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J-GLOBAL ID:200901040862957385   Update date: Mar. 20, 2024

FURUICHI Shigeru

フルイチ シゲル | FURUICHI Shigeru
Affiliation and department:
Job title: Professor
Research field  (3): Basic mathematics ,  Information theory ,  Basic mathematics
Research keywords  (6): Entropy ,  Information theory ,  Inequality ,  Matrix analysis ,  Operator theory ,  Convex analysis
Research theme for competitive and other funds  (17):
  • 2021 - 2026 Analytical study of inequalities in information theory and operator theory
  • 2020 - 2022 Analytical and fundamental study on entropy, graph and inequalities
  • 2016 - 2021 Fundamental study on entropy and inequality in information science
  • 2018 - 2019 作用素平均と相対作用素エントロピーに関する基礎研究とその応用
  • 2014 - 2018 Research on Inequalities related to several kinds of entropies in classical or quantum system
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Papers (145):
  • Asfand Fahad, Yuanheng Wang, Zammad Ali, Riaz Hussain, Shigeru Furuichi. Exploring properties and inequalities for geometrically arithmetically-Cr-convex functions with Cr-order relative entropy. Information Sciences. 2024. 662. 120219-120219
  • H.R.Moradi, N.Minculete, S.Furuichi, M.Sababheh. Subadditive and superadditive inequalities for convex and superquadratic functions. CARPATHIAN J. MATH. 2024. 40. 1. 121-137
  • Shigeru Furuichi, Hamid Reza Moradi, Cristian Conde, Mohammad Sababheh. On a binary operation for positive operators. Acta Scientiarum Mathematicarum. 2023
  • Shigeru Furuichi, Nicuşor Minculete, Hamid Reza, Moradi, Mohammad Sababheh. Some new properties of geometrically-convex functions. Quaestiones Mathematicae. 2023
  • Mohammad Sababheh, Shigeru Furuichi, Hamid Reza Moradi. Sharpening celebrated convex inequalities with applications to operators and entropies. Reviews in Mathematical Physics. 2023. 35. 10. 2350031-1-2350031-18
more...
Books (8):
  • Symmetry in the Mathematical Inequalities
    MDPI AG 2022 ISBN:9783036540054
  • Operator Theory, Functional Analysis and Applications
    Birkhauser 2021 ISBN:9783030519445
  • 情報理論---エントロピーと符号化定理---
    日本評論社 2021 ISBN:9784535789340
  • Advances in Mathematical Inequalities
    De Gruyter 2020 ISBN:9783110643435
  • Inequalities
    MDPI AG 2020 ISBN:9783039280629
more...
Lectures and oral presentations  (173):
  • 幾何平均とスペクトル幾何平均に関する不等式
    (日本数学会2023年度秋季総合分科会 2023)
  • Spectral geometric mean versus geometric mean by generalized Kantorovich constant
    (Mini-Symposium"Structured matrices with applications in sciences and engineering" in ICIAM2023 2023)
  • On log-sum inequalities
    (Mini-Symposium"Inequalities;entropy with applications" in ICIAM2023 2023)
  • Spectral geometric mean, geometric mean and Kantorovich constant
    (ILAS2023 2023)
  • 対数平均と Wigner-Yanase-Dyson 関数に関する不等式
    (RIMS 共同研究(公開型) 作用素平均と関連する話題 2022)
more...
Education (2):
  • Tokyo University of Science Faculty of Science and Technology Mathematics
  • Science University of Tokyo Graduate School of Science and Technology (Master's Course) Information Science
Professional career (1):
  • 博士(理学) (東京理科大学)
Association Membership(s) (7):
日本数学会 ,  IEEE(Information Theory Society) ,  The Mathematical Association of America ,  情報理論とその応用学会 ,  SIAM ,  電子情報通信学会 ,  日本応用数理学会
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