J-GLOBAL ID:200901040627248393   Update date: Jan. 18, 2020


ホソカワ タクヤ | HOSOKAWA Takuya
Affiliation and department:
Job title: Associate Professor
Research field  (1): Basic analysis
Research keywords  (1): Analytic Function Space Theory and Operator Theory. Composition operators and weighted composition operators on the Hardy, Bergman, Bloch spaces.
Papers (18):
  • Takuya Hosokawa, Keiji Izuchi, Sh¥^{u}ichi Ohno. Weighted composition operators between Hilbert spaces of analytic functions in the operator norm and Hilbert-Schmidt norm topologies. Journal of Mathematical Analysis and Applications. 2015. 421. 2. 1546-1558
  • Takuya Hosokawa, Michio Seto. Some remarks on operator equation $C_¥varphi = C_¥psi X. Nihonkai Mathematical Journal. 2014. 25. 2. 85-91
  • Takuya Hosokawa, Sh¥^{u}ichi Ohno. Differences of weighted composition operators from $H^¥infty$ to Bloch space. Taiwanese Journal of Mathematics. 2012. 16. 6. 2093-2105
  • Takuya Hosokawa, Pekka Nieminen, Sh¥^{u}ichi Ohno. Linear Combinations of Composition Operators on the Bloch spaces. Canadian Journal of Mathematics. 2011. 63. 4. 862-877
  • Boo Rim Choe,Takuya Hosokawa, Hyungwoon Koo. Hilbert-Schmidt differences of composition operators on the Bergman space. Mathematische Zeitschrift. 2011. 269. 751-775
Lectures and oral presentations  (15):
  • Linear combinations of composition operators on H∞ and the Bloch spaces
    (2009年度関数環研究集会 2009)
  • Differences of weighted composition operators between H∞ and the Bloch space
    (第52回函数論シンポジウム 2009)
  • Differences of weighted composition operators on the Bloch space
    (2009 日本数学会 秋季総合分科会 2009)
  • Norms and essential norms of weighted composition operators between the Bloch space and H∞
    (2010 日本数学会 秋季総合分科会 2010)
  • Differences of composition operators between H∞ and the Bloch space
    (2010年度関数環研究集会 2010)
Education (3):
  • 1994 - 1998 Kyoto University Faculty of Science 理学科
  • 1998 - 2000 Kyoto University Graduate School, Division of Natural Science 数学・数理解析専攻
  • 2000 - 2003 Niigata University Graduate School of Science and Technology 情報理工学専攻
Professional career (2):
  • 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)
Work history (3):
  • 2008/09/01 - 2009/03/31 高麗大学 大学院 基礎科学科 研究教授(ポスドク研究員)
  • 2009/04/01 - 2011/03/31 茨城大学工学部 講師
  • 2011/04/01 - 茨城大学工学部 准教授
Association Membership(s) (1):
The Mathematical Society of Japan
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