Ryo Kato. An analogue of the dichotomy conjecture on monoidally distributive posets. to appear in Publications of Research Institute for Mathematical Sciences. 2025
Ryo Kato, You-na Kawamoto, Hiroki Okajima, Katsumi Shimomura. Generalized Moore spectra and Hopkins' Picard groups for a smaller chromatic level. Advanced Studies: Euro-Tbilisi Mathematical Journal. 2024. 17. 2. 91-109
Ryo Kato. Retract conjecture on a sublattice of monoidal posets. Proceedings of the American Mathematical Society. 2023. 151. 3157-3167
Ryo Kato. E(2)-local Picard graded beta elements at the prime three. Mathematical Journal of Okayama University. 2023. 65. 23-34
Ryo Kato, Katsumi Shimomura. A note on products in stable homotopy groups of spheres via the classical Adams spectral sequence. Mathematical Journal of Okayama University. 2021. 63. 107-122