College of Agriculture,Food and Environment Sciences, Department of Agricultural and Environmental Information Sciences
桑原修平 クワハラ シュウヘイ
E-Mail：
Website：Last Update :2026/09/14Researcher Profile and Settings
Name
KUWAHARA Shuhei
Affiliation (Master)
College of Agriculture,Food and Environment Sciences, Department of Agricultural and Environmental Information Sciences
Affiliation & Job
Rakuno Gakuen University
Education
2003 04 - 2005 03 , Hokkaido University, Faculty of Science, Mathematics 1999 04 - 2003 03 , Hokkaido University, School of Science, Mathematics
Research Activities
Research Areas
Natural sciences, Basic analysis, 関数解析学 複素解析学 Humanities & social sciences, Tertiary education, 数学教育
Published Papers
Indefinite structure of the Bergman kernel on the open unit disk, Kenta Kojin; Shuhei Kuwahara; Michio Seto, Journal of Mathematical Analysis and Applications, Elsevier BV, 556, (2) , 2026 04 Exponentials of de Branges–Rovnyak kernels, Shuhei Kuwahara; Michio Seto, Canadian Mathematical Bulletin, Canadian Mathematical Society, 65, (2) 447 - 455, 2021 06 03 Invariant subspaces of some Toeplitz operators on weighted Hardy spaces over the bidisk, Shuhei kuwahara, 2020 09 COMMON INVARIANT SUBSPACES OF A FAMILY OF TOEPLITZ OPERATORS, Kuwahara Shuhei; Nakazi Takahiko; Seto Michio, Scientiae Mathematicae Japonicae, International Society for Mathematical Sciences, 83, (2) 117 - 126, 2020 面積を求めることを中心に置いた積分に関する授業実践, 桑原, 修平, 岐阜数学教育研究, 18, 53 - 67, 2019 Reducing subspaces for a class of Toeplitz operators on weighted Hardy spaces over bidisk, Shuhei Kuwahara, Bulletin of the Korean Mathematical Society, 54, (4) 1221 - 1228, 2017 07 31 Reducing subspaces of multiplication operators on weighted Hardy spaces over bidisk, Kuwahara Shuhei, Journal of the Mathematical Society of Japan, The Mathematical Society of Japan, 69, (4) 1555 - 1563, 2017 Reducing subspaces of weighted Hardy spaces on polydisks, Shuhei Kuwahara, Nihonkai Mathematical Journal, 25, (2) 77 - 83, 2015 03 26
Conference Activities & Talks
数学に苦手意識をもつ大学初年次学生への授業実践―学生アンケートを活用した数学Ⅰの授業改善―, 桑原修平, 北海道FDSDフォーラム2026 Common invariant subspaces of some Toeplitz operators on Hardy space over the bidisk, 桑原 修平, ポテンシャル論セミナー（名城大学） Common invariant subspaces of a family of Toeplitz operators, 桑原 修平, RCFセミナー On Toeplitz operators over Hilbert spaces of analytic functions, 桑原 修平, RCFセミナー（岐阜大学） Reducing subspaces for classes of Toeplitz operators on Hilbert spaces of analytic functions, 桑原 修平, 月曜解析セミナー（北海道大学） Reducing subspaces for a class of Toeplitz operators on weighted Hardy spaces over bidisk, 2016年度関数環研究集会 重み付きハーディー空間の乗法作用素について, 桑原 修平, 2015年度関数環研究集会 Reducing subspaces of weighted Hardy spaces on polydisks, 桑原 修平, 2014年度関数環研究集会 Reducing subspaces of weighted Hardy spaces on polydisks, 桑原 修平, 第14回関数空間セミナー
Misc
Schatten-von Neumann properties of Toeplitz operators on fractional parabolic Hardy spaces, Shuhei Kuwahara, 2026 01 , 10.5281/zenodo.18275485 Stability and Normal Families of Toeplitz Operators on Fractional Parabolic Hardy Spaces, Shuhei Kuwahara, 2026 01 , 10.5281/zenodo.18372593 The algebra generated by Toeplitz operators with sums of coordinate powers on the Hardy space over the bidisk, Shuhei Kuwahara, 2026 01 , 10.5281/zenodo.18358945 Specific examples of invariant subspaces for Toeplitz operators on the Hardy space over the bidisk, 鈴木紀明; 桑原修平, 名城大学理工学部研究報告, 60, 2020 03
Awards & Honors
2003 03 , 北海道大学, クラーク賞
社会貢献活動情報
Social Contribution
2026 - Today, 米国数学会 Mathematical Reviews レビュアー#
教員総覧
E-Mail：
Website：
Last Update :2026/09/14
Researcher Profile and Settings
Name
| KUWAHARA Shuhei |
Affiliation (Master)
| College of Agriculture,Food and Environment Sciences, Department of Agricultural and Environmental Information Sciences |
Affiliation & Job
| Rakuno Gakuen University |
Education
| 2003 04 - 2005 03 , Hokkaido University, Faculty of Science, Mathematics |
| 1999 04 - 2003 03 , Hokkaido University, School of Science, Mathematics |
Research Activities
Research Areas
| Natural sciences, Basic analysis, 関数解析学 複素解析学 |
| Humanities & social sciences, Tertiary education, 数学教育 |
Published Papers
| Indefinite structure of the Bergman kernel on the open unit disk, Kenta Kojin; Shuhei Kuwahara; Michio Seto, Journal of Mathematical Analysis and Applications, Elsevier BV, 556, (2) , 2026 04 |
| Exponentials of de Branges–Rovnyak kernels, Shuhei Kuwahara; Michio Seto, Canadian Mathematical Bulletin, Canadian Mathematical Society, 65, (2) 447 - 455, 2021 06 03 |
| Invariant subspaces of some Toeplitz operators on weighted Hardy spaces over the bidisk, Shuhei kuwahara, 2020 09 |
| COMMON INVARIANT SUBSPACES OF A FAMILY OF TOEPLITZ OPERATORS, Kuwahara Shuhei; Nakazi Takahiko; Seto Michio, Scientiae Mathematicae Japonicae, International Society for Mathematical Sciences, 83, (2) 117 - 126, 2020 |
| 面積を求めることを中心に置いた積分に関する授業実践, 桑原, 修平, 岐阜数学教育研究, 18, 53 - 67, 2019 |
| Reducing subspaces for a class of Toeplitz operators on weighted Hardy spaces over bidisk, Shuhei Kuwahara, Bulletin of the Korean Mathematical Society, 54, (4) 1221 - 1228, 2017 07 31 |
| Reducing subspaces of multiplication operators on weighted Hardy spaces over bidisk, Kuwahara Shuhei, Journal of the Mathematical Society of Japan, The Mathematical Society of Japan, 69, (4) 1555 - 1563, 2017 |
| Reducing subspaces of weighted Hardy spaces on polydisks, Shuhei Kuwahara, Nihonkai Mathematical Journal, 25, (2) 77 - 83, 2015 03 26 |
Conference Activities & Talks
| 数学に苦手意識をもつ大学初年次学生への授業実践―学生アンケートを活用した数学Ⅰの授業改善―, 桑原修平, 北海道FDSDフォーラム2026 |
| Common invariant subspaces of some Toeplitz operators on Hardy space over the bidisk, 桑原 修平, ポテンシャル論セミナー（名城大学） |
| Common invariant subspaces of a family of Toeplitz operators, 桑原 修平, RCFセミナー |
| On Toeplitz operators over Hilbert spaces of analytic functions, 桑原 修平, RCFセミナー（岐阜大学） |
| Reducing subspaces for classes of Toeplitz operators on Hilbert spaces of analytic functions, 桑原 修平, 月曜解析セミナー（北海道大学） |
| Reducing subspaces for a class of Toeplitz operators on weighted Hardy spaces over bidisk, 2016年度関数環研究集会 |
| 重み付きハーディー空間の乗法作用素について, 桑原 修平, 2015年度関数環研究集会 |
| Reducing subspaces of weighted Hardy spaces on polydisks, 桑原 修平, 2014年度関数環研究集会 |
| Reducing subspaces of weighted Hardy spaces on polydisks, 桑原 修平, 第14回関数空間セミナー |
Misc
| Schatten-von Neumann properties of Toeplitz operators on fractional parabolic Hardy spaces, Shuhei Kuwahara, 2026 01 , 10.5281/zenodo.18275485 |
| Stability and Normal Families of Toeplitz Operators on Fractional Parabolic Hardy Spaces, Shuhei Kuwahara, 2026 01 , 10.5281/zenodo.18372593 |
| The algebra generated by Toeplitz operators with sums of coordinate powers on the Hardy space over the bidisk, Shuhei Kuwahara, 2026 01 , 10.5281/zenodo.18358945 |
| Specific examples of invariant subspaces for Toeplitz operators on the Hardy space over the bidisk, 鈴木紀明; 桑原修平, 名城大学理工学部研究報告, 60, 2020 03 |
Awards & Honors
| 2003 03 , 北海道大学, クラーク賞 |
社会貢献活動情報
Social Contribution
| 2026 - Today, 米国数学会 Mathematical Reviews レビュアー# |
教員総覧