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