Harmonic index designs in binary Hamming association schemes, joint work with Eiichi Bannai, Etsuko Bannai, Takuya Ikuta, Kyoung-Tark Kim,
Graphs and Combinatorics. DOI 10.1007/s00373-017-1784-5.
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.
Half of an antipodal spherical design, joint work with Eiichi Bannai, Da Zhao, Lin Zhu, Yinfeng Zhu.
Tight -designs on one shell in Johnson association schemes, joint work with Eiichi Bannai.
Classification problem of certain spherical embeddings of strongly regular graphs, joint work with Eiichi Bannai, Etsuko Bannai, Ziqing Xiang, Wei-Hsuan Yu.
Relative -designs in Johnson association schemes for P-structure.