查询词典 graph coloring

In the same way, a Four-coloring of a maximal planar graph of 25 order G(subscript M25), is obtained with "simplified method of reduction of order".

利用"简化降阶法"对一个一定拓扑结构的12阶最大平面图G(下标 M12)进行着色，得到G(下标 M12)的四色着色方案；以同样的方法对一个一定拓扑结构的25阶最大平面图G(下标 M25)进行着色，得到了G(下标 M25)的四色着色方案。

Its SuperGraph technology architecture provides the following features: 3D visualizations, 3D modifications, plugin support, support for clusters and navigation, automatic graph drawing, automatic clustering of graphs, automatic selection of elements, and automatic coloring of elements according to a metric.

它的SuperGraph技术体系提供了下列功能：3D可视化，3D修改，插件支持，支持群集和导航，自动图像绘制，自动图像群集，自动选择元素，以及根据一个尺度自动为元素上色。

The tree T=is a bichromatic tree subgraph in a maximal plannar graph G, in which the subgraph induced by V_t is a tree and T is a component of some bichromatic subgraph Gij of some 4-coloring of G.

极大平面图G=中的一个二色树子图T=，其Vt在G中导出子图为树，并且图G存在至少一个四着色C，使T是该四着色一个二色子图的一个连通支。

A graph G is called*-choosable if for every list assignment L satisfying L=k for all v 6 V, there is an L-coloring of G such that each vertex of G has at most d neighbors colored with the same color as itself.

若对任一顶点给定k种颜色的列表，染色时每个顶点的颜色只能从自身的颜色列表中选择且每个顶点至多有d个邻点染相同的颜色，总存在图G的一个顶点的正常着色，则图G称为~*-可选色的。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。