“四色定理”的概念、定义、翻译、参考文献-科学参考

单词	四色定理
释义	四色定理 Encyclopedia 理学旅行售货商问题释 four color theorem四色定理设图G是一个平面图，图G的面染色（face coloring）是从G的面集合到某个给定颜色集合的映射。进一步，如果图G的某个面染色的颜色集合中有k种颜色，那么称这个面染色为k-面染色（k-face coloring）。图G的k-面染色称为正常k-面染色（proper k-face coloring），如果具有公共边的面染不同颜色，此时称图G是k-面可染的（proper k-face colorable）。四色定理的内容如下：每个无割边的平面图都是4-面可染的。 Mathematics ＞组合数学、组合设计与图论＞图论＞释义 four-color theorem四色定理 four-color theorem四色定理
随便看	National Post National Postal Museum national prejudice national preparedness guidelines national primary frequency standard national primary measurement standard in chemistry national primary pressure standard national primary scale topographic maps national primary standard for acidity (pH) national primary standard for combustion heat national primary standard for electrolytic conductivity national primary standard for humidity national primary standard for primary chemical purity national primary standard for viscosity national primary standard of measurement National Professional Standards for Sports Broker National Program for Acquisitions and Cataloging National Program for Agricultual Development,1956-1967 (Draft) National Programme for Protection of Wild Fauna and Flora and Development of Nature Reserves National Programme of China on Gradual Elimination Ozone Layer-Depleting Substances National Progressive Unionist Grouping Party National Project of Coastal Environment Investigation and Assessment,908 Project National Protection War national prototype of the kilogram national prototype of the kilogram for checking

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