Rchr
J-GLOBAL ID：202201010755199229
Update date: Feb. 11, 2025
Sawahara Masatomo
サワハラ マサトモ | Sawahara Masatomo
Affiliation and department：
Homepage URL (1)：
https://sites.google.com/view/masatomo-sawahara
Research field (1)：
Algebra
Research keywords (4)：
Normal algebraic surfaces
, Del Pezzo surfaces
, Affine ruled
, Cylinders
Research theme for competitive and other funds (2)：
- 2024 - 2026 Log del Pezzo surfaces and their polarized cylinders
- 2023 - 2024 正規del Pezzo曲面の偏極シリンダー
Papers (6)：
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Masatomo Sawahara. Cylindrical ample divisors on Du Val del Pezzo surfaces. Forum Mathematicum (Online first). 2025. 23pp
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Masatomo Sawahara. Cylinders in canonical del Pezzo fibrations. Annales de l'Institut Fourier. 2024. 74. 1. 1-69
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Masatomo Sawahara. Minimal compactifications of the affine plane with nef canonical divisors. Communications in Algebra. 2024. 52. 5. 2185-2204
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MASATOMO SAWAHARA. CYLINDERS IN WEAK DEL PEZZO FIBRATIONS. Transformation Groups. 2023. 28. 1. 413-437
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Masatomo Sawahara. Notes on cylinders in smooth projective surfaces. Geometriae Dedicata. 2023. 217. 1
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MISC (2)：
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Masatomo Sawahara. Polarized cylinders in Du Val del Pezzo surfaces of degree two. 2024
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Masatomo Sawahara. Minimal compactifications of the affine plane with only star-shaped singularities. 2024
Lectures and oral presentations (23)：
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Polarized cylinders in Du Val del Pezzo surfaces
(Conference - Affine Geometry and Birational Geometry 2025)
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Minimal compactifications of the affine plane with only star-shaped singularities
(射影多様体の幾何とその周辺 2024 2024)
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Minimal compactifications of the affine plane with only star-shaped singularities
(第7回情報数理セミナー 2024)
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Cylindricity of Du Val del Pezzo surfaces
(日本数学会2024年度年会 2024)
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Some results on cylinders in Du Val del Pezzo surfaces
(The 22nd Affine Algebraic Geometry Meeting 2024)
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Education (3)：
- 2019 - 2022 Saitama University Graduate School of Science and Engineering
- 2017 - 2019 Saitama University Graduate School of Science and Engineering
- 2013 - 2017 Saitama University Faculty of Science
Professional career (1)：
- Ph. D. (Science) (Saitama University)
Work history (5)：
- 2023/10 - 現在 Hirosaki University Faculty of Education Assistant Professor
- 2024/09 - 2025/03 Saitama University Faculty of Science Part-time lecturer
- 2023/04 - 2023/09 Yokohama National University College of Engineering Science Part-time lecturer
- 2022/09 - 2023/03 National Institute of Technology, Oyama College Part-time lecturer
- 2022/04 - 2023/03 Saitama University Graduate School of Science and Engineering Part-time Researcher
Association Membership(s) (1)：
The Mathematical Society of Japan
