Atsuhiro Nakamoto, Seiya Negami. Note on Diagonal Flips and Chromatic Numbers of Quadrangulations on Closed Surfaces. In Jin Akiyama, Mikio Kano, Masatsugu Urabe, editors, Discrete and Computational Geometry, Japanese Conference, JCDCG 2000, Tokyo, Japan, November, 22-25, 2000, Revised Papers. Volume 2098 of Lecture Notes in Computer Science, pages 274-279, Springer, 2000. [doi]
Abstract is missing.