Tight -designs on one shell in Johnson association schemes, joint work with Eiichi Bannai,
European Journal of Combinatorics. DOI 10.1016/j.ejc.2018.02.024.
Half of an antipodal spherical design, joint work with Eiichi Bannai, Da Zhao, Lin Zhu, Yinfeng Zhu,
Archiv der Mathematik. 110 (2018), 459-466.
Harmonic index designs in binary Hamming association schemes, joint work with Eiichi Bannai, Etsuko Bannai, Takuya Ikuta, Kyoung-Tark Kim,
Graphs and Combinatorics. 33 (2017), 1405–1418.
On spherical designs of some harmonic indices, joint work with Eiichi Bannai, Etsuko Bannai, Kyoung-Tark Kim, Wei-Hsuan Yu,
Electronic Journal of Combinatorics. 24(2) (2017), #P2.14.
Design theory from the viewpoint of algebraic combinatorics, joint work with Eiichi Bannai, Etsuko Bannai, Hajime Tanaka,
Graphs and Combinatorics. 33(1) (2017) 1–41.
Relative -designs in binary Hamming association scheme , joint work with Eiichi Bannai, Etsuko Bannai,
Designs, Codes and Cryptography. 84 (2017), no. 1, 23–53.
Tight relative -designs on two shells in Johnson association schemes, joint work with Eiichi Bannai, Etsuko Bannai,
Discrete Mathematics. 339(2) (2016) 957–973.
A survey on tight Euclidean -designs and tight relative -designs in certain association schemes, joint work with Eiichi Bannai, Etsuko Bannai,
Proceedings of the Steklov Institute of Mathematics. 288(1) (2015) 189–202.