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double chromatic number 双约束边色数
Vince is a natural generalization of chromatic number. Vince定义的星着色数推广了一般的着色数的定义 .
It is not easy to see that there are triangle-free graphs of large chromatic number. 很不容易看出这里是否存在色数很大而没有三角形的图。
The concept of the relaxed game chromatic number of graphs was introduced by Chou, Wang and Zhu in [21]. 一个图的松弛竞赛色数是由周，王，朱在[21]中提出的，并且它在图论中是极其有意义的。
The adjacent vertex-distinguishing total chromatic number of Subdivision of Fn,Wn,Km,n was got in this paper. 对扇,轮,完全二部图作了简单的剖分,得到了它们的剖分图,并得到了其剖分图的邻点可区别全色数
This paper discusses the upper chromatic number of the Cartesian product of co-hypergraphs. 讨论反超图的笛卡儿积的着色理论,求出了满足一定条件的反超图的笛卡儿积的上色数。
The coloring problems are often discussed in many papers. Many papers are concerned with finding algorithms to reduce the chromatic number of graphs. 著色问题在许多论文中常被探讨，而这些论文最主要是找到好的演算法，来降低图形的最小著色数。
The total chromatic number of a kind of graph have been got in this article.is a star and is a complete equal 2-partite graph. 作者单位：兰州交通大学;兰州交通大学86信箱甘肃兰州;西北第二民族学院信息与计算科学系宁夏银川;86信箱甘肃兰州
The circular chromatic number of a graph is a natural generalization of the chromatic number of a graph introduced by Vince in 1988 under the name " the star chromatic number " . 一个图G的圆色数x_c(G)是图G的色数x(G)的自然推广,最初是由Vince于1988年以“星色数”的定义提出来的。
The game chromatic number of a graph was introduced by Bodlaender[1] Recently, Chou, Wang and Zhu put forward a new concept-the relaxed game chromatic number of graph in [2]. 一个图的竞赛色数是由Bodlaender[1]首次提出的。最近，周，王，朱在文献[2]中提出了松弛竞赛色数的概念，此概念在图论中占有很重要的地位。
The problem about the minimum number of edges is discussed and an upper bound of the minimum number of edges of 3-unifomi C-hypergraphs with upper chromatic number 2 is given. 摘要讨论了3一致C超图的最小边数问题，给出了上色数为2的3一致C超图的最小边数的一个上界。
The company now has five multi-color intaglio printing machine and a hot transfer printed cloth production lines, printing chromatic number to seven-color maximum. 公司目前拥有五台多色凹版印刷机和一条热转移印布生产线，印刷色数最大可至七色。
The collection of relevant materials helps to get some relevant knowledge.The theoretical knowledge of Chromatic number is put into practice on the foundation of this method. 有关资料的收集，帮助获得了一些相关的知识.;在此方法的基础上将色数的有关理论知识应用到实际生活中去
We shall present some of the basic properties of the vertex and edge chromatic numbers. 我们将介绍顶点色数和边色数的一些基本性质。
In this paper we characterize completely the entire chromatic numbers of all outerplane graphs with maximum degree 4. 完全刻划了所有最大度为4的外平面图的完备色数。
A dynamic coloring of a graph is a new concept which is introduced by Bruce Montgomery in 2001.This paper proves that the dynamic chromatic number of Halin graphs and Series-Parallel which is not 5-cycle is not more than four. 图的动态着色是BruceMontgomery于2001年引入的一个新概念。本文分别证明了Halin图和非5圈的Series Parallel图的动态色数都不超过4。
The star chromatic number x*(G) of a graph G(sometimes it is also called circular chromatic number Xc(G)) is a natural generation of the chromatic number x(G) of a graph. It was first defined by Vince in [1]. 图G的星色数x~*(G)(亦称圈色数);是G的色数x(G)的一个自然推广;它最早由Vince在文献[1]中提出.
The concept of half-star chromatic number is given by studying a singal assignment problem with constraint conditions,and the optimal assignment problem of singal is also solved in this paper. 通过研究带限制的信号分配问题定义了半星色数,并最终解决了手机信号的最优分配问题,找到了半星色数与色数、星色数的密切关系。
He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
I do not realize it is a double feature. 我原先不知道这是双片连映。