研究者学術情報データベース

オオサカ　ヒロユキ
大坂　博幸
OSAKA Hiroyuki

所属理工学部数理科学科

職名教授

学会発表
1.	2024/03/19	On characterization of matrix monotoe decreasing functions (2024年日本数学会年会)
2.	2024/03/19	The induced Aluthge sequence of compact operators (2024年日本数学会年会)
3.	2023/11/07	Revisit the Powers-Stormer's inequality (Recent Progress in Operator Theory and its Applications, RIMS,)
4.	2023/08/24	On a class of K-entanglement witnesses (ICIAM2023)
5.	2023/07/08	Factorization property of positive maps on C*-algebras and its applications (International workshop on matrix anaysis and its applications)
6.	2023/06/19	Factorization property of positive maps on C*-algebras and its applications (Mathematical Structures in Quantum Mechanics, University of Gdansk)
7.	2023/03/17	A limit of induced Aluthuge transformation for centered operators (Mathematical Society of Japan 2022 Annual Meeting)
8.	2023/03/17	On a class of $K$-entanglement witnesses (Mathematical Society of Japan 2022 Annual Meeting)
9.	2022/12/12	On subclass of norm attaining operators and related topics (作用素論・作用素環論研究集会2022)
10.	2022/11/02	On operators which attain their norms on every closed subspaces (作用素平均と関連する話題)
11.	2022/09/15	On a subclass of norm attaining operators (日本数学科会2022年度秋季総合分科会)
12.	2022/06/04	On a class of K-entanglement witnesses (International Workshop on Matrix Analysis and Its Applications)
13.	2022/05/20	Factorization property of positive maps on C*-algebras and its applications (コロキウム)
14.	2022/04/07	Factorization property of positive maps on C*-algebras (ILAS Special Session on Matrix Analysis and Applications in Virtual Joint Mathematics Meetings)
15.	2022/03/30	Stable rank for inclusions of Banach algebras (日本数学会2022年度年会)
16.	2021/10/16	Interpolation functions and inequalities (First Sibau-Nu workshop on Matrix Analysis and Linear Algebra)
17.	2021/09/23	On a subclass of norm attaining operators (Order Analysis and Related Problems of Mathematical Modelling, XVI. Operator Theory and Differential Equations.)
18.	2020/11/25	A factorization property of positive maps on C*-algebras (作用素論・作用素環論研究集会)
19.	2020/09/24	Schmidtランクと部分空間 (日本数学会2020年度秋期総合分科会)
20.	2019/09/19	On dualities of actions and inclusions (日本数学会２０１９年度秋季総合分科会函数解析学分科会)
21.	2019/05/20	Subspaces of maximal dimension with bounded Schmidt rank (Mathematical aspects in current quantum information theory 2019)
22.	2019/03/19	The Rokhlin property for inclusions of C*-algebras (日本数学会年会)
23.	2018/07/23	The tracial Rokhlin property for an inclusion of unital C*-algebras (IWOTA2018)
24.	2018/06/14	Maps preserving AN-operators (The 14th Workshop on Numerical Ranges and Numerical Radii)
25.	2018/06/10	Maps preserving operator means (2018 International conference on Matrix Inequalities and Matrix Equations)
26.	2017/12/19	Operator maeans and applications to generalized entropies (2017 International Workshop on Quantum Information, Quantum Computing and Quantum Control)
27.	2017/10/13	Stable rank for C*-algebras (Conference on Functional Analysis@IIT Bombay)
28.	2017/09/14	Operator means and an application to generalized entropies (Operator Algebras and Quantum Information Theory)
29.	2017/06/28	The Rokhlin property for inclusions of C*-algebras (The third summer school on Operator Algebras and Non-commutative Geometry)
30.	2017/06/07	Matrix functions, matrix means, matrix inequalities (2017 International Conference on Matrix Inequalities and Matrix Equations)
31.	2016/12/19	matrix functions, matrix means, matrix inequalities (Recent Advances in Operator Theory and Operator Algebras 2016)
32.	2016/09/16	Generalized reverse Cauchy inequality and applications to operator means (日本数学会2016年度秋期総合分科会)
33.	2016/09/12	The Rokhlin property for group actions on Hilbert C*-modules (Recent Development in Operator Algebras)
34.	2016/07	Some operator inequalities which characterize operator means (ILAS2016)
35.	2016/07	Tracial approximation for inclusions of unital C-algebras (International Conference on Structure of C-algebras and Tracial Approximation)
36.	2015/10/25	Symmetric operator monotone functions and operator means (作用素論・作用素環論研究集会)
37.	2015/09/15	Symmetric operator monotone functions and operator means (日本数学会2015年度秋期総合分科会)
38.	2015/09/01	Some operator inequalities which characterize operator means (Workshop on Quantum information theory and related topics)
39.	2015/06/03	The Rokhlin property for an inclusion of C*-algebras (Special Week on Operator Algebras, East China Normal University)
40.	2015/03/22	Gaps problem of matrix monotone functions and matrix convex functions and their applications (日本数学会2015年度春期総合分科会)
41.	2014/11/28	SELF-ADJOINTNESS AND SYMMETRICITY OF OPERATOR MEANS (作用素の平均とその関連)
42.	2014/09/27	The Jiang-Su absorption for inclusions of unital C*-algebras (日本数学会2014年度秋期総合分科会)
43.	2014/08/09	The Jiang-Su absorption for inclusions of unital C*-algebras (ICM Satillite Conference on Operator algebras and Applications)
44.	2014/03/18	Interpolation classes and matrix means (日本数学会2014年度春期総合分科会)
45.	2013/11/23	Permanence properties for inclusion of unital C*-algebras (2013年作用素論・作用素環論研究集会)
46.	2013/11/07	Interpolation functions and matrix means (作用素単調関数と関連する話題について)
47.	2013/09/26	LP property for C*-algebras (日本数学会2013年度秋期総合分科会)
48.	2013/08/19	Matrix monotone functions with the application to quantum information theory (International workshop on Quantum information theory and related topics (QIT2013))
49.	2013/07/22	Matrix monotone funcctions and a generalized Powers-Stormer inequality (Positivity 2013)
50.	2013/07/01	Inclusion of C*-algebras and Rokhlin property (The Asian Mathematical Conference 2013)
51.	2013/06/18	LP property for C*-algebras (Special Week on Operator Algebras)
52.	2013/03/22	Nuclear dimension for an inclusion of unital C*-algebras (日本数学会2013年度年会)
53.	2013/03/22	On generalized Poewrs-Stormer's inequality (日本数学会2013年度年会)
54.	2013/02/05	量子情報理論入門II (RIMS共同研究「量子化と作用素環」)
55.	2013/02/04	量子情報理論入門I (RIMS共同研究「量子化と作用素環」)
56.	2013/01/10	Characterization of the monotonicity by the inequality (Recent advances in operator theory and operator algebras 2012)
57.	2012/11/05	On generalized Powers-Stormer's inequality (Researcn on structures of operators via methods in geometry and probability theory)
58.	2012/06/22	Classification of bi-qutrit positive partial transpose entangled edge states by their ranks (KOTAC2012)
59.	2012/06/19	Generalized Powers-Stormer inequality (Special Week on Operator Algebras)
60.	2011/11/03	Nuclear dimension for an inclusion of unital C*-algebras (作用素論・作用素環論研究集会)
61.	2011/06	Nuclear dimension for an inclusion of unital C*-algebras (Special Week on Operator Algebras)
62.	2010/09	Local properties for C*-algebras and the Rokhlin property (RIMS 研究集会「作用素環論の最近の発展」)
63.	2010/08	Inclusion of unital C*-algebras and the Rokhlin property, (International Conference on Quantum Probability and Related Topics)
64.	2010/06	Strongly self-absorbing property for inclusions of $C^*$-algebras with a finite Watatani index (Special Week on Operator Algebras)
65.	2009/12	Local properties for C*-algebras and the Rokhlin property (2009 joint meeting of the Korean Mathematical Society and the American Mathematical Society)
66.	2009/06	Rokhlin property for inclusions of C*-algebras with a finite Watatani index (KOTAC2009)
67.	2009/06	Tracial approximation for crossed products by finite groups with the tracial Rokhlin property (Special Week on Operator Algebras)
68.	2008/07	The Rokhlin property for inclusions of C*-algebras with a finite Watatani index (Operator structures and Dynamical systems)
69.	2008/06	Stable rank for inclusions of C*-algebras (KOTAC2008)
70.	2007/07	Inclusions of C*-algebras (Noncommutative Dynamics and Applications)
71.	2007/06	Crossed products by finite group actions with the Rokhlin property (Lecture in Operator Algebras/Mini-conference)
72.	2007/01	Stable rank of depth two inclusions of C*-algebras (Operator Algebras and Related Fields combined with Japan-US and West Coast Operator Algebra Seminar)
73.	2002/08	Stable runk for crossed product algebras (Operator Algebras and Applications,Satellite Conference ICM2002)
74.	2002/05	Cancellation property for a pair of C*-algebras of index finite type (GPOTS 2002,Charlotte)
75.	2000/04	Stable rank for a pair of C*-algebras (数理解析研究所講究録)
76.	2000/03	Stable rank for a pair of C*-algebras (日本数学会2000年度会)
77.	2000/02	Ranks of algebras of continuous C*-algebra valued functions (数理解析研究所講究録)
78.	1998/08	Cancellation property for crossed products of simple Calgebras by discrete groups (EU Conference, Calgebras and non-commutative geometry)
79.	1998/04	Cancellation property for crossed products of simple C*algebras by discrete groups (日本数学会1998年度会)
80.	1998/01	SP-property for a pair of C<ss1></ss1>algebras (Exact C環とその周辺)
81.	1997/07	Extremal richness of C<ss1>*</ss1>algebras (International Conference on Operator Algebra and Operetor theory)
82.	1997/05	Extremal richness of C<ss1>*</ss1>algebras (作用素環の深化)
83.	1997/04	作用素環に値をもつ連続関数環の次元 (日本数学会1997年度会)
84.	1996/09	Introduction of Kirchberg's classification theory of purely infinite simple C<ss1>*</ss1>algebras (作用素環における最近の発展)
85.	1995/06	Certain C*-algebras with non-zero real rank (Canadian Operator Symposium, Waterloo University, Canada)