Sakai Takashi

サカイタカシ | Sakai Takashi

Affiliation and department：
Other affiliations (1)：

Homepage URL (2)： https://www.comp.tmu.ac.jp/tsakai/ , https://www.comp.tmu.ac.jp/tsakai/index-e.html

Research field (1)： Geometry

Research keywords (9)：幾何学 , 微分幾何学 , 積分幾何学 , 対称空間 , 等質空間 , 部分多様体 , 極小部分多様体 , ラグランジュ部分多様体 , 二重調和写像

Research theme for competitive and other funds (19)：

2021 - 2025 対称空間の一般化およびその極地と対蹠集合の幾何学的研究
2017 - 2022 Geometry of Lie group actions and submanifolds associated to symmetric pairs
2015 - 2018 New Development of Submanifold Geometry and Harmonic Map Theory in Symmetric Spaces
2015 - 2018 Extension and application of antipodal sets in symmetric spaces
2013 - 2018 Systematic development and application of methods in differential geometry and integrable systems motivated by quantum cohomology

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Papers (20)：

Peter Quas, Takashi Sakai. A survey on natural Γ-symmetric structures on R-spaces. Differential geometry and global analysis-in honor of Tadashi Nagano, Contemporary Mathematics, Amerian Mathemathcal Society. 2022. 777. 185-197
Peter Quast, Takashi Sakai. Natural Γ-symmetric structures on R-spaces. Journal de Mathématiques Pures et Appliquées. 2020. 141. 371-383
Shinji Ohno, Takashi Sakai, Hajime Urakawa. Biharmonic homogeneous submanifolds in compact symmetric spaces and compact Lie groups. Hiroshima Mathematical Journal. 2019. 49. 1. 47-115
Shinji Ohno, Takashi Sakai, Hajime Urakawa. Rigidity of transversally biharmonic maps between foliated Riemannian manifolds. Hokkaido Mathematical Journal. 2018. 47. 3. 637-654
Shinji Ohno, Takashi Sakai, Hajime Urakawa. Biharmonic homogeneous submanifolds in compact symmetric spaces. Springer Proceedings in Mathematics and Statistics. 2017. 203. 323-333

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MISC (6)：

酒井高司. 曲線・曲面の幾何学 (特集目に見える幾何学). 数学セミナー. 2016. 55. 5. 13-17
酒井高司. 曲がった図形の捉え方 (特集ベクトル・行列が見せるもの). 数学セミナー. 2013. 52. 6. 17-21
入江博, 酒井高司. 複素2次超曲面の実形の大域的タイト性と特殊関数 (部分多様体論とその周辺領域における新たな研究対象). 数理解析研究所講究録. 2009. 1668. 25-42
Sakai Takashi. On the geometry of the orbits of $s$-representations(The theory of transformation groups and its applications). RIMS Kokyuroku. 2007. 1569. 138-152
Iriyeh Hiroshi, Ono Hajime, Sakai Takashi. Hamiltonian volume minimizing properties of Lagrangian submanifolds (New methods and subjects in submanifold theory and related areas). RIMS Kokyuroku. 2004. 1403. 10-17

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Professional career (1)：

Work history (5)：

2020/04 - 現在東京都立大学理学研究科教授
2019/10 - 2020/03 Tokyo Metropolitan University
2018/04 - 2019/03 Tokyo Metropolitan University Graduate School of Science
2011/10 - 2018/03 Tokyo Metropolitan University Graduate School of Science and Engineering
2009/04 - 2011/09 Tokyo Metropolitan University Graduate School of Science and Engineering

Association Membership(s) (1)：

THE MATHEMATICAL SOCIETY OF JAPAN

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