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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
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nontyphoid salmonella
non-unidirectional airflow cleanroom
nonuniform
nonuniform coding
non-uniform compact source
non-uniform computation
non-uniform construction
nonuniform continuity
nonuniform convergence
non-uniform electric field
nonuniform estimate
non-uniformity
non-uniform magnetic field
non-uniform memory access
non-uniform memory access, NUMA
non-uniform model
non-uniform polymer
nonuniform polymer
non-uniform rational B-spline
nonuniform rational B-spline curve
non-uniform rational Bspline curve and surface
nonuniform rational Bspline curve and surface
non-uniform rational B-spline, NURBS
non-uniform rational Bspline surface
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