Chromatic Numbers and Cycle Parities of Quadrangulations on Nonorientable Closed Surfaces

Atsuhiro Nakamoto, Seiya Negami, Katsuhiro Ota. Chromatic Numbers and Cycle Parities of Quadrangulations on Nonorientable Closed Surfaces. Electronic Notes in Discrete Mathematics, 11:509-518, 2002. [doi]

Abstract

Abstract is missing.