Tomatsu Reiji

トマツレイジ | Tomatsu Reiji

Affiliation and department：
Job title：教授
Homepage URL (1)： https://kaken.nii.ac.jp/d/r/70447366.ja.html

Research field (2)： Mathematical analysis , Basic analysis

Research keywords (13)： Rohlin性 , flow , 量子群 , 作用 , 量子旗多様体 , 連結単純lie群 , von Neumann環 , Kac環 , 自己同型 , von Neumann algebra , Haagerup property , 無限テンソル積作用 , 誘導作用

Research theme for competitive and other funds (7)：

2021 - 2024 Research of quantum group actions on operator algebras
2018 - 2023 Research of quantum group actions on operator algebras
2015 - 2018 Study of group-quantum group actions on operator algebras
2012 - 2015 Study of quantum group actions on von Neumann algebras
2010 - 2015 A csomprehensive study of symmetries of operator algebras

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Papers (6)：

Toshihiko Masuda, Reiji Tomatsu. Rohlin Flows on von Neumann Algebras. MEMOIRS OF THE AMERICAN MATHEMATICAL SOCIETY. 2016. 244. 1153. VII-+
Rui Okayasu, Reiji Tomatsu. Haagerup Approximation Property for Arbitrary von Neumann Algebras. PUBLICATIONS OF THE RESEARCH INSTITUTE FOR MATHEMATICAL SCIENCES. 2015. 51. 3. 567-603
Uwe Franz, Adam Skalski, Reiji Tomatsu. Idempotent states on compact quantum groups and their classification on U-q(2), SUq(2), and SOq(3). JOURNAL OF NONCOMMUTATIVE GEOMETRY. 2013. 7. 1. 221-254
Reiji Tomatsu. Compact quantum ergodic systems. JOURNAL OF FUNCTIONAL ANALYSIS. 2008. 254. 1. 1-83
Reiji Tomatsu. Amenable discrete quantum groups. JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN. 2006. 58. 4. 949-964

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MISC (19)：

Reiji Tomatsu. Ultraproducts of crossed product von Neumann algebras. 2017
Rui Okayasu, Narutaka Ozawa, Reiji Tomatsu. Haagerup approximation property via bimodules. Mathematica Scandinavica. 2017. 121. 1. 75-91
Rui Okayasu, Reiji Tomatsu. Haagerup approximation property and positive cones associated with a von Neumann Algebra. Journal of Operator Theory. 2016. 75. 2. 259-288
Martijn Caspers, Adam Skalski. The Haagerup Property for Arbitrary von Neumann Algebras. INTERNATIONAL MATHEMATICS RESEARCH NOTICES. 2015. 19. 9857-9887
Reiji Tomatsu, Yoshimichi Ueda. A characterization of fullness of continuous cores of type III$_1$ free product factors. 2014

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Professional career (1)：

博士(数理科学) (東京大学)

Work history (1)：

2015 - Hokkaido University

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