摘要
为采用常规数学方法研究“四色问题”,本文先对极大平面图的结构进行分析提出了极大平面图的判断定理。
In order for the four colors problem is studied with a conventional math method,first the structure of maximum planar diagram is analysed,soon the criterion theorems,the related properties and the constructing algorithm are proposed.
出处
《光子学报》
EI
CAS
CSCD
1998年第2期167-172,共6页
Acta Photonica Sinica