Rchr
J-GLOBAL ID：201901020237129330
Update date: Nov. 04, 2025
Okuda Takayuki
Okuda Takayuki
Affiliation and department：
Research field (1)：
Geometry
Research keywords (5)：
Lie group theory
, Homogeneous space
, Combinatorics
, Representation theory
, Differential Geometry
Research theme for competitive and other funds (3)：
- 2024 - 2029 Relationship between coding theory and discontinuous groups for homogeneous spaces through coarse geometry
- 2020 - 2024 リーマン対称空間における全測地的部分多様体のディンキン指数を用いた研究
- 2016 - 2020 擬リーマン対称空間上の固有な群作用の組合せ論的手法を用いた研究
Papers (22)：
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Hikozo Kobayashi, Takayuki Okuda. On Invariant Conjugate Symmetric Statistical Structures on the Space of Zero-Mean Multivariate Normal Distributions. Geometric Science of Information, Lecture Notes in Computer Science. 2025. 16033. 65-72
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Hiroaki NAGAYA, Kento OGAWA, Takayuki OKUDA. A characterization of proper actions on homogeneous spaces with non-compact isotropy groups from a viewpoint of coarse geometry. Proceedings of the Japan Academy, Ser. A Mathematical Sciences. 2025. 101. 6. 31-36
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Kazuki Kannaka, Takayuki Okuda, Koichi Tojo. Zariski dense discontinuous surface groups for reductive symmetric spaces. Progress in Mathematics, Symmetry in Geometry and Analysis, Volume 1 Festschrift in Honor of Toshiyuki Kobayashi. 2025. 321-354
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Kento Ogawa, Takayuki Okuda. A proof of Kobayashi's properness criterion from a viewpoint of metric geometry. Progress in Mathematics, Symmetry in Geometry and Analysis, Volume 1 Festschrift in Honor of Toshiyuki Kobayashi. 2025. 377-406
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Takayuki Okuda. Some remarks on real minimal nilpotent orbits and symmetric pairs. to appear in the Springer-Proms volume in honor of Professor T. Kobayashi (accepted at Sept. 24, 2024). 2024
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MISC (17)：
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奥田隆幸. 等質空間上の固有な群作用と符号理論の関係について. 第39回代数的組合せ論シンポジウム報告集. 2024. 53-67
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Takayuki Okuda. Split Dynkin indices for homomorphisms between real simple Lie algebras. RIMS Kokyuroku. 2022. 2234. 84-91
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Akira Kubo, Takayuki Okuda, Hiroshi Tamaru. Remarks on totally geodesic complex curves in Hermitian symmetric spaces. Proceedings of THE 23rd INTERNATIONAL DIFFERENTIAL GEOMETRY WORKSHOP ON SUBMANIFOLDS IN HOMOGENEOUS SPACES & RELATED TOPICS. 2021. 23. 129-139
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Hirotake Kurihara, Takayuki Okuda. Combinatorics and Fourier analysis on compact symmetric spaces. Quandles and Symmetric Spaces, OCAMI Reports. 2021. 4. 61-73
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Akira Kubo, Takayuki Okuda, Hiroshi Tamaru. Dynkin indices for totally geodesic submanifolds in compact symmetric spaces. Proceedings of The 22nd International Workshop on Differential Geometry of Submanifolds in Symmetric Spaces and Related Problems. 2019. 22. 195-200
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Lectures and oral presentations (61)：
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粗幾何学における符号理論
(熊本大学理学部数学教室 談話会 2025)
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A categorical framwork on coarse geometry
(The 10th China-Japan Geometry Conference 2025)
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Coarse coding theory and coarse equivalence
(2025)
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Coarse coding theory and discontinuous groups for homogeneous spaces
(2025)
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Coarse coding theory and discontinuous groups on homogeneous spaces
(The University of Tokyo, Lie Groups and Representation Theory Seminar, Tuesday Seminar on Topology 2025)
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Education (3)：
- 2010 - 2013 The University of Tokyo Graduate School of Mathematical Science Doctoral course, Mathematical Science
- 2008 - 2010 The University of Tokyo Graduate School of Mathematical Science Master's course, Mathematical Science
- 2004 - 2008 Kyushu University School of Science Faculty of Mathematics
Work history (5)：
- 2021/04 - 現在 Hiroshima University
- 2020/04 - 2021/03 Hiroshima University
- 2017/10 - 2020/03 Hiroshima University Graduate School of Science Lecturer
- 2014/04 - 2017/09 Hiroshima University Graduate School of Science Research Associate
- 2013/04 - 2014/03 Tohoku University Graduate School of Information Sciences JSPS Postdoctoral Fellow (PD)
Awards (1)：
- 2017/09 - The Mathematical Society of Japan MSJ Takebe Katahiro Prise Discontinuous groups and combinatorics of homogeneous spaces
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