Orita Ryuma

オリタリュウマ | Orita Ryuma

Affiliation and department：
Job title： Associate Professor
Homepage URL (2)： https://ryuma-orita.netlify.app/ja/ , https://ryuma-orita.netlify.app/

Research field (1)： Geometry

Research theme for competitive and other funds (4)：

2021 - 2026 Robot motion planning and symplectic geometry
2020 - 2022 Applications of periodic orbits in Hamiltonian dynamics and persistence modules
2018 - 2021 Research on applications of Floer theory and persistence modules
2014 - 2017 Morse理論の様々な応用に関する研究

Papers (9)：

Ryuma Orita. Topological complexity of monotone symplectic manifolds. Tokyo Journal of Mathematics. 2024. 47. 2
Morimichi Kawasaki, Ryuma Orita. Rigid fibers of integrable systems on cotangent bundles. Journal of the Mathematical Society of Japan. 2022. 74. 3. 829-847
Morimichi Kawasaki, Ryuma Orita. Existence of pseudoheavy fibers of moment maps. Communications in Contemporary Mathematics. 2020. 23. 05. 2050047-2050047
Ryuma Orita. On the existence of infinitely many non-contractible periodic orbits of Hamiltonian diffeomorphisms of closed symplectic manifolds. Journal of Symplectic Geometry. 2020. 17. 6. 1893-1927
Morimichi Kawasaki, Ryuma Orita. Disjoint superheavy subsets and fragmentation norms. Journal of Topology and Analysis. 2019. 13. 02. 443-468

ｍore...

MISC (1)：

Kanta Koeda, Ryuma Orita, Kanon Yashiro. Floer-type bipersistence modules and rectangle barcodes. 2023

Books (1)：

Education (3)：

2014 - 2017 The University of Tokyo Graduate School of Mathematical Sciences Doctoral Course
2012 - 2014 The University of Tokyo Graduate School of Mathematical Sciences Master Course
2008 - 2012 Kyushu University School of Science Department of Mathematics

Professional career (3)：

Work history (8)：

2024/07 - 現在 Niigata University Faculty of Science Associate Professor
2020/03 - 2024/06 Niigata University Faculty of Science Assistant Professor
2019/04 - 2020/02 Aoyama Gakuin University College of Science and Engineering Teaching Associate (adjunct)
2018/04 - 2020/02 Tokyo Metropolitan University Graduate School of Science JSPS Research Fellow (PD)
2017/08 - 2018/03 National Center for Theoretical Sciences (NCTS) Mathematics Division Postdoctoral Fellow

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Association Membership(s) (1)：

The Mathematical Society of Japan

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