Hosokawa Takuya

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.

Research theme for competitive and other funds (2)：

2016 - 2019 解析関数の乗法演算と合成演算の代数構造と位相構造の研究
2013 - 2016 解析関数への乗法演算と合成演算の位相構造の研究

Papers (19)：

Weighted composition operators acting from the Lipschitz space to the space of bounded functions on a tree. Acta Scientiarum Mathematicarum (Szeged). 2020. 86. 1-2. 209-224
Takuya Hosokawa, Kei Ji Izuchi, Shuichi 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, Shuichi Ohno. DIFFERENCES OF WEIGHTED COMPOSITION OPERATORS FROM H-infinity TO BLOCH SPACE. TAIWANESE JOURNAL OF MATHEMATICS. 2012. 16. 6. 2093-2105
Boo Rim Choe, Takuya Hosokawa, Hyungwoon Koo. Hilbert-Schmidt differences of composition operators on the Bergman space. MATHEMATISCHE ZEITSCHRIFT. 2011. 269. 3-4. 751-775

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Lectures and oral presentations (26)：

Weighted composition operators between Bergman spaces
(Real, Complex and Functional Analysis Seminar 2019 2019)
Composition operators induced by products of analytic self-maps
(Spring Central and Western Joint Sectional Meeting of American Mathematical Society 2019)
Integral operators acting from Bergman spaces to BMOA-type spaces
(2018年度関数環研究集会 2018)
On some operators on function spaces on trees
(Real, Complex and Functional Analysis Seminar 2018 2018)
写像の葉数と作用素の挙動について
(防大関数解析セミナー 2018)

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Education (4)：

2000 - 2003 Niigata University 情報理工学専攻
1998 - 2000 Kyoto University 数学・数理解析専攻
1998 - 2000 Kyoto University 数学・数理解析専攻
1994 - 1998 Kyoto University 理学科

Professional career (4)：

有界線形作用素の力学系におけるカオス性京都大学修士(理学) (京都大学)
Chaotic behavior of dinamics by bounded linear operators, Master thesis, Kyoto University (Kyoto University)
Composition operators on the Hardy space H^2 and H^∞ 新潟大学博士(理学) (新潟大学)
Composition operators on the Hardy space H^2 and H^∞, Thesis, Niigata University (Niigata University)

Work history (3)：

2011/04/01 - 茨城大学工学部准教授
2009/04/01 - 2011/03/31 茨城大学工学部講師
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)

Association Membership(s) (1)：

The Mathematical Society of Japan

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