Planar graphs without 4- and 6-cycles are (7 : 2)-colorable

Haitao Wu, Yaojun Chen, Xiaolan Hu. Planar graphs without 4- and 6-cycles are (7 : 2)-colorable. J. Comb. Optim., 40(1):45-58, 2020. [doi]

Abstract

Abstract is missing.