufu-UOV. JSIAM Letters. 2022. 14. 1-4
ｍore...
MISC (15)：
  • Yasufumi Hashimoto. An elementary construction of QR-UOV. Cryptology ePrint Archive. 2022. 2022. 145
  • Yasufumi Hashimoto. On the modifier Q for multivariate signature schemes. 2021. 1046
  • Yasufumi Hashimoto. A note on the multivariate cryptosystem based on a linear code. Cryptology ePrint Archive. 2019. 1396
  • 橋本康史. 合同部分群に関するlength spectrumの重複度について. 数理解析研究所講究録. 2016. 2013. 100-109
  • Yasufumi Hashimoto. A note on Tensor Simple Matrix encryption scheme. Cryptology ePrint Archive. 2016. 065
ｍore...
Books (3)：
  • 2023年度表現論シンポジウム講演集
    2023
  • 2016年度表現論シンポジウム講演集
    2016
  • 表現論と調和解析の新たな進展
    京都大学数理解析研究所 2014
Education (3)：
  • 2003 - 2006 Kyushu University Graduate School of Mathematics
  • 2001 - 2003 Kyushu University Graduate School of Mathematics
  • 1997 - 2001 Kyushu University School of Sciences Department of Mathematics
Professional career (1)：
  • Dr. of Mathematics (Kyushu University)
Work history (7)：
  • 2016/06/01 - 現在 University of the Ryukyus Faculty of Science, Department of Mathematical Sciences
  • 2011/04 - 2019/03 Kyushu University Institute of Math-for-Industry Guest Professor
  • 2011/04/01 - 2016/05/31 University of the Ryukyus, Faculty of Science, Department of Mathematical Sciences, Instructor
  • 2009/04 - 2011/03 Kyushu University Part-time Lecturer
  • 2007/07 - 2011/03 Institute of Systems and Information Technologies/Kyushu
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Awards (4)：
  • 2021/09 - IWSEC Best Paper Award of IWSEC 2021
  • 2020/06 - IPSJ IPSJ Outstanding Paper Award
  • 2019/09 - 情報処理学会 Specially Selected Paper of Journal of Information Processing
  • 2018/09 - IWSEC Best Paper Award of IWSEC 2018
Association Membership(s) (3)：
日本応用数理学会 ,  日本数学会 ,  電子情報通信学会
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