J-GLOBAL         Last updated: Jan 18, 2020 at 03:02
Ibaraki University
Graduate School of Science and Engineering (Engineering), Common Section
Job title
Associate Professor
Chaotic behavior of dinamics by bounded linear operators, Master thesis, Kyoto University(Kyoto University), Composition operators on the Hardy space H^2 and H^∞, Thesis, Niigata University(Niigata University)
Research funding number

Research Areas


Academic & Professional Experience

Sep 2008
Mar 2009
高麗大学 大学院 基礎科学科 研究教授(ポスドク研究員)
Apr 2009
Mar 2011
茨城大学工学部 講師
Apr 2011
茨城大学工学部 准教授


Apr 1994
Mar 1998
理学科, Faculty of Science, Kyoto University
Apr 1998
Mar 2000
数学・数理解析専攻, Graduate School, Division of Natural Science, Kyoto University
Apr 2000
Mar 2003
情報理工学専攻, Graduate School of Science and Technology, Niigata University

Published Papers

Weighted composition operators between Hilbert spaces of analytic functions in the operator norm and Hilbert-Schmidt norm topologies
Takuya Hosokawa, Keiji Izuchi, Shûichi Ohno
Journal of Mathematical Analysis and Applications   421(2) 1546-1558   2015   [Refereed]
Some remarks on operator equation Tex
Takuya Hosokawa, Michio Seto
Nihonkai Mathematical Journal   25(2) 85-91   2014   [Refereed]
Differences of weighted composition operators from Tex to Bloch space
Takuya Hosokawa, Shûichi Ohno
Taiwanese Journal of Mathematics   16(6) 2093-2105   Dec 2012   [Refereed]
Linear Combinations of Composition Operators on the Bloch spaces
Takuya Hosokawa, Pekka Nieminen, Shûichi Ohno
Canadian Journal of Mathematics   63(4) 862-877   2011   [Refereed]
Hilbert-Schmidt differences of composition operators on the Bergman space
Boo Rim Choe,Takuya Hosokawa, Hyungwoon Koo
Mathematische Zeitschrift   269 751-775   2011   [Refereed]

Conference Activities & Talks

Linear combinations of composition operators on H^∞ and the Bloch space [Invited]
2013年作用素論・作用素環論研究集会   24 Nov 2013   
Differences of weighted composition operators from H∞ to the Bloch space
2013日本数学会秋季総合分科会   25 Sep 2013   
Some notes on composition operators on the Bloch space
第21回宮代セミナー   31 Oct 2012   
Differences of weighted composition operators from the Bloch space to H∞
2012 日本数学会 秋季総合分科会   20 Sep 2012   
Differences of weighted composition operators between H∞ and the Bloch spaces
Functional Analysis Seminar   28 Aug 2012   

Association Memberships