【摘要】 引入了一类基于连接关系的图,并结合“折叠法”对该类图的着色问题与四色猜想进行了研究,给出了四色猜想的一个必要条件和一个等价命题的证明.最后提出了相关的猜想.更多还原

【Abstract】 This paper introduced the graphs based on k_n connecting relations,and studied the coloring of these graphs and FCC by using "folding method".The proof of a necessary condition and an equivalent theorem of FCC was presented.Finally, the relative conjectures were presented.更多还原