Rchr
J-GLOBAL ID：200901093470296352   Update date: Jan. 30, 2024

Harasawa Ryuichi

ハラサワ リュウイチ | Harasawa Ryuichi
Affiliation and department：
Nagasaki University Graduate school of Engineering

About Nagasaki University Graduate school of Engineering


Job title： Assistant Professor
Research field  (2)： Algebra ,  Information theory
Research theme for competitive and other funds  (4)：
  • 2012 - 2015 Study of the mathematical structure of round-robin tournaments and the development of efficient scheduling of fair tournaments
  • 2001 - 2003 Discrete Logarithm Problem Nd Information Security
  • 1998 - 暗号理論
  • 1998 - Cryptology
Papers (15)：
ｍore...
MISC (5)：
Patents (1)：
  • Encryption system for algebraic curve cryptography
Books (5)：
  • Improving the Berlekamp algorithm for binomials x^{n} -a
    4th International Workshop on the Arithmetic of Finite Fields (WAIFI 2012) 2012
  • Improving the Berlekamp algorithm for binomials x^{n} - a (jointly worked)
    International Association for Cryptologic Research (IACR) 2009
  • A remark on the computation of cube roots in finite fields (jointly worked)
    International Association for Cryptologic Research (IACR) 2009
  • Ate pairing for y^{2}=x^{5} - \alpha x in charcteristic five (jointly worked)
    International Association for Cryptologic Research (IACR) 2006
  • Tate pairing for y^{2}=x^{5} - \alpha x in charcteristic five (jointly worked)
    International Association for Cryptologic Research (IACR) 2006
Lectures and oral presentations  (8)：
  • A simple improvement for integer factorizations with implicit hints
    (Hakata Workshop 2016 2016)
  • A remark on the Berlekamp algorithm for binomials x^n - a
    (Workshop "Algorithmic Number Theory and Its Application to Cryptography" 2010)
  • A remark on the Berlekamp algorithm for binomials x^n - a
    (2010)
  • Distortion map for y^2 = x^5 -αx in characteristic five
    (暗号と情報セキュリティシンポジウム(SCIS2006) 2006)
  • Tate pairing on y^2 = x^5 -x in characteristic five
    (暗号と情報セキュリティシンポジウム(SCIS2005) 2005)
ｍore...
Education (6)：
  • - 2003 Osaka University
  • - 2003 Osaka University Graduate School, Division of Natural Science Mathematics
  • - 1999 Osaka University
  • - 1999 Osaka University Graduate School, Division of Natural Science Mathematics
  • - 1997 Osaka City University Faculty of Science
Show all
Professional career (2)：
  • (BLANK) (Osaka University)
  • 博士(理学) (大阪大学)
Awards (1)：
  • 2000 - 第15回電気通信普及財団賞(テレコムシステム技術学生賞)入賞
Association Membership(s) (3)：
日本数学会 ,  日本応用数理学会 ,  電子情報通信学会
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