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完美图定理
释义
完美图定理
Encyclopedia
理学
次模函数
释
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
随便看
rock mass stability
rock mass strength
rock mass strength experiment
rock mass structure cybernetics
rock mass support and reinforcement theory
rock mechanics
rock mechanics experiment
rock mechanics experiments
rock moisture content experiment
rockoon
rockoon sounding
rock ore appraisal sampling
rock/ore radioactivity
Rockot launch vehicle
Rock Painting
Rock Painting of Tibet
rock paintings in Alxa League
rock paintings in Chifeng City
rock paintings in Dengkou County
rock paintings in the Baicha River basin
rock paintings in the depopulated zone of northern Tibet
rock permeability
rock permeability coefficient
rock permeability experiment
rock physical and mechanical properties
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