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J-GLOBAL ID：201801007263594900   Update date: May. 07, 2024

Kojima Hideo

コジマ ヒデオ | Kojima Hideo
Affiliation and department：
新潟大学 自然科学系

About 新潟大学 自然科学系


Job title： 教授
Research field  (1)： Algebra
Research keywords  (4)： Affine algebraic surfaces ,  Logarithmic Kodaira dimension ,  Normal algebraic surfaces ,  Open algebraic surfaces
Research theme for competitive and other funds  (17)：
  • 2021 - 2024 Structure and logarithmic plurigenera of normal affine surfaces
  • 2017 - 2020 開代数曲面と正規代数曲面の研究
  • 2015 - 2019 Structural analysis of the automorphism group of a polynomial ring and its application
  • 2014 - 2017 対数的小平次元が1以下となる開代数曲面と正規代数曲面の構造解明
  • 2012 - 2017 高次元アフィン代数多様体の構造とユニポテント幾何
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Papers (45)：
  • Kyohei Hattori, Hideo Kojima. Rings of nilpotent elements of monomial derivations on polynomial rings. Communications in Algebra. 2024. 52. 7. 2998-3009
  • Hideo Kojima. Smooth affine G_m-surfaces with finite Picard groups and trivial units. Tokyo Journal of Mathematics. 2023. 46. 1. 93-109
  • Hideo Kojima, Takeshi Takahashi. Normal log canonical del Pezzo surfaces of rank one and type (IIb). Saitama Mathematical Journal. 2022. 34. 47-72
  • Hideo Kojima. Some results on open algebraic surfaces of logarithmic Kodaira dimension zero. Journal of Algebra. 2020. 547. 238-261
  • Hideo Kojima. Singularities of Normal Log Canonical del Pezzo Surfaces of Rank One. Polynomial rings and affine algebraic geometry, Springer Proc. Math. Stat. 2020. 319. 199-208
ｍore...
MISC (2)：
  • Gene Freudenburg, Hideo Kojima, Takanori Nagamine. Smooth factorial affine surfaces of logarithmic Kodaira dimension zero with trivial units. 2019
  • Chiaki Kitazawa, Hideo Kojima, Takanrori Nagamine. Closed polynomials and their applications for computations of kernels of monomial derivations. 2018
Books (4)：
  • Algebraic varieties and automorphism groups
    Mathematical Society of Japan 2017 ISBN:9784864970488
  • 要点明解線形数学
    培風館 2016 ISBN:9784563012007
  • Affine algebraic geometry : proceedings of the conference, Osaka, Japan, 3-6 March 2011
    World Scientific 2013 ISBN:9789814436694
  • 要点明解線形数学
    培風館 2006 ISBN:4563003611
Lectures and oral presentations  (13)：
  • Rational open surfaces of log Kodaira dimension ≤ 1
    (RIMS Symposia: Rational points on higher dimensional varieties 2019)
  • Closed polynomials over integral domains
    (The 1st Asian International Conference in Science (UTAR, NU, and CYCU) 2019)
  • Some results on open algebraic surfaces of logarithmic Kodaira dimension zero
    (Kinosaki Algebraic Geometry Symposium 2019 2109)
  • Logarithmic plurigenera of smooth affine surfaces
    (Algebraic surfaces and related topics 2019)
  • Normal log canonical del Pezzo surfaces of rank one
    (2018)
ｍore...
Education (3)：
  • 1997 - 1999 Osaka University
  • 1995 - 1997 Osaka University Graduate School of Science
  • 1991 - 1995 Niigata University Faculty of Science Department of Mathematics
Professional career (1)：
  • 博士 (理学) (大阪大学)
Work history (8)：
  • 2013/04 - 現在 Niigata University
  • 2010/09 - 2013/03 Niigata University
  • 2004/04 - 2010/08 Niigata University
  • 2002/04 - 2004/03 Niigata University
  • 2000/11 - 2002/03 Naruto University of Education College of Education
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Association Membership(s) (1)：
THE MATHEMATICAL SOCIETY OF JAPAN
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