Morse index and Gauss maps of complete minimal surfaces in Euclidean 3-space. Shin Nayatani — 1993 Commentarii mathematici Helvetici
Quaternionic analogue of CR geometry Hiroyuki Kamada; Shin Nayatani Séminaire de théorie spectrale et géométrie
Canonical metric on the domain of discontinuity of a kleinian group Hiroyasu Izeki; Shin Nayatani Séminaire de théorie spectrale et géométrie
Morse indices of Yang-Mills connections over the unit sphere Shin Nayatani; Hajime Urakawa — 1995 Compositio Mathematica