Comments on Exchange Graphs in Cluster Algebras. - Hyun Kyu Kim; Masahito Yamazaki (Exp. Math., 2020)

The minimum number of vertices of graphs containing two monochromatic triangles for any edge $2$-coloring. - Naoki Matsumoto; Masaki Yamamoto 001; Masahito Yamazaki (Australas. J Comb., 2021)