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完美图定理
释义
完美图定理
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perfect graph theorem
完美图定理
如果一个图的每个导出子图的色数与这个导出子图的团数相等，那么这个图被称为完美图。人们熟知的很多图类都是完美图，如空图、二部图、二部图的线图、区间图、弦图、阀图以及它们的补图等。简单图的补图是指和具有相同顶点集的简单图，两个顶点在中相邻当且仅当它们在中不相邻。完美图定理又称弱完美图定理（weak perfect graph theorem）。
Mathematics
＞组合数学、组合设计与图论＞图论＞释义
perfect graph theorem
完美图定理
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