Hasegawa Keizo

ハセガワケイゾウ | Hasegawa Keizo

Affiliation and department：
Job title： Research Fellow
Other affiliations (1)：

Osaka University Graduate School of Science Invited Professor

Research field (1)： Geometry

Research keywords (10)：シンプレクティック構造 , ケーラー構造 , 慨複素構造 , Lie群 , 等質多様体 , Symplectic structures , Kaehler structures , Almost complex structures , Lie groups , Homogeneous manifolds

Research theme for competitive and other funds (15)：

2021 - 2024 Complex geometric structures and their moduli on Lie groups and homogeneous spaces
2018 - 2023 Locally homogeneous Kaehler manifolds and Transformation groups
2016 - 2022 Complex geometric structures on homogeneous and locally homogeneous manifolds
2015 - 2018 Locally homogeneous non-Kaehler manifolds and Transformation groups
2013 - 2016 Study of Complex Structures and Conformal Geometric Structures on Homogeneous Spaces

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Papers (13)：

Vicente Cortés, Keizo Hasegawa. Unimodular Sasaki and Vaisman Lie groups. Mathematische Zeitschrift. 2023. 303. 4
D. ALEKSEEVSKY, K. HASEGAWA, Y. KAMISHIMA. HOMOGENEOUS SASAKI AND VAISMAN MANIFOLDS OF UNIMODULAR LIE GROUPS. Nagoya Mathematical Journal. 2019. 1
Keizo Hasegawa, Yoshinobu Kamishima. COMPACT HOMOGENEOUS LOCALLY CONFORMALLY KAHLER MANIFOLDS. OSAKA JOURNAL OF MATHEMATICS. 2016. 53. 3. 683-703
D. V. Alekseevsky, V. Cortés, K. Hasegawa, Y. Kamishima. Homogeneous locally conformally Kähler and Sasaki manifolds. International Journal of Mathematics. 2015. 26. 06. 1541001-1541001
Keizo Hasegawa, Yoshinobu Kamishima. Locally conformally kähler structures on homogeneous spaces. Progress in Mathematics. 2015. 308. 353-372

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MISC (6)：

A note on Compact Solvmanifolds with Kaehler Structures. Osaka Journal of Mathematics. 2006. Vol.43, No. 1
A note on Compact Solvmanifolds with Kaehler Structures. Osaka Journal of Mathematics. 2006. Vol.43, No. 1
Complex and Keahler Structures on Compact Solvmanifolds, Proceedings of the Conference on Symplectic Topology (Stare Jablonki, 2004). Journal of Symplectic Geometry. 2005. Vol. 3, No. 4
Complex and Keahler Structures on Compact Solvmanifolds, Proceedings of the Conference on Symplectic Topology (Stare Jablonki, 2004). Journal of Symplectic Geometry. 2005. Vol. 3, No. 4
A Class of Compact Kaehlerian Solvmanifolds and a General Conjecture. Geometriae Dedicata. 1999. Vol. 78, 253-258

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Education (3)：

- 1987 University of California, Berkeley
- 1987 University of California at Berkeley Department of Mathematics Mathematics
- 1982 学習院大学大学院自然科学研究科数学専攻修士課程

Professional career (2)：

Ph.D. (University of California at Berkeley)
MA (Gakushuin University)

Association Membership(s) (2)：

日本数学会 , 米国数学会

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