Affiliation
Faculty o Education Mathematics Education
Contact information
External link
SAWAHARA Masatomo
Degree
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Ph. D. (Science)
Education
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Saitama University Graduate School of Science and Engineering Department of Mathematics (Doctoral Degree Program) Completed
2019.04 ～ 2022.03
Country： Japan
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Saitama University Graduate School of Science and Engineering Department of Mathematics (Master's Degree Program) Completed
2017.04 ～ 2019.03
Country： Japan
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Saitama University Faculty of Science Department of Mathematics Graduated
2013.04 ～ 2017.03
Country： Japan
Campus Career
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Hirosaki University Faculty o Education Mathematics Education Assistant Professor
2023.10 ～ Now
Research Interests
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Algebraic Geometry
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Normal algebraic surfaces
Research Areas
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Natural Science / Algebra
Professional Memberships
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The Mathematical Society of Japan
Papers
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Minimal compactifications of the affine plane with only star-shaped singularities
Masatomo Sawahara
Taiwanese Journal of Mathematics (Online first) 23pp 2025.3
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Cylindrical ample divisors on Du Val del Pezzo surfaces
Masatomo Sawahara
Forum Mathematicum (Online first) 23pp 2025.1
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Cylinders in canonical del Pezzo fibrations
Masatomo Sawahara
Annales de l'Institut Fourier 74 ( 1 ) 1 - 69 2024.5
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Minimal compactifications of the affine plane with nef canonical divisors
Masatomo Sawahara
Communications in Algebra 52 ( 5 ) 2185 - 2204 2024.3
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Cylinders in weak del Pezzo fibrations
Masatomo Sawahara
Transformation Groups 28 ( 1 ) 413 - 437 2023.3
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Notes on cylinders in smooth projective surfaces
Masatomo Sawahara
Geometriae Dedicata 217 ( 1 ) 14pp 2023.2
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Compactifications of the affine plane over nonclosed fields
Masatomo Sawahara
Pacific Journal of Mathematics 321 ( 2 ) 375 - 413 2022.12
Social Activities
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Intensive Lectures on Minimal compactifications of the affine plane (at Saitama Univ.)
2025.01.06 ～ 2025.01.10