Diagonal Flips in Hamiltonian Triangulations on the Sphere. - Ryuichi Mori; Atsuhiro Nakamoto; Katsuhiro Ota (Graphs Comb., 2003)

Diagonal flips in Hamiltonian triangulations on the projective plane. - Ryuichi Mori; Atsuhiro Nakamoto (Discret. Math., 2005)

(3, 3)-Linked planar graphs. - Ryuichi Mori (Discret. Math., 2008)

Linear number of diagonal flips in triangulations on surfaces. - Ryuichi Mori; Atsuhiro Nakamoto (Electron. Notes Discret. Math., 2011)

Quadrangulations on 3-Colored Point Sets with Steiner Points and Their Winding Numbers. - Sho Kato; Ryuichi Mori; Atsuhiro Nakamoto (Graphs Comb., 2014)