1) fractional chromatic number
分式色数
1.
The circular chromatic number and the fractional chromatic number are two generalizations of the ordinary chromatic number of a graph.
圆色数和分式色数是图的点色数的两个推广 。
2.
Using the method of number theory,we redetermine the circular chromatic number χ_c(D) and fractional chromatic number χ_f(D) of the distance graph G(Z,D),where D={a,b,a+b,2(a+b)} is a special 4-elements distance set.
利用数论的方法,重新确定了距离图G(Z,D)的圆色数cχ(D)和分式色数fχ(D),其中D={a,b,a+b,2(a+b)}是一个特殊的四元素距离集。
2) fractional chromatic number
分数色数
1.
Girth and fractional chromatic number of seriel parallel graphs;
系列平行图的围长和分数色数
2.
Girth and fractional chromatic number of outer planar graphs;
外平面图的围长和分数色数
3.
The fractional chromatic number of the distance graph G(Z,Dm,k,k+1,k+2,k+3)(where Dm,k,k+1,k+2,k+3={1,2,…,m}-{k,k+1,k+2,k+3}) and its chromatic number for some pairs of integers,when 2k≤m≤2k+5 were discussed.
主要讨论了距离图G(Z,Dm,k,k+1,k+2,k+3)(其中Dm,k,k+1,k+2,k+3={1,2,…,m}-{k,k+1,k+2,k+3})的分数色数,以及当2k≤m≤2k+5时G(Z,Dm,k,k+1,k+2,k+3)的色数。
3) color separation parameter
分色参数
4) fractional coloring
分数染色
1.
The Adjacent-Vertex Distinguishing Edge Coloring and the Fractional Coloring of Graphs;
图的邻点可区别的边染色和分数染色
2.
We preliminarily investigate some general rules of the fractional coloring of Cartesian product graphs,which are composed of Hamilton,2-partite,and Ga,b graph,etc.
文中通过讨论由Hamilton圈、二部图、Ga,b等图构造的Cartesian乘积图的分数染色,初步研究了Cartesian乘积图分数染色的一般规律。
3.
By constructing these cyclic graphs fractional colorings with the valve of that lower bound,the fractional chromatic numbers upper bound and the fractional chromatic numbers of these cyclic graphs are given.
通过构造几类图的最大独立集,给出了它们的分数染色数的下界;再通过构造具有该下界值的分数染色,给出了这几类循环图的分数染色数的上界,于是就确定了它们的分数染色数。
5) partition numbers of color classes
色划分数
6) Fractional coloring
分数着色
补充资料：色数儿
1.即色子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条