3-dynamic coloring of planar triangulations. - Yoshihiro Asayama; Yuki Kawasaki; Seog-Jin Kim; Atsuhiro Nakamoto; Kenta Ozeki (Discret. Math., 2018)

Generating Even Triangulations on the Klein Bottle. - Yoshihiro Asayama; Naoki Matsumoto; Atsuhiro Nakamoto; Shota Ogano (Graphs Comb., 2018)

N-Flips in Triangulations with Two Odd Degree Vertices. - Yoshihiro Asayama; Ryo Matsukawa; Naoki Matsumoto; Atsuhiro Nakamoto (Graphs Comb., 2020)

Balanced Polychromatic 2-Coloring of Triangulations. - Yoshihiro Asayama; Naoki Matsumoto (Graphs Comb., 2022)