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Affiliation Department |
Department of Electrical and Mechanical Engineering
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Title |
Associate Professor |
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External Link |
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HAYASHI Tomohiro
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From School
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Tohoku University Faculty of Science Graduated
- 1994.03
Country：Japan
From Graduate School
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Tohoku University Graduate School, Division of Natural Science Mathematics Doctor's Course Completed
- 2000.03
Country：Japan
External Career
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九州大学大学院数理学研究院 助手
2002.04 - 2006.03
Country：Japan
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日本学術振興会特別研究員（PD） 日本学術振興会特別研究員
2000.04 - 2002.03
Country：Japan
Research Career
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Study on von Neumann algebras
(not selected)
Project Year：
Papers
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On conjugacy of subalgebras in graph C*-algebras. II Reviewed International coauthorship
Tomohiro Hayashi , Jeong Hee Hong and Wojciech Szymański
Proceedings of the Edinburgh Mathematical Society 65 ( 4 ) 1162 - 1182 2022.12
Language：English Publishing type：Research paper (scientific journal)
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On the fixed point spaces of some completely positive maps. Reviewed International journal
Tomohiro Hayashi
International Journal of Mathematics 33 ( 8 ) 2022.06
Authorship：Lead author, Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：World Scientific Publishing Company
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On Conjugacy of Subalgebras of Graph C*-algebras. Reviewed International coauthorship International journal
Tomohiro Hayashi, Jeong Hee Hong, Sophie Emma Mikkelsen, Wojciech Szymański
Geometric Methods in Physics XXXVII (Trends in Mathematics) 163 - 173 2019.11
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
DOI： 10.1007/978-3-030-34072-8_17
Other Link： https://link.springer.com/chapter/10.1007/978-3-030-34072-8_17
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On a norm inequality for a positive block-matrix. Reviewed International journal
Tomohiro Hayashi
linear algebra and its applications 566 86 - 97 2019.04
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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On a conjecture of the norm Schwarz inequality. Reviewed International journal
Tomohiro Hayashi
Annals of Functional Analysis 8 ( 3 ) 377 - 385 2017.04
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：Duke university press
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On endomorphisms of the Cuntz algebra which preserve the canonical UHF-subalgebra, II Reviewed International coauthorship International journal
Journal of Functional Analysis 272 ( 2 ) 759 - 775 2017.01
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier
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On normalizers of C*-subalgebras in the Cuntz algebra O n. II. Reviewed International coauthorship International journal
Banach Journal of Mathematical Analysis 9 ( 4 ) 379 - 383 2015.12
Language：English Publishing type：Research paper (scientific journal) Publisher：Duke University Press
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A note on the Jensen inequality for self-adjoint operators, II. Reviewed
Tomohiro Hayashi
JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN 66 ( 1 ) 111 - 121 2014.01
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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On normalizers of C∗-subalgebras in the Cuntz algebra On Reviewed
Tomohiro Hayashi
JOURNAL OF OPERATOR THEORY 69 ( 2 ) 525 - 533 2013.11
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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A note on the Jensen inequality for self-adjoint operators. Reviewed
Tomohiro Hayashi
JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN 62 ( 3 ) 949 - 961 2010.04
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
Presentations
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ある種の完全正値写像の不動点空間について Invited
林倫弘
作用素論・作用素環論研究集会2022 2022.12
Event date： 2022.12
Language：Japanese Presentation type：Oral presentation (general)
Venue：大阪教育大学天王寺キャンパス Country：Japan
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On the norm Schwarz inequality Invited International conference
Tomohiro Hayashi
2017 International Conference on Matrix Inequalities and Matrix Equations
Event date： 2017.06
Language：English Presentation type：Oral presentation (general)
Venue：Shanghai, China
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On normalizers of C*-subalgebras in the Cuntz algebra O_n International conference
Tomohiro Hayashi
Mathematics colloquia
Event date： 2014.09
Language：English Presentation type：Oral presentation (invited, special)
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クンツ環の部分環の正規化群について
Tomohiro Hayashi
２０１３年作用素論・作用素環論研究集会 吉田 裕亮（お茶の水女子大学）、山崎 丈明（東洋大学）
Event date： 2013.11
Language：Japanese Presentation type：Oral presentation (general)
Venue：お茶の水女子大学
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An order-like relation induced by the Jensen inequality International conference
Tomohiro Hayashi
ILAS 2013 meeting International Linear Algebra Society
Event date： 2013.06
Language：English Presentation type：Oral presentation (general)
Venue：Providence, USA
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Jensen不等式から定まるある二項関係について
林倫弘
作用素論・作用素環論研究集会 瀬尾祐貴 吉田裕亮
Event date： 2012.11
Language：Japanese Presentation type：Oral presentation (general)
Venue：大阪教育大学天王寺キャンパス
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An order-like relation induced by the Jensen inequality International conference
Tomohiro Hayashi
KOREA OPERATOR THEORY AND ITS APPLICATIONS CONFERENCE
Event date： 2012.06
Language：English Presentation type：Oral presentation (general)
Scientific Research Funds Acquisition Results
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Study of subalgebras and endomorphisms on the Cuntz algebra
2013.04 - 2016.03
Grant-in-Aid for Scientific Research Grant-in-Aid for Scientific Research(C)
Tomohiro Hayashi
Committee Memberships
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日本数学会 雑誌「数学通信」非常任編集委員
2017.02 - 2018.02
Committee type：Academic society
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日本数学会 雑誌「数学通信」編集委員
2016.03 - 2017.02
Committee type：Academic society