The best constant of discrete Sobolev inequality on 1812 C60 fullerene isomers. - Yoshinori Kametaka; Kohtaro Watanabe 001; Atsushi Nagai; Kazuo Takemura; Hiroyuki Yamagishi; Hiroto Sekido (JSIAM Lett., 2020)

Regular graphs to induce even periodic Grover walks. - Sho Kubota; Hiroto Sekido; Kiyoto Yoshino (Discret. Math., 2025)