J-GLOBAL ID:201801015827451717   Update date: Jun. 29, 2022

Shinjo Masato

シンジョウ マサト | Shinjo Masato
Affiliation and department:
Research field  (6): Mathematical analysis ,  Applied mathematics and statistics ,  Basic mathematics ,  Mathematical informatics ,  Web and service informatics ,  Local studies
Research keywords  (9): Applied Mathematics ,  Data analysis ,  Integrable Systems ,  Discrete Integrable Systems ,  Numerical Analysis ,  Numerical Computation ,  Eigenvalue ,  Mathematical physics ,  Mathematical biology
Research theme for competitive and other funds  (5):
  • 2021 - 2025 Constructions of discrete integrable systems with eigenvalue preserving transformations and their asymptotic analysis
  • 2020 - Unit of Advanced Mathematical Science for Mobility Society, Algebra Network Analysis
  • 2019 - 2020 Developments of eigenvalue computation algorithms for band matrices based on integrable systems
  • 2015 - 2018 Asymptotic analysis for the determinant solutions of discrete integrable systems and its applications to numerical computation algorithms
  • 2014 - 2017 New developments of matrix similarity transformations derived from integrable systems
Papers (8):
  • Masato Shinjo, Akiko Fukuda, Koichi Kondo, Yusaku Yamamoto, Emiko Ishiwata, Masashi Iwasaki, Yoshimasa Nakamura. Discrete hungry integrable systems - 40 years from the Physica D paper by W.W. Symes. Physica D: Nonlinear Phenomena. 2022. 439. 133422
  • Masato Shinjo, Tan Wang, Masashi Iwasaki, Yoshimasa Nakamura. Roots of Characteristic Polynomial Sequences in Iterative Block Cyclic Reductions. Mathematics. 2021. 9. 24. 3213 (16pp)
  • Masato Shinjo, Masashi Iwasaki, Koichi Kondo. The Kostant Toda equation and the hungry integrable systems. Journal of Mathematical Analysis and Applications. 2020. 483. 2. 123627 (15pp)
  • Masato Shinjo, Yoshimasa Nakamura, Masashi Iwasaki, Koichi Kondo. Asymptotic analysis of non-autonomous discrete hungry integrable systems. Journal of Integrable Systems. 2018. 3. 1. 1-27
  • Yusuke Nishiyama, Masato Shinjo, Masashi Iwasaki, Koichi Kondo. Integrable properties of a variant of the discrete hungry Toda equations and their relationship to eigenpairs of band matrices. East Asian Journal on Applied Mathematics. 2017. 7. 4. 785-798
MISC (3):
  • Kotaro Sakamoto, Masato Shinjo. The time-evolutions of Lax equations associated with the Hessenberg matrices. Reports of RIAM Symposium. 2020. 2019AO-S2. 120-125
  • Kozo Aoyama, Masashi Iwasaki, Masato Shinjo. Joyo city industrial support website JoInT. Company introduction magazine. 2019. 5
  • Masato Shinjo. Asymptotic analysis for the determinant solution of the discrete hungry Lotka-Volterra system. Reports of the 6th Shirahama workshop. 2015. 87-94
Lectures and oral presentations  (31):
  • Speed-up of eigenvector computations based on the Twisted factorization method with iterative Cyclic Reductions
    (The 19th Computational Mathematics Group 2021)
  • Extended q-Toda equation and its applications to eigenvalue computations
    (The 2021 Annual Meeting of the JSIAM 2021)
  • The LR transformation associated with q-Toda equations
    (The 18th Computational Mathematics Group 2020)
  • On the time-evolutions of Lax equation with some boundary conditions
    (The 18th Computational Mathematics Group 2020)
  • Eigenvalue computations based on the integrable systems
    (The 6th Applied Integrable Systems Seminar for Young Researchers 2020)
Professional career (1):
  • Doctor of Informatics (Kyoto Univeristy)
Work history (3):
  • 2018/04 - 現在 Doshisha University Faculty of Science and Engineering Assistant Professor
  • 2017/10 - 2018/03 Japan Society for the Promotion of Science Research Fellow (PD)
  • 2015/04 - 2017/09 Japan Society for the Promotion of Science Research Fellow (DC1)
Committee career (3):
  • 2022/06 - 現在 Information Processing Society of Japan Meta-reviewer
  • 2018/04 - 現在 Doshisha University Harris Science Research Institute Institute Scholar
  • 2021/04 - 2022/03 Alumni association Doshisha Univeristy Faculty of Engineering Secretary
Awards (3):
  • 2019/11 - The Computational Mathematics Group Best poster award "On the convergence of eigenvalue computations with skew-symmetry"
  • 2015/09 - Japan Society for Industrial and Applied Mathematics Best poster award "The dynamical system whose solutions converge to eigenvalues of real symmetric penta-diagonal matrix and its discretization"
  • 2014/09 - Japan Society for Industrial and Applied Mathematics Best poster award "On the Fibonacci sequence internally existing in predator-prey interactions"
Association Membership(s) (1):
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