Researcher Database

（Last updated : 2022-02-14 11:35:53）

OSAKA Hiroyuki

Department / Course College of Science and Engineering Department of Mathematical Sciences

Title / Position Professor

Other Affiliations
1.	Graduate School of Science and Engineering
2.	Research Organization of Social Science (BKC) Research Center for Finance

Academic background
1.	～1992/03	Doctorial Course │ Mathematics │ Graduate School, Division of Science │ Tokyo Metropolitan University │ Completed Doctor of Science

Research activities
1.	1988/04 ～	The Mathematical Society of Japan

Research summary
Study on Simple C-algebra Classification Theorem Study on the classification problem of C-algebra, a structure of the multiplication of matrix algebras and function algebras, using the K-theory, the C-index theory, and the noncommutative dimension theory (Banach algebra version of dimension theory)

Present specialized field
Larger-area Analysis (Keyword：analysis (theory of operator algebras))

Papers
1.	2021	Interpolation functions and inequalities │ Linear and Multilinear Algebras │ (Co-authored)
2.	2021	On a subclass of norm attaining operators │ 87 (1-2),pp.247-263 (Co-authored)
3.	2021	The erratum: The Jiang-Su absorption for inclusion of C*-algebras │ Canad. Math. J. │ 73 (1),pp.293-295 (Co-authored)
4.	2021	Tracially sequentially-split -homomorphisms between C-algebras │ Annals Funct. Annal │ 12 (2) (Co-authored)
5.	2020	A factorization property of positive maps on C*-algebras │ Int. J. Quantum Inf. │ 18 (5),pp.2050019-01-2050019-6 (Co-authored)
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Academic conference presentation
1.	2021/10/16	Interpolation functions and inequalities (First Sibau-Nu workshop on Matrix Analysis and Linear Algebra)
2.	2021/09/23	On a subclass of norm attaining operators (Order Analysis and Related Problems of Mathematical Modelling, XVI. Operator Theory and Differential Equations.)
3.	2019/09/19	On dualities of actions and inclusions
4.	2019/05/20	Subspaces of maximal dimension with bounded Schmidt rank (Mathematical aspects in current quantum information theory 2019)
5.	2019/03/19	The Rokhlin property for inclusions of C*-algebras
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