Rchr
J-GLOBAL ID：200901063441305982
Update date: Jun. 07, 2024
TAKEAKI YAMAZAKI
ヤマザキ タケアキ | TAKEAKI YAMAZAKI
Affiliation and department：
Job title：
教授
Research field (1)：
Basic analysis
Research keywords (6)：
幾何平均
, 非正規作用素
, 作用素変換
, 作用素不等式
, 作用素論
, Operator Theory
Research theme for competitive and other funds (3)：
- 2013 - 2013 ヒルベルト空間上の有界線形作用素における不等式とその応用の研究
- 2005 - 2007 Generalizations to Operator Theory of Shannon's inequality of Information Theory and its application
- 2002 - 2004 Research of operator inequality and spectrum using computer
Papers (184)：
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Stability of AN-operators under functional calculus. Analysis Mathematica. 2023. 49. 3. 825-839
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Ramesh Golla, Hiroyuki Osaka, Yoichi Udagawa, Takeaki Yamazaki. Stability of AN-property for the induced Aluthge transformations. Linear Algebra and its Applications. 2023. 678. 206-226
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Jagjit Singh Matharu, Takeaki Yamazaki, Chitra Malhotra. Furuta type inequalities via operator means and applications to Kadison’s type inequalities. Annals of Functional Analysis. 2022. 13. 2
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Takeaki Yamazaki. The induced Aluthge transformations. Linear Algebra and its Applications. 2021. 628. 1-28
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Yuko Hirase, Yuki Ohara, Naoya Matsuura, Takeaki Yamazaki. Dynamics Analysis Using Koopman Mode Decomposition of a Microgrid Including Virtual Synchronous Generator-Based Inverters. Enagies. 2021. 15. 14. 4581-4581
ｍore...
MISC (141)：
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YAMAZAKI TAKEAKI. SOME NORM INEQUALITIES FOR MATRIX MEANS (作用素論に基づく量子情報理論の幾何学的構造に関する研究と関連する話題). 数理解析研究所講究録. 2017. 2033. 135-141
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RESEARCH OF WEIGHTED OPERATOR MEANS FROM TWO POINTS OF VIEW (Research on structure of operators by order and geometry with related topics). 2016. 1996. 54-65
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Udagawa Yoichi, Wada Shuhei, Yamazaki Takeaki, Yanagida Masahiro. On a family of operator means involving the power difference means (Theory of operator means and related topics). RIMS Kokyuroku. 2015. 1935. 45-58
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WADA SHUHEI, YAMAZAKI TAKEAKI. EQUIVALENCE RELATIONS AMONG SOME INEQUALITIES ON OPERATOR MEANS (Theory of operator means and related topics). RIMS Kokyuroku. 2015. 1935. 107-113
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YAMAZAKI TAKEAKI, UCHIYAMA MITSURU. CONVERSES OF LOEWNER-HEINZ INEQUALITY VIA OPERATOR MEANS (Operator monotone functions and related topics). RIMS Kokyuroku. 2014. 1893. 126-135
ｍore...
Books (5)：
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例題と演習で学ぶ 線形代数
培風館 2019
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例題と演習で学ぶ 微分積分学
学術図書出版社 2013
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線形代数学-理論・技法・応用-
学術図書出版 2011
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工学を志す人の微分積分
東京教学社 2000
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工学を志す人の線形代数
東京教学社 2000
Lectures and oral presentations (68)：
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Generalizations of Aluthge transform, numerical range and spectral radius
(International Workshop on Matrix Analysis and Quantum Information Theory 2024)
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The induced Aluthge sequence of compact operators
(2024)
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Induced Aluthge sequence of compact operators
(2023 China-Korea-Japan International Conference on Matrix Theory with Applications & The 7th International Conference on Matrix Inequalities and Matrix Equations 2023)
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Induced Aluthge sequence of compact operators
(Recent Progress in Operator Theory and its Applications 2023)
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Limit of the induced Aluthge transformations
(10th International Congress on Industrial and Applied Mathematics 2023)
ｍore...
Education (2)：
- 東京理科大学理学部応用数学科
- Tokyo University of Science Graduate School of Science
Professional career (1)：
Work history (6)：
Association Membership(s) (2)：
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